xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

perf tools: Add event_update event cpus type

Browse Source 
Adding the cpumask 'event update' event, that stores/transfer the
cpumask for a event.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-25-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2015-10-25 15:51:40 +01:00
committed by Arnaldo Carvalho de Melo
parent 802c9048b8
commit 86ebb09f96
4 changed files with 79 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
tools/perf/util/header.c
View File

@@ -2762,6 +2762,38 @@ perf_event__synthesize_event_update_name(struct perf_tool *tool,
return err;
}
int
perf_event__synthesize_event_update_cpus(struct perf_tool *tool,
struct perf_evsel *evsel,
perf_event__handler_t process)
{
size_t size = sizeof(struct event_update_event);
struct event_update_event *ev;
int max, err;
u16 type;
if (!evsel->own_cpus)
return 0;
ev = cpu_map_data__alloc(evsel->own_cpus, &size, &type, &max);
if (!ev)
return -ENOMEM;
ev->header.type = PERF_RECORD_EVENT_UPDATE;
ev->header.size = (u16)size;
ev->type = PERF_EVENT_UPDATE__CPUS;
ev->id = evsel->id[0];
cpu_map_data__synthesize((struct cpu_map_data *) ev->data,
evsel->own_cpus,
type, max);
err = process(tool, (union perf_event*) ev, NULL, NULL);
free(ev);
return err;
}
int perf_event__synthesize_attrs(struct perf_tool *tool,
struct perf_session *session,
perf_event__handler_t process)
@@ -2827,8 +2859,10 @@ int perf_event__process_event_update(struct perf_tool *tool __maybe_unused,
{
struct event_update_event *ev = &event->event_update;
struct event_update_event_scale *ev_scale;
struct event_update_event_cpus *ev_cpus;
struct perf_evlist *evlist;
struct perf_evsel *evsel;
struct cpu_map *map;
if (!pevlist || *pevlist == NULL)
return -EINVAL;
@@ -2849,6 +2883,14 @@ int perf_event__process_event_update(struct perf_tool *tool __maybe_unused,
case PERF_EVENT_UPDATE__SCALE:
ev_scale = (struct event_update_event_scale *) ev->data;
evsel->scale = ev_scale->scale;
case PERF_EVENT_UPDATE__CPUS:
ev_cpus = (struct event_update_event_cpus *) ev->data;
map = cpu_map__new_data(&ev_cpus->cpus);
if (map)
evsel->own_cpus = map;
else
pr_err("failed to get event_update cpus\n");
default:
break;
}