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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-pump.c
parentb5daabda5495dea5c50e17961ecfed2ea8619d76 (diff)
Merge remote-tracking branch 'refs/remotes/mamedev/master'
Second attempt
Diffstat (limited to '3rdparty/libuv/test/benchmark-pump.c')
-rw-r--r--3rdparty/libuv/test/benchmark-pump.c476
1 files changed, 476 insertions, 0 deletions
diff --git a/3rdparty/libuv/test/benchmark-pump.c b/3rdparty/libuv/test/benchmark-pump.c
new file mode 100644
index 00000000000..88f2dc5c658
--- /dev/null
+++ b/3rdparty/libuv/test/benchmark-pump.c
@@ -0,0 +1,476 @@
+/* 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"
+
+#include <math.h>
+#include <stdio.h>
+
+
+static int TARGET_CONNECTIONS;
+#define WRITE_BUFFER_SIZE 8192
+#define MAX_SIMULTANEOUS_CONNECTS 100
+
+#define PRINT_STATS 0
+#define STATS_INTERVAL 1000 /* msec */
+#define STATS_COUNT 5
+
+
+static void do_write(uv_stream_t*);
+static void maybe_connect_some();
+
+static uv_req_t* req_alloc();
+static void req_free(uv_req_t* uv_req);
+
+static void buf_alloc(uv_handle_t* handle, size_t size, uv_buf_t* buf);
+static void buf_free(const uv_buf_t* buf);
+
+static uv_loop_t* loop;
+
+static uv_tcp_t tcpServer;
+static uv_pipe_t pipeServer;
+static uv_stream_t* server;
+static struct sockaddr_in listen_addr;
+static struct sockaddr_in connect_addr;
+
+static int64_t start_time;
+
+static int max_connect_socket = 0;
+static int max_read_sockets = 0;
+static int read_sockets = 0;
+static int write_sockets = 0;
+
+static int64_t nrecv = 0;
+static int64_t nrecv_total = 0;
+static int64_t nsent = 0;
+static int64_t nsent_total = 0;
+
+static int stats_left = 0;
+
+static char write_buffer[WRITE_BUFFER_SIZE];
+
+/* Make this as large as you need. */
+#define MAX_WRITE_HANDLES 1000
+
+static stream_type type;
+
+static uv_tcp_t tcp_write_handles[MAX_WRITE_HANDLES];
+static uv_pipe_t pipe_write_handles[MAX_WRITE_HANDLES];
+
+static uv_timer_t timer_handle;
+
+
+static double gbit(int64_t bytes, int64_t passed_ms) {
+ double gbits = ((double)bytes / (1024 * 1024 * 1024)) * 8;
+ return gbits / ((double)passed_ms / 1000);
+}
+
+
+static void show_stats(uv_timer_t* handle) {
+ int64_t diff;
+ int i;
+
+#if PRINT_STATS
+ fprintf(stderr, "connections: %d, write: %.1f gbit/s\n",
+ write_sockets,
+ gbit(nsent, STATS_INTERVAL));
+ fflush(stderr);
+#endif
+
+ /* Exit if the show is over */
+ if (!--stats_left) {
+
+ uv_update_time(loop);
+ diff = uv_now(loop) - start_time;
+
+ fprintf(stderr, "%s_pump%d_client: %.1f gbit/s\n",
+ type == TCP ? "tcp" : "pipe",
+ write_sockets,
+ gbit(nsent_total, diff));
+ fflush(stderr);
+
+ for (i = 0; i < write_sockets; i++) {
+ if (type == TCP)
+ uv_close((uv_handle_t*) &tcp_write_handles[i], NULL);
+ else
+ uv_close((uv_handle_t*) &pipe_write_handles[i], NULL);
+ }
+
+ exit(0);
+ }
+
+ /* Reset read and write counters */
+ nrecv = 0;
+ nsent = 0;
+}
+
+
+static void read_show_stats(void) {
+ int64_t diff;
+
+ uv_update_time(loop);
+ diff = uv_now(loop) - start_time;
+
+ fprintf(stderr, "%s_pump%d_server: %.1f gbit/s\n",
+ type == TCP ? "tcp" : "pipe",
+ max_read_sockets,
+ gbit(nrecv_total, diff));
+ fflush(stderr);
+}
+
+
+
+static void read_sockets_close_cb(uv_handle_t* handle) {
+ free(handle);
+ read_sockets--;
+
+ /* If it's past the first second and everyone has closed their connection
+ * Then print stats.
