File: ChangeLog

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jmp 0.48-1
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version 0.48 (2005-10-29) Added Ians patch for OpenBSD compilation. The
          string dumper did not close the dump file, spotted by Markus
	  Kohler. Wolfgang Baer updated the german translation and added a
	  man page. Made noui version compilable again.

version 0.47 (2005-05-22) Added a string dumper for the no-ui mode. Fixed
          the missing column headers for the dump files. Added Ondrej's
	  patch to show better units in the heap graph. Added units to
	  class and method tables. 
	
version 0.46 (2005-01-11) Added a right-click meny "expand" in the object
          owners dialog, makes it possible to trace owners all the way to
	  the source. Added Yegors patch for dumping entered methods.
	  Added a Total object in the owned object statistics dialog. The
	  show object owners statistics dialog now show the instances, not
	  the number of links into the selected class.

version 0.45 (2004-12-01) Added Martins patch to show "time per call" in
          the method window. Added tenure levels to class and instance
	  list. Class events are now enabled only when they need to. This
	  means that running with nomethods,noobjects should be faster
	  (until one of them is enabled). Removed some unnecessary prints
	  from the heap dump file. Changed the dumpfile argument to
	  dumpdir so both dump and heapdump files go to that directory.
	  Made minor adjustments to the jvm simulator and the simulator
	  mode of jmp. 
	
version 0.44 (2004-10-19) Added a patch from Matze that enlarge the
          temporary buffer for the method name translation. Tried to make
	  jmp more gtk-thread aware, thanks to Francois for testing it. 
	  Added Luca's patch to find java-includes under hp-ux. Added
	  Martins patch that adds a column "alloced per call" to the
	  method list. 

version 0.43 (2004-08-17) Added method callee graph, same features/bugs as
          the normal call graph. Added the ability to group object
	  allocations to the filetered methods only. Minor fixes to stack
	  mismatch handling. 

version 0.42 (2004-05-11) Added popup menues to the object owners
          dialog. Made sure that the no-ui version is usable
	  again. Included Mikko's patch for better parsing of filter
	  options. 

version 0.41 (2004-03-23) Added a level so that it is possible to ask for
          objects in the current reset level only. This means that show
	  alloced instances and string inspector have improved usability.
	  Added the possibility to show owners for a given string and a
	  given instance. Heap dump no longer throw away allocation sites
	  for objects if object tracing was on when the heap dump was
	  requested. 

version 0.40 (2004-03-07) Improved the jvm simulator and used valgrind and
          electric fence to fix a few memory problems. Added a dialog that
	  can be used to change the number of visible rows. Roland Illig
	  updated the german translation. Some code cleanup. String
	  inspector now also shows how much memory each char[] uses.

version 0.39 (2004-02-03) Added menu separators in some menues. Added a
          string dumper that makes it easy to inspect all strings in
	  memory, it also has the ability to dump all strings to a file.
	  Fixed a bug in down link handling that caused instance numbers
	  to increase for arrays (thanks to matze who tried to use the
	  string inspector and did send back traces from crashes).
	
version 0.38 (2004-01-07) Changed from one filter to many filters. Added
          status bars to method and class list. Some more code cleanup.
	  Major rewrite of filterconfig to handle multiple filters. Added
	  a window that shows owner statistics (java.lang.String is owned
	  by 23 Class, 12 Hashtable$Entry...). 

version 0.37 (2003-12-09) Fixed the freeze-button to show different texts
          depending on mode. Added missing sort for variable name in
	  object dump window. Added owned objects statistics, a window
	  that shows how many objects are reachable from a given object.

version 0.36 (2003-10-23) Added monitor dump parsing and a window that
          shows the current monitors, including the threads that wait to
	  enter or wait for notify. Code cleanup. Commented the code some
	  more. Added a semi-automatic deadlock detector.
	
