diff options
author | Craig Tiller <ctiller@google.com> | 2016-07-12 15:33:11 -0700 |
---|---|---|
committer | Craig Tiller <ctiller@google.com> | 2016-07-12 15:33:11 -0700 |
commit | b19dbead674b44df9a54e238e49a64c64b373c83 (patch) | |
tree | 68c6edf35fae8d5cc5c1f0298db68dcdebb7bb6f | |
parent | 1d03e100eba7ac2b2071b0abd7eb304b9fa5a3de (diff) |
Make request freelists per cq, to allow drastically higher requested call counts
-rw-r--r-- | src/core/lib/surface/server.c | 70 | ||||
-rw-r--r-- | test/cpp/qps/server_async.cc | 2 |
2 files changed, 42 insertions, 30 deletions
diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c index def6e5068b..54f7e3ae0b 100644 --- a/src/core/lib/surface/server.c +++ b/src/core/lib/surface/server.c @@ -73,6 +73,7 @@ typedef enum { BATCH_CALL, REGISTERED_CALL } requested_call_type; typedef struct requested_call { requested_call_type type; + size_t cq_idx; void *tag; grpc_server *server; grpc_completion_queue *cq_bound_to_call; @@ -207,10 +208,10 @@ struct grpc_server { /** one request matcher for unregistered methods */ request_matcher unregistered_request_matcher; /** free list of available requested_calls indices */ - gpr_stack_lockfree *request_freelist; + gpr_stack_lockfree **request_freelist_per_cq; /** requested call backing data */ - requested_call *requested_calls; - size_t max_requested_calls; + requested_call **requested_calls_per_cq; + int max_requested_calls_per_cq; gpr_atm shutdown_flag; uint8_t shutdown_published; @@ -357,7 +358,8 @@ static void request_matcher_kill_requests(grpc_exec_ctx *exec_ctx, for (size_t i = 0; i < server->cq_count; i++) { while ((request_id = gpr_stack_lockfree_pop(rm->requests_per_cq[i])) != -1) { - fail_call(exec_ctx, server, i, &server->requested_calls[request_id], + fail_call(exec_ctx, server, i, + &server->requested_calls_per_cq[i][request_id], GRPC_ERROR_REF(error)); } } @@ -392,12 +394,16 @@ static void server_delete(grpc_exec_ctx *exec_ctx, grpc_server *server) { } for (i = 0; i < server->cq_count; i++) { GRPC_CQ_INTERNAL_UNREF(server->cqs[i], "server"); + if (server->started) { + gpr_stack_lockfree_destroy(server->request_freelist_per_cq[i]); + gpr_free(server->requested_calls_per_cq[i]); + } } - gpr_stack_lockfree_destroy(server->request_freelist); + gpr_free(server->request_freelist_per_cq); + gpr_free(server->requested_calls_per_cq); gpr_free(server->cqs); gpr_free(server->pollsets); gpr_free(server->shutdown_tags); - gpr_free(server->requested_calls); gpr_free(server); } @@ -460,11 +466,13 @@ static void done_request_event(grpc_exec_ctx *exec_ctx, void *req, requested_call *rc = req; grpc_server *server = rc->server; - if (rc >= server->requested_calls && - rc < server->requested_calls + server->max_requested_calls) { - GPR_ASSERT(rc - server->requested_calls <= INT_MAX); - gpr_stack_lockfree_push(server->request_freelist, - (int)(rc - server->requested_calls)); + if (rc >= server->requested_calls_per_cq[rc->cq_idx] && + rc < server->requested_calls_per_cq[rc->cq_idx] + + server->max_requested_calls_per_cq) { + GPR_ASSERT(rc - server->requested_calls_per_cq[rc->cq_idx] <= INT_MAX); + gpr_stack_lockfree_push( + server->request_freelist_per_cq[rc->cq_idx], + (int)(rc - server->requested_calls_per_cq[rc->cq_idx])); } else { gpr_free(req); } @@ -540,7 +548,7 @@ static void publish_new_rpc(grpc_exec_ctx *exec_ctx, void *arg, calld->state = ACTIVATED; gpr_mu_unlock(&calld->mu_state); publish_call(exec_ctx, server, calld, cq_idx, - &server->requested_calls[request_id]); + &server->requested_calls_per_cq[cq_idx][request_id]); return; /* early out */ } } @@ -979,8 +987,6 @@ void grpc_server_register_non_listening_completion_queue( } grpc_server *grpc_server_create(const grpc_channel_args *args, void *reserved) { - size_t i; - GRPC_API_TRACE("grpc_server_create(%p, %p)", 2, (args, reserved)); grpc_server *server = gpr_malloc(sizeof(grpc_server)); @@ -998,15 +1004,7 @@ grpc_server *grpc_server_create(const grpc_channel_args *args, void *reserved) { &server->root_channel_data; /* TODO(ctiller): expose