Perf: Difference between revisions
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For those put off by the baroque interface and daunting learning curve of [[Oprofile]], Ingo Molnár's perf tool (included with the linux kernel since at least version 2.6.30 in <tt>tools/perf</tt>) is a quick and easy way to get data from x86's [[Performance Counters|performance counters]]. | For those put off by the baroque interface and daunting learning curve of [[Oprofile]], Ingo Molnár's perf tool (included with the linux kernel since at least version 2.6.30 in <tt>tools/perf</tt>) is a quick and easy way to get data from x86's [[Performance Counters|performance counters]]. | ||
You need to have <tt>CONFIG_LOCKDEP</tt> and <tt>CONFIG_LOCK_STAT</tt> enabled to use <tt>perf lock</tt>. | |||
==perf stat== | ==perf stat== | ||