xref: /linux-tools/perf/contextswitch/README.MD (revision c995a2d01ec016e07a0052d1d0b650e51fec4753)
1# Using context-switch perf event to collect interesting stats
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3## perf_cxt_switch_1
4Simply report how many context-switch happened per second.
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6## perf_cxt_switch_2
7Collect information about which cgroup, keyed by hostname, is now having a process directly contending with current cgroup.
8When the program is stopped, via `Ctrl+C`, a report would be generated indicating which group has most direct impact.
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10## perf_cxt_switch_3
11Profiling when context-switch happened, answering the question: what I was doing when I was interrupted.
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