linux-kernel - [tip:perf/core] perf tools: handle spaces in file names obtained from /proc/pid/maps

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Date:	Tue, 9 Feb 2016 04:14:05 -0800
From:	"tip-bot for Marcin Ślusarz" <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	tglx@...utronix.de, hpa@...or.com, linux-kernel@...r.kernel.org,
	acme@...hat.com, mingo@...nel.org, namhyung@...nel.org,
	marcin.slusarz@...il.com
Subject: [tip:perf/core] perf tools:
  handle spaces in file names obtained from /proc/pid/maps

Commit-ID:  89fee59b504f86925894fcc9ba79d5c933842f93
Gitweb:     http://git.kernel.org/tip/89fee59b504f86925894fcc9ba79d5c933842f93
Author:     Marcin Ślusarz <marcin.slusarz@...il.com>
AuthorDate: Tue, 19 Jan 2016 20:03:03 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 5 Feb 2016 09:39:56 -0300

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

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 Ślusarz <marcin.slusarz@...il.com>
Acked-by: Namhyung Kim <namhyung@...nel.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@...hat.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 85155e9..7bad5c3 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -282,7 +282,7 @@ 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,