From: Tomas Glozar Date: Thu, 23 Jan 2025 14:23:37 +0000 (+0100) Subject: rtla: Count all processed events X-Git-Tag: v6.14-rc1~83^2~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2aee44f721a75daebc55c372271221286efd79ec;p=thirdparty%2Fkernel%2Flinux.git 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 Cc: Luis Goncalves Cc: Gabriele Monaco Link: https://lore.kernel.org/20250123142339.990300-3-tglozar@redhat.com Signed-off-by: Tomas Glozar Signed-off-by: Steven Rostedt (Google) --- diff --git a/tools/tracing/rtla/src/trace.c b/tools/tracing/rtla/src/trace.c index 94e490782f141..728f5029d5335 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 a6e88709604b0..3cd40dd3f06c3 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);