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authorArnaldo Carvalho de Melo <acme@redhat.com>2016-08-08 20:35:21 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-08-23 20:37:33 +0200
commit565e69114e4aa42664b0e7da135181651c3402f2 (patch)
tree187ba16acccb28c61730f10f01beb32f35885c49 /tools/perf/bench/futex-wake-parallel.c
parentperf kvm: Use NSEC_PER_USEC (diff)
downloadlinux-565e69114e4aa42664b0e7da135181651c3402f2.tar.xz
linux-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-wake-parallel.c')
-rw-r--r--tools/perf/bench/futex-wake-parallel.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/bench/futex-wake-parallel.c b/tools/perf/bench/futex-wake-parallel.c
index 4a2ecd7438ca..2c8fa67ad537 100644
--- a/tools/perf/bench/futex-wake-parallel.c
+++ b/tools/perf/bench/futex-wake-parallel.c
@@ -15,6 +15,7 @@
#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"
@@ -156,7 +157,7 @@ static void print_run(struct thread_data *waking_worker, unsigned int run_num)
printf("[Run %d]: Avg per-thread latency (waking %d/%d threads) "
"in %.4f ms (+-%.2f%%)\n", run_num + 1, wakeup_avg,
- nblocked_threads, waketime_avg/1e3,
+ nblocked_threads, waketime_avg / USEC_PER_MSEC,
rel_stddev_stats(waketime_stddev, waketime_avg));
}
@@ -172,7 +173,7 @@ static void print_summary(void)
printf("Avg per-thread latency (waking %d/%d threads) in %.4f ms (+-%.2f%%)\n",
wakeup_avg,
nblocked_threads,
- waketime_avg/1e3,
+ waketime_avg / USEC_PER_MSEC,
rel_stddev_stats(waketime_stddev, waketime_avg));
}