diff options
| author | Steven Rostedt (Google) <rostedt@goodmis.org> | 2022-09-07 00:53:14 +0200 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2022-09-26 19:01:09 +0200 |
| commit | b7b037eb5f548cc947e743d456d66eb110316f1e (patch) | |
| tree | 8013c24d87ad7dcd107596bac7cd1827154979b3 /kernel/trace/trace_benchmark.c | |
| parent | rv/dot2K: add 'static' qualifier for local variable (diff) | |
| download | linux-b7b037eb5f548cc947e743d456d66eb110316f1e.tar.xz linux-b7b037eb5f548cc947e743d456d66eb110316f1e.zip | |
tracing: Add numeric delta time to the trace event benchmark
In order to testing filtering and histograms via the trace event
benchmark, record the delta time of the last event as a numeric value
(currently, it just saves it within the string) so that filters and
histograms can use it.
Link: https://lkml.kernel.org/r/20220906225529.213677569@goodmis.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_benchmark.c')
| -rw-r--r-- | kernel/trace/trace_benchmark.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace_benchmark.c b/kernel/trace/trace_benchmark.c index 801c2a7f7605..54d5fa35c90a 100644 --- a/kernel/trace/trace_benchmark.c +++ b/kernel/trace/trace_benchmark.c @@ -51,7 +51,7 @@ static void trace_do_benchmark(void) local_irq_disable(); start = trace_clock_local(); - trace_benchmark_event(bm_str); + trace_benchmark_event(bm_str, bm_last); stop = trace_clock_local(); local_irq_enable(); |