linux-kernel - [PATCH] perf: excluding "." and ".." directories when calculating tids.

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Message-ID: <4C1740B1.9070806@cn.fujitsu.com>
Date:	Tue, 15 Jun 2010 16:58:25 +0800
From:	Gui Jianfeng <guijianfeng@...fujitsu.com>
To:	mingo@...e.hu
CC:	linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: [PATCH] perf: excluding "." and ".." directories when calculating
 tids.

excluding "." and ".." directories when calculating tids.

Signed-off-by: Gui Jianfeng <guijianfeng@...fujitsu.com>
---
 tools/perf/util/thread.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 1f7ecd4..4f71d1c 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -17,6 +17,8 @@ int find_all_tid(int pid, pid_t ** all_tid)
 
 	sprintf(name, "/proc/%d/task", pid);
 	items = scandir(name, &namelist, NULL, NULL);
+	/* Excluding "." and ".." directories! */
+	items -= 2;
 	if (items <= 0)
                 return -ENOENT;
 	*all_tid = malloc(sizeof(pid_t) * items);
-- 
1.6.5.2

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