version 0.35 (2003-09-23) Fixed a bug that caused crashes at shutdown
	  if no object tracing had been done. Fixed a problem where some
	  method exits got negative time diffs, which could cause some
	  methods to have taken _very_ long. Some code cleanup. Removed
	  some locking of timerstacks giving a good performance
	  boost. Fixed a hang on exit when the nogui option is used.

version 0.34 (2003-09-02) Fixed some bugs that caused crashes during
          shutdown and file dumping. A problem with displaying strings
	  outside of ASCII was fixed.

version 0.33 (2003-08-14) Added a heap size indicator in the heap
          graph. Added text fields to show the heap size, current usage
	  and filtered usage. When an instance is inspected the node is
	  now auto expanded.

version 0.32 (2003-07-10) Added a bootstrap script. Made it possible to
          expand Object[] and char[]. Merged a patch by Andy Farlie to 
	  make it possible to compile with gtk+/2.0 again.

version 0.31 (2003-06-24) Added a heap total and filtered total usage row
          to the dump files. Added a class info dialog that displays all
	  the variables (both instance and static) in the class. Each
	  instance in the instance list can now be expanded to show object
	  instances owned by a specific object.

version 0.30 (2003-05-20) Updated the dialog for allocated instances, it
          now show the arena name if known. Updated timerstack to hold the
	  object id for the object the method is waiting for (either
	  normal wait or contention). Updated thread window to show the
	  object the selected thread is waiting on. Removed some
	  synchronization from object_alloc. Fixed a deadlock that could
	  cause the UI thread to hang if the thread window was open. Fixed
	  some minor memory leaks (some objects were not released on
	  exit). Added a jvm simulator that can be used to profile/debug
	  jmp. Minor update to configure for freeBSD. Enabling method
	  events on startup no longer causes jmp to try to get the stacks
	  (since that crashes some jvms). Heap dump and enable/disable of
	  object events does not increase the GC-count anymore.
	
version 0.29 (2003-04-09) Fixed a problem where some objects were not
          counted correctly after a heap dump. Fixed a problem where
	  method_exit could get a NULL method and crash jmp. Reenabled the
	  code that asks the jvm for a method when method_entry can not
	  find it which happens when class was loaded before jvmpi was
	  started. Added some useful methods to the java API. Updated
	  Makefile to hold targets for the java parts. Wrote javadoc for
	  the java parts.
	
version 0.28 (2003-03-19) Removed some unneeded includes. Added help and
          status text to the instance owner dialog. Made instance owner
	  show no more than 100 top level objects (tree gets very large
	  otherwise). Changed time strings to have only 6 decimals. 
	  Changed color (from grey to green) for the filtered set in the
	  heap graph. Changed to vertical pane in threads window, which
	  puts the stack trace table under the thread list. Remove all
	  objects before a heap dump is parsed which fixes a problem where
	  objects were counted multiple times. The code to show instance
	  owners now tries to request unknown objects and classes and thus
	  shows more information.
	
version 0.27 (2003-02-15) Fixed a problem where an early method_exit
          caused jmp to crash. Minor fixes for FreeBSD compilation from
	  Ronald. Updated german localization. Merged a patch from Bodo
	  that adds thread status and thread total time to the threads
	  window and also has a bug fix for monitor contenation handling.

version 0.26 (2003-01-12) Merged a patch from Bodo: add two columns
          to method, the columns are number of alloced objects in method
	  and number of alloced bytes in method. Simplification and
	  speedup of contenation handling. The time function is now
	  selected at startup depending on jvm vendor and version since
	  GetCurrentThreadCpuTime has a bug in SUN's jvm, not in IBM's,
	  absolute timing under linux uses some special code for better
	  accuracy. Merged patch from Chris Hane to compile under
	  windows. Merged a patch from Bodo to speed up timerstack
	  locking/unlocking (by removing most of the calls since they are
	  not needed). Merged a patch from Ronald Klop: Include
	  sys/types.h in heap_dump.c if it exists to compile under
	  FreeBSD and changed name of jmp's hash_* to jmphash_* to avoid
	  clashes with hash functions in libc (on *BSD and other unixes). 
	
