perf tools: Show event fd in debug output

[linux-2.6-block.git] / tools / perf / util / evsel.c

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index e58a2fbf3b160c2acd827d0c6b9aeca5a0c8f1ce..b2365a63db45c16f62c13093f55187f78ffd9c12 100644 (file)
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1481,7 +1481,7 @@ retry_sample_id:
 
                        group_fd = get_group_fd(evsel, cpu, thread);
 retry_open:
-                       pr_debug2("sys_perf_event_open: pid %d  cpu %d  group_fd %d  flags %#lx\n",
+                       pr_debug2("sys_perf_event_open: pid %d  cpu %d  group_fd %d  flags %#lx",
                                  pid, cpus->map[cpu], group_fd, flags);
 
                        FD(evsel, cpu, thread) = sys_perf_event_open(&evsel->attr,
@@ -1490,11 +1490,13 @@ retry_open:
                                                                     group_fd, flags);
                        if (FD(evsel, cpu, thread) < 0) {
                                err = -errno;
-                               pr_debug2("sys_perf_event_open failed, error %d\n",
+                               pr_debug2("\nsys_perf_event_open failed, error %d\n",
                                          err);
                                goto try_fallback;
                        }
 
+                       pr_debug2(" = %d\n", FD(evsel, cpu, thread));
+
                        if (evsel->bpf_fd >= 0) {
                                int evt_fd = FD(evsel, cpu, thread);
                                int bpf_fd = evsel->bpf_fd;