diff options
Diffstat (limited to 'sbin/hastd/secondary.c')
-rw-r--r-- | sbin/hastd/secondary.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/sbin/hastd/secondary.c b/sbin/hastd/secondary.c index 067c5d9..5e1207a 100644 --- a/sbin/hastd/secondary.c +++ b/sbin/hastd/secondary.c @@ -82,18 +82,21 @@ static struct hast_resource *gres; * until some in-progress requests are freed. */ static TAILQ_HEAD(, hio) hio_free_list; +static size_t hio_free_list_size; static pthread_mutex_t hio_free_list_lock; static pthread_cond_t hio_free_list_cond; /* * Disk thread (the one that does I/O requests) takes requests from this list. */ static TAILQ_HEAD(, hio) hio_disk_list; +static size_t hio_disk_list_size; static pthread_mutex_t hio_disk_list_lock; static pthread_cond_t hio_disk_list_cond; /* * Thread that sends requests back to primary takes requests from this list. */ static TAILQ_HEAD(, hio) hio_send_list; +static size_t hio_send_list_size; static pthread_mutex_t hio_send_list_lock; static pthread_cond_t hio_send_list_cond; @@ -107,14 +110,12 @@ static void *disk_thread(void *arg); static void *send_thread(void *arg); #define QUEUE_INSERT(name, hio) do { \ - bool _wakeup; \ - \ mtx_lock(&hio_##name##_list_lock); \ - _wakeup = TAILQ_EMPTY(&hio_##name##_list); \ + if (TAILQ_EMPTY(&hio_##name##_list)) \ + cv_broadcast(&hio_##name##_list_cond); \ TAILQ_INSERT_TAIL(&hio_##name##_list, (hio), hio_next); \ + hio_##name##_list_size++; \ mtx_unlock(&hio_##name##_list_lock); \ - if (_wakeup) \ - cv_broadcast(&hio_##name##_list_cond); \ } while (0) #define QUEUE_TAKE(name, hio) do { \ mtx_lock(&hio_##name##_list_lock); \ @@ -122,11 +123,22 @@ static void *send_thread(void *arg); cv_wait(&hio_##name##_list_cond, \ &hio_##name##_list_lock); \ } \ + PJDLOG_ASSERT(hio_##name##_list_size != 0); \ + hio_##name##_list_size--; \ TAILQ_REMOVE(&hio_##name##_list, (hio), hio_next); \ mtx_unlock(&hio_##name##_list_lock); \ } while (0) static void +output_status_aux(struct nv *nvout) +{ + + nv_add_uint64(nvout, (uint64_t)hio_free_list_size, "idle_queue_size"); + nv_add_uint64(nvout, (uint64_t)hio_disk_list_size, "local_queue_size"); + nv_add_uint64(nvout, (uint64_t)hio_send_list_size, "send_queue_size"); +} + +static void hio_clear(struct hio *hio) { @@ -190,6 +202,7 @@ init_environment(void) } hio_clear(hio); TAILQ_INSERT_HEAD(&hio_free_list, hio, hio_next); + hio_free_list_size++; } } @@ -441,6 +454,7 @@ hastd_secondary(struct hast_resource *res, struct nv *nvin) } gres = res; + res->output_status_aux = output_status_aux; mode = pjdlog_mode_get(); debuglevel = pjdlog_debug_get(); |