---

yaml
---
r: 163775
b: refs/heads/master
c: 8b41266
h: refs/heads/master
i:
  163773: 8f7c3db
  163771: 36f480e
  163767: 1d46efc
  163759: 05f2e27
  163743: d64db90
  163711: cd5a55b
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2667de81f3256c944b06abdf2c56c2f192fcb724
+refs/heads/master: 8b412664d0a487c2e16ac43f4fcede346df33254

trunk/tools/perf/builtin-record.c

@@ -524,6 +524,7 @@ static int __cmd_record(int argc, const char **argv)
 	pid_t pid = 0;
 	int flags;
 	int ret;
+	unsigned long waking = 0;
 
 	page_size = sysconf(_SC_PAGE_SIZE);
 	nr_cpus = sysconf(_SC_NPROCESSORS_ONLN);
@@ -634,10 +635,20 @@ static int __cmd_record(int argc, const char **argv)
 		if (hits == samples) {
 			if (done)
 				break;
-			ret = poll(event_array, nr_poll, 100);
+			ret = poll(event_array, nr_poll, -1);
+			waking++;
+		}
+
+		if (done) {
+			for (i = 0; i < nr_cpu; i++) {
+				for (counter = 0; counter < nr_counters; counter++)
+					ioctl(fd[i][counter], PERF_COUNTER_IOC_DISABLE);
+			}
 		}
 	}
 
+	fprintf(stderr, "[ perf record: Woken up %ld times to write data ]\n", waking);
+
 	/*
 	 * Approximate RIP event size: 24 bytes.
 	 */