----- "Caspar Zhang" <[email protected]> wrote:
> Hi all,
>
> In my recent tests, not all desired time is equal to exact
> execution time,
> sometimes it is +/-1s, and in a few times it becomes +/-2s. In most
> cases,
> +/-2s is still a valid value between exact execute time and desired
> time.
>
> Signed-off-by: Caspar Zhang <[email protected]>
>
> --- a/testcases/kernel/syscalls/pselect/pselect01.c 2010-04-01
> 14:23:10.000000000 +0800
> +++ b/testcases/kernel/syscalls/pselect/pselect01.c 2010-07-15
> 16:03:40.969426078 +0800
> @@ -109,7 +109,8 @@
> NULL);
> end = time(&t);
>
> - if (((end - start) == total_sec) || ((end - start) ==
> total_sec + 1))
> + /* Is it still valid in range -2~2s? */
> + if ((end - start - total_sec <= 2) && (end - start -
> total_sec >= -2))
Sorry for mistake, since end, start are unsigned int, use
end-start-total_sec >= -2 will cause error, add (int)before
(end-start) instead. New patch attached.
Thanks,
Caspar
--
Kernel Associate Quality Engineer
Red Hat Inc. (Beijing R&D Branch)
Red Hat China R&D Branch Unit 907, North Tower C,
Raycom Infotech Park, No.2 Kexueyuan Nanlu,
Haidian District, Beijing 100190
TEL: +86-10-62608150
Web: http://www.redhat.com/
Hi all,
In my recent tests, not all desired time is equal to exact execution time,
sometimes it is +/-1s, and in a few times it becomes +/-2s. In most cases,
+/-2s is still a valid value between exact execute time and desired time.
Signed-off-by: Caspar Zhang <[email protected]>
--- a/testcases/kernel/syscalls/pselect/pselect01.c 2010-04-01 14:23:10.000000000 +0800
+++ b/testcases/kernel/syscalls/pselect/pselect01.c 2010-07-15 16:03:40.969426078 +0800
@@ -109,7 +109,8 @@
NULL);
end = time(&t);
- if (((end - start) == total_sec) || ((end - start) == total_sec + 1))
+ /* Is it still valid in range -2~2s? */
+ if (((int)(end - start) - total_sec <= 2) && ((int)(end - start) - total_sec >= -2))
tst_resm(TPASS, "Sleep time was correct");
else
tst_resm(TFAIL, "Sleep time was incorrect:%d != %d",
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