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lib: Tidy testing for rtcwake

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When performing a dummy-run of rtcwake, hide the output as it doesn't
print anything useful (just when it will wake up).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-03-03 10:15:35 +00:00
parent af22497ac9
commit cb4589af09
1 changed files with 5 additions and 6 deletions
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11
lib/igt_aux.c
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@ -354,6 +354,8 @@ void igt_cleanup_aperture_trashers(void)
free(trash_bos);
}
#define SQUELCH ">/dev/null 2>&1"
/**
* igt_system_suspend_autoresume:
*
@ -370,7 +372,7 @@ void igt_system_suspend_autoresume(void)
igt_skip_on_simulation();
/* skip if system doesn't support suspend-to-mem */
igt_skip_on(system("rtcwake -n -s 30 -m mem") != 0);
igt_require(system("rtcwake -n -s 30 -m mem" SQUELCH) == 0);
igt_assert_f(system("rtcwake -s 30 -m mem") == 0,
"This failure means that something is wrong with the "
@ -388,8 +390,6 @@ void igt_system_suspend_autoresume(void)
*/
void igt_system_hibernate_autoresume(void)
{
int ret;
/* FIXME: I'm guessing simulation behaves the same way as with
* suspend/resume, but it might be prudent to make sure
*/
@ -399,13 +399,12 @@ void igt_system_hibernate_autoresume(void)
igt_skip_on_simulation();
/* skip if system doesn't support suspend-to-disk */
igt_skip_on(system("rtcwake -n -s 90 -m disk") != 0);
igt_require(system("rtcwake -n -s 90 -m disk" SQUELCH) == 0);
/* The timeout might need to be adjusted if hibernation takes too long
* or if we have to wait excessively long before resume
*/
ret = system("rtcwake -s 90 -m disk");
igt_assert_f(ret == 0,
igt_assert_f(system("rtcwake -s 90 -m disk") == 0,
"This failure means that something is wrong with the "
"rtcwake tool or how your distro is set up. This is not "
"a i915.ko or i-g-t bug.\n");