Messages in this thread Patch in this message | | | From | Adrian Hunter <> | Subject | [PATCH V4 06/15] perf record: Use evlist__add_dummy_on_all_cpus() in record__config_text_poke() | Date | Tue, 24 May 2022 10:54:27 +0300 |
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Use evlist__add_dummy_on_all_cpus() in record__config_text_poke() in preparation for allowing system-wide events on all CPUs while the user requested events are on only user requested CPUs.
Acked-by: Ian Rogers <irogers@google.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- tools/perf/builtin-record.c | 21 +++------------------ 1 file changed, 3 insertions(+), 18 deletions(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index a5cf6a99d67f..c8a79f3a8dff 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -869,7 +869,6 @@ static int record__auxtrace_init(struct record *rec __maybe_unused) static int record__config_text_poke(struct evlist *evlist) { struct evsel *evsel; - int err; /* Nothing to do if text poke is already configured */ evlist__for_each_entry(evlist, evsel) { @@ -877,27 +876,13 @@ static int record__config_text_poke(struct evlist *evlist) return 0; } - err = parse_events(evlist, "dummy:u", NULL); - if (err) - return err; - - evsel = evlist__last(evlist); + evsel = evlist__add_dummy_on_all_cpus(evlist); + if (!evsel) + return -ENOMEM; - evsel->core.attr.freq = 0; - evsel->core.attr.sample_period = 1; evsel->core.attr.text_poke = 1; evsel->core.attr.ksymbol = 1; - - evsel->core.system_wide = true; - evsel->no_aux_samples = true; evsel->immediate = true; - - /* Text poke must be collected on all CPUs */ - perf_cpu_map__put(evsel->core.own_cpus); - evsel->core.own_cpus = perf_cpu_map__new(NULL); - perf_cpu_map__put(evsel->core.cpus); - evsel->core.cpus = perf_cpu_map__get(evsel->core.own_cpus); - evsel__set_sample_bit(evsel, TIME); return 0; -- 2.25.1
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