perf record: Print event causing perf_event_open() to fail

[platform/adaptation/renesas_rcar/renesas_kernel.git] / tools / perf / builtin-record.c

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index c643ed6..2cb7434 100644 (file)
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -297,8 +297,10 @@ try_again:
                        }
 
                        printf("\n");
-                       error("sys_perf_event_open() syscall returned with %d (%s).  /bin/dmesg may provide additional information.\n",
-                             err, strerror(err));
+                       error("sys_perf_event_open() syscall returned with %d "
+                             "(%s) for event %s. /bin/dmesg may provide "
+                             "additional information.\n",
+                             err, strerror(err), perf_evsel__name(pos));
 
 #if defined(__i386__) || defined(__x86_64__)
                        if (attr->type == PERF_TYPE_HARDWARE &&