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pcp 3.9.10
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pcp-3.9.10 (5 September 2014)
    - Support for native systemd service files for daemons
    - Support for nanosecond resolution event timestamps
    - Changes to the FreeBSD build to bring it up to date
    - libpcp: reduce daemon memory usage with secure sockets
    - libpcp: add auto-deflate support for xz compression
    - pmie/pmlogger scripts: xz compression support enabled
    - pmie/pmlogger scripts: lzo compression support added
    - pmlogconf: fix slow pmlogger_daily remote host startup
    - pmcd_wait: fixed to handle af_unix sockets correctly
    - pmatop: fix help keys
    - pmatop: parse standard pcp options (including archives)
    - pmstore: support for local-context mode of operation
    - pmdiff: additional reporting options, added to /usr/bin
    - pmdiff: fix column layout with custom precision setting
    - pmlogsummary: fix time window reporting with -S and -T
    - pmdapapi: new agent for PAPI hardware event counters
    - pmdagfs2: latency metrics for glock grant/demote/queue
    - pmdamysql: change metric semantics for "uptime"
    - pmdaxfs: fix DSO mode and allow test data injection
    - pmdammv: long option support
    - docs: numerous updates to the online documentation
    - docs: added a quick reference guide for Red Hat users

pcp-3.9.9 (13 August 2014)
    - sar2pcp: support for systat version 10.2.0
    - pmiostat(1): new monitor tool with iostat-alike output
    - pcp-dmcache(1): new monitor tool for dm-cache devices
    - pmdalinux: disk.dm.* metric hierarchiy (device mapper)
    - pmdalinux: refine device mapper naming for old platforms
    - pmdalinux: allow controlled data injection for QA tests
    - pmdadmcache: new agent for device mapper cache targets
    - pmdainfiniband: correctly initialise switch metrics
    - libpcp: global timeout option for service discovery
    - libpcp: __pmDiscoverServicesWithOptions() improvements
    - libpcp: grok '%<interface' for link-local ipv6 addresses
    - libpcp: derived metrics support for new rate() keyword
    - python api: many convenience class module extensions
    - python api: timeval accessor helper interfaces
    - python api: pmUnitStr now uses thread-safe version
    - python api: pmNumberStr_r now available from python
    - python api: fix derived metrics interface exceptions
    - pmlogconf: mark some log-default metrics as log-once
    - dbpmda: use the correct (blocking) socket API variants
    - pmlogger_daily: fix $PCP_RUN_DIR creation checks

pcp-3.9.8 (16 July 2014)
    - Add overlooked Debian packaging metadata updates.

pcp-3.9.7 (16 July 2014)
    - pmie: "ruleset" extensions to the pmie(1) language
    - pmdaproc: additional memory and new blkio cgroup metrics
    - pmdanvidia: new Nvidia GPU PMDA using NVML interfaces
    - pmdainfiniband: add switch counter metrics
    - pmdalustrecomm: bug fixes in the lnet memory metrics
    - pmdamemcache: fixed underlying socket code
    - pmdalinux: mem.util.available for down-rev kernels
    - pmdagfs2: several fixes and improvements in behaviour
    - pmdas: support for long form command line options
      (aix, jbd2, linux, lustre, mounts, processes, sample,
      sendmail, txmon, xfs)
    - libpcp: 'timeout' option for 'probe' service discovery
    - libpcp: secure sockets timeout handling improvements
    - pmie examples: updates to the pmie tutorial docs
    - pmchart: new MemAvailable view for mem.util.available
    - porting: additional GNU/Hurd port updates
    - packaging: fix Makepkgs script for old tar versions
    - packaging: fix rpm builds for rpm versions prior to 4.6
    - libpcp: use minimum required stack for discovery threads
    - libpcp: archive folio parsing in option handling code
    - python APIs: archive folio parsing for recording tools
    - man pages: updates to service discovery APIs and tools
    - libpcp: archive interpolation thread safety improvements
    - libpcp: fixed memory leak from pmDestroyContext(3)

pcp-3.9.6 (19 June 2014)
    - Fix pthreads build fallout for Solaris platforms
    - Remove accidental /var/run/pcp install on Debian
    - Rename configure.in to configure.ac as autoconf prefers

pcp-3.9.5 (18 June 2014)
    - porting work on the GNU/Hurd platform
    - porting work on Windows (early MinGW-64 work)
    - pmdalinux: add in the new mem.util.available metric
    - pmchart: new vCPU view, resolve guest time reporting
    - pmwebd: add CORS "Access-Control-Allow-Origin: *" to
      JSON response headers
    - pmatop: improvements to value fitting
    - packaging: gui debuginfo/testsuite correctly replaced
    - pmconfig: moved install location for Solaris conflict
    - pmstat: fix hostname reporting when in cluster mode
    - Coverity scan fixes in libpcp, python, and elsewhere
    - packaging: pcp-doc now contains all of the tutorial bits
    - python: timeval/metricspec error handling improvements
    - pmatop: handle curses problems more gracefully
    - pmdapostfix: run as postfix user, not the pcp user
    - python: fix pmParseInterval failure segfault
    - python: fix segfault when printing empty units
    - libpcp: functions for collecting server port numbers
    - pmcd.services metric reflecting PCP daemon usage
    - libpcp, pmfind: active service probing
    - pmproxy, pmwebd: support for service discovery
    - pmcollectl, pmatop: improved log writing support
    - pmie: long option support
    - pmquery: neater output formatting
    - pmchart, pmtime: long option support
    - pmdasystemd: install the built binary
    - python: significant work on the pcp.pmcc module, adding
      long option support, scale conversion, an initial fetch
      loop method, and entirely new convenience classes
    - pmlogcheck: fix bad memory access sigsegv on some logs
    - Fix infinite loop in build scripts without Qt enabled
    - pmdalinux: add metrics from /proc/net/netstat
    - pmdumptext: long option support
    - pmcollectl: support for sub-second sampling intervals
    - Revive support for RHEL5-era builds, post pcp-gui merge

pcp-3.9.4 (15 May 2014)
    - pmlogger: improved archive I/O features, esp for access to
      archives while they are actively being written
    - pmlogger/pmlc: all flushing operations are now no-ops, but
      they remain available for backward compatibility
    - pcp-free: use pmConvScale in case metric units ever change
    - pmlogmv: fix a couple of argument handling corner cases
    - another round of IPv6 updates throughout PCP, making use
      of __pm* networking APIs instead of e.g. gethostbyname.
    - archive utilities updated for long option support:
      pmdumplog, pmlogcheck, pmlogextract, pmlogger, pmloglabel,
      pmlogreduce, pmlogrewrite and pmlogsummary
    - PMDAs with long option support:
      pmdaapache, pmdabash, pmdagfs2, pmdasample, pmdasimple,
      pmdatrivial
    - libpcp: allow addition of free-form text to usage messages
    - pmgetopt: new cross-platform long option handling utility,
      allowing pcp shell scripts to acquire long option support
    - shell scripts updated to support long options:
      pcp, pmie2col, pmie_check, pmie_daily, pmlogger_check,
      pmlogger_daily, pmlogger_merge, pmlogmv, pmnewlog, pmwtf,
      pmsignal, pmlogconf
    - pmlogger: improve pmlc access controls
    - man pages: more detailed pmlc/pmlogger access control docs
    - pmda systemd: adopt slow-start capability
    - pcp command: improved error handling
    - pmcollectl: correct reporting of disk and network details
    - merged pcp-gui source tree (back) into pcp

pcp-3.9.2 (15 April 2014)
    - python api: direct support for creating derived metrics
    - python api: fix C strings memory leak in pmExtractValue
    - python api: fix pmConvScale parameterization
    - python api: pmLookupName API mode allowing partial failure
    - python api: improvements to the pmErr exceptions class
    - python api: support auto-command-line-parsing in scripts
    - python api: switch to thread-safe pmGetContextHostname
    - pcp: support for scripted pcp(1) child commands, adding in
      pcp-free(1), pcp-uptime(1) and pcp-numastat(1) to get the
      ball rolling (python scripts)
    - pmlogmv: new utility to atomically move/rename archives
    - pmconfig: improvements to quoting for unusual versions
    - pmdaproc.sh: allow Install/Remove from any directory
    - libpcp: pmgetopt_r interface for use by collector tools
    - libpcp_pmda: slow-start PMDA changes
    - libpcp_pmda: fix a memory leak dealing in dynamic metrics,
      with PMDAs using the optional hashed metric table method.
    - libpcp_pmda: long option command line processing interface
    - libpcp_pmda: handle POSIXLY_CORRECT arguments internally
    - pmcd: remove POSIXLY_CORRECT env modifications
    - dbpmda: remove POSIXLY_CORRECT env modifications
    - pmlogger_check: add a no-merging-renaming-rewriting option
    - pmlogger_daily: don't merge archives if it is not needed
      (optimization)
    - perl pmda api: add documentation for PCP::PMDA interfaces
    - pmdalinux: fix a memory leak in cpu:node name resolution
    - pmmgr: fix daemon invocation quirk for some sh variants
    - pmdarpm: improvements to concurrent rpmdb access
    - pmdarpm: rpm.size metric now 64bit, matching rpmdb changes
    - pmdaproc.sh: add $perl_args and $python_args
    - long command line options support:
      pmdamailq, pmns utilities, newhelp, pmcd, pmcd_wait, pmcpp,
      pmdate, pmdbg, pmerr, pmhostname, pmieconf, collectl2pcp,
      pmlc, pmmgr, pmproxy, pmwebd.
    - Makepkgs changes to support source tarball builds via git
    - HACKING file added, describing PCP development methodology

pcp-3.9.1 (19 March 2014)
    - libpcp: extended date parsing with GNU getdate(3) strings
    - libpcp: APIs for tools to share command-line options code
    - libpcp: thread-safe API variant for pmGetContexHostName()
    - libpcp: fix local:/unix: bug in __pmUnparseHostSpec
    - Begin adding long option support to tools (pminfo, pmval,
      pmprobe, pmstore, pmstat, pmclient so far)
    - Fix python module bug for PMDAs without instance domains
    - pmmgr: -march=i386 build fix
    - pmlogger_daily: fix problem with pmproxy connections
    - pmdagfs2: miscellaneous updates
    - pmdanfsclient: new PMDA exporting NFS client metrics
    - pmdazswap: new PMDA exporting compressed swap metrics
    - testsuite: porting, several new tests, updates to existing
      tests, resolved a couple of SELinux related problems
    - Series of portability changes for *BSD platforms

pcp-3.9.0 (19 February 2014)
    - Packaging changes for multilib pcp-libs{-devel},pcp-conf
    - Packaging changes for pcp-manager and pcp-webapi split
    - pmmgr: signal-response improvements
    - pmmgr: add pmlogmerge-granular mode
    - pmmgr: pmlogrewrite support
    - pmmgr: latency-based tie-break for multi-URL target pmcds
    - pmmgr.1 man page: outline archiving strategy tradeoffs
    - pmdalinux: s390x platform issues in /proc/cpuinfo parser
    - pmdalinux: valgrind fix for /proc/stat parser
    - pmdagluster: improvements to multiple volume handling
    - pmdagluster: support for additional file operations
    - pmlogextract: <mark> record handling fix
    - pmdas: further robustness improvements to dynamic names
    - pmdas: Install scripts can run even when pmcd is stopped
    - pmdanfsclient: add source code (not yet enabled in build),
      thanks to Ben Myers
    - pcp-archive.5 man page: new, documents on-disk log format
    - pmdammv: fix sigsegv when no MMV tempdir is present
    - pmclient: updated to match the Programmers Guide examples
    - pmapi.py: fix python interface to pmLocaltime and pmCtime
    - debian: use autotools-dev to update config.{sub,guess},
      thanks to Logan Rosen
    - pmdumplog: add a -x option for extended timestamp reports
    - pmie: fix count_* operators with dynamic instance domains
    - pmie: fix fetch logic with dynamic instance domains
    - testsuite: ensure pcpqa account creation does not warn
    - testsuite: numerous new tests, updates to existing tests

pcp-3.8.12 (29 January 2014)
    - Fix recent (3.8.10) regression for certain platforms where
      important PMNS files ended up not being installed.  Impact
      is on new installs only, not upgrades (so my QA missed it).
    - pmmgr: add -l (logfile) option to fix a permissions issue.
    - pmdalinux: fix sigsegv on certain ICMP procfs file lines.
    - Further improvements to pmlogger internal data structures
      dealing with configuration files with duplicate metrics
      and/or instances - improved in terms of network fetching,
      as well as on-disk data layout (all backwards compatible).
    - pmdarpm: added cumulative rpm.total.{count,bytes} metrics.
    - Add man pages for all of the PMDAs currently missing one.

