анализировать события блокировки (Analyze lock events)
Имя (Name)
perf-lock - Analyze lock events
Синопсис (Synopsis)
perf lock {record|report|script|info}
Описание (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.
Общие параметры (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)
Смотри также (See also)
perf(1)
