diff options
Diffstat (limited to 'perf/inproc_lat.cpp')
| -rw-r--r-- | perf/inproc_lat.cpp | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/perf/inproc_lat.cpp b/perf/inproc_lat.cpp new file mode 100644 index 0000000..e5d080a --- /dev/null +++ b/perf/inproc_lat.cpp @@ -0,0 +1,231 @@ +/* + Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + 0MQ is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "../include/zmq.h" +#include "../include/zmq_utils.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "platform.hpp" + +#if defined ZMQ_HAVE_WINDOWS +#include <windows.h> +#include <process.h> +#else +#include <pthread.h> +#endif + +static size_t message_size; +static int roundtrip_count; + +#if defined ZMQ_HAVE_WINDOWS +static unsigned int __stdcall worker (void *ctx_) +#else +static void *worker (void *ctx_) +#endif +{ + void *s; + int rc; + int i; + zmq_msg_t msg; + + s = zmq_socket (ctx_, ZMQ_REP); + if (!s) { + printf ("error in zmq_socket: %s\n", zmq_strerror (errno)); + exit (1); + } + + rc = zmq_connect (s, "inproc://lat_test"); + if (rc != 0) { + printf ("error in zmq_connect: %s\n", zmq_strerror (errno)); + exit (1); + } + + rc = zmq_msg_init (&msg); + if (rc != 0) { + printf ("error in zmq_msg_init: %s\n", zmq_strerror (errno)); + exit (1); + } + + for (i = 0; i != roundtrip_count; i++) { + rc = zmq_recvmsg (s, &msg, 0); + if (rc < 0) { + printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno)); + exit (1); + } + rc = zmq_sendmsg (s, &msg, 0); + if (rc < 0) { + printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno)); + exit (1); + } + } + + rc = zmq_msg_close (&msg); + if (rc != 0) { + printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno)); + exit (1); + } + + rc = zmq_close (s); + if (rc != 0) { + printf ("error in zmq_close: %s\n", zmq_strerror (errno)); + exit (1); + } + +#if defined ZMQ_HAVE_WINDOWS + return 0; +#else + return NULL; +#endif +} + +int main (int argc, char *argv []) +{ +#if defined ZMQ_HAVE_WINDOWS + HANDLE local_thread; +#else + pthread_t local_thread; +#endif + void *ctx; + void *s; + int rc; + int i; + zmq_msg_t msg; + void *watch; + unsigned long elapsed; + double latency; + + if (argc != 3) { + printf ("usage: inproc_lat <message-size> <roundtrip-count>\n"); + return 1; + } + + message_size = atoi (argv [1]); + roundtrip_count = atoi (argv [2]); + + ctx = zmq_init (1); + if (!ctx) { + printf ("error in zmq_init: %s\n", zmq_strerror (errno)); + return -1; + } + + s = zmq_socket (ctx, ZMQ_REQ); + if (!s) { + printf ("error in zmq_socket: %s\n", zmq_strerror (errno)); + return -1; + } + + rc = zmq_bind (s, "inproc://lat_test"); + if (rc != 0) { + printf ("error in zmq_bind: %s\n", zmq_strerror (errno)); + return -1; + } + +#if defined ZMQ_HAVE_WINDOWS + local_thread = (HANDLE) _beginthreadex (NULL, 0, + worker, ctx, 0 , NULL); + if (local_thread == 0) { + printf ("error in _beginthreadex\n"); + return -1; + } +#else + rc = pthread_create (&local_thread, NULL, worker, ctx); + if (rc != 0) { + printf ("error in pthread_create: %s\n", zmq_strerror (rc)); + return -1; + } +#endif + + rc = zmq_msg_init_size (&msg, message_size); + if (rc != 0) { + printf ("error in zmq_msg_init_size: %s\n", zmq_strerror (errno)); + return -1; + } + memset (zmq_msg_data (&msg), 0, message_size); + + printf ("message size: %d [B]\n", (int) message_size); + printf ("roundtrip count: %d\n", (int) roundtrip_count); + + watch = zmq_stopwatch_start (); + + for (i = 0; i != roundtrip_count; i++) { + rc = zmq_sendmsg (s, &msg, 0); + if (rc < 0) { + printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno)); + return -1; + } + rc = zmq_recvmsg (s, &msg, 0); + if (rc < 0) { + printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno)); + return -1; + } + if (zmq_msg_size (&msg) != message_size) { + printf ("message of incorrect size received\n"); + return -1; + } + } + + elapsed = zmq_stopwatch_stop (watch); + + rc = zmq_msg_close (&msg); + if (rc != 0) { + printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno)); + return -1; + } + + latency = (double) elapsed / (roundtrip_count * 2); + +#if defined ZMQ_HAVE_WINDOWS + DWORD rc2 = WaitForSingleObject (local_thread, INFINITE); + if (rc2 == WAIT_FAILED) { + printf ("error in WaitForSingleObject\n"); + return -1; + } + BOOL rc3 = CloseHandle (local_thread); + if (rc3 == 0) { + printf ("error in CloseHandle\n"); + return -1; + } +#else + rc = pthread_join (local_thread, NULL); + if (rc != 0) { + printf ("error in pthread_join: %s\n", zmq_strerror (rc)); + return -1; + } +#endif + + printf ("average latency: %.3f [us]\n", (double) latency); + + rc = zmq_close (s); + if (rc != 0) { + printf ("error in zmq_close: %s\n", zmq_strerror (errno)); + return -1; + } + + rc = zmq_term (ctx); + if (rc != 0) { + printf ("error in zmq_term: %s\n", zmq_strerror (errno)); + return -1; + } + + return 0; +} + |