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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-16 10:04:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-16 10:04:54 +0300
commit83cf9cd6d50ed4f7e6ae265e80e38b235c792f5f (patch)
tree6016c386c321cd6a3e8575e01ed9f10834fc5081 /tools/perf/bench/numa.c
parent34bcfdac8c92cc7971254ba5856afd12047c50b2 (diff)
parent9d3cce1e8b8561fed5f383d22a4d6949db4eadbe (diff)
downloadlinux-83cf9cd6d50ed4f7e6ae265e80e38b235c792f5f.tar.xz
Merge 4.18-rc5 into char-misc-next
We want the char-misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/bench/numa.c')
-rw-r--r--tools/perf/bench/numa.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 63eb49082774..44195514b19e 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -1098,7 +1098,7 @@ static void *worker_thread(void *__tdata)
u8 *global_data;
u8 *process_data;
u8 *thread_data;
- u64 bytes_done;
+ u64 bytes_done, secs;
long work_done;
u32 l;
struct rusage rusage;
@@ -1254,7 +1254,8 @@ static void *worker_thread(void *__tdata)
timersub(&stop, &start0, &diff);
td->runtime_ns = diff.tv_sec * NSEC_PER_SEC;
td->runtime_ns += diff.tv_usec * NSEC_PER_USEC;
- td->speed_gbs = bytes_done / (td->runtime_ns / NSEC_PER_SEC) / 1e9;
+ secs = td->runtime_ns / NSEC_PER_SEC;
+ td->speed_gbs = secs ? bytes_done / secs / 1e9 : 0;
getrusage(RUSAGE_THREAD, &rusage);
td->system_time_ns = rusage.ru_stime.tv_sec * NSEC_PER_SEC;