[3.16.y-ckt stable] Patch "perf tools: handle spaces in file names obtained from /proc/pid/maps" has been added to the 3.16.y-ckt tree

Luis Henriques luis.henriques at canonical.com
Mon Apr 11 17:24:21 UTC 2016


This is a note to let you know that I have just added a patch titled

    perf tools: handle spaces in file names obtained from /proc/pid/maps

to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.16.y-queue

This patch is scheduled to be released in version 3.16.7-ckt27.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.16.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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>From c7ea28c54cd10e5bcd9e7c977d17652426514410 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcin=20=C5=9Alusarz?= <marcin.slusarz at gmail.com>
Date: Tue, 19 Jan 2016 20:03:03 +0100
Subject: perf tools: handle spaces in file names obtained from /proc/pid/maps
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commit 89fee59b504f86925894fcc9ba79d5c933842f93 upstream.

Steam frequently puts game binaries in folders with spaces.

Note: "(deleted)" markers are now treated as part of the file name.

Signed-off-by: Marcin Ĺšlusarz <marcin.slusarz at gmail.com>
Acked-by: Namhyung Kim <namhyung at kernel.org>
Fixes: 6064803313ba ("perf tools: Use sscanf for parsing /proc/pid/maps")
Link: http://lkml.kernel.org/r/20160119190303.GA17579@marcin-Inspiron-7720
Signed-off-by: Arnaldo Carvalho de Melo <acme at redhat.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 tools/perf/util/event.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index d0281bdfa582..1fb0c073e811 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -197,7 +197,7 @@ int perf_event__synthesize_mmap_events(struct perf_tool *tool,
 		strcpy(execname, "");

 		/* 00400000-0040c000 r-xp 00000000 fd:01 41038  /bin/cat */
-		n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %x:%x %u %s\n",
+		n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %x:%x %u %[^\n]\n",
 		       &event->mmap2.start, &event->mmap2.len, prot,
 		       &event->mmap2.pgoff, &event->mmap2.maj,
 		       &event->mmap2.min,




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