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| author | Yun Zhou <yun.zhou@windriver.com> | 2026-09-24 11:01:08 +0800 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2026-10-15 20:12:49 -0400 |
| commit | 1054e526ce4e428562b8084f6ee4ef1721a5675c (patch) | |
| tree | d37c9aeacb666194d8b07c81ec183d2abec6a2e8 /tools/perf/scripts/python | |
| parent | 188a5bfd876a46d4e465542683f83079edf537bf (diff) | |
ftrace: Add max field to function profiler stats
The function profiler (trace_stat/function<cpu>) reports Hit, Time,
Avg and s^2 per function. Add a "max" field recording the maximum
single-call duration, which is valuable for real-time tuning and for
investigating occasional latency spikes.
Like Time/Avg, it honors the graph-time and sleep-time options, so it
reflects entry-to-return wall-clock latency.
Link: https://patch.msgid.link/20260924030108.2673654-1-yun.zhou@windriver.com
Signed-off-by: Yun Zhou <yun.zhou@windriver.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions