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author ImJezze <jezze@gmx.net>2016-02-21 11:48:45 +0100
committer ImJezze <jezze@gmx.net>2016-02-21 11:48:45 +0100
commitcc24a339d8c0517259084b5c178d784626ba965c (patch)
tree9868e9687b5802ae0a3733712a3bbeb3bc75c953 /3rdparty/libuv/test/benchmark-multi-accept.c
parentb5daabda5495dea5c50e17961ecfed2ea8619d76 (diff)
Merge remote-tracking branch 'refs/remotes/mamedev/master'
Second attempt
Diffstat (limited to '3rdparty/libuv/test/benchmark-multi-accept.c')
-rw-r--r--3rdparty/libuv/test/benchmark-multi-accept.c447
1 files changed, 447 insertions, 0 deletions
diff --git a/3rdparty/libuv/test/benchmark-multi-accept.c b/3rdparty/libuv/test/benchmark-multi-accept.c
new file mode 100644
index 00000000000..2f32c0caf4a
--- /dev/null
+++ b/3rdparty/libuv/test/benchmark-multi-accept.c
@@ -0,0 +1,447 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "task.h"
+#include "uv.h"
+
+#define IPC_PIPE_NAME TEST_PIPENAME
+#define NUM_CONNECTS (250 * 1000)
+
+union stream_handle {
+ uv_pipe_t pipe;
+ uv_tcp_t tcp;
+};
+
+/* Use as (uv_stream_t *) &handle_storage -- it's kind of clunky but it
+ * avoids aliasing warnings.
+ */
+typedef unsigned char handle_storage_t[sizeof(union stream_handle)];
+
+/* Used for passing around the listen handle, not part of the benchmark proper.
+ * We have an overabundance of server types here. It works like this:
+ *
+ * 1. The main thread starts an IPC pipe server.
+ * 2. The worker threads connect to the IPC server and obtain a listen handle.
+ * 3. The worker threads start accepting requests on the listen handle.
+ * 4. The main thread starts connecting repeatedly.
+ *
+ * Step #4 should perhaps be farmed out over several threads.
+ */
+struct ipc_server_ctx {
+ handle_storage_t server_handle;
+ unsigned int num_connects;
+ uv_pipe_t ipc_pipe;
+};
+
+struct ipc_peer_ctx {
+ handle_storage_t peer_handle;
+ uv_write_t write_req;
+};
+
+struct ipc_client_ctx {
+ uv_connect_t connect_req;
+ uv_stream_t* server_handle;
+ uv_pipe_t ipc_pipe;
+ char scratch[16];
+};
+
+/* Used in the actual benchmark. */
+struct server_ctx {
+ handle_storage_t server_handle;
+ unsigned int num_connects;
+ uv_async_t async_handle;
+ uv_thread_t thread_id;
+ uv_sem_t semaphore;
+};
+
+struct client_ctx {
+ handle_storage_t client_handle;
+ unsigned int num_connects;
+ uv_connect_t connect_req;
+ uv_idle_t idle_handle;
+};
+
+static void ipc_connection_cb(uv_stream_t* ipc_pipe, int status);
+static void ipc_write_cb(uv_write_t* req, int status);
+static void ipc_close_cb(uv_handle_t* handle);
+static void ipc_connect_cb(uv_connect_t* req, int status);
+static void ipc_read_cb(uv_stream_t* handle,
+ ssize_t nread,
+ const uv_buf_t* buf);
+static void ipc_alloc_cb(uv_handle_t* handle,
+ size_t suggested_size,
+ uv_buf_t* buf);
+
+static void sv_async_cb(uv_async_t* handle);
+static void sv_connection_cb(uv_stream_t* server_handle, int status);
+static void sv_read_cb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf);
