PERF-LOCK(1) perf Manual PERF-LOCK(1)NAME
perf-lock - Analyze lock events
SYNOPSIS
perf lock {record|report|script|info}
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 report´ reports statistical data.
´perf lock script´ shows raw lock events.
´perf lock info´ shows metadata like threads or addresses
of lock instances.
COMMON OPTIONS-i, --input=<file>
Input file name. (default: perf.data unless stdin is a fifo)
-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.
INFO OPTIONS-t, --threads
dump thread list in perf.data
-m, --map
dump map of lock instances (address:name table)
SEE ALSOperf(1)perf 11/21/2013 PERF-LOCK(1)