lkml.org 
[lkml]   [2016]   [Aug]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:perf/core] perf bench sched-pipe: Use linux/time64.h, USEC_PER_SEC
Commit-ID:  16633ccff091dacb2138b95e8911a1892983c6fd
Gitweb: http://git.kernel.org/tip/16633ccff091dacb2138b95e8911a1892983c6fd
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Mon, 8 Aug 2016 14:51:30 -0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 23 Aug 2016 15:37:33 -0300

perf bench sched-pipe: Use linux/time64.h, USEC_PER_SEC

Following kernel practices.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-wgfu1h1pnw8lc919o2tan58y@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/bench/sched-pipe.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/perf/bench/sched-pipe.c b/tools/perf/bench/sched-pipe.c
index 1dc2d13..2243f01 100644
--- a/tools/perf/bench/sched-pipe.c
+++ b/tools/perf/bench/sched-pipe.c
@@ -25,6 +25,7 @@
#include <sys/time.h>
#include <sys/types.h>
#include <sys/syscall.h>
+#include <linux/time64.h>

#include <pthread.h>

@@ -153,24 +154,24 @@ int bench_sched_pipe(int argc, const char **argv, const char *prefix __maybe_unu
printf("# Executed %d pipe operations between two %s\n\n",
loops, threaded ? "threads" : "processes");

- result_usec = diff.tv_sec * 1000000;
+ result_usec = diff.tv_sec * USEC_PER_SEC;
result_usec += diff.tv_usec;

printf(" %14s: %lu.%03lu [sec]\n\n", "Total time",
diff.tv_sec,
- (unsigned long) (diff.tv_usec/1000));
+ (unsigned long) (diff.tv_usec / USEC_PER_MSEC));

printf(" %14lf usecs/op\n",
(double)result_usec / (double)loops);
printf(" %14d ops/sec\n",
(int)((double)loops /
- ((double)result_usec / (double)1000000)));
+ ((double)result_usec / (double)USEC_PER_SEC)));
break;

case BENCH_FORMAT_SIMPLE:
printf("%lu.%03lu\n",
diff.tv_sec,
- (unsigned long) (diff.tv_usec / 1000));
+ (unsigned long) (diff.tv_usec / USEC_PER_MSEC));
break;

default:
\
 
 \ /
  Last update: 2016-09-17 09:57    [W:0.034 / U:0.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site