linux-kernel - Re: [PATCH] perf: fix two warning in bench/numa

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Message-ID: <20130925073515.GA7053@weiyang.vnet.ibm.com>
Date:	Wed, 25 Sep 2013 15:35:15 +0800
From:	Wei Yang <weiyang@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org, acme@...stprotocols.net,
	mingo@...hat.com
Cc:	Wei Yang <weiyang@...ux.vnet.ibm.com>
Subject: Re: [PATCH] perf: fix two warning in bench/numa

Hi, all

Any comments on this one? 

These two warnings will break the compile of perf under 32-bit machine.

On Sun, Sep 22, 2013 at 04:49:24PM +0800, Wei Yang wrote:
>There two warnings in bench/numa, when buiding this on 32-bit machine. 
>
>The warning output is attached:
>
>bench/numa.c:1113:20: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
>bench/numa.c:1161:6: error: format '%lx' expects argument of type 'long unsigned int', but argument 5 has type 'u64' [-Werror=format]
>
>This patch fixs these two warnings.
>
>Signed-off-by: Wei Yang <weiyang@...ux.vnet.ibm.com>
>---
> tools/perf/bench/numa.c |    4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
>index 30d1c32..a73c4ed 100644
>--- a/tools/perf/bench/numa.c
>+++ b/tools/perf/bench/numa.c
>@@ -1110,7 +1110,7 @@ static void *worker_thread(void *__tdata)
> 		/* Check whether our max runtime timed out: */
> 		if (g->p.nr_secs) {
> 			timersub(&stop, &start0, &diff);
>-			if (diff.tv_sec >= g->p.nr_secs) {
>+			if (diff.tv_sec >= (time_t)g->p.nr_secs) {
> 				g->stop_work = true;
> 				break;
> 			}
>@@ -1157,7 +1157,7 @@ static void *worker_thread(void *__tdata)
> 			runtime_ns_max += diff.tv_usec * 1000;
>
> 			if (details >= 0) {
>-				printf(" #%2d / %2d: %14.2lf nsecs/op [val: %016lx]\n",
>+				printf(" #%2d / %2d: %14.2lf nsecs/op [val: %016"PRIu64"]\n",
> 					process_nr, thread_nr, runtime_ns_max / bytes_done, val);
> 			}
> 			fflush(stdout);
>-- 
>1.7.5.4

-- 
Richard Yang
Help you, Help me

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