perf_3.2-lock1
Analyze lock events
Usage
perf lock
{record | report | trace}
Overview
You can analyze various lock behaviours and statistics with this perf lock command.
'perf lock record <command>' records lock events between start and end <command>. And this command produces the file "perf.data" which contains tracing results of lock events.
'perf lock trace' shows raw lock events.
'perf lock report' reports statistical data.
Options
-
-i, --input=<file> -
Input file name.
-
-v, --verbose -
Be more verbose (show symbol address, etc).
-
-D, --dump-raw-trace -
Dump raw trace in ASCII.
Options
-
-k, --key=<value> -
Sorting key. Possible values: acquired (default), contended, wait_total, wait_max, wait_min.