PERF−LOCK - Online Linux Manual PageSection : 1
Updated : 03/30/2021
Source : perf
Note : perf Manual

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NAMEperf-lock − Analyze lock events

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SYNOPSISperf lock {record|report|script|info}

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DESCRIPTIONYou 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​.

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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​.

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REPORT OPTIONS−k, −−key=<value> Sorting key​. Possible values: acquired (default), contended, avg_wait, wait_total, wait_max, wait_min​.

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INFO OPTIONS−t, −−threads dump thread list in perf​.data −m, −−map dump map of lock instances (address:name table)

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SEE ALSOperf(1) 0

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