pcp-3.8.10 (15 January 2014)
    - Adds pmmgr(1) PCP daemon manager - a cunning new (opt-in)
      approach to managing farms of pmlogger and pmie processes.
    - Adds pmfind(1) utility for discovering advertised pmcd
      services (initially) on the network.
    - Adds a new pmDiscoverServices(3) PMAPI routine.
    - Linux pmda: plug memory leak in /proc/interrupts parsing.
    - systemd pmda: add sd_journal_process() to avoid inotify()
      driven spinning
    - Man page rework for some NAME entries, addressing SGI oss
      bugzilla #972)
    - Add notes for creating user pcp before make from source,
      addressing SGI oss bugzilla #1040)
    - Improve behavior related to Avahi service name collisions.
    - Dodge another hostname-does-not-resolve bullet in pmlogger.
    - Fix the configure check for RHEL5 rpmlib for pmdarpm.
    - An extensive series of spelling fixes to man pages, thanks
      to Michele Baldessari
    - Small fixes here and there from Coverity static analysis.
    - GFS2 pmda: add the complete set of GFS2 tracepoint metrics.
    - RPM pmda: make instance names unique, add rpm.name metric.
    - RPM pmda: reduce number of inotify events and rpmdb scans.
    - Add some heuristics to reduce metric duplication from tasks
      formed via pmlogger configuration file blocks.

pcp-3.8.9 (12 December 2013)
    - Fix pmdalinux stack blowout during ioctl() for network
      interfaces.
    - Add a generic string cache concept for PMDAs to use when
      needing to perform string value de-duplication.
    - Add a PMDA for the RPM Package Manager exporting package
      metadata and state.
    - Fix bug in pmlogextract handling time windows and metrics
      with dynamic indoms.
    - Allow the host part of the host spec to be enclosed with
      square brackets - needed for IPv6 addresses in order to
      separate the address from the port.
    - Fix an Avahi and pmcd conflict when using multiple ports.
    - Introduce shared library symbol versioning and hidden
      attributes for all PCP libraries.
    - Reduce internal API/ABI leakage in libpcp with respect to
      endian code, locking code, and derived metrics.
    - Bring the Solaris port back up to date with latest source.
    - Tag temporary files created by qa tests with test prefix.
    - Split PCP_TMP_DIR setting into its two distinct use-cases
      removing the need to install world-writable-sticky-bit-set
      directories.
    - Add /proc/cpuinfo flags and cache_alignement fields (x86).
    - Improvements to the hinv.cpu.model metric value we export.
    - Ensure pmcpp does not accidentally #include directories.
    - Better cleanup of uncompressed temporary files in libpcp.
    - Correct pmdasystemd fd_set usage.
    - Gracefully handle missing python curses module scenario.
    - Improvements to pmstat error handling.
    - Update pmcds config file parser - cleaner quotes handling.
    - pcp.sh - change formatting for pmie and pmlogger details.
    - Unknown Host fixups in libpcp __pmHostEnt code.
    - Add a security philosophy section to PCPIntro(1) man page.
    - Dodge wchan in Linux proc PMDA if procfs file not found.
    - Add network.interface.hw_addr metric (exported from sysfs)
    - Remove a nowadays-empty config directory from installation
    - Resolve rpm upgrade warning from missing .NeedRebuild file
    - Add pmdaproc option to skip access checking, for secure /
      isolated environments.
    - Make NSS use a stronger default cipher suite.

pcp-3.8.8 (3 November 2013)
    - Dodge Debian build issues related to kfreebsd sys/sdt.h.

pcp-3.8.7 (3 November 2013)
    - Resolve Debian build issues related to pkg-config/Avahi.

pcp-3.8.6 (1 November 2013)
    - Added a new Linux JDB2 PMDA (ext3, ext4, ocfs journals).
    - Added Linux kernel PMDA mem.util.directMap1G metric.
    - Rework previous fix for Debian kfreebsd port wrt probes.
    - Further work on Coverity scan issues, again nothing big.
    - Further work on removing the hostname-as-DNS-entity, add
      more use of pmGetContextHostName, more default-to-local:
      tools.
    - Initial support for DNS-SD via Avahi in pmcd for service
      discovery.
    - Change pcpqa to default to $PCP_VAR_DIR/testsuite as its
      home directory.

pcp-3.8.5 (18 October 2013)
    - Add jsdemos for the web API into the source tarball.
    - Resolve Fedora/EPEL build issue for Infiniband PMDA.
    - Resolve Debian build issue for kfreebsd probes.h
    - Remove hostname checks in pmie/pmlogger script PID search.
    - Much work on QA.  Zero test failures on release for RHEL6,
      and there was much rejoicing.
    - Many Coverity scan issues resolved, nothing major though.
    - Ensure MMV PMDA entry exists in default pmcd.conf once more.
    - Add Linux disk.partitions metrics to the default logged set.
    - New hinv.nlv (logical volume count) metric into Linux PMDA.
    - Update pmevent to use local: as the default mechanism.
    - Numerous updates to the GFS2 PMDA.
    - Reinstate a pmcd sigsegv fix, lost in an earlier merge.
    - Fix handling multiple concurrent clients in pmdasystemd.
    - Fix memory leak in pmNewContext failure path seen via pmie.
    - Make default crontab install cooperate with runlevel settings.
    - Add a privacy-protecting pmdasystemd uid/gid-filtering mode.
    - Functional network.interface speed/duplex metrics on older
      kernels (2.6.32 vintage and earlier, for example).
    - Support for IPv6 address and scope metrics (ifconfig-style)
    - Numerous updates to the pmatop utility.
    - Updates to the PCPIntro(1) manual page.
    - Improvements to the Linux per-process metrics values for any
      threads being reported.
    - Options for restricting Linux pmdaproc to a named cgroup.
    - Update pmlogger to default to local: connection mode.
    - Allow opt-out with the default-enabled xfs and proc PMDAs.
    - Resolve a pmcollectl divide-by-zero (python stack trace).
    - Fix recursive expansion of child cgroups in Linux pmdaproc.
    - Fix a pmie core dump with archives, interp and mark records.
    - Reduce memory footprint of Linux per-process metrics.
    - Add proc.psinfo metrics for cgroups and security labels.
    - Use local: connection by default in pmatop and pmcollectl.
    - Update the python API wrapper to default to local: connection.
    - Improvements to pmcollectl host name handling.
    - pmGetContextHostName return to static char[] return value.

pcp-3.8.4 (15 September 2013)
    - Allow numerous of the pmlogconf/tools templates to be probed
      and enabled.  These are Linux tools, so we probe for (remote
      possibly) Linux hosts only for these.
    - Numerous QA test updates, resolving small amounts of fallout
      from the previous release reported by Red Hat QE folks.
    - Updates to the Samba PMDA.
    - Improvements to the Debian build - remove Infiniband deps as
      we're not attempting to build that anymore there (evidently,
      poor cross platform support?  Can revisit if anyone needs it).
    - Remove Debian dependence on deprecated sysv rc package.
    - Resolve Debian packaging override disparities.

pcp-3.8.3 (9 September 2013)
    - Split the XFS and XFS quota metrics into a separate PMDA
    - Optional hash-based metric table lookups for PMDAs
    - pmdagfs2: updates
    - pmlogrewrite: add support for indom replication
    - pmatop: Decrease screen real estate used for display.
    - Fix the pmdabash shell version support validation code
    - Add gluster PMDA into the build, really this time
    - Add hinv.nnode metric to pmdalinux, mirroring the IRIX metric
    - Add an option allowing custom pmcd.hostname settings
    - Implement host access checking for unix domain sockets.
    - Man page updates, esp. to pmcd.1 re access controls.
    - Add static probe support for pmcd probes (systemtap/dtrace)
    - Change pmGetContextHostName to be pmcd.hostname aware and thus
      able to report the correct remote hostname through a tunnel.
    - Update numerous tools to use pmGetContextHostName now.
    - Demonstration programs for the MMV API
    - Add pmdasystemd journal event count and total bytes metrics
    - Use -fPIC over -fpic, resolving build issues on some platforms.
    - Ensure Perl refcount bumped on PMDA.pm pmdacache stored variables
    - Fix pmie/pmlogger control scripts - bad pmproxy handling
    - Add a mechanism for packaging to avoid chown use, for Debian.

pcp-3.8.2 (31 July 2013)
    - Support for the Unix domain socket transport between pmcd
      and client tools, using the "unix:" host specifier (and the
      more forgiving "local:" which falls back to localhost if no
      platform support exists).
    - Note: PCP_RUN_DIR is as a result now installed owned by the
      "pcp" user and group (rather than as "root").  Several other
      directories are also now installed "pcp"-owned too, after
      (unrelated) pmie and changes described below.
    - Support for automatic extraction of client tool credentials
      with Unix domain sockets, and transfer to interested PMDAs,
      on Linux, Mac OS X and Solaris.  IOWs, PMDAs now know which
      user they are acting on behalf of for each connection, when
      this class of socket is used.  In a future release, it hoped
      to make this the default local connection style.
    - Extensions to pmdaproc to allow it to perform access-control
      checking and metric value fetches as the user requesting the
      data, instead of as root, such that kernel-based permission
      checking is now performed.
    - Re-enabled pmdaproc by default on Linux.
    - pmdagfs2: updates to metrics, tests and a new manual page.
    - pmdagfs2: fixes for distributions without gfs2 trace-points.
    - pmdalinux: fix hinv.map.lvname realink memory corruption bug.
    - pmdalinux: fix issue where EPERM passed out as a fetch result
      with inaccessible filesystem paths.
    - pmdalinux: rework /proc/net/snmp metric extraction, added new
      metrics from recent kernels (checksum error counters, icmpmsg).
    - Linux PMDA SNMP metric type migration support (log rewriter).
    - pmdasystemd: correct .maxmem metric to PM_SPACE_BYTE
    - pmdasystemd: limit number of journald entries consumed per poll
    - pmdamysql: additional status metrics suitable for pmie rules.
    - pmdamysql: correct units and type for active connection count
    - MySQL PMDA metric migration support (log rewriting rules).
    - pmdagluster: new PMDA exporting gluster filesystem metrics,
      in particular fs operation latency and brick throughput data.
    - Fixes to the python pmda interface code to allow old python
      versions as well.
    - Extensions to python pmda interface to allow pmdaCache(3) use.
    - pmwebapi: support more general pcp hostname specs, and
      HTTP Basic authentication.
    - Throttle the size of the pmatop hardware component display.
    - Fix pmgui.py on big endian platforms (affects pmcollectl).
    - Further progress on the log checking tool, pmlogcheck.
    - Generate default pmlogger and pmie daemon configuration files.
    - Migrated all static pmlogger configs over to pmlogconf format.
    - Added pmlogconf config files for metrics used by iostat, ip,
      mpstat, sar, vmstat.
    - Install cisco PMDA pmieconf rules into the correct location.
    - Install default crontab entries for pmlogger and pmie checking
      and daily archive maintenance, on Linux, running as user "pcp"
      now (previously, "root").
    - pmlogconf scripts: added in automatic NFSv4 logging.
    - pmlogger scripts: better locking between check and daily
    - pmlogger control: add -r, -T and increase timeouts by default.
    - Start a working primary pmlogger with a useful and extensible
      set of metrics after enabling the service.
    - Start a working pmie with a useful and extensible set of rules
      after enabling the service.
    - Assigned new PANASAS and NVML PMDA domain numbers.
    - pmlogextract: fix minor bug for empty instance domains
    - Resolve issue where clients get sigsegv from bad -h options.
    - Updated pmwtf man page - better explanation for -q option
    - Massive, massive QA efforts, much better support for non-x86.
    - iostat2pcp - timestamp rework for European datetime formats.
    - Fixed debian bugs related to broken library symlink.
    - Ensure permissions on the NOTICES file allow pcp uid/gid access.
    - Major updates to the SASL code allowing remote authentication
      and improvements to username/password interaction process.
    - Fix SASL related memory leaks, sort out authname mapping.
    - Ensure SASL errors are easily identifiable as such (pmErrStr_r)
    - User and groups access control list support in pmcd, augmenting
      the existing host-based access control list support.
    - Fix tempfile leak in pmdaproc.sh from accidental $tmp override.
    - Improve the PCP experience with older versions of NSS (<=RHEL5)
    - Introduce pmcd self-callstack-tracing capability for the Linux,
      FreeBSD, and MacOSX platforms (maybe others, via backtrace(3)).

pcp-3.8.1 (19 June 2013)
    - Add support for PMDAs written in python via pcp.pmda package.
    - Example implementation of pmdasimple using python.
    - Added new proc.{memory.vmswap,psinfo.threads} metrics.
    - New collectl2pcp utility and sub-package (deb/rpm) for
      converting historical data collected with collectl into the
      PCP archive format for replay and analysis with PCP tools.
    - Add missing help text for some Linux kernel hinv.map metrics
    - Added new hinv.map.lvname metric for reverse mapping logical
      device mapper names to physical device names.
    - Added new hinv.ninterface metric (pmdalinux and collectl2pcp)
    - Fixes to pmcollectl handling of PCP logs in archive mode.
    - Allow pmcollectl metrics to be sourced from a remote host.
    - Additional gfs2 metrics and tests, thanks to Paul Evans from
      the gfs2 development team at Red Hat.  This makes use of the
      gfs2 kernel glock event tracing to track hot locks, and also
      provides a storable mechanism for enabling/disabling tracing
      on-the-fly.
    - Updated access control section of pmcd.1 with IPv6 details.
    - Improve archive integrity checking from libpcp_import, ensure
      monotonic increasing timestamps presented for single archive.
    - Improvements to the log import perl API allowing for batched
      updates (out-of-order), thanks to Marko Myllynen.
    - Removed a low limit in the libpcp_import auto-PMID generation
      scheme, now allowing millions of metrics instead of hundreds.
    - Promote pmlogger and pmlogextract into the default PATH, with
      backward-compatibility preserving symlinks in PCP_BINADM_DIR.
    - Support for IPv6 socket communication in libpcp_pmda for pmcd
      PMDA communication.
    - Support for IPv6 socket communication testing via dbpmda.
    - Update man pages to reflect IPv6 support in libpcp_pmda.
    - Other improvements to the socket-based PMDA mechanisms.
    - Fix a 64bit big-endian host issue in systemd.maxmem metric
    - Mac OS X packaging tweaks.