version 0.25 (2003-01-01) Added a target "install-to-java" to installing
          jmp into the jdk, which makes it possible to run jmp without
	  setting the LD_LIBRARY_PATH. Corrected email adressess in
	  AUTHORS and other files. Heap dumps now tries to get object
	  allocations when it gets instances that are unknown. Added a
	  filter flag to struct cls, which means that we only filter on
	  class_load and set_filter instead of each ui-loop. Made the
	  numeric colums be right aligned. Updated list view
	  handling. Added a heap size graph. Updated the UI code to be
	  much faster. Updated TODO file. 

version 0.24 (2002-12-17) Many changes by robo, Marco and Bodo. Code
          cleanup and performance: Removed a lot of gtk_widget_show since
	  gtk_widget_show_all is used. Removed the unused struct timeval
	  and calls to gettimeofday from method_entry and method_exit
	  handling. A method pointer is now stored in the timerstack and
	  the timerstacks are only locked if thread window is open this
	  speeds up the method_entry and method_exit handling. Initial
	  framework to enable and disable method and object events at
	  runtime, making it possible to run with jmp with almost no
	  performance hit until profiling is needed and enabled. Added
	  code to handle stack cleanup after stack underflow or after
	  method profiling has been enabled.

version 0.23 (2002-12-09) Big patch from Marco Walther: the patch puts a
          monitor in each hash table and timerstack and uses that monitor
	  to synchronize access to the hash tables, this makes crashes
	  quite rare even when profiling method calls. Minor fixes in
	  object owners to handle the case where objects have been garbage
	  collected.

version 0.22 (2002-11-16) Fixed a compile problem when building with
          --disable-nls. Add forgotten file close in no-ui.c. Added more
	  garbage collection statistics. Added a jmp.dll target for thoose
	  who want to run jmp under windows. Changed time fields to hold
	  jlong with nanoseconds instead of struct timeval, this gives
	  better portability and cleaner code. Splitted out filter and
	  filter dialog to get filter even in noui-mode.

version 0.21 (2002-09-16) Fixed so that it should be possible to run with
          "nogui" (when run with DISPLAY unset). Restructured code a lot
	  to enable the --enable-noui when configuring which gives a
	  libjmp that does not need gtk (only useful with dumptimer=3600
	  or options like that). A side effect of --enable-noui is that it
	  should now be easy to add other user interfaces with other
	  toolkits like windows/qt/mac. Added some statistics after
	  garbage collect.

Version 0.20 (2002-08-15) Updated the gui to use GTK+/2.0 instead of the 
	  GTK+/1.2. Updates to configure script to handle gtk-change. Some
	  large files were splitted. Some code reorganisation.
	
version 0.18 (2002-06-22) Made the thread status window update on the same
          timer as the other status windows. Fixed a problem with early
	  monitor events (crash upon starting).Fixed a problem with early
	  method exits and uninitilized stack (crash upon starting).
	  Disabling monitor profiling at shut down solved one crash at
	  exit. Minor UI updates on the thread status window.

version 0.17 (2002-06-04) Removed the updater thread and moved its duties
          into gtk-timeouts instead. Made the UI more responsive during
	  heap dumps. Restructured initialization a little bit. Minor UI
	  tweaks. Added contenation info to the threads window. Added
	  sorting to the threads window.

version 0.16 (2002-05-20) Made it more thread safe by removing static
          method variables. Added a window that shows the current threads
	  togheter with the stack for the selected thread. Made the ui
	  updating a bit faster. UI tweaks. Updated swedish translation.

version 0.15 (2002-04-24) Merged in patches from Bodo Pfelzer: hash tables 
          now store a list of free elements so they do not have to call
	  malloc in move object (forbidden according to jvmpi spec). Added
	  status texts to get more information (Bodo). Updated german
	  translation (Bodo). Added some more comments in the code. 
	  Modified the  method struct to handle class moves during
	  GC. Minor ui updates. 

