perf tools: Make test use the preset debugfs path

Use preset debugfs path instead of hardcoded one.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: acme@redhat.com
Cc: a.p.zijlstra@chello.nl
Cc: paulus@samba.org
Link: http://lkml.kernel.org/r/1310635534-4013-4-git-send-email-jolsa@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index b5cd5f5..55f4c76 100644 (file)
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -246,8 +246,8 @@ static int trace_event__id(const char *evname)
        int err = -1, fd;
 
        if (asprintf(&filename,
-                    "/sys/kernel/debug/tracing/events/syscalls/%s/id",
-                    evname) < 0)
+                    "%s/syscalls/%s/id",
+                    debugfs_path, evname) < 0)
                return -1;
 
        fd = open(filename, O_RDONLY);