Reference

perf_3.2-lock(1)

Analyze lock events

NAME

perf-lock - Analyze lock events

SYNOPSIS

perf lock {record|report|trace}

DESCRIPTION

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.

COMMON 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.

REPORT OPTIONS

-k, --key=<value>

Sorting key. Possible values: acquired (default), contended, wait_total, wait_max, wait_min.

SEE ALSO

perf(1)