version 0.14 (2002-04-13) Some more memory handling. Object owners show a
          tree of the owners in a new window. Disable events at shutdown
	  means less crashes on exit due to half freed structures. Menu
	  entry for show instance owners are only possible when a heap
	  dump has been done.

version 0.13 (2002-03-29) Fixed the total count field, it should now hold
          correct values and always be showing. Cleaned up some memory
	  allocations. Removed some unused code. Updated configure to
	  handle that JAVA_HOME points to IBM's sdk (include files are
	  located somewhat different). Added filter options on the class
	  lists and method lists right click menu. Added tracing in a few
	  important places. Started heap dump handling. Handle object_move
	  for classes. Initial owner lists for objects. Changed objects
	  internal represantation slightly to speed up GC with class
	  moves. 
	
version 0.12 (2002-01-26) Added Bodo Pfelzer's i18n patch. Added german
          l10n (also Bodo), Added swedish l10n (me). Added a patch to
	  avoid deadlock when garbage collection was requested with the
	  [GC]-button (Bernd Petersohn). Added initial help text (java
	  -Xrunjmp:help). Added a dump on timer mode (available with
	  -Xrunjmp:dumptimer=<n>). Splitted out some function from long
	  files. Added sorting to object table.
	
version 0.11 (2002-01-10) Added Bodo Pfelzer's patch for filtering shown
          objects and methods. Added a column to show a methods total time
	  (own + methods called). Updated configure script to look after
	  java as specified in the JAVA_HOME environment variable (Bodo +
	  own fixes).  

version 0.10 (2002-01-01) Added the ability to show live objects alloced
         by a method. Added the ability to show all live objects of a
	 certain class. Added initial sizes to windows. Removed some debug
	 info. Renamed test programs to jmp_<prog_name>. Added a TODO file
	 to the project. Added a first draft of a method call graph.

version 0.9 (2001-12-23) Added Erik Agsj's patch to dump thread status,
         modified it to get full stack traces. Changed the updates of the
	 tables to use update instead of clear and append, thanks to Bodo
	 Pfelzer. Translated the jvm's method/field signatures to human
	 readable form.
	
version 0.8 (2001-12-11) Added the possibility to restore the counters to
         real values. Added the quit-ui and check_quit (on timer) to be
	 able to get gtk_main-thread to call gtk_quit () hopefully this
	 should make jmp and IBM's jvm work better together. Added the
	 possibility to freeze the ui updates.

version 0.7 (2001-11-24) Fixed the broken objectstore to use a version
        from Bodo Pfelzer (slightly modified to alloc in chunks)
	instead. Added a button to reset the counters (calls, times,
	instances) to zero which is useful for profiling a specific
	method.

version 0.6 (2001-11-13)
	Dump results on exit. Dump on request is available. Added the
	possibility to sort columns by clicking on a header. Only shows
	the windows that need to be open. Only updates the windows that
	are showing. Added a window with some buttons to dump data and
	request a garbage collect. Added an about dialog. Dump files are
	named sequentially so you can diff them.

version 0.5 (2001-11-05)
	Speed improvements. Method exit should not lock in the normal case
	anymore. The crash on exit should not happen anymore. Added the
	possibility to trace jmp (compile with CFLAGS='-DJMPDEBUG').
	
version 0.4 (2001-10-13)
	Major Speed improvements. Method entry does not lock
	anymore. Fixed the problems with classes where we get no source
	file.
	
version 0.3 (2001-10-02) 
	Made the gtk-ui thread aware so this should mean no more "async
	Xlib reply". Fixed some memory problem bugs.
	
version 0.2 (2001-09-28)
	Many changes. Sorted the object table based on bytes used. Make
	the object table keep its visible set of rows. Added thread and
	method tracing. Added a generic stack (used for method tracing).

version 0.1 (2001-08-xx)
	No changes yet.