pcp-3.8.0 (14 May 2013)
    - Added the nginx PMDA, thanks to Ryan Doyle.
    - Fixed memory leak on an error path in profile PDU decoder.
    - Added pmwebd(1) - a JSON-based bridge providing web tools
      with access to the PMAPI (both pmcd and archives) via HTTP.
    - Initial support for client authentication via opt-in protocol
      extensions, host specification extension, communication to
      PMDAs via version 6 of the agent interface, dbpmda support.
      Uses SASL2 as the underlying technology (which provides for
      plugin-based extension to many authentication mechanisms).
    - Reworked many aspects of the python APIs - now a pcp package
      with sub-modules, improved error handling, and much more.
    - Work toward pylint(1)-clean python code throughout PCP.
    - Added a new python module for MMV instrumentation.
    - Initial work on a python module for writing PMDAs.
    - Added a new python module abstracting commonly needed metric
      Subsystems, shared by pmatop(1) and pmcollectl(1).
    - Added new python client tool - pmatop(1) - implementing much
      of the reporting functionality of atop (www.atoptool.nl).
    - Additional checks added to metric names allowed into the PCP
      Log Import library to match the PMNS man page requirements.
    - Support for parallel make invocations.
    - Improvements to the secure server code to make it work better
      and on more platforms.
    - Improvements to the IPv6 and IPv4 access control wildcards.
    - Migrate man pages from man4 to man5.
    - Resolve Fedora bug where the log import API was found to be
      allowing invalid metric names to be created.

pcp-3.7.2 (19 April 2013)
    - Improved pmie propagation of metadata units.
    - Extra pmlogger diagnostic when log cannot be created.
    - Fix Debian python build dependencies.
    - Avoid mis-sharing outbound pmcd connections if ports do not
      match (libpcp).
    - IPv6 presence now checked at run-time as well (pmconfig).
    - Packaging updates - tarball, slackware, gentoo.
    - Add several missing man page options, typos and such, found
      by Red Hat (internal?) checker tools.
    - Added pmwtf.1 man page.
    - Make pmdaapache observe a connect timeout as well as its
      existing request timeout.
    - Extend pmcd access control with a global wildcard for IPv6.
    - Make __pmSockAddrIsLoopBack handle IPv6 loopback address.
    - Resolve bug in too-small pduread recv causing communication
      failures with secure sockets, but in theory affecting other
      socket transports as well.
    - Resolve Debian packaging and build dependency issue.
    - Resolve Fedora bug where pmstat fails to start when pmcd has
      never been started (so namespace rebuild script not yet run).

pcp-3.7.1 (20 March 2013)
    - IPv6 addresses and wild cards for host access control.
    - Add packaging scripts to correctly transition active temp
      file directories from their old locations.
    - Resolve a warning from rpm %pre script on new installs.
    - Convert pmhostname(1) to use the newer networking APIs.
    - Convert pmproxy(1) to use the newer networking APIs.
    - Correct the pmlogger heuristics for determining whether it
      is running as a daemon for *both* pmlogger_{daily,check}.
    - Add script to handle the tmpdir transition such that folks
      with running parfait/mmv-instrumented applications continue
      to see data exported, and for correct pmlogger/pmie daemon
      tracking across releases.
    - Fix "Warning: __pmConnectRestoreFlags: cannot restore flags"
      messages when built with secure-sockets option disabled.

pcp-3.7.0 (11 March 2013)
    - Added hash table iterator interfaces to libpcp.
    - Added PCP_SYSCONF_DIR, migrated daemon configuration there.
    - Fix Linux swap metrics problems, thanks to Martins Innus.
    - Support for IPv6 and revamped networking (libpcp-internal)
      APIs, in particular making proper use of getaddrinfo now.
    - Initial version of the NetBSD port
    - Secure connections are now available as described here:
      performancecopilot.org/pcp-gui.git/man/html/lab.secure.html
    - Added a PCP_USER setting for globally changing the default
      unprivileged user account used by PCP daemons.
    - Resolved Debian packaging issues from previous release to
      do with the pcp-python subpackage.
    - Improve pmdaapache fetch implementation (reduced overhead)
    - Close up a file descriptor leak on a pmdaapache error path,
      thanks to Ryan Doyle.
    - Added the gfs2 PMDA.
    - Added the systemd PMDA.
    - Alignment issues on ia64 resolved.
    - Create pmlogger and pmie logdirs during install.
    - Added -L option to pmconfig(1) for reporting libpcp options.
    - Further workarounds for sar/sadf XML exporting problems.
    - Updates to MinGW PCP builds for native PCP on Windows.
    - Use initgroups() to correctly set up supplementary groups in
      PCP daemons that are changing user/group from root/root.
    - Fix memory leak on scandir failure in several PMDAs.
    - Correctly install the pcp user/group during Mac OS X upgrade
    - Allow pmdalogger to be installed on multiple platforms
    - Series of updates to pmie to improve action %h, %v and %i
      substitutions (amongst other pmie improvements and several
      corner-case fixes)
    - MySQL PMDA now re-connects after a database server re-start.
    - Workaround versioning issues between python and rpmbuild.
    - Ensure HZ is initialised in Linux proc PMDA, fixing a small
      regression from the earlier proc/linux PMDA split.
    - Fix -p option to pcp(1) command reporting pmie instances.
    - Add one-line help for the proc metrics that did not have it.
    - Change primary pmlogger control from symlink to link.
    - Add an interface allowing PMAPI clients to explicitly cleanup
      (which allows for improved accuracy in valgrind reporting).
    - Fix race conditions in pmie and pmlogger startup scripts.
    - Updates to the named (name server) PMDA.
    - Change __pmSetProcessIdentity to fail more resoundingly.
    - Fix issues with pmdashping timeouts observed on multi-core
      x86_64 machines related to signals interacting with pthreads.
    - Move debian tmpdir settings to match other distros.

pcp-3.6.10 (19 November 2012)
    - Transition daemons to run under an unprivileged account.
    - Fixes for security advisory CVE-2012-5530: tmpfile flaws.
    - Fix pcp(1) command short-form pmlogger reporting.
    - Fix pmdalogger error handling for directory files.
    - Fix pmstat handling of odd corner case in CPU metrics.
    - Correct the python ctype used for pmAtomValue 32bit ints.
    - Add missing RPM spec dependency for python-ctypes.
    - Corrections to pmdamysql metrics units.
    - Add pmdamysql slave status metrics.
    - Improve pmcollectl error messages.
    - Parameterize pmcollectl CPU counts in interrupt subsys.
    - Fix generic RPM packaging for powerpc builds.
    - Fix python API use of reentrant libpcp string routines.
    - Python code backporting for RHEL5 in qa and pmcollectl.
    - Fix edge cases in capturing interrupt error counts.

pcp-3.6.9 (12 October 2012)
    - Python wrapper for the pmimport API
    - Make sar2pcp work with the sysstat versions from RHEL5,
      RHEL6, and all recent Fedora versions (which is almost
      all current versions of sysstat verified).
    - Added a number of additional metrics into the importer
      for people starting to use it to analyse sar data from
      real customer incidents.
    - Rework use of C99 "restrict" keyword in pmdalogger
      (Debian bug: 689552)
    - Alot of work on the PCP QA suite, special thanks to Tomas
      Dohnalek for all his efforts there.
    - Win32 build updates
    - Add "raw" disk active metrics so that existing tools like
      iostat can be emulated
    - Allow sar2pcp to accept XML input directly (.xml suffix),
      allowing it to not have to run on the same platform as the
      sadc/sadf that originally generated it.
    - Add PMI error codes into the PCP::LogImport perl module.
    - Fix a typo in pmiUnits man page synopsis section
    - Resolve pmdalinux ordering issue in NUMA/CPU indom setup
      (Redhat bug: 858384)
    - Remove unused pmcollectl imports (Redhat bug: 863210)
    - Allow event traces to be used in libpcp interpolate mode

pcp-3.6.8 (14 September 2012)
    - Corrects the disk/partition identification for the MMC
      driver, which makes disk indom handling correct on the
      Raspberry Pi (http://www.raspberrypi.org/)
    - Several minor/basic fixes for pmdaoracle.
    - Improve pmcollectl compatibility.
    - Make a few clarifications to pmcollectl.1.
    - Improve python API test coverage.
    - Numerous updates to the test suite in general.
    - Allow pmda Install scripts to specify own dso name again.
    - Reconcile spec file differences between PCP flavours.
    - Fix handling of multiple contexts with a remote namespace.
    - Core socket interface abstractions to support NSS (later).
    - Fix man page SYNOPSIS section for pmUnpackEventRecords.
    - Add --disable-shared build option for static builds.

pcp-3.6.6 (28 August 2012)
    - Added the python PMAPI bindings and an initial python client
      in pmcollectl.  Separate, new package exists for python libs
      for those platforms that split out packages (rpm, deb).
    - Added a pcp-testsuite package for those platforms that might
      want this (rpm, deb again, mainly)
    - Re-introduced the pcp/qa subdirectory in pcp and deprecated
      the external pcpqa git tree.
    - Fix potential buffer overflow in pmlogger host name handling.
    - Reworked the configure --prefix handling to be more like the
      rest of the open source world.
    - Ensure the __pmDecodeText ident parameter is always set
      Resolves Red Hat bugzilla bug #841306.

pcp-3.6.5 (16 August 2012)
    - Fixes for security advisory CVE-2012-3418
	o Add field validation to PCP instance PDU (Red Hat #841240)
	o Fix __pmDecodeInstanceReq heap buffer overflow (Red Hat #841284)
	o Fix __pmDecodeText heap overflow (Red Hat #841249)
	o Multiple issues in result PDU decoding (Red Hat #841159)
	o Fix __pmDecodeNameReq buffer overflow (Red Hat #841180)
	o Add length checks to __pmDecodeLogControl (Red Hat #841290)
	o Add size check to __pmDecodeIDList (Red Hat #841112)
	o Fix __pmDecodeNameList buffer overflow (Red Hat #840920)
	o Add missing __pmDecodeFetch namelen checks (Red Hat #841183)
	o Add length checks to __pmDecodeProfile (Red Hat #841126)
	o Add length checks to __pmDecodeCreds (Red Hat #840822)
    - Workaround for security advisory CVE-2012-3419
	o Split the Linux kernel and proc PMDAs to prevent information
	  leakage in default installs - esp. /proc/pid/maps exposure,
	  but other proc metrics as well - and no longer export process
	  metrics by default (Red Hat #841702)
    - Fixes for security advisory CVE-2012-3420
	o Memory leak in pmcd DoFetch error path (Red Hat #841298)
	o Memory leak in __pmGetPDU in-band signalling (Red Hat #841319)
    - Fixes for security advisory CVE-2012-3421
	o Resolve event-driven programming flaw in pmcd (Red Hat #841706)
    - Correct buffer unpinning logic in a PMNS traversal error path
	o Red Hat bugzilla bug #847314.
    - All of the above issues were identified by Florian Weimer of the
      Red Hat Security Team, who also assisted extensively in fixing
      and testing; a huge thank you to Florian from all PCP developers
      and users!
    - Add modern gcc/glibc security protection mechanisms where
      available.  Thanks to the Frank Eigler.
    - Harden all boundary checking in the remaining PDU decoders.
    - Resolve an issue with configure script checking for the init(1)
      process on Fedora 17 (and other systems using systemd).  Thanks
      to Lukas Berk.
    - pmdaelasticsearch only reports on nodes in the cluster now,
      and not other client nodes.  Thanks to Nigel Donaldson.
    - Added interfaces to PCP::PMDA Perl module to allow PMDAs to
      use a hash instance domain (instead of int/string array).
      These make use of the pmdaCacheOp(3) interfaces - the hash
      keys are the (external) PCP instance names, and the value
      associated with each key is an opaque reference.
    - Added an interface to allow PMDAs to register event queues
      with existing clients (pmdaEventNewActiveQueue).
    - Initial version of the (experimental) bash tracing PMDA.

pcp-3.6.4 (12 June 2012)
    - Fix build on s390x platform (thanks to Dan Horak)
    - Rethink order of PATH setting for pcp start scripts, to ensure
      binaries from other packages with names that conflict with pcp
      binaries are not found ahead of the same-named pcp binary.

