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test: avoid GPU pin scheduling races

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XxJSONDeruloxX committed 2026-10-23 15:06:27 -04:00
1 parent 9c66a1ac0a
commit 6cc289f7d3
1 file changed
+6 -3
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tools/tests/test_gpu_clock_pin.c
+6 -3
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@@ -13,7 +13,7 @@
#include "../../app/src/main/cpp/waylandcomp/src/gpu_clock_pin.h"
enum { NONE, OPEN, DEVICE, CONTEXT, CONSTRAINT, MEMORY, MAP, SYNC, SUBMIT, THREAD, WAIT };
static atomic_int failure, descriptors, contexts, memories, mappings, submissions;
static atomic_int failure, descriptors, contexts, memories, mappings, submissions, waits;
static atomic_bool timeout_wait;
static bool legacy_core;
static uint32_t commands[1024];
@@ -115,6 +115,7 @@ int __wrap_ioctl(int fd, unsigned long request, ...) {
break;
}
case IOCTL_KGSL_DEVICE_WAITTIMESTAMP_CTXTID:
atomic_fetch_add(&waits, 1);
if (atomic_load(&timeout_wait)) { errno = ETIMEDOUT; return -1; }
break;
case IOCTL_KGSL_DRAWCTXT_DESTROY:
@@ -157,7 +158,7 @@ int main(void) {
atomic_store(&submissions, 0);
assert(gpu_clock_pin_set(true));
assert(gpu_clock_pin_set(true));
usleep(80000);
for (int i = 0; i < 100 && atomic_load(&submissions) < 2; ++i) usleep(10000);
assert(atomic_load(&submissions) > 1);
assert(gpu_clock_pin_set(false));
assert(gpu_clock_pin_set(false));
@@ -165,8 +166,10 @@ int main(void) {
atomic_store(&timeout_wait, true);
atomic_store(&submissions, 0);
atomic_store(&waits, 0);
assert(gpu_clock_pin_set(true));
usleep(80000);
for (int i = 0; i < 100 && atomic_load(&waits) < 2; ++i) usleep(10000);
assert(atomic_load(&waits) >= 2);
assert(atomic_load(&submissions) == 1);
assert(gpu_clock_pin_set(false));
assert_released();