+static void sv_alloc_cb(uv_handle_t* handle,
+ size_t suggested_size,
+ uv_buf_t* buf);
+
+static void cl_connect_cb(uv_connect_t* req, int status);
+static void cl_idle_cb(uv_idle_t* handle);
+static void cl_close_cb(uv_handle_t* handle);
+
+static struct sockaddr_in listen_addr;
+
+
+static void ipc_connection_cb(uv_stream_t* ipc_pipe, int status) {
+ struct ipc_server_ctx* sc;
+ struct ipc_peer_ctx* pc;
+ uv_loop_t* loop;
+ uv_buf_t buf;
+
+ loop = ipc_pipe->loop;
+ buf = uv_buf_init("PING", 4);
+ sc = container_of(ipc_pipe, struct ipc_server_ctx, ipc_pipe);
+ pc = calloc(1, sizeof(*pc));
+ ASSERT(pc != NULL);
+
+ if (ipc_pipe->type == UV_TCP)
+ ASSERT(0 == uv_tcp_init(loop, (uv_tcp_t*) &pc->peer_handle));
+ else if (ipc_pipe->type == UV_NAMED_PIPE)
+ ASSERT(0 == uv_pipe_init(loop, (uv_pipe_t*) &pc->peer_handle, 1));
+ else
+ ASSERT(0);
+
+ ASSERT(0 == uv_accept(ipc_pipe, (uv_stream_t*) &pc->peer_handle));
+ ASSERT(0 == uv_write2(&pc->write_req,
+ (uv_stream_t*) &pc->peer_handle,
+ &buf,
+ 1,
+ (uv_stream_t*) &sc->server_handle,
+ ipc_write_cb));
+
+ if (--sc->num_connects == 0)
+ uv_close((uv_handle_t*) ipc_pipe, NULL);
+}
+
+
+static void ipc_write_cb(uv_write_t* req, int status) {
+ struct ipc_peer_ctx* ctx;
+ ctx = container_of(req, struct ipc_peer_ctx, write_req);
+ uv_close((uv_handle_t*) &ctx->peer_handle, ipc_close_cb);
+}
+
+
+static void ipc_close_cb(uv_handle_t* handle) {
+ struct ipc_peer_ctx* ctx;
+ ctx = container_of(handle, struct ipc_peer_ctx, peer_handle);
+ free(ctx);
+}
+
+
+static void ipc_connect_cb(uv_connect_t* req, int status) {
+ struct ipc_client_ctx* ctx;
+ ctx = container_of(req, struct ipc_client_ctx, connect_req);
+ ASSERT(0 == status);
+ ASSERT(0 == uv_read_start((uv_stream_t*) &ctx->ipc_pipe,
+ ipc_alloc_cb,
+ ipc_read_cb));
+}
+
+
+static void ipc_alloc_cb(uv_handle_t* handle,
+ size_t suggested_size,
+ uv_buf_t* buf) {
+ struct ipc_client_ctx* ctx;
+ ctx = container_of(handle, struct ipc_client_ctx, ipc_pipe);
+ buf->base = ctx->scratch;
+ buf->len = sizeof(ctx->scratch);
+}
+
+
+static void ipc_read_cb(uv_stream_t* handle,
+ ssize_t nread,
+ const uv_buf_t* buf) {
+ struct ipc_client_ctx* ctx;
+ uv_loop_t* loop;
+ uv_handle_type type;
+ uv_pipe_t* ipc_pipe;
+
+ ipc_pipe = (uv_pipe_t*) handle;
+ ctx = container_of(ipc_pipe, struct ipc_client_ctx, ipc_pipe);
+ loop = ipc_pipe->loop;
+
+ ASSERT(1 == uv_pipe_pending_count(ipc_pipe));
+ type = uv_pipe_pending_type(ipc_pipe);
+ if (type == UV_TCP)
+ ASSERT(0 == uv_tcp_init(loop, (uv_tcp_t*) ctx->server_handle));
+ else if (type == UV_NAMED_PIPE)
+ ASSERT(0 == uv_pipe_init(loop, (uv_pipe_t*) ctx->server_handle, 0));
+ else
+ ASSERT(0);
+
+ ASSERT(0 == uv_accept(handle, ctx->server_handle));
+ uv_close((uv_handle_t*) &ctx->ipc_pipe, NULL);
+}
+
+
+/* Set up an IPC pipe server that hands out listen sockets to the worker
+ * threads. It's kind of cumbersome for such a simple operation, maybe we
+ * should revive uv_import() and uv_export().