pcp-3.6.3 (27 April 2012)
    - Revert initial attempt at getting configure --prefix option to
      make sense for local developer PCP installations
    - Fix RPM changelog typo in in-tree spec file
    - Further work on Debian/kFreeBSD port (thanks to Robert Millan)

pcp-3.6.2 (18 April 2012)
    - Fix Debian builds on FreeBSD (missing header files)
    - Resolve Debian startup script (compat) lintian issue
    - Resolve FreeBSD kernel PMDA build issue with PCP not installed
      in the build root already.

pcp-3.6.1 (12 April 2012)
    - Resolve final Mac OS X pthreads build issues
    - Debian packaging improvements for split pmlogger/pmcd scripts,
      perl module pieces, and other lintian reported issues
    - Update the startup script dependencies for /var use
    - Support --prefix=... and --exec-prefix=... configure options
    - Relaxed the "are you running as root?" test in startup scripts
    - Win32 build updates and improvements
    - Cache /proc/stat file handle in Linux kernel agent to reduce
      syscalls on the most commonly fetched metric subtree

pcp-3.6.0 (21 March 2012)
    - Thread-safe libpcp, including additional re-entrant and thread-safe
      variants for some routines
    - Retire all asynchronous routines from libpcp
    - Retire all V1 protocols and services (archive format, PMAPI and
      PMDA_INTERFACE)
    - PMNS moves to ASCII only (no binary PMNS)
    - Rework "init" scripts, splitting pcp into pmcd and pmlogger
    - Update elasticsearch PMDA to 0.19+, new transport and shard metrics
    - Updates to PMDA new event queueing interfaces for agents wishing to
      export that class of performance data.
    - First round of Coverity cleanup fixes incorporated.
    - Initial version of the SNMP PMDA, thanks to Hamish Coleman.
    - Updates to postgres PMDA to export additional recovery metrics.

pcp-3.5.11 (01 December 2011)
    - Update FSF contact address in copyright notices to keep
      rpmlint happy.
    - Fix instance domain checks in elasticsearch PMDA.
    - Make KVM PMDA to run as root once more (permissions issues).
    - Integration of pmlogger_daily with pmlogrewrite.
    - Fix pmlogger_merge corner case for empty archives.

pcp-3.5.10 (04 November 2011)
    - Support new 0.18+ elasticsearch metrics.
    - Fix handling of elasticsearch version metric cluster.
    - Fix trace PMDA build issues.
    - Fix some Win32 build issues.
    - Run with reduced privileges for more of the perl PMDAs.
    - Name Solaris load average metric consistently.
    - Small metric documentation tweaks for Solaris PMDA.

pcp-3.5.9 (23 October 2011)
    - Add rc script support for condrestart, and condrestart the pcp,
      pmie and pmproxy services after an RPM install or upgrade.
    - Fix a bug where hinv.ndisk is incorrect if CLUSTER_PARTITIONS
      hasn't yet been refreshed immediately following a restart.
    - Implementation of client event queueing logic for all PMDAs to
      share (all PMDAs wishing to support event metrics, that is).
    - New manual pages for new PMDA event queueing interfaces.
    - PostgreSQL PMDA, supporting versions 9.0 and 9.1 (at least).
    - Reserved ID 111 for Samba Clustered Trivial Database PMDA.
    - Add perl interface to allow PMDAs to drop priveleges
    - Add an elasticsearch version metric.
    - Correct perl module type detection logic for 32/64-bit systems.
    - Small pmlogconf source and man page fixes.
    - Rework flex usage to resolve build warnings.
    - Make Darwin CPU metrics 64 bit.
    - Add (long) opaque key support to libpcp_pmda.
    - Add pmdaCacheStoreInst() routine to libpcp_pmda.
    - Added mssql PMDA for SQL server Dynamic Management View stats.
    - Add pmlogrewrite(1) to rewrite archives (fix inconsistencies).
    - Fix a cgroup option parsing error on consecutive fetch calls.

pcp-3.5.8 (08 August 2011)
    - Rework rsyslog PMDA to remove Switch use, very odd behaviour
      observed on RHEL5.2 (mysteriously failing to compile).
    - Add in Kens scripting defenses against dodgey toolchains.

pcp-3.5.7 (05 August 2011)
    - Fix build issue on SLES11 SP1 IA64 systems.
    - Improved rsyslog PMDA handling of queue metrics.
    - Add open file-descriptor count metric to the Linux PMDA.
    - Implement logger PMDA line-oriented event mode.
    - Add regular expression based event filtering in logger PMDA.
    - The default pmcd.conf now has an access control section, and
      all remote store operations are blocked by default.
    - Improve packaging of Perl components.

pcp-3.5.6 (21 July 2011)
    - Fix warning from pmie_daily with some /bin/pwd versions.
    - Numerous Debian packaging updates for lintian cleanliness.
    - Fixed typos in several man pages.
    - Added ElasticSearch PMDA.
    - Fix build on RHEL4 with older sys/queue.h variant.

pcp-3.5.5 (6 July 2011)
    - Resolve Debian packaging issues preventing new uploads.
    - Fix warnings from pmie_check with some /bin/pwd versions.

pcp-3.5.4 (6 July 2011)
    - Fix warnings from pmlogger_check with some /bin/pwd versions.

pcp-3.5.3 (6 July 2011)
    - Remove reliance on a cpp binary being installed locally with
      new pmcpp applicaton.
    - Ensure compressed pmie log files are also cleaned up daily.
    - Extend the event store mechanism to be more generally useful.
    - Add memory limiting functionality to pmdalogger.
    - Add SQLServer metric for user settable queries.
    - Fix potential sigsegv in pmprobe fetching multiple live values.
    - Perl changes for Solaris.
    - Fix Fedora15 build relating to handling of systemd.
    - Solaris pmda zpool_vdev_name() api change.
    - Update sar2pcp for sysstat version 9.1.7.
    - Resolve realloc issue in event metric handling in libpcp_pmda.

pcp-3.5.2 (3 June 2011)
    - pmlogreduce - fix 2 problems (memory leak, additional mark records)
    - Initial version of pmdalogger, from David Smith, a log monitoring
      PMDA exporting event metrics.
    - Make Windows drive instance domain code less chatty.
    - RC scripts and pmie_check - Mac OS X porting
    - pmlogger_check - symbolic link issue fixed
    - Add in the rsyslog PMDA (http://www.rsyslog.com)
    - Extend PCP::PMDA so that the log tail mode can be used on named papes.
    - Numerous updates to the Perl packaging infrastructure
    - Fix build when $HOME is not set.
    - pmlogconf - another non-posix awk issue fixed
    - Darwin pmda - filesys.maxfiles metric
    - pmie_daily - assorted minor fixups
    - Unix domain socket issue found on Mac OS X
    - pmcd config parsing error handling cleanup
    - Quieten pmevent output in the absence of new events.
    - Pass process ID out on success of __pmProcessCreate.
    - pmdaproc.sh - add PMDA_INTERFACE_5 support
    - pcp_completion.sh - add pmevent for bash metic completion
    - pmevent - add instance domain support
    - Bugfix: fetching hinv.cpu.* aborts if cpu indom is not initialized
    - Rearrange the per-CPU intr metrics on Linux to use dynamic namespace
    - Add perl modules into Mac OS X installations
    - Additional vmstat metrics added to Linux kernel PMDA
    - Fix pmieconf after syscall metrics went away on Linux
    - pmevent - new util to report event records, with instance domain support
    - sample PMDA - instance domain for event records metric
    - pmval, pminfo - man page typo corrections
    - pmval - fix typo in error message
    - pmlogextract, pmlogreduce - auto volume switch at 2^31 bytes
    - pmnscomp - defaults to Version 2 of the compiled PMNS
    - Remove unconditional diagnostic in MMV agent, log spam
    - Rework the code that uncompresses archives for Win32
    - Updates to Win32 makefiles to get a clean package build
    - Enable compressed log processing for Windows as well
    - Sample event consumer code for Windows ETW
    - Update PDH Win32 headers to use those from current mingw-m64 tree
    - Win32 socket error messages are reporting correctly
    - Great strides in getting error reporting correct on Windows
    - Add Win32 pthread wrapper for threading work on Windows
    - Add PowerDNS recursor stats to the pdns PMDA

pcp-3.5.0 (31 January 2011)
    - Infrastucture support for doing distributed event tracing with PCP.
      This includes a new metric type (PM_TYPE_EVENT), cunning mechanisms
      for encoding event records in pmResults, and providing PMDAs with
      per-client context connection information allowing agents to track
      which clients have seen which parts of a trace stream so far.  Some
      reference uses of these extensions can be seen in pmdasample and in
      the pmcd PMDA as well.
    - Transparent support for archive de-compression by clients.
    - Manual page formatting errors corrected.
    - Fix a pmDupContext memory corruption issue seen with derived metrics.
    - Added a one-trip optimisation/guard to pcp.env
    - Improved pmdaFetch and pmdaFetchCallback man pages with respect to
      return codes and value memory allocation models.
    - Fix for Windows unintentionally allowing multiple pmcd processes
      to startup and bind to the same port, with "undefined" results.
    - Fix Windows services interaction, preventing pmcd service stop.
    - Fix Mac OS X scandir memory leak on empty directories.
    - Fix Mac OS X mem.util.wired metric, was exporting the wrong value.
    - Correct the handling of SLES11 distro identification (lsb-release
      file not used again, on SuSE Linux distributions).
    - Fix postfix PMDA log file path handling for Redhat Linux distros.
    - Extend Perl PMDA interfaces to allow additional metrics to be
      added at runtime (now makes use of dynamic namespace support).
    - Set KEEPALIVE option on pmproxy client sockets, mirroring pmcd
      behaviour and reducing open file descriptor pressure.
    - Improvements to the native Windows version of pmlogger, preventing
      it from exiting prematurely thanks to a socket read race condition.
    - Fix /proc/interrupts parser in Linux PMDA, thanks to Arthur Kepner.

pcp-3.4.1 (9 October 2010)
    - Remove bogus (expected) errors/warnings from Win32 install/remove.
    - Remove couple of no longer needed local Win32 API wrappers.
    - Fix rindex code for Win32 so it handles empty strings.

pcp-3.4.0 (29 September 2010)
    - Add new libpcp_import C API library to pcp-libs.
    - Add perl-PCP-LogImport RPM sub-package for libpcp_import perl binding.
    - Add pcp-import-* RPM sub-packages containing front-end tools for
      importing data from sar, iostat, generic speadsheets and mrtg.
    - Major Solaris PMDA updates: CPUs, vnode ops, disk stats and disk queue
      stats, switch to using pmid clusters, internal timers, ZFS Adjustable
      Replacement Cache stats, new help text, memory metrics, fsflush stats.
    - Use Solaris devinfo to get information about pretty disk names.
    - Fix a memory leak in Perl PMDA wrapper string handling.
    - Use correct structure to extrace zpool write counters in Solaris PMDA.
    - pmafm now supports multiple -a arguments.
    - Fix pmie multiple -a options bug.
    - Fix pmdaInit() callback handling where it did not handle all the
      interface versions correctly.
    - Quote filenames reported by pmwtf, else awk can get confused.
    - Fix pmdawindows missing metrics help text.
    - Add network interface speed metrics into pmdawindows.
    - Fix pmdalinux handling of long network interface names.
    - Updated pmdaapache to use cross-platform http library.
    - Updated pmdaapache install process to allow port selection.

pcp-3.3.3 (16 July 2010)
    - Fix two off-by-one errors in NUMA metrics in Linux PMDA.
    - Rework timezone environment variable handling to be able to
      coexist more peacefully with Perl.
    - Remove Fedora specfile now that this is in Fedora CVS.

pcp-3.3.2 (10 July 2010)
    - Fix FreeBSD build and packaging issues affecting Debian.
    - Move PCP::Glider Perl code into core PCP with other Perl modules.
    - Avoid a mingw64-compiler-runtime bug in gettimeofday.
    - Fix spec file issue in Fedora/RHEL builds.
    - Add in the gpsd PMDA.

pcp-3.3.1 (29 June 2010)
    - Fix a sigsegv in pmdalinux in the kernel.pernode.cpu metrics.
    - Don't kill dbpmda if namespace cannot be loaded.
    - Resolve a Windows build error under latest toolchain.
    - Some minor pmieconf and pmimport related cleanups.

pcp-3.3.0 (25 June 2010)
    - Rework pmlogconf utility - version 2.0 ondisk format.
    - Initial support for Linux kernel cgroup subsystem, using dynamic
      metrics (cpu sets, cpu sched, cpu acct, memory, ...)
    - Fix per-process I/O (proc.io.*) metric values.
    - Fix potential SEGV in derived metrics when pmcd connection lost.
    - Fix to allow pmlogger to log derived metrics.
    - Fix open file descriptor leak in Linux disk scheduler code.
    - Postfix PMDA updated to report aggregate stats from mail.log parsing.
    - Add per-node CPU metrics to Linux kernel agent.
    - Integrate pmieconf into the build, modernisation and porting work.
    - Add install-sh to the set of pcp-internal programs for external code.
    - Improved checking of PMDA domain numbers.
    - Allow use of SunStudio compiler on Solaris.
    - Add load average metrics to Solaris kernel agent.
    - Windows 7 porting work.
    - Make Win32 build work with more recent versions of gcc and Perl.
    - Fix pmie [no]match_inst botch, tweak sleepTight reporting.
    - Allow \$ for pmie regular expressions.
    - Ensure pmlogger doesn't write extended pmcd host syntax as hostname.
    - Switch over to not using local context for bash completion.
    - Improve Lustre agent metric help text.
    - Added a readonly filesystems metric into Linux kernel agent.
    - Ensure xfs.buffer metrics are always properly refreshed.
    - Add Linux kernel statistics related to XFS btree operations.

