linux-kernel - [PATCH 3/7] perf tools: Set event->header.misc to PERF_RECORD_MISC_GUEST

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Message-Id: <e6f8ff6505d2db8a4b21bff8e448bb9be0bcff35.1387572416.git.yangds.fnst@cn.fujitsu.com>
Date:	Fri, 20 Dec 2013 15:52:58 -0500
From:	Dongsheng Yang <yangds.fnst@...fujitsu.com>
To:	acme@...stprotocols.net, linux-kernel@...r.kernel.org
Cc:	mingo@...nel.org, namhyung.kim@....com, jolsa@...hat.com,
	dsahern@...il.com, Dongsheng Yang <yangds.fnst@...fujitsu.com>
Subject: [PATCH 3/7] perf tools: Set event->header.misc to PERF_RECORD_MISC_GUEST_USER if machine is guest.

When we synthesize the mmap events of user space, if machine is guest, we should
set the event->header.misc to PERF_RECORD_MISC_GUEST_USER, rather than
PERF_RECORD_MISC_USER.

Signed-off-by: Dongsheng Yang <yangds.fnst@...fujitsu.com>
---
 tools/perf/util/event.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index c75046f..2d90ed8 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -220,7 +220,10 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
 		/*
 		 * Just like the kernel, see __perf_event_mmap in kernel/perf_event.c
 		 */
-		event->header.misc = PERF_RECORD_MISC_USER;
+		if (machine__is_host(machine))
+			event->header.misc = PERF_RECORD_MISC_USER;
+		else
+			event->header.misc = PERF_RECORD_MISC_GUEST_USER;
 
 		if (prot[2] != 'x') {
 			if (!mmap_data || prot[0] != 'r')
-- 
1.8.2.1

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