Store event IDs in evlist object so it get stored
into perf.data file.

Also making perf_evlist__id_add_fd global.

Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Jiri Olsa <[email protected]>
---
 tools/perf/builtin-stat.c | 35 +++++++++++++++++++++++++++++++++++
 tools/perf/util/evlist.c  |  6 +++---
 tools/perf/util/evlist.h  |  3 +++
 3 files changed, 41 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index dd986b14b985..39a6ecd532b6 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -320,6 +320,38 @@ static int perf_stat_synthesize_config(void)
        return 0;
 }
 
+#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
+
+static int __store_counter_ids(struct perf_evsel *counter,
+                              struct cpu_map *cpus,
+                              struct thread_map *threads)
+{
+       int cpu, thread;
+
+       for (cpu = 0; cpu < cpus->nr; cpu++) {
+               for (thread = 0; thread < threads->nr; thread++) {
+                       int fd = FD(counter, cpu, thread);
+
+                       if (perf_evlist__id_add_fd(evsel_list, counter,
+                                                  cpu, thread, fd) < 0)
+                               return -1;
+               }
+       }
+
+       return 0;
+}
+
+static int store_counter_ids(struct perf_evsel *counter)
+{
+       struct cpu_map *cpus = counter->cpus;
+       struct thread_map *threads = counter->threads;
+
+       if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr))
+               return -ENOMEM;
+
+       return __store_counter_ids(counter, cpus, threads);
+}
+
 static int __run_perf_stat(int argc, const char **argv)
 {
        int interval = stat_config.interval;
@@ -384,6 +416,9 @@ static int __run_perf_stat(int argc, const char **argv)
                l = strlen(counter->unit);
                if (l > unit_width)
                        unit_width = l;
+
+               if (STAT_RECORD && store_counter_ids(counter))
+                       return -1;
        }
 
        if (perf_evlist__apply_filters(evsel_list, &counter)) {
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index d1392194a9a9..8069a6a588df 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -550,9 +550,9 @@ void perf_evlist__id_add(struct perf_evlist *evlist, struct 
perf_evsel *evsel,
        evsel->id[evsel->ids++] = id;
 }
 
-static int perf_evlist__id_add_fd(struct perf_evlist *evlist,
-                                 struct perf_evsel *evsel,
-                                 int cpu, int thread, int fd)
+int perf_evlist__id_add_fd(struct perf_evlist *evlist,
+                          struct perf_evsel *evsel,
+                          int cpu, int thread, int fd)
 {
        u64 read_data[4] = { 0, };
        int id_idx = 1; /* The first entry is the counter value */
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index a459fe71b452..139a50038097 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -97,6 +97,9 @@ perf_evlist__find_tracepoint_by_name(struct perf_evlist 
*evlist,
 
 void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
                         int cpu, int thread, u64 id);
+int perf_evlist__id_add_fd(struct perf_evlist *evlist,
+                          struct perf_evsel *evsel,
+                          int cpu, int thread, int fd);
 
 int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
 int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
-- 
2.4.3

--
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/

Reply via email to