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@ -70,7 +70,7 @@ struct workio_cmd {
@@ -70,7 +70,7 @@ struct workio_cmd {
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enum workio_commands cmd; |
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struct thr_info *thr; |
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struct work *work; |
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bool needed; |
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struct pool *pool; |
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}; |
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struct strategies strategies[] = { |
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@ -1955,11 +1955,9 @@ static inline struct pool *select_pool(bool lagging)
@@ -1955,11 +1955,9 @@ static inline struct pool *select_pool(bool lagging)
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if (pool_strategy == POOL_BALANCE) |
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return select_balanced(cp); |
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if (pool_strategy != POOL_LOADBALANCE && (!lagging || opt_fail_only)) { |
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if (cp->prio != 0) |
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switch_pools(NULL); |
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pool = current_pool(); |
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} else |
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if (pool_strategy != POOL_LOADBALANCE && (!lagging || opt_fail_only)) |
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pool = cp; |
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else |
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pool = NULL; |
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while (!pool) { |
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@ -2251,17 +2249,19 @@ static void push_curl_entry(struct curl_ent *ce, struct pool *pool)
@@ -2251,17 +2249,19 @@ static void push_curl_entry(struct curl_ent *ce, struct pool *pool)
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/* This is overkill, but at least we'll know accurately how much work is
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* queued to prevent ever being left without work */ |
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static void inc_queued(void) |
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static void inc_queued(struct pool *pool) |
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{ |
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mutex_lock(&qd_lock); |
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total_queued++; |
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pool->queued++; |
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mutex_unlock(&qd_lock); |
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} |
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static void dec_queued(void) |
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static void dec_queued(struct pool *pool) |
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{ |
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mutex_lock(&qd_lock); |
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total_queued--; |
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pool->queued--; |
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mutex_unlock(&qd_lock); |
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} |
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@ -2380,68 +2380,46 @@ out:
@@ -2380,68 +2380,46 @@ out:
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return cloned; |
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} |
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static bool queue_request(void); |
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static void *get_work_thread(void *userdata) |
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{ |
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struct workio_cmd *wc = (struct workio_cmd *)userdata; |
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int ts, tq, maxq = opt_queue + mining_threads; |
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struct pool *pool = current_pool(); |
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struct work *ret_work= NULL; |
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struct curl_ent *ce = NULL; |
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bool lagging = false; |
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pthread_detach(pthread_self()); |
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applog(LOG_DEBUG, "Creating extra get work thread"); |
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retry: |
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tq = global_queued(); |
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ts = total_staged(); |
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if (ts >= maxq) |
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goto out; |
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pool = wc->pool; |
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if (ts >= opt_queue && tq >= maxq) |
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goto out; |
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if (clone_available()) |
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if (clone_available()) { |
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dec_queued(pool); |
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goto out; |
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} |
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ret_work = make_work(); |
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if (wc->thr) |
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ret_work->thr = wc->thr; |
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else |
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ret_work->thr = NULL; |
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if (opt_benchmark) { |
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get_benchmark_work(ret_work); |
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ret_work->queued = true; |
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} else { |
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if (!ts) |
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lagging = true; |
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pool = ret_work->pool = select_pool(lagging); |
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inc_queued(); |
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ret_work->pool = wc->pool; |
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if (!ce) |
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ce = pop_curl_entry(pool); |
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/* Check that we haven't staged work via other threads while
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* waiting for a curl entry */ |
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if (total_staged() >= maxq) { |
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dec_queued(); |
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free_work(ret_work); |
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goto out; |
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} |
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/* obtain new work from bitcoin via JSON-RPC */ |
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if (!get_upstream_work(ret_work, ce->curl)) { |
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/* pause, then restart work-request loop */ |
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applog(LOG_DEBUG, "json_rpc_call failed on get work, retrying"); |
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lagging = true; |
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dec_queued(); |
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dec_queued(pool); |
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queue_request(); |
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free_work(ret_work); |
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goto retry; |
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goto out; |
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} |
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ret_work->queued = true; |
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@ -2620,8 +2598,6 @@ static struct pool *priority_pool(int choice)
@@ -2620,8 +2598,6 @@ static struct pool *priority_pool(int choice)
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return ret; |
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} |
