From 2bbfa46a065dacaa069accf4748e3cf6769d6441 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 17 Sep 2009 19:59:05 +0200
Subject: [PATCH] --- yaml --- r: 163775 b: refs/heads/master c:
 8b412664d0a487c2e16ac43f4fcede346df33254 h: refs/heads/master i:   163773:
 8f7c3db856e72ee62b081601020caac69dcb01ac   163771:
 36f480ebf2832ac83da4a5c9f2ccbef4ec99d7dd   163767:
 1d46efc9e64ce7454a43663b71530546617e34a3   163759:
 05f2e27da01c5ee00bd4903469cd3bd607db1504   163743:
 d64db90b4c2f3b10700df34c648a452fa9f70117   163711:
 cd5a55b328aa03db50f29a5b7283bef52f353b8d v: v3

---
 [refs]                            |  2 +-
 trunk/tools/perf/builtin-record.c | 13 ++++++++++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 8e0b100290b8..d55798467fc0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2667de81f3256c944b06abdf2c56c2f192fcb724
+refs/heads/master: 8b412664d0a487c2e16ac43f4fcede346df33254
diff --git a/trunk/tools/perf/builtin-record.c b/trunk/tools/perf/builtin-record.c
index 5f3127e7a615..2459e5a22ed8 100644
--- a/trunk/tools/perf/builtin-record.c
+++ b/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.
 	 */