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gem_flink_race: Assure no pending requests before object counting

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Same thing that was done for prime_self_import.

v2: Move igt_drop_caches_set() call inside get_object_count() to make
it clearer why we want this.

Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Oscar Mateo 2013-11-05 10:57:31 +00:00 committed by Daniel Vetter
parent ece21fa865
commit 466da453ae
1 changed files with 6 additions and 1 deletions
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7
tests/gem_flink_race.c
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@ -35,6 +35,7 @@
#include "drmtest.h"
#include "i915_drm.h"
#include "intel_bufmgr.h"
#include "igt_debugfs.h"
/* Testcase: check for flink/open vs. gem close races
*
@ -54,6 +55,8 @@ static int get_object_count(void)
int device = drm_get_card();
char *path;
igt_drop_caches_set(DROP_RETIRE);
ret = asprintf(&path, "/sys/kernel/debug/dri/%d/i915_gem_objects", device);
igt_assert(ret != -1);
@ -157,9 +160,11 @@ static void test_flink_close(void)
{
pthread_t *threads;
int r, i, num_threads;
int obj_count = get_object_count();
int obj_count;
void *status;
obj_count = get_object_count();
num_threads = sysconf(_SC_NPROCESSORS_ONLN);
threads = calloc(num_threads, sizeof(pthread_t));