Commit-ID: b6f35ed774aeaf441e66cfa243fd1dff1321d69e Gitweb: http://git.kernel.org/tip/b6f35ed774aeaf441e66cfa243fd1dff1321d69e Author: Jiri Olsa <[email protected]> AuthorDate: Mon, 1 Aug 2016 20:02:35 +0200 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Tue, 2 Aug 2016 16:33:29 -0300
perf record: Add --sample-cpu option Adding --sample-cpu option to be able to explicitly enable CPU sample type. Currently it's only enable implicitly in case the target is cpu related. It will be useful for following c2c record tool. Signed-off-by: Jiri Olsa <[email protected]> Cc: David Ahern <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/Documentation/perf-record.txt | 3 +++ tools/perf/builtin-record.c | 1 + tools/perf/perf.h | 1 + tools/perf/util/evsel.c | 2 +- 4 files changed, 6 insertions(+), 1 deletion(-) diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 69966ab..379a2be 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -192,6 +192,9 @@ OPTIONS --period:: Record the sample period. +--sample-cpu:: + Record the sample cpu. + -n:: --no-samples:: Don't sample. diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 8f2c16d..6355902 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1434,6 +1434,7 @@ struct option __record_options[] = { OPT_BOOLEAN('s', "stat", &record.opts.inherit_stat, "per thread counts"), OPT_BOOLEAN('d', "data", &record.opts.sample_address, "Record the sample addresses"), + OPT_BOOLEAN(0, "sample-cpu", &record.opts.sample_cpu, "Record the sample cpu"), OPT_BOOLEAN_SET('T', "timestamp", &record.opts.sample_time, &record.opts.sample_time_set, "Record the sample timestamps"), diff --git a/tools/perf/perf.h b/tools/perf/perf.h index a7e0f14..cb0f135 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -52,6 +52,7 @@ struct record_opts { bool sample_weight; bool sample_time; bool sample_time_set; + bool sample_cpu; bool period; bool running_time; bool full_auxtrace; diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 4c2b31d..d9b80ef 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -882,7 +882,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts, perf_evsel__set_sample_bit(evsel, REGS_INTR); } - if (target__has_cpu(&opts->target)) + if (target__has_cpu(&opts->target) || opts->sample_cpu) perf_evsel__set_sample_bit(evsel, CPU); if (opts->period)