+ */
+static void send_listen_handles(uv_handle_type type,
+ unsigned int num_servers,
+ struct server_ctx* servers) {
+ struct ipc_server_ctx ctx;
+ uv_loop_t* loop;
+ unsigned int i;
+
+ loop = uv_default_loop();
+ ctx.num_connects = num_servers;
+
+ if (type == UV_TCP) {
+ ASSERT(0 == uv_tcp_init(loop, (uv_tcp_t*) &ctx.server_handle));
+ ASSERT(0 == uv_tcp_bind((uv_tcp_t*) &ctx.server_handle,
+ (const struct sockaddr*) &listen_addr,
+ 0));
+ }
+ else
+ ASSERT(0);
+
+ ASSERT(0 == uv_pipe_init(loop, &ctx.ipc_pipe, 1));
+ ASSERT(0 == uv_pipe_bind(&ctx.ipc_pipe, IPC_PIPE_NAME));
+ ASSERT(0 == uv_listen((uv_stream_t*) &ctx.ipc_pipe, 128, ipc_connection_cb));
+
+ for (i = 0; i < num_servers; i++)
+ uv_sem_post(&servers[i].semaphore);
+
+ ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
+ uv_close((uv_handle_t*) &ctx.server_handle, NULL);
+ ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
+
+ for (i = 0; i < num_servers; i++)
+ uv_sem_wait(&servers[i].semaphore);
+}
+
+
+static void get_listen_handle(uv_loop_t* loop, uv_stream_t* server_handle) {
+ struct ipc_client_ctx ctx;
+
+ ctx.server_handle = server_handle;
+ ctx.server_handle->data = "server handle";
+
+ ASSERT(0 == uv_pipe_init(loop, &ctx.ipc_pipe, 1));
+ uv_pipe_connect(&ctx.connect_req,
+ &ctx.ipc_pipe,
+ IPC_PIPE_NAME,
+ ipc_connect_cb);
+ ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
+}
+
+
+static void server_cb(void *arg) {
+ struct server_ctx *ctx;
+ uv_loop_t loop;
+
+ ctx = arg;
+ ASSERT(0 == uv_loop_init(&loop));
+
+ ASSERT(0 == uv_async_init(&loop, &ctx->async_handle, sv_async_cb));
+ uv_unref((uv_handle_t*) &ctx->async_handle);
+
+ /* Wait until the main thread is ready. */
+ uv_sem_wait(&ctx->semaphore);
+ get_listen_handle(&loop, (uv_stream_t*) &ctx->server_handle);
+ uv_sem_post(&ctx->semaphore);
+
+ /* Now start the actual benchmark. */
+ ASSERT(0 == uv_listen((uv_stream_t*) &ctx->server_handle,
+ 128,
+ sv_connection_cb));
+ ASSERT(0 == uv_run(&loop, UV_RUN_DEFAULT));
+
+ uv_loop_close(&loop);
+}
+
+
+static void sv_async_cb(uv_async_t* handle) {
+ struct server_ctx* ctx;
+ ctx = container_of(handle, struct server_ctx, async_handle);
+ uv_close((uv_handle_t*) &ctx->server_handle, NULL);
+ uv_close((uv_handle_t*) &ctx->async_handle, NULL);
+}
+
+
+static void sv_connection_cb(uv_stream_t* server_handle, int status) {
+ handle_storage_t* storage;
+ struct server_ctx* ctx;
+
+ ctx = container_of(server_handle, struct server_ctx, server_handle);
+ ASSERT(status == 0);
+
+ storage = malloc(sizeof(*storage));
+ ASSERT(storage != NULL);
+
+ if (server_handle->type == UV_TCP)
+ ASSERT(0 == uv_tcp_init(server_handle->loop, (uv_tcp_t*) storage));
+ else if (server_handle->type == UV_NAMED_PIPE)
+ ASSERT(0 == uv_pipe_init(server_handle->loop, (uv_pipe_t*) storage, 0));
+ else
+ ASSERT(0);
+
+ ASSERT(0 == uv_accept(server_handle, (uv_stream_t*) storage));
+ ASSERT(0 == uv_read_start((uv_stream_t*) storage, sv_alloc_cb, sv_read_cb));
+ ctx->num_connects++;
+}
+
+
+static void sv_alloc_cb(uv_handle_t* handle,
+ size_t suggested_size,
+ uv_buf_t* buf) {
+ static char slab[32];
+ buf->base = slab;
+ buf->len = sizeof(slab);
+}
+
+
+static void sv_read_cb(uv_stream_t* handle,
+ ssize_t nread,
+ const uv_buf_t* buf) {
+ ASSERT(nread == UV_EOF);
