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Code Issues Releases Wiki Activity

Best to serialise the restarting of threads to avoid device initialisation issues.

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This commit is contained in:
Con Kolivas 2011-07-26 23:17:25 +10:00
parent d5d56920dd
commit 93b284dbca
1 changed files with 57 additions and 46 deletions
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103
main.c
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@ -1818,7 +1818,7 @@ retry:
}
#ifdef HAVE_OPENCL
static void reinit_thread(long thr_id);
static void reinit_device(struct cgpu_info *cgpu);
static void manage_gpu(void)
{
@ -1895,12 +1895,8 @@ retry:
wlogprint("Invalid selection\n");
goto retry;
}
for (i = 0; i < gpu_threads; i++) {
if (dev_from_id(i) != selected)
continue;
wlogprint("Attempting to restart thread %d\n", i);
reinit_thread(i);
}
wlogprint("Attempting to restart threads of GPU %d\n", selected);
reinit_device(&gpus[selected]);
}
clear_logwin();
@ -3101,9 +3097,12 @@ static void restart_longpoll(void)
start_longpoll();
}
static void *reinit_cputhread(void *userdata)
static void *reinit_cpu(void *userdata)
{
long thr_id = (long)userdata;
#if 0
struct cgpu_info *cgpu = (struct cgpu_info *)userdata;
int cpu = cgpu->cpu_gpu;
long thr_id = ....(long)userdata;
struct thr_info *thr = &thr_info[thr_id];
int cpu = dev_from_id(thr_id);
@ -3126,67 +3125,75 @@ static void *reinit_cputhread(void *userdata)
tq_push(thr->q, &ping);
applog(LOG_WARNING, "Thread %d restarted", thr_id);
#endif
return NULL;
}
#ifdef HAVE_OPENCL
static void *reinit_gputhread(void *userdata)
static void *reinit_gpu(void *userdata)
{
long thr_id = (long)userdata;
int gpu = dev_from_id(thr_id);
struct thr_info *thr = &thr_info[thr_id];
struct cgpu_info *cgpu = (struct cgpu_info *)userdata;
int gpu = cgpu->cpu_gpu;
struct thr_info *thr;
char name[256];
int thr_id;
gpus[gpu].alive = false;
thr->rolling = thr->cgpu->rolling = 0;
tq_freeze(thr->q);
if (!pthread_cancel(*thr->pth))
pthread_join(*thr->pth, NULL);
free(thr->q);
thr->q = tq_new();
if (!thr->q)
quit(1, "Failed to tq_new in reinit_gputhread");
free(clStates[thr_id]);
for (thr_id = 0; thr_id < gpu_threads; thr_id ++) {
if (dev_from_id(thr_id) != gpu)
continue;
applog(LOG_INFO, "Reinit GPU thread %d", thr_id);
clStates[thr_id] = initCl(gpu, name, sizeof(name));
if (!clStates[thr_id]) {
applog(LOG_ERR, "Failed to reinit GPU thread %d", thr_id);
return NULL;
thr = &thr_info[thr_id];
thr->rolling = thr->cgpu->rolling = 0;
tq_freeze(thr->q);
if (!pthread_cancel(*thr->pth))
pthread_join(*thr->pth, NULL);
free(thr->q);
thr->q = tq_new();
if (!thr->q)
quit(1, "Failed to tq_new in reinit_gputhread");
free(clStates[thr_id]);
applog(LOG_INFO, "Reinit GPU thread %d", thr_id);
clStates[thr_id] = initCl(gpu, name, sizeof(name));
if (!clStates[thr_id]) {
applog(LOG_ERR, "Failed to reinit GPU thread %d", thr_id);
return NULL;
}
applog(LOG_INFO, "initCl() finished. Found %s", name);
if (unlikely(thr_info_create(thr, NULL, gpuminer_thread, thr))) {
applog(LOG_ERR, "thread %d create failed", thr_id);
return NULL;
}
/* Try to re-enable it */
gpu_devices[gpu] = true;
tq_push(thr->q, &ping);
applog(LOG_WARNING, "Thread %d restarted", thr_id);
}
applog(LOG_INFO, "initCl() finished. Found %s", name);
if (unlikely(thr_info_create(thr, NULL, gpuminer_thread, thr))) {
applog(LOG_ERR, "thread %d create failed", thr_id);
return NULL;
}
/* Try to re-enable it */
gpu_devices[gpu] = true;
tq_push(thr->q, &ping);
applog(LOG_WARNING, "Thread %d restarted", thr_id);
return NULL;
}
#else
static void *reinit_gputhread(void *userdata)
static void *reinit_gpu(void *userdata)
{
}
#endif
static void reinit_thread(long thr_id)
static void reinit_device(struct cgpu_info *cgpu)
{
pthread_t resus_thread;
void *reinit;
if (thr_id < gpu_threads)
reinit = reinit_gputhread;
if (cgpu->is_gpu)
reinit = reinit_gpu;
else
reinit = reinit_cputhread;
reinit = reinit_cpu;
if (unlikely(pthread_create(&resus_thread, NULL, reinit, (void *)thr_id)))
if (unlikely(pthread_create(&resus_thread, NULL, reinit, (void *)cgpu)))
applog(LOG_ERR, "Failed to create reinit thread");
}
@ -3282,7 +3289,11 @@ static void *watchdog_thread(void *userdata)
kill_work();
break;
}
reinit_thread(i);
reinit_device(thr->cgpu);
/* Only initialise the device once since there
* will be multiple threads on the same device
* and it will be declared !alive */
break;
}
}
}