linux-kernel - [tip:perfcounters/core] perf report: Fix 32-bit printf format

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Message-ID: <tip-e2eae0f5605b90a0838608043c21050b08b6dd95@git.kernel.org>
Date:	Mon, 15 Jun 2009 14:21:55 GMT
From:	tip-bot for Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, paulus@...ba.org,
	hpa@...or.com, mingo@...hat.com, a.p.zijlstra@...llo.nl,
	efault@....de, yong.y.wang@...ux.intel.com, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:perfcounters/core] perf report: Fix 32-bit printf format

Commit-ID:  e2eae0f5605b90a0838608043c21050b08b6dd95
Gitweb:     http://git.kernel.org/tip/e2eae0f5605b90a0838608043c21050b08b6dd95
Author:     Ingo Molnar <mingo@...e.hu>
AuthorDate: Mon, 15 Jun 2009 16:15:19 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 15 Jun 2009 16:18:02 +0200

perf report: Fix 32-bit printf format

Yong Wang reported the following compiler warning:

 builtin-report.c: In function 'process_overflow_event':
 builtin-report.c:984: error: cast to pointer from integer of different size

Which happens because we try to print ->ips[] out with a limited
format, losing the high 32 bits. Print it out using %016Lx instead.

Reported-by: Yong Wang <yong.y.wang@...ux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 tools/perf/builtin-report.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 1e2f5dd..f86bb07 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -982,7 +982,7 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head)
 				chain->nr);
 
 			for (i = 0; i < chain->nr; i++)
-				dprintf("..... %2d: %p\n", i, (void *)chain->ips[i]);
+				dprintf("..... %2d: %016Lx\n", i, chain->ips[i]);
 		}
 		if (collapse_syscalls) {
 			/*
--
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