pcp-3.2.1 (3 May 2010)
    - Export information about ZFS snapshots
    - Correct accounting of PMNS size in a libpcp_pmda helper routine.

pcp-3.2.0 (29 April 2010)
    - Change how PM_CONTEXT_LOCAL determines available PMDAs:
      rework local context code to retire $PMDA_LOCAL_*, build DSO table
      from pmcd.conf at run-time, new __pmLocalPMDA and __pmSpecLocalPMDA
      routines in libpcp, -K options for pminfo, pmval and pmprobe.
    - Make some pmda dynamic name operations take (const char *) args.
    - Fix bash completion so dynamic names expanded, and stderr culled
      (culling DSO agent initialisation messages).
    - Improve pmlogger handling of alias names (same PMID, different names).
    - Honour the -T command line option in pmlogreduce.
    - Resolve an MMV issue evident in the Mac OS X installer, which resulted
      in failed dmg (binary) installation attempts.
    - Solaris startup script improvements.
    - Add details of the extended hostname syntax to pcpintro(1).
    - Fix a memory leak in pmdawindows help text handling.
    - Fix a memory leak in pmdammv help text handling.
    - Add anonymous huge page Linux memory utilisation metric.
    - Fix local context reporting of help text.
    - Solaris man page build changes.
    - Clean up diagnostic messages in pmlogextract.
    - Teach pmdaproc about Solaris' ping.
    - If pmstat fails to connect to local pmcd, fallback to local context.
    - Mark as const the final (requested units) pmConvScale argument
    - Clean out SGI-isms from build related files (no longer used by SGI).
    - Fix mem.numa.util.NFS_Unstable metric.
    - Removed pmdajstat, this has long been superceded by the capabilities
      of the Parfait package for instrumenting Java applications with PCP.

pcp-3.1.2 (22 March 2010)
    - Add indom save and restore logic into Windows PMDA.
    - Fix a typo in the Postfix PMDA.
    - Update and extend /proc/meminfo stats on Linux.
    - Improve handling of monitored process in pmdammv, especially
      when the monitored process exits (pmns not cleaned up before).

pcp-3.1.1 (23 February 2010)
    - Use a better MMV generation number, using all bits available.
    - Fix a metric count calculation error in pmdammv.
    - Add precision argument (-p) to pmwtf.
    - Added an open socket sockname command to dbpmda.
    - Remove use of grep -q, unavailable on OpenSolaris.
    - Couple of trivial build fixes for the Win32 platform.

pcp-3.1.0 (28 January 2010)
    - Derived metric support.
    - Fix a memory leak in the Solaris kernel PMDA.
    - Extract information about network links on Solaris.
    - MMV PMDA (DSO) is now installed and enabled by default.
    - Reintroduced MMV support for cross-(mmap-)file instances.
    - Bug fix in pmdammv which was capable of causing SIGSEGV.
    - Add dbpmda readline support (and packaging dependencies).
    - Add in -Z option to pmwtf, to pass through to pmlogsummary.
    - Export NUMA memory statistics from the linux kernel.
    - Make pmie_check work on Solaris.
    - Make perdisk stats part of the zpool hierarchy.
    - dbpmda fix for name lookup and dynamic metrics.
    - Add a new PMDA exporting the Postfix queue lengths.
    - BuildRequires initscripts for %{_vendor} == redhat.

pcp-3.0.2 (2 December 2009)
    - Improvements and fixes to PCP::PMDA perl module.
    - Added the SQL Server dtsrun log file parser PMDA.
    - Switch MMV PMDA to use dynamic namespace interfaces, which resolves
      long-standing spurious EAGAIN error on reconfiguration.
    - Separate out the Infiniband and cluster PMDAs into their own
      package - removing dependencies and configure complexities from
      pcp into specialised, layered packages.
    - Configure packaging to use libexecdir for private pcp binaries,
      if supported on the platform (also honour --libexecdir configure flag)
    - Add sysfs.kernel metrics cluster to Linux PMDA.

pcp-3.0.1 (19 October 2009)
    - Reverted rc scripts default start/stop settings back to how
      it was in 2.9.3-1, for Debian bug #544350. On Red Hat platforms,
      the RPM spec overrides this to be chkconfig off by default.
    - Lexical analyser tweaks (various tools) to work on Windows.
    - pmlogextract change timezone selection algorithm, add -f for old behaviour
    - configure.in clean up more thoroughly on Mac OS X
    - Get pcp building on Debian GNU/kFreeBSD port.
    - Add missing return statement causing incorrect mem.util on Win32.
    - Improved support for Slackware distro makepkg packaging
    - Solaris fixes: pass information about compiler into Perl PMDA makefiles,
      don't change pointer types of pmCtime's arguments, deal with default lex
    - Move Infiniband and Cluster PMDAs to a stand-alone packages
    - Trim the set of RPM files marked as %config to just those
      that are actually likely to be edited (rpm -qlcv pcp pcp-libs).

pcp-3.0.0 (9 October 2009)
    - PMDA_INTERFACE_4 and the support of dynamic subtrees of the PMNS
      where the PMDA (not PMCD) maintains knowledge of the PMNS.
    - RPM packaging split into pcp, pcp-libs and pcp-libs-devel
      pcp-libs is common - it's required by pcp and by pcp-libs-devel but
      pcp and pcp-libs-devel can be installed with or without each other.
    - Added separate specific licenses for the new subpackages,
      particularly pcp-libs, which is LGPL.
    - Added ldconfig %post and %postun scriptlets for -libs
    - Don't explicitly require Infiniband libs, since they're libs and RPM
      figures it out
    - No need to explicitly BuildRequire gcc-c++ libstdc++-devel
    - Add BuildRequires on perl-ExtUtils-MakeMaker
    - Remove explicit ia64 Requires: libunwind
    - Preserve generated gram.tab.c in several places since debuginfo needs it
    - Create %{_localstatedir}/run/pcp and ship it (so it'll be removed)
    - Use %doc in spec for CHANGELOG COPYING INSTALL README VERSION.pcp pcp.lsm
    - Tweak configure to move PCP_BINADM_DIR out of /usr/share, into /usr/lib.
      Arch dependent binaries should not be installed below /usr/share.
    - Delete unneeded "explicit script interpreter" in several places
      to keep rpmlint happy
    - Remove setuid from pmpost, not needed (and not in debian either)
    - Nuke the migrate_pcp_var_dir, script and it's %post scriptlet
    - Default "chkconfig off" for all PCP services (retain settings on upgrade)
    - Clean-up and simplify the %post scriptlets (rather dramatically)
    - Don't ship static libraries in Fedora, we have the debug package for that
    - Install .NeedRebuild, add to %files and remove crud from %post scriptlets
    - Added %changelog in RPM spec and moved %files to end before %changelog
    - Move demos, examples and demo PMDAS to the libs-devel package since they
      are not used for production (but are useful for devel and needed for QA).
    - Don't install trace demo binaries since src is installed anyway
    - Reconciled build/rpm/pcp.spec.in with build/rpm/pcp_fedora.spec
    - Integrated RPM packaging support for perl-PCP-PMDA and perl-PCP-MMV
      (but perl-PCP-Logsummary is not currently shipped in RPM packages)
    - RPM build requires perl(ExtUtils::MakeMaker) rather than
      perl-extutils-makemaker (this is the standard notation)
    - For easier upgrades, the perl PMDAs only really require pcp >= package
      version (until we change or extend an API).
    - ReplacePmnsSubtree fix bad signal handling botch (affecting MMV PMDA)
    - Fix pmcd.timezone metric such that value updates on daylight savings
      (or other timezone) changes.
    - Initial packaging work for Slackware Linux, thanks to Roman Revyakin.

pcp-2.9.3 (23 September 2009)
    - configure.in fix for Windows iptypes.h header.
    - Fixup Windows SQL Server metrics on 64 bit platforms.

pcp-2.9.2 (7 September 2009)
    - Final iteration on pmval sample count changes.
    - Build fallout on Mac/Win32 in MMV client library.
    - Tidy configure.in sys/stat time field/types handling for Alpha builds.

pcp-2.9.1 (2 September 2009)
    - Fix a long-standing pmval sample count miscalculation.
    - Add missing runlevels and dependencies in start scripts.
    - Fix a segv observed in the Windows PMDA accessing SQL Server metrics.
    - Fix logic error causing wrong Windows version to be reported sometimes.
    - Add kernel.all.uptime to the Windows kernel agent.
    - Initial version of the (perl-based) Samba PMDA.
    - Fixes to pmdasimple.pl so it functions correctly on all platforms.
    - Add PCP::PMDA helper routines for determining native long sizes.
    - Extend MMV to allow teardown of MMV file, and set errno on failure.
    - Initial stable (1.00) version of MMV Perl interface.
    - Correct the metric units for several Windows per-process memory metrics.
    - Add network metrics to Solaris PMDA
    - Report ZFS statistics from Solaris PMDA
    - Export zpool stats from Solaris PMDA
    - Generate packages for Solaris
    - Allow user to choose her compiler (proper use of AC_PROG_CC)

pcp-2.9.0 (27 July 2009)
    - Fix Linux PMDA issue with -fstack-protector gcc option.
    - Get socket daemon PMDAs working with Win32 pmcd.
    - Bind 9.4 PMDA.
    - PowerDNS PMDA.
    - Fix atexit handling in the Perl PMDA module.
    - Fix a duplicate PMID in the MySQL PMDA.
    - Infiniband PMDA improvements and man page.
    - Minor packaging tweaks for rpm and deb formats.

pcp-2.8.12 (8 July 2009)
    - Bug fixes in Zimbra and MySQL PMDAs.
    - Fix memory leaks in the Perl PMDA interface.
    - Fix the Mac OS X pmdadarwin metric table direct mapping.

pcp-2.8.11 (6 July 2009)
    - Rework namespace file generation for Perl PMDAs.

pcp-2.8.10 (1 July 2009)
    - RPM packaging fixes for Perl modules.

pcp-2.8.9 (1 July 2009)
    - Remove Cygwin support, we're now committed to native Win32
      port - first production install yesterday, hooray!
    - Further Win32 work - wrapper batch files for shell scripts
      run as commands, moved daemon configs into $PCP_DIR/etc,
      bug fixes to process creation code.
    - Significant work on the MMV PMDA, including revamped API,
      Perl API, updated on-disk support with string values and
      help text support, amongst other changes.
    - Fix build of Perl PMDA module when PCP not installed.
    - Fix Zimbra PMDA status metrics.

pcp-2.8.8 (9 June 2009)
    - Added a Zimbra Collaboration Suite PMDA.
    - Build fixes for OpenSolaris.
    - Perl PMDA fixes in tail mode.
    - Correct physical memory reporting in Windows PMDA on 32 bit
      machines.
    - Other small tweaks and improvements to Windows PMDA also.

pcp-2.8.7 (29 May 2009)
    - Windows PMDA major rework to improve memory footprint.
    - Yet another Mac OS X build issue resolution.

pcp-2.8.6 (26 May 2009)
    - Fix build on Mac OS X after lex warning cleanups.
    - Fix pmdate build when PCP headers not in the root.
    - A single PMNS domain number file now used in-tree.
    - Added tmpfs filesystem metrics to Linux PMDA.

pcp-2.8.5 (21 May 2009)
    - Packaging tweaks for Debian (builddefs/rules moved).
    - Make timezone manipulation in Windows work (mimic MSYS).
    - Numerous warnings fixed.
    - Several changes to tempfile handling for Vista.
    - Make setting pcp_rc_dir in configure.in more robust.
    - Further pathname separator auditing for Windows.
    - Fixed a libpcp_gui linker issue on Mac OS X.

pcp-2.8.4 (12 May 2009)
    - Descend into src/bashrc.  D'oh!

pcp-2.8.3 (11 May 2009)
    - Bash auto-completion of metric names.
    - Fix a memory leak in xfs project quotas metrics.
    - Several Win32 fixes for Windows Server 2008.
    - Add Linux per-CPU and aggregate "guest" CPU utilisation metrics.
    - Add a pmlogsummary option to report a "header" line (-H).
    - Add optional pmstat support for time control via pmtime.
    - Add pmcd.client.* metrics for identifying connected clients.

pcp-2.8.2 (24 April 2009)
    - Fix pmie bug in the handling of && and || operators.
    - Improve daily pmie/pmlogger script behaviour.

pcp-2.8.1 (19 April 2009)
    - Fix build issue with libpcp_mmv - would not build-from-source
      if <pcp/pmapi.h> was not in the root filesystem.
    - Finer control of pmie2col(1) reporting precision.