+ */
+ if (uv_now(loop) - start_time > 1000 && read_sockets == 0) {
+ read_show_stats();
+ uv_close((uv_handle_t*)server, NULL);
+ }
+}
+
+
+static void start_stats_collection(void) {
+ int r;
+
+ /* Show-stats timer */
+ stats_left = STATS_COUNT;
+ r = uv_timer_init(loop, &timer_handle);
+ ASSERT(r == 0);
+ r = uv_timer_start(&timer_handle, show_stats, STATS_INTERVAL, STATS_INTERVAL);
+ ASSERT(r == 0);
+
+ uv_update_time(loop);
+ start_time = uv_now(loop);
+}
+
+
+static void read_cb(uv_stream_t* stream, ssize_t bytes, const uv_buf_t* buf) {
+ if (nrecv_total == 0) {
+ ASSERT(start_time == 0);
+ uv_update_time(loop);
+ start_time = uv_now(loop);
+ }
+
+ if (bytes < 0) {
+ uv_close((uv_handle_t*)stream, read_sockets_close_cb);
+ return;
+ }
+
+ buf_free(buf);
+
+ nrecv += bytes;
+ nrecv_total += bytes;
+}
+
+
+static void write_cb(uv_write_t* req, int status) {
+ ASSERT(status == 0);
+
+ req_free((uv_req_t*) req);
+
+ nsent += sizeof write_buffer;
+ nsent_total += sizeof write_buffer;
+
+ do_write((uv_stream_t*) req->handle);
+}
+
+
+static void do_write(uv_stream_t* stream) {
+ uv_write_t* req;
+ uv_buf_t buf;
+ int r;
+
+ buf.base = (char*) &write_buffer;
+ buf.len = sizeof write_buffer;
+
+ req = (uv_write_t*) req_alloc();
+ r = uv_write(req, stream, &buf, 1, write_cb);
+ ASSERT(r == 0);
+}
+
+
+static void connect_cb(uv_connect_t* req, int status) {
+ int i;
+
+ if (status) {
+ fprintf(stderr, "%s", uv_strerror(status));
+ fflush(stderr);
+ }
+ ASSERT(status == 0);
+
+ write_sockets++;
+ req_free((uv_req_t*) req);
+
+ maybe_connect_some();
+
+ if (write_sockets == TARGET_CONNECTIONS) {
+ start_stats_collection();
+
+ /* Yay! start writing */
+ for (i = 0; i < write_sockets; i++) {
+ if (type == TCP)
+ do_write((uv_stream_t*) &tcp_write_handles[i]);
+ else
+ do_write((uv_stream_t*) &pipe_write_handles[i]);
+ }
+ }
+}
+
+
+static void maybe_connect_some(void) {
+ uv_connect_t* req;
+ uv_tcp_t* tcp;
+ uv_pipe_t* pipe;
+ int r;
+
+ while (max_connect_socket < TARGET_CONNECTIONS &&
+ max_connect_socket < write_sockets + MAX_SIMULTANEOUS_CONNECTS) {
+ if (type == TCP) {
+ tcp = &tcp_write_handles[max_connect_socket++];
+
+ r = uv_tcp_init(loop, tcp);
+ ASSERT(r == 0);
+
+ req = (uv_connect_t*) req_alloc();
+ r = uv_tcp_connect(req,
+ tcp,
+ (const struct sockaddr*) &connect_addr,
+ connect_cb);
+ ASSERT(r == 0);
+ } else {
+ pipe = &pipe_write_handles[max_connect_socket++];
+
+ r = uv_pipe_init(loop, pipe, 0);
+ ASSERT(r == 0);
+
+ req = (uv_connect_t*) req_alloc();
+ uv_pipe_connect(req, pipe, TEST_PIPENAME, connect_cb);
+ }
+ }
+}
+
+
+static void connection_cb(uv_stream_t* s, int status) {
+ uv_stream_t* stream;
+ int r;
+
+ ASSERT(server == s);
+ ASSERT(status == 0);
+
+ if (type == TCP) {
+ stream = (uv_stream_t*)malloc(sizeof(uv_tcp_t));
+ r = uv_tcp_init(loop, (uv_tcp_t*)stream);
+ ASSERT(r == 0);
+ } else {
+ stream = (uv_stream_t*)malloc(sizeof(uv_pipe_t));
+ r = uv_pipe_init(loop, (uv_pipe_t*)stream, 0);
+ ASSERT(r == 0);
+ }
+
+ r = uv_accept(s, stream);
+ ASSERT(r == 0);
+
+ r = uv_read_start(stream, buf_alloc, read_cb);
