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authorArnaldo Carvalho de Melo <acme@redhat.com>2016-08-08 15:35:21 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-08-23 15:37:33 -0300
commit565e69114e4aa42664b0e7da135181651c3402f2 (patch)
tree187ba16acccb28c61730f10f01beb32f35885c49 /tools/perf/bench/futex-requeue.c
parentperf kvm: Use NSEC_PER_USEC (diff)
downloadlinux-dev-565e69114e4aa42664b0e7da135181651c3402f2.tar.xz
linux-dev-565e69114e4aa42664b0e7da135181651c3402f2.zip
perf bench futex: Use NSEC_PER_USEC
Following kernel practices and better documentin 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-xncwqxegjp13g2nxih3lp9mx@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/bench/futex-requeue.c')
-rw-r--r--tools/perf/bench/futex-requeue.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/bench/futex-requeue.c b/tools/perf/bench/futex-requeue.c
index f96e22ed9f87..2b9705a8734c 100644
--- a/tools/perf/bench/futex-requeue.c
+++ b/tools/perf/bench/futex-requeue.c
@@ -16,6 +16,7 @@
#include <subcmd/parse-options.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
+#include <linux/time64.h>
#include <errno.h>
#include "bench.h"
#include "futex.h"
@@ -62,7 +63,7 @@ static void print_summary(void)
printf("Requeued %d of %d threads in %.4f ms (+-%.2f%%)\n",
requeued_avg,
nthreads,
- requeuetime_avg/1e3,
+ requeuetime_avg / USEC_PER_MSEC,
rel_stddev_stats(requeuetime_stddev, requeuetime_avg));
}
@@ -184,7 +185,7 @@ int bench_futex_requeue(int argc, const char **argv,
if (!silent) {
printf("[Run %d]: Requeued %d of %d threads in %.4f ms\n",
- j + 1, nrequeued, nthreads, runtime.tv_usec/1e3);
+ j + 1, nrequeued, nthreads, runtime.tv_usec / (double)USEC_PER_MSEC);
}
/* everybody should be blocked on futex2, wake'em up */