diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-11-13 17:27:28 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-11-14 16:53:45 -0300 |
| commit | 07ac002f2fcc74c5be47b656d9201d5de84dc53d (patch) | |
| tree | 6f43107a76ed87f2b817594d2d62246ab82cfba6 /tools/perf/util | |
| parent | 1483c2ae90738e7453bfe446a3bbcdd0ba9abf36 (diff) | |
| download | blackbird-op-linux-07ac002f2fcc74c5be47b656d9201d5de84dc53d.tar.gz blackbird-op-linux-07ac002f2fcc74c5be47b656d9201d5de84dc53d.zip | |
perf evsel: Introduce is_group_member method
To clarify what is being tested, instead of assuming that evsel->leader
== NULL means either an 'isolated' evsel or a 'group leader'.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-lvdbvimaxw9nc5een5vmem0c@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/evlist.c | 4 | ||||
| -rw-r--r-- | tools/perf/util/evsel.c | 6 | ||||
| -rw-r--r-- | tools/perf/util/evsel.h | 6 |
3 files changed, 11 insertions, 5 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index e9d2d5da2fb8..705293489e3c 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -222,7 +222,7 @@ void perf_evlist__disable(struct perf_evlist *evlist) for (cpu = 0; cpu < evlist->cpus->nr; cpu++) { list_for_each_entry(pos, &evlist->entries, node) { - if (pos->leader) + if (perf_evsel__is_group_member(pos)) continue; for (thread = 0; thread < evlist->threads->nr; thread++) ioctl(FD(pos, cpu, thread), @@ -238,7 +238,7 @@ void perf_evlist__enable(struct perf_evlist *evlist) for (cpu = 0; cpu < cpu_map__nr(evlist->cpus); cpu++) { list_for_each_entry(pos, &evlist->entries, node) { - if (pos->leader) + if (perf_evsel__is_group_member(pos)) continue; for (thread = 0; thread < evlist->threads->nr; thread++) ioctl(FD(pos, cpu, thread), diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index fc4faaa7afb9..1fb636c550a1 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -519,14 +519,14 @@ void perf_evsel__config(struct perf_evsel *evsel, * Disabling only independent events or group leaders, * keeping group members enabled. */ - if (!evsel->leader) + if (!perf_evsel__is_group_member(evsel)) attr->disabled = 1; /* * Setting enable_on_exec for independent events and * group leaders for traced executed by perf. */ - if (perf_target__none(&opts->target) && (!evsel->leader)) + if (perf_target__none(&opts->target) && !perf_evsel__is_group_member(evsel)) attr->enable_on_exec = 1; } @@ -707,7 +707,7 @@ static int get_group_fd(struct perf_evsel *evsel, int cpu, int thread) struct perf_evsel *leader = evsel->leader; int fd; - if (!leader) + if (!perf_evsel__is_group_member(evsel)) return -1; /* diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 32d7ec78dedc..a4c1dd4e149f 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -3,6 +3,7 @@ #include <linux/list.h> #include <stdbool.h> +#include <stddef.h> #include "../../../include/uapi/linux/perf_event.h" #include "types.h" #include "xyarray.h" @@ -224,4 +225,9 @@ static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) { return list_entry(evsel->node.next, struct perf_evsel, node); } + +static inline bool perf_evsel__is_group_member(const struct perf_evsel *evsel) +{ + return evsel->leader != NULL; +} #endif /* __PERF_EVSEL_H */ |