pcp-2.8.0 (9 April 2009)
    - Linux netfilter (IP connection tracking) PMDA included
    - Memory Mapped Value (MMV) PMDA and client library included
    - Linux bonding (bonded network interface) PMDA included
    - Lustre PMDA included
    - Added pcp_gui library as pcpmon replacement, supporting the
      new (open source) version of pmtime for console tools.
    - Perl PCP::LogSummary module included.
    - KVM (Linux Kernel Virtualisation layer) PMDA
    - Infiniband PMDA included
    - VMware PMDA included
    - Perl PCP::PMDA module completed, stabilised and incorporated.
    - Default pmcd and pmproxy ports changed to IANA registered ones.
      ( The old behaviour - i.e. both original and IANA ports - is
      still available using PMCD_PORTS and PMPROXY_PORTS variables ).

pcp-2.7.7 (5 September 2008)
    - Infiniband metric enhancements
    - Handle missing "which" binary during rpm installation
    - Added new quota metrics (XFS project quota)
    - Aggregate and per-CPU hypervisor "steal" time metrics added
    - NFS v4 metrics
    - commitLimit meminfo metric added
    - Namespace locking fix in pmdaproc.sh
    - Additional Windows memory metrics
    - Several pmie fixes from Ken
    - Kens pmlogreduce archive corruption fix
    - Kens pmproxy PDU size fix
    - Nathan's pmlogsummary sum calulation fix
    - Added a (cheap) runnable processes metric.

pcp-2.7.4 (7 September 2007)
    - MaxOSX and Debian/Ubuntu build/package fixes
    - Add sqlserver active_transactions metrics to the Windows PMDA.
    - Fix a pmie_check typo causing mis-identification of pmie processes.
    - Allow pmie and/or operators to function with some data missing.
    - Resolve path naming issues with more recent versions of autoconf.
    - pmlogsummary report sum option
    - pmval kmtime support
    - Additional Linux SNMP metrics
    - Fix Linux vmstat nr_slab metrics
    - Make pcp status command report build version
    - Windows split_io metrics
    - Fix pmdapmcd empty pmie instance
    - pmdamailq filename regex
    - Windows TCP metrics
    - pmie log file rotation
    - Changed the default compression program to be bzip2(1)

pcp-2.7.3 (July 2007)
    - add network.ib.control to timeout infiniband stats workthread
    - add mem.util.anonpages 

pcp-2.7.2 (8 Jun 2007)
    - pcp doc updates
    - pmdalinux death from open file descriptors: pclose needed in network.ib
    - network.ib stats updated to cope with OFED 1.2 changes
    - some numa.link fixes for shub2 & NL4
    - Improve start/stop times of pmcd,pmlogger,pmie
    - create portable pmsleep (subsecond sleep) exe

pcp-2.7.0 (7 Feb 2007)
    This log has been allowed to lapse for some time. Blanket catch-up..
    the following PVs describe changes made in that time:
    - 947510 - UNIX95 patches break pcp tools
    - 948548 - [SUSE#182852] Buffer overflow in linux proc_pmda
    - 948551 - Update pcp configure and build infrastructure
    - 948799 - Move telnet-probe to oss part of pcp
    - 948958 - *nodeid conversions have inconsistent naming
    - 952623 - possible use-after-free of pmProfile objects used by pmda
    - 952932 - pcp-open RPM requires libpcp.so.2 but doesn't provide it
    - 953015 - Promote libpcp_pmc to DSO
    - 953301 - Update irix pcp bits
    - 953876 - Use swap.pagesin/pagesout instead of swap.in/.out in pmstat
    - 954035 - Update macosx build infrastructure
    - 954165 - pmdumptext reports wrong time with sub-second intervals
    - 954173 - pmReceiveNamesOfChildren returns bogus value
    - 954203 - pmnscomp generates bogus binary pmns files
    - 954342 - Add support for FreeBSD
    - 954343 - Update windows pmda
    - 954432 - Use a pidfile to stop pcp
    - 954652 - telnet-probe ate my arguments
    - 954842 - Update qa on sles10 for pcp 2.5 and 2.6
    - 956190 - add IB traffic stats to linux PMDA
    - 956199 - pmlogsummary double free causes graph failures
    - 957598 - add debuginfo to pcp-open build in mangrove
    - 957758 - valgrind finds "invalid read of size 8" etc in __pmStuffValue
    - 957884 - need network.ib.status for per-port IB status and description
    - 958273 - If OFED is installed but no ports are found, return PM_ERR_VALUE from refresh_ib
    - 958379 - IB PMDA broken (port num appearing twice in perfquery calls)
    - 958476 - path to pmie_check binary incorrect in pmie crontab config file

pcp-2.5.0-2 (15 Jan 2006)
    - 947602 - pmdas/aix/common.h is missing from the tarball

pcp-2.5.0-1 (ProPack4/SP3)
    - 942325 - bump to version 2.5.0-1
    - 936279 - pminfo -f hinv.machine gives 'linux'. Now scans for the
      SGI hardware IP number from /proc/sgi_prominfo/node0/version
      and exports that if found.
    - 936795 - tool to aid PMDA development, see genpmda(1)
    - 941663 - pmdaInstance broken for name == NULL and inst != PM_IN_NUL
    - 939448 - pcp rc script needs better handling of .NeedInstall
    - 857601 - pmview-args uses long lines in value/instance caches
    - 942030 - Improve efficiency of instance cache in libpcp_pmda

pcp-2.4.1-2 (ProPack4/SP2)
    - bug:928986 support slabinfo v2.1 and earlier for recent 2.6.11 kernels
    - bug:930708 fix linkstats bandwidth measurements (in pcp-sgi package)
    - rfe:924904 add fixed format support for numbers reported by pmval
    - bug:928021 correct handling of -S and -T options when resultant time
      window is empty
    - bug:929411 tighten integrity checking in libpcp routine
      pmGetArchiveEnd() to avoid possible segv
    - bug:930467 fix fd leak on error path in __pmLogFindLocalPorts()
      within libpcp
    - rfe:932180 document pmval -i option syntax
    - bug:925858 add disk.{dev,all}.{read_merges,write_merges}
    - bug:931699 added mem.util.other back in, see help text for details
    - bug:931698 added mem.util.cache_clean, see help text for details
    - bug:933668 support netif names longer than 6 characters 
    - bug:935490 fix pmcd exposure to attack from malformed PDUs
    - bug:924909 excise all usage of file(1) and reliance on its "magic"
      control file ... the old way cannot be made reliable in on all
      platforms
    - bug:929411 tighten tests for valid but truncated archives so
      pmGetArchiveEnd() no longer dumps core
    - add pmdumptext (and the metric class library libpcp_pmc) to
      the open source release
    - bug:935071 fix metrics broken by bug:925858, deprecate support
      for disk stats collected from /proc/stat (linux 2.2 kernels).
    - bug:934913 pmdumptext and libpcp_pmc migrated to open source
    - bug:934332 change save/free profile logic in __pmdaMainPDU() to
      avoid memory leaks
    - bug:934333 fix memory leak in __pmdaMainPDU() associated with
      instance names
    - bug:936975 merge pmcd.conf with pmcd.conf.rpm{new,old,save} so that
      foreign (non-pcp) PMDAs will continue to be configured correctly.
    - bug:937241 update toplevel GNUmakefile to work with modern autoconf.
    - bug:937243: tg3 pmda doesn't see unconfigured interfaces on sles9
    - bug:936506: added new cache functions to libpcp_pmda to make it
      much easier to implement persistent instance domains. Rolled from
      libpcp_pmda.so.2 to libpcp_pmda.so.3, retained symlink for v2.
      Converted proc_net_dev and proc_partitions in the linux PMDA to
      use the new pmdaCache functionality, see pmdacache(3).
    - refine pmcd's handling of SIGINT and SIGTERM to use sigaction() and
      try to report the details of the process terminating pmcd
    - added the summary PMDA to the open source distribution, to provide
      high-level summary of system activity for large machines or large
      clusters of machines.
    - bug:939275 pmstat output format does not scale for large systems
    - bug:939284 correct man page source and packaging to ensure all of
      the man pages are in the correct package, and will be correctly
      indexed once installed
    - bug:861705 add pmproxy to support pmcd protocol proxying for
      clusters with head nodes and for monitoring through a firewall
    - rfe:919678 added new tool (pmie2col) to convert pmie -v output
      into pretty multi-column format
    - bug:939467 pcp needs to explicitly provide libpcp_pmda.so.2
    - 940865 - network security probe crashes pmcd

pcp-2.4.0-7 (with ProPack4/SP0)
    - bug:919901 cisco PMDA confused by Description: line containing '>'
    - bug:920140 inapppropriate glob expansion of "disallow * : all;"
      in pmcd.conf after PCP upgrade from pcp-2.3.2 to version 2.4.0
    - bug:913157 "proc.runq.swapped shows 0 in this state" - updated help
      text for linux PMDA to indicate that kernel threads are not
      counted in the "swapped" tally.
    - bug:918205 fix build issues in SuSE, disallow install-sh ambiguity
    - bug:921103 correct build issues for SuSE
    - bug:923770 ProPack 4 pmieconf on Oct 22 image wont start
    - bug:923777 reconcile changes made to PCP in SLES9 by SuSE
    - bug:924714 remove disk.xvm metrics. Now handled by xvm PMDA.
    - bug:923732 added new mem.util metrics from /proc/meminfo for 2.6 kernels
    - bug:925627 instance domain for proc metrics now includes PNTL threads
    - bug:924909 excise all references to file(1) and the "magic" file
    - bug:925865 cleanup makefiles for more consistent modes and remove
      replicated or questionable directory creations
    - assorted rework to support SLES9 and RH Fedora Core 2 Linux
      distributions
    - clean up of Mac OS X port, including additional O/S metrics
    - bug:923773: new metrics mem.vmstat from /proc/vmstat for 2.6 kernels
      This also fixes swap.{pagesin,pagesout,in,out}, which have been
      deleted from /proc/stat
    - rfe:926192 add -u option for pmlogger(1) to force unbuffered writes
      (useful when applications monitoring a growing archive)
    - rfe:912895 Add pmlogreduce(1) to perform statistical reduction
      of PCP archives over the temporal domain by increasing the sample
      interval and greatly reducing the size of long-term archives

pcp-2.4.0-1 (5 Aug 2004)
    - Installation layout changed to conform to FHS on platforms
      where this is appropriate:
	    Old		New
	    /var/pcp	/var/lib/pcp
	    /usr/doc	/usr/share/doc/pcp
    - bug:916484: %post script to migrate /var/pcp to /var/lib/pcp
      and bump to PCP 2.4.0.
    - bug:916657 mem.util.* metrics were incorrectly exported when zero
    - add demo program procmemstat to report per-process memory usage
    - Add Mac OS X support - port libraries, collection and logging
      infrastructure, provide Mac OS X PMDA.  Target is Mac OS X 10.3.
    - Add Windows support - port libraries, collection and logging
      infrastructure, provide Windows PMDA using the PDH (Performance
      Data Helper) APIs.  Target is Windows 98 or later, but must have
      either Cygwin or SFU (aka Interix) run-time installation.
    - Enhance Solaris support - provide Solaris PMDA using the kstat()
      APIs. Target is SunOS 5.8.
    - Add AIX support - port libraries, collection and logging
      infrastructure, provide AIX PMDA using ther perfstat() APIs.
      Target is AIX 5.2.
    - rfe:916189 Improvements to archive interpolation diagnostics
      under -Dinterp
    - bug:916189 use snprintf in preference to sprintf to harden defences
      against possible buffer overrun issues
    - bug:918878 avoid using file(1) in pmafm and mkaf due to problems
      with "magic" extensions for PCP file typing on some platforms
    - Linux "rc" scripts enhanced to support both the SuSE and RedHat
      regimes
    - bug:916354 set SO_KEEPALIVE on the pmcd connection socket to stop fd
      leaks with noisy networks
    - bug:916189 Fix up handling of tty name (from command line) for
      roomtemp PMDA

pcp-2.3.2-13 (SGI Internal release)
    - fix bug 902034 for pcp-sgi proprietary package. Added topdisk,
      topsys and man pages. Fixed shubstats and enhanced pmshub.
    - support for 2.6 style /proc/diskstats
    - support 2.6 /proc/stat cpu stats, new metrics:
      kernel.percpu.cpu.{intr,wait.total}
    - bug #905010 some minor man page tweaking
    - bug 907846: pcp cpu.idle metrics wrap prematurely on 2.6 kernels
    - bug 907673: linux swap.{pagesin,pagesout} metrics are wrong
    - bug 909111 hinv.machine was wrong for Altix. Also, changed several
      hinv metrics from instant to discrete.  
    - bug 909141: /etc/init.d/pcp now supports "restart"
    - bug 911201: PCP network.udp statistics are incorrect
    - bug:912971: install rc script to /etc/init.d, works on both RH and SuSE
    - bug:912972: promote network.interface metrics to 64bit unsigned,
      detect and handle 32bit wraps
    - bug:914790 parameterize /var/pcp paths, use /var/lib/pcp by default
    - bug:914555: not all mem.util.* metrics available on all kernels
    - bug:904478: pcp slabinfo metrics broken for 2.6.x kernels

