diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 1c7e50f62b1fe221edd7d97966c52633a375eb71..cae75c11120f1d8dcfbe1a82551381903fb09601 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -241,6 +241,9 @@ Capture machine state (registers) at interrupt, i.e., on counter overflows for each sample. List of captured registers depends on the architecture. This option is off by default. +--running-time:: +Record running and enabled time for read events (:S) + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-list[1] diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index d0d02a811ecd69aa3c6cc58fdb4fb51315bafe9b..4fdad06d37dbc7e8f7f9fd5d8d4ba7f92b28d25d 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -839,6 +839,8 @@ struct option __record_options[] = { "use per-thread mmaps"), OPT_BOOLEAN('I', "intr-regs", &record.opts.sample_intr_regs, "Sample machine registers on interrupt"), + OPT_BOOLEAN(0, "running-time", &record.opts.running_time, + "Record running/enabled time of read (:S) events"), OPT_END() }; diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 1dabb855349978de385f45690499d83f86e10580..1caa70a4a9e1bb96b759f02de14ab3aabe257b33 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -53,6 +53,7 @@ struct record_opts { bool sample_time; bool period; bool sample_intr_regs; + bool running_time; unsigned int freq; unsigned int mmap_pages; unsigned int user_freq; diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index f93e5208c76260c8dc40aafd7b9c241dc62a79d2..bb4eff28869eb3513a8558159cc9a73c408ea445 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -734,6 +734,12 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts) if (opts->sample_transaction) perf_evsel__set_sample_bit(evsel, TRANSACTION); + if (opts->running_time) { + evsel->attr.read_format |= + PERF_FORMAT_TOTAL_TIME_ENABLED | + PERF_FORMAT_TOTAL_TIME_RUNNING; + } + /* * XXX see the function comment above *