Commit-ID: 2b56bcfb6f4bb0aa0813b6ee1dde8f5b23fce5d4 Gitweb: http://git.kernel.org/tip/2b56bcfb6f4bb0aa0813b6ee1dde8f5b23fce5d4 Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Wed, 17 Jun 2015 16:40:26 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Wed, 17 Jun 2015 16:40:26 -0300
perf evlist: Add toggle_enable() method For an upcoming feature in 'perf top' we will have a hotkey to enable/disable events, so remember if the events in the list are enabled or disabled and allows toggling this state using a new method. Cc: Adrian Hunter <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: David Ahern <[email protected]> Cc: Don Zickus <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/util/evlist.c | 9 +++++++++ tools/perf/util/evlist.h | 2 ++ 2 files changed, 11 insertions(+) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 6b58a47..8366511 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -297,6 +297,8 @@ void perf_evlist__disable(struct perf_evlist *evlist) PERF_EVENT_IOC_DISABLE, 0); } } + + evlist->enabled = false; } void perf_evlist__enable(struct perf_evlist *evlist) @@ -316,6 +318,13 @@ void perf_evlist__enable(struct perf_evlist *evlist) PERF_EVENT_IOC_ENABLE, 0); } } + + evlist->enabled = true; +} + +void perf_evlist__toggle_enable(struct perf_evlist *evlist) +{ + (evlist->enabled ? perf_evlist__disable : perf_evlist__enable)(evlist); } int perf_evlist__disable_event(struct perf_evlist *evlist, diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 955bf31..a8489b9 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -41,6 +41,7 @@ struct perf_evlist { int nr_groups; int nr_mmaps; bool overwrite; + bool enabled; size_t mmap_len; int id_pos; int is_pos; @@ -139,6 +140,7 @@ void perf_evlist__munmap(struct perf_evlist *evlist); void perf_evlist__disable(struct perf_evlist *evlist); void perf_evlist__enable(struct perf_evlist *evlist); +void perf_evlist__toggle_enable(struct perf_evlist *evlist); int perf_evlist__disable_event(struct perf_evlist *evlist, struct perf_evsel *evsel); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
