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| author | gnn <gnn@FreeBSD.org> | 2012-05-12 20:38:18 +0000 |
|---|---|---|
| committer | gnn <gnn@FreeBSD.org> | 2012-05-12 20:38:18 +0000 |
| commit | 4297c1b2d07fec7f50b70e26e3adb4d062b19e15 (patch) | |
| tree | aec2772e8855e6dbaea6d8136ed0c47bcb825dee /Examples/iofile_example.txt | |
| parent | 111c75a23278cd9317f0a13867c22ee0f6c95b26 (diff) | |
| download | FreeBSD-src-4297c1b2d07fec7f50b70e26e3adb4d062b19e15.zip FreeBSD-src-4297c1b2d07fec7f50b70e26e3adb4d062b19e15.tar.gz | |
Add the remaining scripts from the DTraceToolkit, version 0.99, to the
vendor tree.
http://www.brendangregg.com/dtrace.html#DTraceToolkit
Diffstat (limited to 'Examples/iofile_example.txt')
| -rw-r--r-- | Examples/iofile_example.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Examples/iofile_example.txt b/Examples/iofile_example.txt new file mode 100644 index 0000000..f4fc476 --- /dev/null +++ b/Examples/iofile_example.txt @@ -0,0 +1,35 @@ +The following is a demonstration of the iofile.d script, + + +Here we run it while a tar command is backing up /var/adm, + + # iofile.d + Tracing... Hit Ctrl-C to end. + ^C + PID CMD TIME FILE + 5206 tar 109 /var/adm/acct/nite + 5206 tar 110 /var/adm/acct/sum + 5206 tar 114 /var/adm/acct/fiscal + 5206 tar 117 /var/adm/messages.3 + 5206 tar 172 /var/adm/sa + 5206 tar 3605 /var/adm/messages.2 + 5206 tar 4548 /var/adm/spellhist + 5206 tar 5769 /var/adm/exacct/brendan1task + 5206 tar 6416 /var/adm/acct + 5206 tar 7587 /var/adm/messages.1 + 5206 tar 8246 /var/adm/exacct/task + 5206 tar 8320 /var/adm/pool + 5206 tar 8973 /var/adm/pool/history + 5206 tar 9183 /var/adm/exacct + 3 fsflush 10882 <none> + 5206 tar 11861 /var/adm/exacct/flow + 5206 tar 12042 /var/adm/messages.0 + 5206 tar 12408 /var/adm/sm.bin + 5206 tar 13021 /var/adm/sulog + 5206 tar 19007 /var/adm/streams + 5206 tar 21811 <none> + 5206 tar 24918 /var/adm/exacct/proc + +In the above output, we can see that the tar command spent 24918 us (25 ms) +waiting for disk I/O on the /var/adm/exacct/proc file. + |
