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.
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¶
05/02/2024 | perf |