[PATCH 1/3] perf evlist: Add tracepoint lookup by name

From: David Ahern
Date: Mon Aug 26 2013 - 23:52:29 EST


Will be used by upcoming perf-trace replay option.

Signed-off-by: David Ahern <dsahern@xxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
---
tools/perf/util/evlist.c | 15 +++++++++++++++
tools/perf/util/evlist.h | 4 ++++
2 files changed, 19 insertions(+)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 1f5105a..c0e43ee 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -210,6 +210,21 @@ perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id)
return NULL;
}

+struct perf_evsel *
+perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist,
+ const char *name)
+{
+ struct perf_evsel *evsel;
+
+ list_for_each_entry(evsel, &evlist->entries, node) {
+ if ((evsel->attr.type == PERF_TYPE_TRACEPOINT) &&
+ (strcmp(evsel->name, name) == 0))
+ return evsel;
+ }
+
+ return NULL;
+}
+
int perf_evlist__add_newtp(struct perf_evlist *evlist,
const char *sys, const char *name, void *handler)
{
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 327abab..8a509e2 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -71,6 +71,10 @@ int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter);
struct perf_evsel *
perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id);

+struct perf_evsel *
+perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist,
+ const char *name);
+
void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
int cpu, int thread, u64 id);

--
1.7.10.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/