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When pinging a sick cpu, flush finish and then ping it in a separate thread in the hope it recovers, but without blocking code elsewhere.

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This commit is contained in:
Con Kolivas 2011-08-12 20:20:42 +10:00
parent 177e07aed3
commit a466942fd8
1 changed files with 37 additions and 1 deletions
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38
main.c
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@ -3415,10 +3415,46 @@ static void *reinit_gpu(void *userdata)
return NULL;
}
static void *ping_gputhread(void *userdata)
{
struct cgpu_info *cgpu = (struct cgpu_info *)userdata;
int gpu = cgpu->cpu_gpu;
struct thr_info *thr;
_clState *clState;
int thr_id;
for (thr_id = 0; thr_id < gpu_threads; thr_id ++) {
if (dev_from_id(thr_id) != gpu)
continue;
thr = &thr_info[thr_id];
clState = clStates[thr_id];
tq_push(thr->q, &ping);
applog(LOG_WARNING, "Attempting to flush command queue of thread %d", thr_id);
clFlush(clState->commandQueue);
clFinish(clState->commandQueue);
tq_push(thr->q, &ping);
}
return NULL;
}
static void ping_gpu(struct cgpu_info *cgpu)
{
pthread_t ping_thread;
if (unlikely(pthread_create(&ping_thread, NULL, ping_gputhread, (void *)cgpu)))
applog(LOG_ERR, "Failed to create ping thread");
}
#else
static void *reinit_gpu(void *userdata)
{
}
static void ping_gpu(struct cgpu_info *cgpu)
{
}
#endif
static void reinit_device(struct cgpu_info *cgpu)
@ -3531,7 +3567,7 @@ static void *watchdog_thread(void *userdata)
gpus[gpu].status = LIFE_SICK;
applog(LOG_ERR, "Thread %d idle for more than 60 seconds, GPU %d declared SICK!", i, gpu);
/* Sent it a ping, it might respond */
tq_push(thr->q, &ping);
ping_gpu(thr->cgpu);
} else if (now.tv_sec - thr->last.tv_sec > 300 && gpus[i].status == LIFE_SICK) {
gpus[gpu].status = LIFE_DEAD;
applog(LOG_ERR, "Thread %d idle for more than 5 minutes, GPU %d declared DEAD!", i, gpu);