1 files changed, 27 insertions, 0 deletions

diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 805d1f52c5b4..59d868add275 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -17,6 +17,8 @@ bool test_attr__enabled;
 bool perf_host  = true;
 bool perf_guest = false;
 
+char tracing_events_path[PATH_MAX + 1] = "/sys/kernel/debug/tracing/events";
+
 void event_attr_init(struct perf_event_attr *attr)
 {
         if (!perf_host)
@@ -242,3 +244,28 @@ void get_term_dimensions(struct winsize *ws)
         ws->ws_row = 25;
         ws->ws_col = 80;
 }
+
+static void set_tracing_events_path(const char *mountpoint)
+{
+        snprintf(tracing_events_path, sizeof(tracing_events_path), "%s/%s",
+                 mountpoint, "tracing/events");
+}
+
+const char *perf_debugfs_mount(const char *mountpoint)
+{
+        const char *mnt;
+
+        mnt = debugfs_mount(mountpoint);
+        if (!mnt)
+                return NULL;
+
+        set_tracing_events_path(mnt);
+
+        return mnt;
+}
+
+void perf_debugfs_set_path(const char *mntpt)
+{
+        snprintf(debugfs_mountpoint, strlen(debugfs_mountpoint), "%s", mntpt);
+        set_tracing_events_path(mntpt);
+}