table of contents
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.
-f, --force
Don’t complan, do it.
REPORT OPTIONS¶
-k, --key=<value>
Sorting key. Possible values: acquired (default),
contended, avg_wait, 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 ALSO¶
06/04/2024 | perf |