xref: /linux-tools/perf/contextswitch/README.MD (revision 8b1d656efaea4bf52ca12539e1b6e39d079e170b)
1# Using context-switch perf event to collect interesting stats
2
3## perf_cxt_switch_1
4Simply report how many context-switch happened per second.
5
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.
9
10## perf_cxt_switch_3
11Profiling when context-switch happened, answering the question: what I was doing when I was interrupted.
12