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@ -1997,8 +1997,6 @@ retry:
@@ -1997,8 +1997,6 @@ retry:
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if (!rc && retries < 3) |
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goto retry; |
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pool->currently_rolling = !!work->rolltime; |
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gettimeofday(&tv_end, NULL); |
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timersub(&tv_end, &tv_start, &tv_elapsed); |
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pool_stats->getwork_wait_rolling += ((double)tv_elapsed.tv_sec + ((double)tv_elapsed.tv_usec / 1000000)) * 0.63; |
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@ -2287,6 +2285,86 @@ static int global_queued(void)
@@ -2287,6 +2285,86 @@ static int global_queued(void)
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return ret; |
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} |
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static bool stale_work(struct work *work, bool share); |
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static inline bool should_roll(struct work *work) |
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{ |
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if (work->pool == current_pool() || pool_strategy == POOL_LOADBALANCE) |
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return true; |
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return false; |
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} |
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/* Limit rolls to 7000 to not beyond 2 hours in the future where bitcoind will
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* reject blocks as invalid. */ |
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static inline bool can_roll(struct work *work) |
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{ |
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return (work->pool && work->rolltime && !work->clone && |
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work->rolls < 7000 && !stale_work(work, false)); |
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} |
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static void roll_work(struct work *work) |
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{ |
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uint32_t *work_ntime; |
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uint32_t ntime; |
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work_ntime = (uint32_t *)(work->data + 68); |
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ntime = be32toh(*work_ntime); |
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ntime++; |
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*work_ntime = htobe32(ntime); |
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local_work++; |
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work->rolls++; |
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work->blk.nonce = 0; |
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applog(LOG_DEBUG, "Successfully rolled work"); |
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/* This is now a different work item so it needs a different ID for the
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* hashtable */ |
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work->id = total_work++; |
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} |
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static struct work *make_clone(struct work *work) |
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{ |
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struct work *work_clone = make_work(); |
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memcpy(work_clone, work, sizeof(struct work)); |
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work_clone->clone = true; |
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work_clone->longpoll = false; |
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work_clone->mandatory = false; |
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/* Make cloned work appear slightly older to bias towards keeping the
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* master work item which can be further rolled */ |
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work_clone->tv_staged.tv_sec -= 1; |
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return work_clone; |
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} |
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static bool stage_work(struct work *work); |
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static bool clone_available(void) |
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{ |
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struct work *work, *tmp; |
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bool cloned = false; |
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mutex_lock(stgd_lock); |
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HASH_ITER(hh, staged_work, work, tmp) { |
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if (can_roll(work) && should_roll(work)) { |
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struct work *work_clone; |
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roll_work(work); |
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work_clone = make_clone(work); |
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roll_work(work); |
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applog(LOG_DEBUG, "Pushing cloned available work to stage thread"); |
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if (unlikely(!stage_work(work_clone))) { |
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free(work_clone); |
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break; |
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} |
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cloned = true; |
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break; |
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} |
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} |
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mutex_unlock(stgd_lock); |
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return cloned; |
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} |
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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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@ -2313,8 +2391,9 @@ static void *get_work_thread(void *userdata)
@@ -2313,8 +2391,9 @@ static void *get_work_thread(void *userdata)
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if (!ts) |
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lagging = true; |
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else if (((cs || cq >= opt_queue) && ts >= maxq) || ((cs || cq) && tq >= maxq)) |
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goto out; |
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else if (((cs || cq >= opt_queue) && ts >= maxq) || |
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((cs || cq) && tq >= maxq) || clone_available()) |
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goto out; |
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ret_work = make_work(); |
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if (wc->thr) |
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@ -3859,40 +3938,6 @@ static struct work *hash_pop(const struct timespec *abstime)
@@ -3859,40 +3938,6 @@ static struct work *hash_pop(const struct timespec *abstime)
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return work; |
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} |
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static inline bool should_roll(struct work *work) |
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{ |
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if (work->pool == current_pool() || pool_strategy == POOL_LOADBALANCE) |
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return true; |
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return false; |
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} |
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/* Limit rolls to 7000 to not beyond 2 hours in the future where bitcoind will
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* reject blocks as invalid. */ |
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static inline bool can_roll(struct work *work) |
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{ |
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return (work->pool && work->rolltime && !work->clone && |
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work->rolls < 7000 && !stale_work(work, false)); |
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} |
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static void roll_work(struct work *work) |
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{ |
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uint32_t *work_ntime; |
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uint32_t ntime; |
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work_ntime = (uint32_t *)(work->data + 68); |
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ntime = be32toh(*work_ntime); |
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ntime++; |
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*work_ntime = htobe32(ntime); |
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local_work++; |
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work->rolls++; |
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work->blk.nonce = 0; |
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applog(LOG_DEBUG, "Successfully rolled work"); |
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/* This is now a different work item so it needs a different ID for the
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* hashtable */ |
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work->id = total_work++; |
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} |
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static bool reuse_work(struct work *work) |
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{ |
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if (can_roll(work) && should_roll(work)) { |
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@ -3902,21 +3947,6 @@ static bool reuse_work(struct work *work)
@@ -3902,21 +3947,6 @@ static bool reuse_work(struct work *work)
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return false; |
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} |
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static struct work *make_clone(struct work *work) |
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{ |
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struct work *work_clone = make_work(); |
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memcpy(work_clone, work, sizeof(struct work)); |
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work_clone->clone = true; |
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work_clone->longpoll = false; |
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work_clone->mandatory = false; |
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/* Make cloned work appear slightly older to bias towards keeping the
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* master work item which can be further rolled */ |
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work_clone->tv_staged.tv_sec -= 1; |
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return work_clone; |
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} |
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/* Clones work by rolling it if possible, and returning a clone instead of the
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* original work item which gets staged again to possibly be rolled again in |
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* the future */ |
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