perf tools: Make perf aware of tracefs

[karo-tx-linux.git] / tools / perf / tests / open-syscall-all-cpus.c

diff --git a/tools/perf/tests/open-syscall-all-cpus.c b/tools/perf/tests/open-syscall-all-cpus.c
index 8fa82d1700c725f13519ef24ca4a8fbe8b235ea3..3ec885c48f8fbcc77bdeaf0891fa54a2aa3935bc 100644 (file)
--- a/tools/perf/tests/open-syscall-all-cpus.c
+++ b/tools/perf/tests/open-syscall-all-cpus.c
@@ -29,7 +29,12 @@ int test__open_syscall_event_on_all_cpus(void)
 
        evsel = perf_evsel__newtp("syscalls", "sys_enter_open");
        if (evsel == NULL) {
-               pr_debug("is debugfs mounted on /sys/kernel/debug?\n");
+               if (tracefs_configured())
+                       pr_debug("is tracefs mounted on /sys/kernel/tracing?\n");
+               else if (debugfs_configured())
+                       pr_debug("is debugfs mounted on /sys/kernel/debug?\n");
+               else
+                       pr_debug("Neither tracefs or debugfs is enabled in this kernel\n");
                goto out_thread_map_delete;
        }