+ ASSERT(r == 0);
+
+ read_sockets++;
+ max_read_sockets++;
+}
+
+
+/*
+ * Request allocator
+ */
+
+typedef struct req_list_s {
+ union uv_any_req uv_req;
+ struct req_list_s* next;
+} req_list_t;
+
+
+static req_list_t* req_freelist = NULL;
+
+
+static uv_req_t* req_alloc(void) {
+ req_list_t* req;
+
+ req = req_freelist;
+ if (req != NULL) {
+ req_freelist = req->next;
+ return (uv_req_t*) req;
+ }
+
+ req = (req_list_t*) malloc(sizeof *req);
+ return (uv_req_t*) req;
+}
+
+
+static void req_free(uv_req_t* uv_req) {
+ req_list_t* req = (req_list_t*) uv_req;
+
+ req->next = req_freelist;
+ req_freelist = req;
+}
+
+
+/*
+ * Buffer allocator
+ */
+
+typedef struct buf_list_s {
+ uv_buf_t uv_buf_t;
+ struct buf_list_s* next;
+} buf_list_t;
+
+
+static buf_list_t* buf_freelist = NULL;
+
+
+static void buf_alloc(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
+ buf_list_t* ab;
+
+ ab = buf_freelist;
+ if (ab != NULL)
+ buf_freelist = ab->next;
+ else {
+ ab = malloc(size + sizeof(*ab));
+ ab->uv_buf_t.len = size;
+ ab->uv_buf_t.base = (char*) (ab + 1);
+ }
+
+ *buf = ab->uv_buf_t;
+}
+
+
+static void buf_free(const uv_buf_t* buf) {
+ buf_list_t* ab = (buf_list_t*) buf->base - 1;
+ ab->next = buf_freelist;
+ buf_freelist = ab;
+}
+
+
+HELPER_IMPL(tcp_pump_server) {
+ int r;
+
+ type = TCP;
+ loop = uv_default_loop();
+
+ ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &listen_addr));
+
+ /* Server */
+ server = (uv_stream_t*)&tcpServer;
+ r = uv_tcp_init(loop, &tcpServer);
+ ASSERT(r == 0);
+ r = uv_tcp_bind(&tcpServer, (const struct sockaddr*) &listen_addr, 0);
+ ASSERT(r == 0);
+ r = uv_listen((uv_stream_t*)&tcpServer, MAX_WRITE_HANDLES, connection_cb);
+ ASSERT(r == 0);
+
+ uv_run(loop, UV_RUN_DEFAULT);
+
+ return 0;
+}
+
+
+HELPER_IMPL(pipe_pump_server) {
+ int r;
+ type = PIPE;
+
+ loop = uv_default_loop();
+
+ /* Server */
+ server = (uv_stream_t*)&pipeServer;
+ r = uv_pipe_init(loop, &pipeServer, 0);
+ ASSERT(r == 0);
+ r = uv_pipe_bind(&pipeServer, TEST_PIPENAME);
+ ASSERT(r == 0);
+ r = uv_listen((uv_stream_t*)&pipeServer, MAX_WRITE_HANDLES, connection_cb);
+ ASSERT(r == 0);
+
+ uv_run(loop, UV_RUN_DEFAULT);
+
+ MAKE_VALGRIND_HAPPY();
+ return 0;
+}
+
+
+static void tcp_pump(int n) {
+ ASSERT(n <= MAX_WRITE_HANDLES);
+ TARGET_CONNECTIONS = n;
+ type = TCP;
+
+ loop = uv_default_loop();
+
+ ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &connect_addr));
+
+ /* Start making connections */
+ maybe_connect_some();
+
+ uv_run(loop, UV_RUN_DEFAULT);
+
+ MAKE_VALGRIND_HAPPY();
+}
+
+
+static void pipe_pump(int n) {
+ ASSERT(n <= MAX_WRITE_HANDLES);
+ TARGET_CONNECTIONS = n;
+ type = PIPE;
+
+ loop = uv_default_loop();
+
+ /* Start making connections */
+ maybe_connect_some();
+
+ uv_run(loop, UV_RUN_DEFAULT);
+
+ MAKE_VALGRIND_HAPPY();
+}
+
+
+BENCHMARK_IMPL(tcp_pump100_client) {
+ tcp_pump(100);
+ return 0;
+}
+
+
+BENCHMARK_IMPL(tcp_pump1_client) {
+ tcp_pump(1);
+ return 0;
+}
+
+
+BENCHMARK_IMPL(pipe_pump100_client) {
+ pipe_pump(100);
+ return 0;
+}
+
+
+BENCHMARK_IMPL(pipe_pump1_client) {
+ pipe_pump(1);
+ return 0;
+}