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static bool queue_request(struct thr_info *thr, bool needed); |
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void switch_pools(struct pool *selected) |
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{ |
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struct pool *pool, *last_pool; |
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@ -2696,8 +2672,6 @@ void switch_pools(struct pool *selected)
@@ -2696,8 +2672,6 @@ void switch_pools(struct pool *selected)
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mutex_lock(&lp_lock); |
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pthread_cond_broadcast(&lp_cond); |
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mutex_unlock(&lp_lock); |
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queue_request(NULL, false); |
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} |
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static void discard_work(struct work *work) |
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@ -2721,6 +2695,7 @@ static void discard_stale(void)
@@ -2721,6 +2695,7 @@ static void discard_stale(void)
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HASH_ITER(hh, staged_work, work, tmp) { |
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if (stale_work(work, false)) { |
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HASH_DEL(staged_work, work); |
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work->pool->staged--; |
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discard_work(work); |
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stale++; |
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} |
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@ -2730,7 +2705,7 @@ static void discard_stale(void)
@@ -2730,7 +2705,7 @@ static void discard_stale(void)
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if (stale) { |
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applog(LOG_DEBUG, "Discarded %d stales that didn't match current hash", stale); |
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while (stale-- > 0) |
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queue_request(NULL, false); |
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queue_request(); |
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} |
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} |
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@ -2927,9 +2902,11 @@ static bool hash_push(struct work *work)
@@ -2927,9 +2902,11 @@ static bool hash_push(struct work *work)
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pthread_cond_signal(&getq->cond); |
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mutex_unlock(stgd_lock); |
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work->pool->staged++; |
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if (work->queued) { |
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work->queued = false; |
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dec_queued(); |
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dec_queued(work->pool); |
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} |
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return rc; |
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@ -3919,9 +3896,28 @@ static void pool_resus(struct pool *pool)
@@ -3919,9 +3896,28 @@ static void pool_resus(struct pool *pool)
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switch_pools(NULL); |
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} |
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static bool queue_request(struct thr_info *thr, bool needed) |
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static bool queue_request(void) |
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{ |
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int ts, tq, maxq = opt_queue + mining_threads; |
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struct pool *pool, *cp; |
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struct workio_cmd *wc; |
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bool lagging; |
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ts = total_staged(); |
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tq = global_queued(); |
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if (ts && ts + tq >= maxq) |
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return true; |
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cp = current_pool(); |
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lagging = !opt_fail_only && cp->lagging && !ts && cp->queued >= maxq; |
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if (!lagging && cp->staged + cp->queued >= maxq) |
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return true; |
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pool = select_pool(lagging); |
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if (pool->staged + pool->queued >= maxq) |
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return true; |
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inc_queued(pool); |
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/* fill out work request message */ |
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wc = calloc(1, sizeof(*wc)); |
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@ -3931,8 +3927,7 @@ static bool queue_request(struct thr_info *thr, bool needed)
@@ -3931,8 +3927,7 @@ static bool queue_request(struct thr_info *thr, bool needed)
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} |
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wc->cmd = WC_GET_WORK; |
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wc->thr = thr; |
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wc->needed = needed; |
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wc->pool = pool; |
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applog(LOG_DEBUG, "Queueing getwork request to work thread"); |
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@ -3967,12 +3962,13 @@ static struct work *hash_pop(const struct timespec *abstime)
@@ -3967,12 +3962,13 @@ static struct work *hash_pop(const struct timespec *abstime)
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} else |
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work = staged_work; |
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HASH_DEL(staged_work, work); |
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work->pool->staged--; |
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if (work_rollable(work)) |
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staged_rollable--; |
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} |
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mutex_unlock(stgd_lock); |
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queue_request(NULL, false); |
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queue_request(); |
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return work; |
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} |
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@ -4089,6 +4085,9 @@ retry:
@@ -4089,6 +4085,9 @@ retry:
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pool = work_heap->pool; |
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/* If we make it here we have succeeded in getting fresh work */ |
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if (!work_heap->mined) { |
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/* Only clear the lagging flag if we are staging them at a
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* rate faster then we're using them */ |
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if (pool->lagging && total_staged()) |
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pool_tclear(pool, &pool->lagging); |
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if (pool_tclear(pool, &pool->idle)) |
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pool_resus(pool); |
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@ -5722,7 +5721,7 @@ begin_bench:
@@ -5722,7 +5721,7 @@ begin_bench:
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#endif |
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for (i = 0; i < mining_threads + opt_queue; i++) |
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queue_request(NULL, false); |
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queue_request(); |
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/* main loop - simply wait for workio thread to exit. This is not the
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* normal exit path and only occurs should the workio_thread die |
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