xref: /linux-tools/perf/contextswitch/README.MD (revision d6306060b90f9f40f7b36b2c6857d189675a1782)
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