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| author | Tomas Glozar <tglozar@redhat.com> | 2025-01-23 17:23:37 +0300 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2025-01-24 21:46:24 +0300 |
| commit | 2aee44f721a75daebc55c372271221286efd79ec (patch) | |
| tree | 666d45d48292b7b14d0d48c9cd7b5c276943c272 | |
| parent | d6fcd28ffeaaa6a1733303096637e6bf15704efb (diff) | |
| download | linux-2aee44f721a75daebc55c372271221286efd79ec.tar.xz | |
rtla: Count all processed events
Add a field processed_events to struct trace_instance and increment it
in collect_registered_events, regardless of whether a handler is
registered for the event.
The purpose is to calculate the percentage of events that were missed
due to tracefs buffer overflow.
Cc: John Kacur <jkacur@redhat.com>
Cc: Luis Goncalves <lgoncalv@redhat.com>
Cc: Gabriele Monaco <gmonaco@redhat.com>
Link: https://lore.kernel.org/20250123142339.990300-3-tglozar@redhat.com
Signed-off-by: Tomas Glozar <tglozar@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
| -rw-r--r-- | tools/tracing/rtla/src/trace.c | 4 | ||||
| -rw-r--r-- | tools/tracing/rtla/src/trace.h | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/tools/tracing/rtla/src/trace.c b/tools/tracing/rtla/src/trace.c index 94e490782f14..728f5029d533 100644 --- a/tools/tracing/rtla/src/trace.c +++ b/tools/tracing/rtla/src/trace.c @@ -118,6 +118,8 @@ collect_registered_events(struct tep_event *event, struct tep_record *record, struct trace_instance *trace = context; struct trace_seq *s = trace->seq; + trace->processed_events++; + if (!event->handler) return 0; @@ -215,6 +217,8 @@ int trace_instance_init(struct trace_instance *trace, char *tool_name) collect_missed_events, trace); + trace->processed_events = 0; + return 0; out_err: diff --git a/tools/tracing/rtla/src/trace.h b/tools/tracing/rtla/src/trace.h index a6e88709604b..3cd40dd3f06c 100644 --- a/tools/tracing/rtla/src/trace.h +++ b/tools/tracing/rtla/src/trace.h @@ -18,6 +18,7 @@ struct trace_instance { struct tep_handle *tep; struct trace_seq *seq; unsigned long long missed_events; + unsigned long long processed_events; }; int trace_instance_init(struct trace_instance *trace, char *tool_name); |