diff options
author | Ingo Molnar <mingo@kernel.org> | 2018-07-03 09:20:22 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2018-07-03 09:20:22 +0200 |
commit | 4520843dfa34417eb1e2061f60d2345d9ca614e1 (patch) | |
tree | 7b983b8cf20c6154cf897000610c5b7c754e26d9 /tools/perf/bench/numa.c | |
parent | sched/fair: Remove stale tg_unthrottle_up() comments (diff) | |
parent | kthread, sched/core: Fix kthread_parkme() (again...) (diff) | |
download | linux-dev-4520843dfa34417eb1e2061f60d2345d9ca614e1.tar.xz linux-dev-4520843dfa34417eb1e2061f60d2345d9ca614e1.zip |
Merge branch 'sched/urgent' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/bench/numa.c')
-rw-r--r-- | tools/perf/bench/numa.c | 5 |
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; |