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igt/gem_close_race: Import the scratch

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Rather than create a new scratch buffer every pass, import the original
as this provides stress upon less commonly trod paths (i.e. handling
objects with many vma) as well as many objects in general.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-04-22 16:37:35 +01:00
parent 757b9be460
commit 2f859537b5
1 changed files with 10 additions and 15 deletions
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25
tests/gem_close_race.c
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@ -169,8 +169,10 @@ static void threads(int timeout)
{ {
struct sigevent sev; struct sigevent sev;
struct sigaction act; struct sigaction act;
struct drm_gem_open name;
struct itimerspec its; struct itimerspec its;
timer_t timer; timer_t timer;
int fd;
memset(&act, 0, sizeof(act)); memset(&act, 0, sizeof(act));
act.sa_handler = crashme_now; act.sa_handler = crashme_now;
@ -182,8 +184,9 @@ static void threads(int timeout)
sev.sigev_signo = SIGRTMIN; sev.sigev_signo = SIGRTMIN;
igt_assert(timer_create(CLOCK_MONOTONIC, &sev, &timer) == 0); igt_assert(timer_create(CLOCK_MONOTONIC, &sev, &timer) == 0);
fd = open(device, O_RDWR);
name.name = gem_flink(fd, gem_create(fd, OBJECT_SIZE));
int count = 0;
igt_timeout(timeout) { igt_timeout(timeout) {
crashme.fd = open(device, O_RDWR); crashme.fd = open(device, O_RDWR);
@ -192,24 +195,16 @@ static void threads(int timeout)
igt_assert(timer_settime(timer, 0, &its, NULL) == 0); igt_assert(timer_settime(timer, 0, &its, NULL) == 0);
do { do {
struct drm_i915_gem_create create; if (drmIoctl(crashme.fd, DRM_IOCTL_GEM_OPEN, &name))
count++;
memset(&create, 0, sizeof(create));
create.handle = 0;
create.size = 4096;
drmIoctl(crashme.fd, DRM_IOCTL_I915_GEM_CREATE, &create);
selfcopy(crashme.fd, create.handle, 100);
if (drmIoctl(crashme.fd, DRM_IOCTL_GEM_CLOSE, &create.handle))
break; break;
} while (1);
selfcopy(crashme.fd, name.handle, 100);
drmIoctl(crashme.fd, DRM_IOCTL_GEM_CLOSE, &name.handle);
} while (1);
} }
printf("count = %d\n", count);
timer_delete(timer); timer_delete(timer);
close(fd);
} }
igt_main igt_main
@ -246,7 +241,7 @@ igt_main
} }
igt_subtest("gem-close-race") igt_subtest("gem-close-race")
threads(120); threads(150);
igt_stop_hang_detector(); igt_stop_hang_detector();
} }