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-rw-r--r--tools/perf/util/build-id.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 0f60a390680..70c5cf87d02 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -6,6 +6,8 @@
* Copyright (C) 2009, 2010 Red Hat Inc.
* Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com>
*/
+#include "util.h"
+#include <stdio.h>
#include "build-id.h"
#include "event.h"
#include "symbol.h"
@@ -37,3 +39,23 @@ struct perf_event_ops build_id__mark_dso_hit_ops = {
.mmap = event__process_mmap,
.fork = event__process_task,
};
+
+char *dso__build_id_filename(struct dso *self, char *bf, size_t size)
+{
+ char build_id_hex[BUILD_ID_SIZE * 2 + 1];
+ const char *home;
+
+ if (!self->has_build_id)
+ return NULL;
+
+ build_id__sprintf(self->build_id, sizeof(self->build_id), build_id_hex);
+ home = getenv("HOME");
+ if (bf == NULL) {
+ if (asprintf(&bf, "%s/%s/.build-id/%.2s/%s", home,
+ DEBUG_CACHE_DIR, build_id_hex, build_id_hex + 2) < 0)
+ return NULL;
+ } else
+ snprintf(bf, size, "%s/%s/.build-id/%.2s/%s", home,
+ DEBUG_CACHE_DIR, build_id_hex, build_id_hex + 2);
+ return bf;
+}