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<title>collectl - Input Files</title>
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<center><h1>Input Files</h1></center>
<p>
The following is a list of the files read by collectl to support the different types of data
being collected.  Also included are the basic linux commands that
should produce the same numbers as collectl for those times you may want to know if
you've uncovered a collectl problem OR it's a linux problem.  The one exception is 
Infiniband data which is obtained by the <i>perfquery</i> OFED utility as noted.

<center>
<table border="1">
<tr><td><b>Subsystem</b></td><td><b>File(s)</b></td><td><b>Commands</b></td></tr>
<tr><td>Buddy</td><td>/proc/budyinfo</td><td>cat /proc/buddyinfo</td></tr>
<tr><td>CPU</td><td>/proc/loadavg</td><td>mpstat, iostat -c, vmstat</td></tr>
<tr><td>&nbsp;</td><td>/proc/stat</td><td>&nbsp;</td></tr>
<tr><td>Disk</td><td>/proc/diskstats</td><td>iostat -d, iostat -x</td></tr>
<tr><td>&nbsp;</td><td>/proc/partitions</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/stat</td><td>&nbsp;</td></tr>
<tr><td>Inode</td><td>/proc/sys/fs/dentry-state</td><td>sar -v</td></tr>
<tr><td>&nbsp;</td><td>/proc/sys/fs/dquot-nr</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/sys/fs/file-nr</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/sys/fs/inode-state</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/sys/fs/super-nr</td><td>&nbsp;</td></tr>
<tr><td>Interrupts</td><td>/proc/interrupts</td><td>&nbsp;</td></tr>
<tr><td>Interconnect</td><td>/proc/qsnet/ep/rail[0-1]/stats</td><td>perfquery</td></tr>
<tr><td>&nbsp;</td><td>perfquery *</td><td>&nbsp;</td></tr>
<tr><td>Lustre</td><td>/proc/fs/lustre/llite/.../stats</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/fs/lustre/llite/.../read_ahead_stats</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/fs/lustre/mdt/MDT/mds/stats</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/fs/lustre/osc/OST_...client.../stats</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/fs/lustre/obdfilter/OST_.../stats</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/fs/lustre/obdfilter/OST_.../brw_stats</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/fs/lustre/osc/OSC...mds.../stats</td><td>&nbsp;</td></tr>
<tr><td>Memory</td><td>/proc/meminfo</td><td>sar -rB, free, vmstat</td></tr>
<td>&nbsp;</td><td>/proc/vmstat</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/sys/device/system/node/node*/meminfo/</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/sys/device/system/node/node*/numastat/</td><td>&nbsp;</td></tr>
<tr><td>Network</td><td>/proc/net/dev</td><td>netstat -i</td></tr>
<tr><td>NFS</td><td>/proc/net/rpc/nfs</td><td>nfsstat -c/s [c if -o C]</td></tr>
<tr><td>&nbsp;</td><td>/proc/net/rpc/nfsd</td><td>&nbsp;</td></tr>
<tr><td>Process</td><td>/proc/pid/cmdline</td><td>ps or top</td></tr>
<tr><td>&nbsp;</td><td>/proc/pid/io</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/pid/stat</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/proc/pid/status</td><td>&nbsp;</td></tr>
<tr><td>Slab</td><td>/proc/slabinfo</td><td>slabtop</td></tr>
<tr><td>&nbsp;</td><td>/sys/slab<slab>/object_size</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/sys/slab<slab>/objects</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/sys/slab<slab>/objs_per_slab</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/sys/slab<slab>/order</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/sys/slab<slab>/slab_size</td><td>&nbsp;</td></tr>
<tr><td>&nbsp;</td><td>/sys/slab<slab>/slabs</td><td>&nbsp;</td></tr>
<tr><td>Socket</td><td>/proc/net/sockstat</td><td>sar -n SOCK</td></tr>
<tr><td>Tcp</td><td>/proc/net/netstat</td><td>&nbsp;</td></tr>
</table>
</center>

<table width=100%><tr><td align=right><i>updated Sept 15, 2011</i></td></tr></colgroup></table>

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