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Fix typo, add stub test and a little more docu.

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Daniel Nichter
2011-12-27 16:39:56 -07:00
parent d6c8351057
commit ba8e64d81d
2 changed files with 33 additions and 1 deletions
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10
bin/pt-ioprofile
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@@ -678,7 +678,15 @@ See also L<"BUGS"> for more information on filing bugs and getting help.
=head1 DESCRIPTION
pt-iostats uses strace and lsof to watch a process's IO and print out
a table of files and I/O activity.
a table of files and I/O activity. By default, it watches the mysqld
process for 30 seconds. The output is like:
Tue Dec 27 15:33:57 PST 2011
Tracing process ID 1833
total read write lseek ftruncate filename
0.000150 0.000029 0.000068 0.000038 0.000015 /tmp/ibBE5opS
You probably need to run this tool as root.
=head1 OPTIONS