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70 lines
1.2 KiB
70 lines
1.2 KiB
perf-lock(1) |
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============ |
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NAME |
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---- |
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perf-lock - Analyze lock events |
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SYNOPSIS |
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-------- |
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[verse] |
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'perf lock' {record|report|script|info} |
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DESCRIPTION |
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----------- |
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You can analyze various lock behaviours |
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and statistics with this 'perf lock' command. |
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'perf lock record <command>' records lock events |
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between start and end <command>. And this command |
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produces the file "perf.data" which contains tracing |
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results of lock events. |
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'perf lock report' reports statistical data. |
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'perf lock script' shows raw lock events. |
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'perf lock info' shows metadata like threads or addresses |
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of lock instances. |
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COMMON OPTIONS |
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-------------- |
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-i:: |
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--input=<file>:: |
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Input file name. (default: perf.data unless stdin is a fifo) |
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-v:: |
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--verbose:: |
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Be more verbose (show symbol address, etc). |
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-D:: |
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--dump-raw-trace:: |
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Dump raw trace in ASCII. |
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-f:: |
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--force:: |
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Don't complan, do it. |
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REPORT OPTIONS |
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-------------- |
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-k:: |
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--key=<value>:: |
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Sorting key. Possible values: acquired (default), contended, |
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avg_wait, wait_total, wait_max, wait_min. |
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INFO OPTIONS |
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------------ |
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-t:: |
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--threads:: |
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dump thread list in perf.data |
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-m:: |
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--map:: |
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dump map of lock instances (address:name table) |
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SEE ALSO |
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-------- |
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linkperf:perf[1]
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