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| author | Jens Axboe <axboe@fb.com> | 2014-11-11 08:09:04 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-11-11 08:09:04 -0700 |
| commit | 97b32195d4713a13a17d409949fff5a08c4518dd (patch) | |
| tree | 149c5dc0c3d20aa6864b8c971179da75f303399a /t/btrace2fio.c | |
| parent | b295dc29b3abebe968950ce792f3087077223b78 (diff) | |
| download | fio-97b32195d4713a13a17d409949fff5a08c4518dd.tar.gz fio-97b32195d4713a13a17d409949fff5a08c4518dd.tar.bz2 | |
t/btrace2fio: fix divide-by-zero in rate calculation
If usec is less than 1000, it'd crash.
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 't/btrace2fio.c')
| -rw-r--r-- | t/btrace2fio.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/t/btrace2fio.c b/t/btrace2fio.c index bf67ed0a..efe25c4c 100644 --- a/t/btrace2fio.c +++ b/t/btrace2fio.c @@ -549,8 +549,12 @@ static unsigned long o_to_kb_rate(struct btrace_out *o, int rw) if (!usec) return 0; + usec /= 1000; + if (!usec) + return 0; + val = o->kb[rw] * 1000ULL; - return val / (usec / 1000ULL); + return val / usec; } static uint64_t o_first_ttime(struct btrace_out *o) |