diff options
| author | SeongJae Park <sj@kernel.org> | 2025-07-04 15:14:08 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-07-13 16:38:33 -0700 |
| commit | a86d695193bfab3f130f9275c275e4e143dcd2e3 (patch) | |
| tree | 3c607ceaa223ff64806ab26d1e62b8fd6872a989 /include/trace | |
| parent | 214db70287277096e77d804284066ce1c07297dd (diff) | |
mm/damon: add trace event for effective size quota
Aim-oriented DAMOS quota auto-tuning is an important and recommended
feature for DAMOS users. Add a trace event for the observability of the
tuned quota and tuning itself.
[sj@kernel.org: initialize sidx in damos_trace_esz()]
Link: https://lkml.kernel.org/r/20250705172003.52324-1-sj@kernel.org
[sj@kernel.org: make damos_esz unconditional trace event]
Link: https://lkml.kernel.org/r/20250709182843.35812-1-sj@kernel.org
Link: https://lkml.kernel.org/r/20250704221408.38510-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: kernel test robot <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/damon.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/trace/events/damon.h b/include/trace/events/damon.h index 32c611076023..852d725afea2 100644 --- a/include/trace/events/damon.h +++ b/include/trace/events/damon.h @@ -9,6 +9,30 @@ #include <linux/types.h> #include <linux/tracepoint.h> +TRACE_EVENT(damos_esz, + + TP_PROTO(unsigned int context_idx, unsigned int scheme_idx, + unsigned long esz), + + TP_ARGS(context_idx, scheme_idx, esz), + + TP_STRUCT__entry( + __field(unsigned int, context_idx) + __field(unsigned int, scheme_idx) + __field(unsigned long, esz) + ), + + TP_fast_assign( + __entry->context_idx = context_idx; + __entry->scheme_idx = scheme_idx; + __entry->esz = esz; + ), + + TP_printk("ctx_idx=%u scheme_idx=%u esz=%lu", + __entry->context_idx, __entry->scheme_idx, + __entry->esz) +); + TRACE_EVENT_CONDITION(damos_before_apply, TP_PROTO(unsigned int context_idx, unsigned int scheme_idx, |