From: Bruce Cran <BCran@fusionio.com>
Date: Sat, 9 Jul 2011 06:19:53 +0000 (+0200)
Subject: Fix integer overflow in calculating large IOPS on 32-bit platforms
X-Git-Tag: fio-1.56~19
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=0aacc50c2fa41e44512ce8eacfd3d679cb016d86

Fix integer overflow in calculating large IOPS on 32-bit platforms

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---

diff --git a/stat.c b/stat.c
index d95be758..9f22c6e1 100644
--- a/stat.c
+++ b/stat.c
@@ -169,7 +169,7 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
 	io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p);
 	bw_p = num2str(bw, 6, 1, i2p);
 
-	iops = (1000 * ts->total_io_u[ddir]) / runt;
+	iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
 	iops_p = num2str(iops, 6, 1, 0);
 
 	log_info("  %s: io=%sB, bw=%sB/s, iops=%s, runt=%6llumsec\n",