#include "nouveau_screen.h"
#include "nouveau_winsys.h"
#include "nouveau_fence.h"
+#include "os/os_time.h"
#ifdef PIPE_OS_UNIX
#include <sched.h>
}
bool
-nouveau_fence_wait(struct nouveau_fence *fence)
+nouveau_fence_wait(struct nouveau_fence *fence, struct pipe_debug_callback *debug)
{
struct nouveau_screen *screen = fence->screen;
uint32_t spins = 0;
+ int64_t start = 0;
/* wtf, someone is waiting on a fence in flush_notify handler? */
assert(fence->state != NOUVEAU_FENCE_STATE_EMITTING);
if (fence == screen->fence.current)
nouveau_fence_next(screen);
+ if (debug && debug->debug_message)
+ start = os_time_get_nano();
+
do {
nouveau_fence_update(screen, false);
- if (fence->state == NOUVEAU_FENCE_STATE_SIGNALLED)
+ if (fence->state == NOUVEAU_FENCE_STATE_SIGNALLED) {
+ if (debug && debug->debug_message)
+ pipe_debug_message(debug, PERF_INFO,
+ "stalled %.3f ms waiting for fence",
+ (os_time_get_nano() - start) / 1000000.f);
return true;
+ }
if (!spins)
NOUVEAU_DRV_STAT(screen, any_non_kernel_fence_sync_count, 1);
spins++;