a channel_arg for this */ - server->max_requested_calls = 32768; - server->request_freelist = - gpr_stack_lockfree_create(server->max_requested_calls); - for (i = 0; i < (size_t)server->max_requested_calls; i++) { - gpr_stack_lockfree_push(server->request_freelist, (int)i); - } - server->requested_calls = gpr_malloc(server->max_requested_calls * - sizeof(*server->requested_calls)); - + server->max_requested_calls_per_cq = 32768; server->channel_args = grpc_channel_args_copy(args); return server; @@ -1066,16 +1064,28 @@ void grpc_server_start(grpc_server *server) { server->started = true; size_t pollset_count = 0; server->pollsets = gpr_malloc(sizeof(grpc_pollset *) * server->cq_count); + server->request_freelist_per_cq = + gpr_malloc(sizeof(*server->request_freelist_per_cq) * server->cq_count); + server->requested_calls_per_cq = + gpr_malloc(sizeof(*server->requested_calls_per_cq) * server->cq_count); for (i = 0; i < server->cq_count; i++) { if (!grpc_cq_is_non_listening_server_cq(server->cqs[i])) { server->pollsets[pollset_count++] = grpc_cq_pollset(server->cqs[i]); } + server->request_freelist_per_cq[i] = + gpr_stack_lockfree_create((size_t)server->max_requested_calls_per_cq); + for (int j = 0; j < server->max_requested_calls_per_cq; j++) { + gpr_stack_lockfree_push(server->request_freelist_per_cq[i], j); + } + server->requested_calls_per_cq[i] = + gpr_malloc((size_t)server->max_requested_calls_per_cq * + sizeof(*server->requested_calls_per_cq[i])); } request_matcher_init(&server->unregistered_request_matcher, - server->max_requested_calls, server); + (size_t)server->max_requested_calls_per_cq, server); for (registered_method *rm = server->registered_methods; rm; rm = rm->next) { - request_matcher_init(&rm->request_matcher, server->max_requested_calls, - server); + request_matcher_init(&rm->request_matcher, + (size_t)server->max_requested_calls_per_cq, server); } for (l = server->listeners; l; l = l->next) { @@ -1307,7 +1317,7 @@ static grpc_call_error queue_call_request(grpc_exec_ctx *exec_ctx, GRPC_ERROR_CREATE("Server Shutdown")); return GRPC_CALL_OK; } - request_id = gpr_stack_lockfree_pop(server->request_freelist); + request_id = gpr_stack_lockfree_pop(server->request_freelist_per_cq[cq_idx]); if (request_id == -1) { /* out of request ids: just fail this one */ fail_call(exec_ctx, server, cq_idx, rc, @@ -1322,7 +1332,7 @@ static grpc_call_error queue_call_request(grpc_exec_ctx *exec_ctx, rm = &rc->data.registered.registered_method->request_matcher; break; } - server->requested_calls[request_id] = *rc; + server->requested_calls_per_cq[cq_idx][request_id] = *rc; gpr_free(rc); if (gpr_stack_lockfree_push(rm->requests_per_cq[cq_idx], request_id)) { /* this was the first queued request: we need to lock and start @@ -1346,7 +1356,7 @@ static grpc_call_error queue_call_request(grpc_exec_ctx *exec_ctx, calld->state = ACTIVATED; gpr_mu_unlock(&calld->mu_state); publish_call(exec_ctx, server, calld, cq_idx, - &server->requested_calls[request_id]); + &server->requested_calls_per_cq[cq_idx][request_id]); } gpr_mu_lock(&server->mu_call); } @@ -1382,6 +1392,7 @@ grpc_call_error grpc_server_request_call( } grpc_cq_begin_op(cq_for_notification, tag); details->reserved = NULL; + rc->cq_idx = cq_idx; rc->type = BATCH_CALL; rc->server = server; rc->tag = tag; @@ -1430,6 +1441,7 @@ grpc_call_error grpc_server_request_registered_call( goto done; } grpc_cq_begin_op(cq_for_notification, tag); + rc->cq_idx = cq_idx; rc->type = REGISTERED_CALL; rc->server = server; rc->tag = tag; diff --git a/test/cpp/qps/server_async.cc b/test/cpp/qps/server_async.cc index c9954d0d02..f91f62dc0d 100644 --- a/test/cpp/qps/server_async.cc +++ b/test/cpp/qps/server_async.cc @@ -102,7 +102,7 @@ class AsyncQpsServerTest : public Server { auto process_rpc_bound = std::bind(process_rpc, config.payload_config(), _1, _2); - for (int i = 0; i < 10000 / num_threads; i++) { + for (int i = 0; i < 20000; i++) { for (int j = 0; j < num_threads; j++) { if (request_unary_function) { auto request_unary = |