pcp-2.3.2-4 (6th October 2003)
    - fix - on SGI Altix systems, scan topology from /hw rather than /dev/hw
    - fix - bug #896808 kernel.{all,percpu}.cpu.idle is unsigned long and is
      hence exported as a 64bit ascii number in /proc/stat on 64bit kernels.
      Same fix for the per-process cpu metrics in /proc/*/stat affecting
      proc.psinfo.{utime,stime,cutime,cstime}
    - (proprietary) pcp-pro now obsoletes pcp-snia for the Altix platform
    - deprecate the PCP_LIB_COMPAT_DIR variable in /etc/pcp.conf
    - add Linux memory metric (mem.util.other) and memory metrics help text
    - add lockstat PMDA identifier into stdpmid list
    - add Linux vfs metrics (files, inodes, dentries)
    - fix - bug #900363 in linux PMDA to handle > 128 CPUs in /proc/stat
    - minor cleanup in libpcp, bug #901776

pcp-2.3.1-4 (16 July 2003)
    - fix - repair Linux fallout from TRIX changes
    - Makepkgs now extracts src tarball from srpm and includes build version
      in the tar filename
    - fix - make pmtrace and libpcp_trace endian safe, bug 893884
    - fix - don't sum non-disk entries from /proc/partitions in disk.all
      metrics, and add new SGI XVM metrics below disk.xvm, bug 895611
    - minor help text changes in the linux PMDA

pcp-2.3.0-17 (for dev testing)
    - fix - compilation warnings in the mount PMDA.
    - fix - pmie builds with recent versions of bison.
    - fix - several XFS metrics to work with the current/previous XFS versions.
    - fix - build on Redhat 9 wrt errno.h changes.
    - added several new XFS metrics.
    - remove inclusion of some kernel headers from the Linux PMDA code.
    - fix - sginap() macro platform_defs.h overflows causing pmie, pmval and
      assorted qa tests to hang, bug 891861
    - fix - repair fallout from autoconf-2.57 changes in Redhat 9 (broke
      "echo without newline" detection for pcp.conf), bug 892029
    - fix - under rare conditions, pmFetchArchive() may return with
      a bogus return value, bug 892037
    - fix - make pmlogger_check tolerant of hostname(1) returning the fully
      qualified domain name, bug 892079
    - fix race in pmTimeConnect (for pcp-pro only), bug 892827

pcp-2.3.0-15 (21 May 2003)
    - fix - pmdampi name space issue issue, bug 891599

pcp-2.3.0-14 (27 Feb 2003)
    - Fix for 882525: Linux pmda fails with openafs module at Fermilab
      problem in symbol table management, correction also involved
      removing the regexp() use and cleanup resulting in a 60% speed-up.
      Thanks to Troy Dawson <dawson@fnal.gov> for helping to track this down.

pcp-2.3.0-13 (21 Feb 2003)
    - portablility changes to enable building the PCP infrastructure on
      Solaris, based on contributions from Alan Hoyt <ahoyt@moser-inc.com>

pcp-2.3.0-12 (17 Feb 2003)
    - fix segfault for kernels which do not have CONFIG_MODULES
      reported by David Douthitt <DDouthitt@cuna.coop>

pcp-2.3.0-11 (12 Feb 2003)
    - patch from Anas Nashif <nashif@planux.com> to work with glibc 2.3.1
    - fix - pmlogger_check failure messages are too verbose
    - fix - pmclient sometimes reports bad Busy CPU (#) on MP systems
    - fix - Piggy-back PDU and endian conversion error
    - fix - Minor problem with error-handling in pmlc-pmlogger
      connection protocol
    - fix - cleanup handling of children's exit status for pmie
    - fix - need better diagnostics to debug trace PMDA
    - fix - Minor cleanup of PCP man pages
    - fix - command buffer too small in pmnsdel
    - Solaris portability changes from Alan Hoyt <ahoyt@moser-inc.com>
      (qa only so far)
    - fix - minor warnings and build cleanup
    - fix - serialize the pcp build

pcp-2.3.0-10 (16 December 2002)
    - Changes to pmlogconf to improve usability
    - pmie_check fails when log files relocated via symlink
      reported by Micah Altman <Micah_Altman@harvard.edu>
    - fix linux pcp upgrade saves pmns but doesn't save pmcd.conf
    - fix pmlc logic error in handling descriptor fetch failures
    - pmdumplog reports incorrect sizes for PDUs on ia64
    - fix /proc scanning for newer 2.4.x kernels and for 2.5.x
    - pmproxy support in libpcp
    - change the units of kernel.all.uptime from hours to seconds
      contributed by Mike Mason <mmlnx@us.ibm.com>
    - fix pmafm remove does not list all files
    - Units wrong for proc.psinfo.rss_rlim, Mike Mason <mmlnx@us.ibm.com>
    - in build/rpm/GNUmakefile, remove '=' from --target since rpm v4
      doesn't seem to like it Todd Davis <todd.c.davis@intel.com>
    - fix rpm upgrade post install processing for pmieconf rules
    - large number of new metrics and bug fixes from Mike Mason
      <mmlnx@us.ibm.com> to support metrics required by libgtop. These
      include the following:

      (new) Total idle time since boot
            kernel.all.idletime
      
      (new) current # of user sessions
            kernel.all.nusers
      
      (new) Last pid used
            kernel.all.lastpid
      
      (new) Filesystem blocksize from statfs()
            filesys.blocksize
      
      (new) Filesystem free space available to non-superusers from statfs()
            filesys.avail
      
      (modified) Per process command name
            proc.psinfo.cmd
      
      (new) Per process command line from /proc/<pid>/cmdline
            proc.psinfo.psargs
      
      (new) Per process CPU number from /proc/<pid>/stat
            proc.psinfo.processor
      
      (new) Per process wait channel symbol name
            proc.psinfo.wchan_s
      
      (new) Per process signal info from /proc/<pid>/status
            proc.psinfo.signal_s
            proc.psinfo.blocked_s
            proc.psinfo.sigignore_s
            proc.psinfo.sigcatch_s
      
      (new) Per process map info from /proc/<pid>/maps
            proc.memory.maps
      
      (new) Per process memory info from /proc/<pid>/status
            proc.memory.vmsize
            proc.memory.vmlock
            proc.memory.vmrss
            proc.memory.vmdata
            proc.memory.vmstack
            proc.memory.vmexe
            proc.memory.vmlib
      
      (new) Per process user and group ids from /proc/<pid>/status
            proc.id.uid
            proc.id.euid
            proc.id.suid
            proc.id.fsuid
            proc.id.gid
            proc.id.egid
            proc.id.sgid
            proc.id.fsgid
      
      (new) Per process user and group ids converted to names
            proc.id.uid_nm
            proc.id.euid_nm
            proc.id.suid_nm
            proc.id.fsuid_nm
            proc.id.gid_nm
            proc.id.egid_nm
            proc.id.sgid_nm
            proc.id.fsgid_nm
      
      (new) Semaphore limits from semctl()(needed by libgtop)
            ipc.sem.max_semmap
            ipc.sem.max_semid
            ipc.sem.max_sem
            ipc.sem.num_undo
            ipc.sem.max_perid
            ipc.sem.max_ops
            ipc.sem.max_undoent
            ipc.sem.sz_semundo
            ipc.sem.max_semval
            ipc.sem.max_exit
      
      (new) Message queue limits from msgctl()(needed by libgtop)
            ipc.msg.sz_pool
            ipc.msg.mapent
            ipc.msg.max_msgsz
            ipc.msg.max_defmsgq
            ipc.msg.max_msgqid
            ipc.msg.max_msgseg
            ipc.msg.num_smsghdr
            ipc.msg.max_seg
      
      (new) Shared memory limits from shmctl() (needed by libgtop)
            ipc.shm.max_segsz
            ipc.shm.min_segsz
            ipc.shm.max_seg
            ipc.shm.max_segproc
            ipc.shm.max_shmsys

    - fix libpcp_trace stub library does not build on ia64
    - fix make clean doesn't remove all that it should
    - fix pmlogger gram.y syntax error for newer bison
    - fix pmstore value "too big" test does not work on 64bit platforms
    - fix memory leak in pmlogger on 64bit platforms
    - fix update-magic to recompile the magic file after install
    - fix pmie alarm actions, suggested by Todd Davis <todd.c.davis@intel.com>
    - fix man pages to be compatible with khelpcenter and man2html
    - use rpmbuild rather than rpm --rebuild for RH8, contributed by
      Todd Davis <todd.c.davis@intel.com>
    - use rpm instead of rpmbuild if rpmbuild isn't available, contributed
      my Mike Mason <mmlnx@us.ibm.com>
    - in pmdas/linux/ksyms.c, use __psint and %p format for for address
      scanning, contributed my Mike Mason <mmlnx@us.ibm.com>
    - use "make" by default in Makepkgs rather than explicitly gmake
    - Add top level GNUmakefile check for gmake (stolen from glibc)
    - Correctly check status in rule for pcp.src in build/GNUmakefile
    - correctly check rpmbuild exit status in Installpkgs.
    - fix NULL ptr deref in src/pmdas/linuyx/proc_pid.c for the
      case where a process exits while we're reading /proc/<pid>/status

pcp-2.2.2-9 (11 December 2001)
    - fixed mangle-src to catch all copyrights in the open source package
    - fixes from gilly@exanet.com for /proc/cpuinfo on alpha platform.
    - change configure.in to work with autoconf version 2.50
    - fix configure.in to work when ps gives warnings on stderr;
      (eg. System.map doesn't match running kernel)
    - added lmsensors PMDA, contributed by Troy Dawson <dawson@fnal.gov>
    - added kernel.all.uptime, contributed by Gilly <gilly@exanet.com>
    - fixed int overflow with kernel.*.cpu.* metrics. Fix contributed
      by Gilly <gilly@exanet.com>
    - use sysconf(_SC_CLK_TCK) to determine HZ
    - fix sapic scanning for sn-ia64 in proc_cpuinfo.c
    - fix from gilly@exanet.com for scanning 2.4.x /proc/stat disk stats
    - bug 826904 Ensure atomicity of PMNS updates as seen by PMNS readers,
      and add transactional-level locking to ensure mutual exclusion
      between PMNS updaters
    - bug 817376 pmlogger makes too many round trips to pmcd
    - bug 828416 - pmlogger access control will not accept hostnames
      containing hyphens
    - bug 820891 More robust mapping of system error codes to strings to
      accommodate the growing range of errno values in IRIX and differences
      between IRIX and Linux
    - bug 826681 - Having $MAGIC set screws up Linux file(1) with consequent
      havoc for PCP scripts. Fixes to mkaf and pmie_check.
    - fix from Brian Harvell <harvell@aol.net> to allow pcp.conf.in to be
      configured with the following cmdline options to the configure script:
      --datadir --sbindir --localstatedir --libdir --mandir --bindir
      --includedir and --prefix
    - fixes from Brian Harvell <harvell@aol.net> for incorrectly
      configured paths in src/pmie/src/pmie.c src/pmns/pmnsdel.c 
      and src/pmns/pmnsmerge.c
    - from Thomas Graichen <tgr@spoiled.org>, support for bzip2 compressed
      man pages (such as used in Mandrake 8.x)
    - from Martin Knoblauch <Martin.Knoblauch@TeraPort.de>, fix for a problem
      where if LANG is not "C", the is_chkconfig_on() shell function in
      rc-proc.sh does not work, causing problems with the rc scripts.
      src/libpcp/src/pdu.c - 1.3
    - bug 836236 in libpcp: better handling of piggy-back PDU in the boundary
      case where the second PDU is so short that it does not contain even a
      full PDU header.
    - fix src RPM build on Turbo Linux. If /usr/lib/rpm/brp-compress
      exists then always use gzipped man pages.
    - fix buglet where file-3.35 in RH7.2 uses a compiled magic file
    - fix buglet where gawk complained about "\{" on Mandrake linux
    - on SGI SNIA systems, map node number from sapic to cnode in /dev/hw/nodenum
    - bug 843215, fix pmie's sprintf looking for it's config file
    - bug 842905, when /var/log/pcp is a symbolic link, pmie_check fails

pcp-2.2.1-3 (21 June 2001)
    - remove unwanted *.rpmorig files after upgrade 
    - fixed bug #827972, pcp root exploit with pmpost
    - fixed assorted other security issues.

