linux-kernel - [tip:perfcounters/core] perf_counter: log full path names

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Message-ID: <tip-d3d21c412d8525eb2e208d990ab5eee5fb0fe03d@git.kernel.org>
Date:	Thu, 9 Apr 2009 09:54:56 GMT
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, paulus@...ba.org, hpa@...or.com,
	mingo@...hat.com, a.p.zijlstra@...llo.nl, tglx@...utronix.de,
	cjashfor@...ux.vnet.ibm.com, mingo@...e.hu
Subject: [tip:perfcounters/core] perf_counter: log full path names

Commit-ID:  d3d21c412d8525eb2e208d990ab5eee5fb0fe03d
Gitweb:     http://git.kernel.org/tip/d3d21c412d8525eb2e208d990ab5eee5fb0fe03d
Author:     Peter Zijlstra <a.p.zijlstra@...llo.nl>
AuthorDate: Thu, 9 Apr 2009 10:53:46 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 9 Apr 2009 11:50:54 +0200

perf_counter: log full path names

Impact: fix perf-report output for /home mounted binaries, etc.

dentry_path() only provide path-names up to the mount root, which is
unsuited for out purpose, use d_path() instead.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
LKML-Reference: <20090409085524.601794134@...llo.nl>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 kernel/perf_counter.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 7efb7eb..7f9521c 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -2116,7 +2116,7 @@ static void perf_counter_mmap_event(struct perf_mmap_event *mmap_event)
 			name = strncpy(tmp, "//enomem", sizeof(tmp));
 			goto got_name;
 		}
-		name = dentry_path(file->f_dentry, buf, PATH_MAX);
+		name = d_path(&file->f_path, buf, PATH_MAX);
 		if (IS_ERR(name)) {
 			name = strncpy(tmp, "//toolong", sizeof(tmp));
 			goto got_name;
--
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