+ uv_close((uv_handle_t*) handle, (uv_close_cb) free);
+}
+
+
+static void cl_connect_cb(uv_connect_t* req, int status) {
+ struct client_ctx* ctx = container_of(req, struct client_ctx, connect_req);
+ uv_idle_start(&ctx->idle_handle, cl_idle_cb);
+ ASSERT(0 == status);
+}
+
+
+static void cl_idle_cb(uv_idle_t* handle) {
+ struct client_ctx* ctx = container_of(handle, struct client_ctx, idle_handle);
+ uv_close((uv_handle_t*) &ctx->client_handle, cl_close_cb);
+ uv_idle_stop(&ctx->idle_handle);
+}
+
+
+static void cl_close_cb(uv_handle_t* handle) {
+ struct client_ctx* ctx;
+
+ ctx = container_of(handle, struct client_ctx, client_handle);
+
+ if (--ctx->num_connects == 0) {
+ uv_close((uv_handle_t*) &ctx->idle_handle, NULL);
+ return;
+ }
+
+ ASSERT(0 == uv_tcp_init(handle->loop, (uv_tcp_t*) &ctx->client_handle));
+ ASSERT(0 == uv_tcp_connect(&ctx->connect_req,
+ (uv_tcp_t*) &ctx->client_handle,
+ (const struct sockaddr*) &listen_addr,
+ cl_connect_cb));
+}
+
+
+static int test_tcp(unsigned int num_servers, unsigned int num_clients) {
+ struct server_ctx* servers;
+ struct client_ctx* clients;
+ uv_loop_t* loop;
+ uv_tcp_t* handle;
+ unsigned int i;
+ double time;
+
+ ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &listen_addr));
+ loop = uv_default_loop();
+
+ servers = calloc(num_servers, sizeof(servers[0]));
+ clients = calloc(num_clients, sizeof(clients[0]));
+ ASSERT(servers != NULL);
+ ASSERT(clients != NULL);
+
+ /* We're making the assumption here that from the perspective of the
+ * OS scheduler, threads are functionally equivalent to and interchangeable
+ * with full-blown processes.
+ */
+ for (i = 0; i < num_servers; i++) {
+ struct server_ctx* ctx = servers + i;
+ ASSERT(0 == uv_sem_init(&ctx->semaphore, 0));
+ ASSERT(0 == uv_thread_create(&ctx->thread_id, server_cb, ctx));
+ }
+
+ send_listen_handles(UV_TCP, num_servers, servers);
+
+ for (i = 0; i < num_clients; i++) {
+ struct client_ctx* ctx = clients + i;
+ ctx->num_connects = NUM_CONNECTS / num_clients;
+ handle = (uv_tcp_t*) &ctx->client_handle;
+ handle->data = "client handle";
+ ASSERT(0 == uv_tcp_init(loop, handle));
+ ASSERT(0 == uv_tcp_connect(&ctx->connect_req,
+ handle,
+ (const struct sockaddr*) &listen_addr,
+ cl_connect_cb));
+ ASSERT(0 == uv_idle_init(loop, &ctx->idle_handle));
+ }
+
+ {
+ uint64_t t = uv_hrtime();
+ ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
+ t = uv_hrtime() - t;
+ time = t / 1e9;
+ }
+
+ for (i = 0; i < num_servers; i++) {
+ struct server_ctx* ctx = servers + i;
+ uv_async_send(&ctx->async_handle);
+ ASSERT(0 == uv_thread_join(&ctx->thread_id));
+ uv_sem_destroy(&ctx->semaphore);
+ }
+
+ printf("accept%u: %.0f accepts/sec (%u total)\n",
+ num_servers,
+ NUM_CONNECTS / time,
+ NUM_CONNECTS);
+
+ for (i = 0; i < num_servers; i++) {
+ struct server_ctx* ctx = servers + i;
+ printf(" thread #%u: %.0f accepts/sec (%u total, %.1f%%)\n",
+ i,
+ ctx->num_connects / time,
+ ctx->num_connects,
+ ctx->num_connects * 100.0 / NUM_CONNECTS);
+ }
+
+ free(clients);
+ free(servers);
+
+ MAKE_VALGRIND_HAPPY();
+ return 0;
+}
+
+
+BENCHMARK_IMPL(tcp_multi_accept2) {
+ return test_tcp(2, 40);
+}
+
+
+BENCHMARK_IMPL(tcp_multi_accept4) {
+ return test_tcp(4, 40);
+}
+
+
+BENCHMARK_IMPL(tcp_multi_accept8) {
+ return test_tcp(8, 40);
+}