pcp-2.2.0-15 (23 May 2001)
    - don't include linux/kernel_stat.h and avoid __sparc__ conditional code 
    - from Michal Kara: rc will rebuild PMNS if root_* files newer than root
    - add the roomtemp PMDA for measuring temperatures using the 1-Wire
      serial network ans sensor technology from Dallas Semiconductor
    - zero network.tcpconn values before counting them in /proc/net/tcp
      (Michal Kara's original code was correct - markgw busted it!)
    - add new LGPL library libpcp_http. Used by permission of the author,
      Laurent Demailly <L@Demailly.com>
    - minor surgery on apache PMDA to link with -lpcp_http
    - minor fix diagnostic from __pmLogRead
    - as reported by Alexander L. Belikoff <abel@vallinor4.com>, it was
      not possible to disable the primary logger via changes to the
      /var/pcp/config/pmlogger/control file ... this has been fixed
    - as reported by Alan Bailey <bailey@mcs.anl.gov>, the assumption
      that /var/pcp/config/pmlogger/control was version 1.1 was implicit 
      ... this is now documented and the pmlogger_* scripts will warn
      if the deprecated version 1.0 format is used accidently
    - from Michal Kara: fix mem leak in apache PMDA
    - from Michal Kara: install /var/pcp/config/pmlogger/Makefile
      (src is in src/pmlogctl/Makefile.install). This provides pre-processing
      of pmlogger config files with cpp.
    - reintroduction of "impl.h" header, deprecate "pmapi_dev.h" and major
      makefile surgery to reintegrate the IRIX and Linux PCP source trees
    - add ia64 support infrastructure.
    - use -fno-strict-aliasing for correct ia64 compilation
    - use -fpic to avoid gprel errors linking shlibs on ia64
    - don't use -P with cpp, thus preserve line numbers
    - post-process help text to reformat long lines
    - pv:789819 fixes to mailq and sendmail PMDAs
    - fix endian-sensitive IP addr construction in cisco PMDA
    - fix sscanf unaligned access warnings on ia64 for cisco PMDA
    - support v1 help text again, conditional on HAVE_NDBM
    - fix pmval's qsort compare routine for instances
    - surgery on almost all man pages, merge with IRIX PCP man pages
    - promote shping to open-source status
    - fix bug #814989 where disk.all.* not summed correctly (if the sard
      patch has been applied to running kernel)
    - with the sard patch applied to the kernel, disk.all metrics were
      being summed as the total of disk.partitions and disk.dev metrics,
      resulting in approximately twice the rate of disk I/O for the
      disk.all metrics
    - added more disk metrics and update help text
    - the "cpu" instance domain is now dynamic and supports any number of CPUs
    - fixed pmie rc and pmie_{check,daily} scripts
    - a bunch of places were using $PCP_VAR_DIR/config/pmcd/pmcd.conf
      as the path to pmcd.conf (which is correct). Others were using
      /etc/pmcd.conf (which is only correct on IRIX).
    - merged IRIX/Linux versions of pmsocks
    - mimic the IRIX xconfirm behaviour more closely, pv 817289
    - pv:817367 Handle SIGCHLD from xconfirm problem on Linux
    - minor changes in error messages to make them less IRIX-centric
      and hence more sensible for Linux
    - fix weblog link in doc dir logic and old netscape should be
      detected as CERN not NS_PROXY.
    - fix weblog so regex in the configuration file is recognized
      correctly on all platforms
    - only run weblogconv.sh on linux
    - conversion to more simple copyright in numerous places
    - avoid grep -q usage: not supported on early IRIX
    - pv:803341 Change Creator: for mkaf from mkaf to pmchart to assist
      with pmafm replay when pcp also installed.
    - updated man page text for platform-agnostic descriptions.
    - fix 817880 pmafm remove does not list all files
    - src/pmie/GNUmakefile Fix busted sed translation of the control
      file so the logfiles (and hence directories) are ...pmie/<hostname>
      rather than pmie<hostname>
    - renamed all Makefiles to GNUmakefile
    - makefile surgery to allow multiple RPMs to be built from one src tree
    - fixes to src/pmcd/pmdaproc.sh to not use test -e
    - pv:815326 fix pcp linux /usr/share/magic doesn't detect pmie config
    - pv:818381 fix pmie_check fails esp integration
    - man page for pmlogsummary was in both pcp and pcp-pro
    - fix to src/pmie/pmie_check.sh, improve pattern to match No such
      file or directory for linux
    - fix all linux specs to install root,root rather than root,bin
      (needed to avoid warnings when installing on redhat7.1)
    - add GNUmakefile.install for all PMDAs, installed in each PMDA dir
    - fix src/pmdas/weblog/server.sh to use quotes on -d that was breaking
      when parameter empty.
    - pv:807561 change pmprobe -i and -I semantics to call pmGetInDom
      rather than using the returned indom from pmFetch
    - add hinv.machine for oview to use
    - change the cpu instance domain to use the numa names if they are
      present on the machine, else revert to cpuX syntax
    - numerous fixes so the src RPM builds on all platforms
    - pv:824382 - xfs block metrics were scaled incorrectly
    - add support for /proc/slabinfo metrics (mem.slabinfo.*)
    - add new "process" and "mounts" PMDAs, contributed by Alan Baily
    - added GPL copyrights to process and mounts src, fixed makefiles
      to extract domain number from stdpmid and added install targets,
      and small change to ignore comments in conf files.
    - added hinv.pagesize (uses the getpagesize(2) system call)
    - fixed bug #825229 where rpm upgrade would clobber root pmns for PMDAs

pcp-2.1.10-8 (released circa Oct 18 2000, with SGI ACE1.4)
    - guard against DOS attack by restring incoming PDU size to 64K.
    - add hinv.map.cpu and hinv.cpu metrics exported by /proc/cpuinfo
    - fix small error in INSTALL_MAN rule in src/include/builddefs.in
    - fix for bug #793427 - correct symlinks for man pages with multiple
      entries in the .SH NAME section.
    - add network.tcpconn metrics to export counts of tcp connections in each
      state. Code contributed by Michal Kara (lemming@arthur.plbohnice.cz)
    - few minor fixes for build on ia64

pcp-2.1.9-12 (released circa Sept 13 2000, with SGI Propack1.4)
    - for 2.4 without sard, correctly match disk numbers in /proc/stat
      with major,minor numbers in /proc/partitions.

pcp-2.1.9-11 (unreleased)
    - add pagebuf metrics (Daniel and Nathan)
    - fixes so the build works if pcp is not already installed
    - minor security fix to pcp.spec.in (force mode 644 for .NeedRebuild)
    - make sure the src RPM builds correctly (LSRCFILE issues from LinuxWorld)
    - fix for bug #797756, upgrade from pcp2.1.6 to any newer version leaves
      pcp chkconfig off and the name space does not get rebuilt.
    - extended the weblogs PCP agent so it can report proxy/squid
      http servers, and added assorted http cache statistics.
    - fixed the Cisco router PCP agent (it was broken in pp1.3).
    - add support for disk stats in 2.4.x kernels with "disk_io" field
      in /proc/stat (only used when sard patch is not installed)
    - if the pcp-pro package (SGI proprietary) is installed, all libpcp
      clients on linux are now "authorized" to monitor IRIX systems that
      do not have a pmcd collector license.

pcp-2.1.9-6 (released 2 Aug 2000 for propack1.4 - alpha, not final)
    - install /usr/share/pcp/lib/rc-proc.sh containing common
      shell functions for use by rc scripts - these functions
      are tolerant of the chkconfig command missing (as in SUSE).
    - update all rc scripts and {pmlogger,pmie}_{check,daily} scripts
      to use the new rc-proc.sh functions. Remove the /etc/sysconfig
      stuff entirely (it was not being used anyway).
    - fix for #795934 : after rpm -U, pcp is chkconfig off. It turned
      out that an upgrade executes the %post _and_ the %preun scripts,
      which resulted in pcp being chkconfig'd on then off again.
    - fix pmie rc scripts so they work, are chkconfig friendly,
      and cope with _and_ without pmieconf (which is in pcp-pro).
      Also install /var/pcp/config/pmie/config.default as a simple example
      to monitor the load average and report to syslog. The pmie
      daemon is chkconfig off by default.
    - default run levels for pmcd and pmie (daemon) are now 2345, for SUSE
    - reconcile troff and groff differences in man page sources
    - fix for bug #797049 use strftime(%z) to determine timezone offsets
      w.r.t. daylight savings
    - portability surgery on src/libpcp_trace, and add new pmtracecounter()
      function, see pmtracebegin(3) for details.
    - reconcile pcp.env and pmcd.options from IRIX
    - fix for bug #797048 update-magic does not fully remove old entries
      before adding new, hence the magic file would grow after each upgrade
    - other minor reconciliation work with IRIX
    - fix build environment to allow proper handling of compressed man pages
    - add support for RPM version 4.
    - add support for add kernel.{all,percpu}.syscall metrics
      (requires kernel patch)
    - fixed for bug #797164: potential SEGV due to calling realloc on a 
      misused pointer - src/pmdas/weblog/weblog.c
    - use realpath(3) to resolve devices in /proc/mounts for filesys.* metrics


pcp-2.1.8-2 (released 30 June 2000)
    - fix for bug #793871 pmlogger_check fails after redhat upgrade
      (because PCP entries in /usr/share/magic were clobbered)
    - also install /var/pcp/pmdas/linux/pmdalinux (as a non-DSO
      agent for debugging and profiling purposes).
    - added pmda.uname (uname -a) and pmda.version (linux pmda version)
      metrics. The pmda.uname metric is needed by the "pcp" command.
    - fix for #789025 fix to ensure rpm --verify succeeds immediately
      after an install, and other errors in pmlogger_check
    - released with ACE 1.3 (MR 19 Jul 2000)

pcp-2.1.7 (internal release for testing)
    - merged changes from IRIX for multiple namespace support in
      pmdaproc.sh
    - parameterized path to pmcd.conf and pmcd.options to avoid
      having to move these files in IRIX. Use PCP_PMCDCONF_PATH and
      PCP_PMCDOPTIONS_PATH respectfully.
    - add new error define PM_ERR_LOGFILE (reconciled from IRIX)
    - conditional pragma for pmGetConfig (not used in linux)
    - use if defined(HAVE_OBJECT_STYLE) to guard __pmCheckObjectStyle
      since it's not used in linux (reconciled with irix code)
    - correct logic used to scan for pmlogger pid in pmlogger_check
      in case where pmlogger exits prematurely, part of #789025
    - added -Wall to default CFLAGS and LDFLAGS
    - added xfs metrics (needs kernel support else no values available)
      extracted from /proc/fs/xfs/stat
    - added nfs (version 3) metrics, same names as on irix, bug #789669
    - fix instance domain for kernel.percpu.interrupts, bug #790372

pcp-2.1.6 (released 3 May 2000)
    - released with ISE 1.2 (MR 25 May 2000)
    - released with ISEMAIL 1.0 (MR 24 May 2000)
    - this is the version shipped with SGI ProPack1.3
    - change use of __clone to pthread_create for portability
    - add support for raid disk stats (previously ignored)
    - fix for bug #789425 pmie suspect behaviour with "delta" keyword
    - add support for devfs style scsi disk names
    - fixed a problem where nfs stats were always showing NFSv3 stats
      rather than NFSv2 stats. We are not (yet) supporting NFSv3 stats.

pcp-2.1.5 (released 12 April 2000)
    - released with SGI ACE 1.2 (MR 19 Apr 200)
    - fix bug #786743 filesys metrics are wrong
    - fix potential segfault bug in timezone handling
    - tolerate SUSE's location of magic file different to Redhat's
    - tolerate no chkconfig on SUSE (use %postinstall create rc symlinks)

pcp-2.1.4 (released 15 Feb 2000)
    - fix for segfault src/pmdas/linux/pmda.c on linuxppc, found by
      Dale F. Brantly <dale.brantly@sgi.com>
    - fix build error in src/pmclient, was trying to use pmgenmap
      without /etc/pcp.env, also found by Dale.
    - setlinebuf(stdout) for all clients that loop
      (fixes a buffering problem on alpha-linux).
    - fixed some missing "{" in conditional variable assignments
      in src/pmie/etc_init.d_pmie (found by lstep@free.fr)
    - changed use of pmgenmap in build for pmclient and
      pmkstat to be consistent (found by lstep@free.fr)
    - don't assume clock tick rate is 100/second. Use the CLK_TCK macro
      instead. Rearrange arithmetic in src/pmdas/linux/pmda.c where we
      divide by CLK_TCK to avoid truncation in conversions from jiffies
      to milliseconds.
    - return "no values available" rather than PM_ERR_APPVERSION for
      the metrics disk.{all,dev}.{read,write,total}_bytes since these
      are not available on systems without the "sard disk patch".  This
      is now consistent with requests for disk.partitions.* metrics.

pcp-2.1.3 (released with 2.1.4)
    - released with ISE 1.0 (MR 1 Mar 2000)
    - added hinv.map.scsi metric as a map of SCSI devices (if any)
    - added disk.dev.{read,write,total}_bytes
    - filter devpts from filesys.* metrics to avoid FPE errors
    - added support for new style Apache configuration file and
      "silent" install to weblog scripts

pcp-2.1.2 (released with 2.1.4)
    - released with SGI ACE 1.0
    - fixed date field in LSM
    - install pmiestats.h for pmieconf
    - renamed /var/pcp/config/pmafm/pcp-col to
      /var/pcp/config/pmafm/pcp
    - added network.{ip,icmp,tcp,udp} metrics
      extracted from /proc/net/snmp
    - fixed shell syntax error in pmlogger_daily(1)
      (changed test -l to test -f)
    - fixed problem with definition of __psint_t on 64bit machines
    - fixed timezone problem with daylight saving

pcp-2.1.1 (released 7 Dec 1999)
    - initial pcp-2.1.1 open source release