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Commit 2b56bcfb authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

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 <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-64c4jvdl5feg2zhimxvokqka@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 7951722d

tools/perf/util/evlist.c

+9 −0
Original line number Original line Diff line number Diff line
@@ -297,6 +297,8 @@ void perf_evlist__disable(struct perf_evlist *evlist) 
				      PERF_EVENT_IOC_DISABLE, 0);

				      PERF_EVENT_IOC_DISABLE, 0);

		}

		}

	}

	}



	evlist->enabled = false;

}

}





void perf_evlist__enable(struct perf_evlist *evlist)

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);

				      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,

int perf_evlist__disable_event(struct perf_evlist *evlist,

tools/perf/util/evlist.h

+2 −0
Original line number Original line Diff line number Diff line
@@ -41,6 +41,7 @@ struct perf_evlist { 
	int		 nr_groups;

	int		 nr_groups;

	int		 nr_mmaps;

	int		 nr_mmaps;

	bool		 overwrite;

	bool		 overwrite;

	bool		 enabled;

	size_t		 mmap_len;

	size_t		 mmap_len;

	int		 id_pos;

	int		 id_pos;

	int		 is_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__disable(struct perf_evlist *evlist);

void perf_evlist__enable(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,

int perf_evlist__disable_event(struct perf_evlist *evlist,

			       struct perf_evsel *evsel);

			       struct perf_evsel *evsel);