diff options
Diffstat (limited to '')
| -rw-r--r-- | test/cpgbenchzc.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/test/cpgbenchzc.c b/test/cpgbenchzc.c new file mode 100644 index 0000000..92f55ee --- /dev/null +++ b/test/cpgbenchzc.c @@ -0,0 +1,193 @@ +/* + * Copyright (c) 2006, 2009 Red Hat, Inc. + * + * All rights reserved. + * + * Author: Steven Dake (sdake@redhat.com) + * + * This software licensed under BSD license, the text of which follows: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * - Neither the name of the MontaVista Software, Inc. nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <signal.h> +#include <unistd.h> +#include <errno.h> +#include <time.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/select.h> +#include <sys/un.h> +#include <netinet/in.h> +#include <arpa/inet.h> + +#include <corosync/corotypes.h> +#include <corosync/cpg.h> +#include "../lib/util.h" + +#ifndef timersub +#define timersub(a, b, result) \ + do { \ + (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ + (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ + if ((result)->tv_usec < 0) { \ + --(result)->tv_sec; \ + (result)->tv_usec += 1000000; \ + } \ + } while (0) +#endif + +static int alarm_notice; + +static void cpg_bm_confchg_fn ( + cpg_handle_t handle, + const struct cpg_name *group_name, + const struct cpg_address *member_list, size_t member_list_entries, + const struct cpg_address *left_list, size_t left_list_entries, + const struct cpg_address *joined_list, size_t joined_list_entries) +{ +} + +static unsigned int write_count; + +static void cpg_bm_deliver_fn ( + cpg_handle_t handle, + const struct cpg_name *group_name, + uint32_t nodeid, + uint32_t pid, + void *msg, + size_t msg_len) +{ + write_count++; +} + +static cpg_callbacks_t callbacks = { + .cpg_deliver_fn = cpg_bm_deliver_fn, + .cpg_confchg_fn = cpg_bm_confchg_fn +}; + + +void *data; + +static void cpg_benchmark ( + cpg_handle_t handle, + int write_size) +{ + struct timeval tv1, tv2, tv_elapsed; + unsigned int res; + cpg_flow_control_state_t flow_control_state; + + alarm_notice = 0; + + write_count = 0; + alarm (10); + + gettimeofday (&tv1, NULL); + do { + /* + * Test checkpoint write + */ + cpg_flow_control_state_get (handle, &flow_control_state); + if (flow_control_state == CPG_FLOW_CONTROL_DISABLED) { +retry: + res = cpg_zcb_mcast_joined (handle, CPG_TYPE_AGREED, data, write_size); + if (res == CS_ERR_TRY_AGAIN) { + goto retry; + } + } + res = cpg_dispatch (handle, CS_DISPATCH_ALL); + if (res != CS_OK) { + printf ("cpg dispatch returned error %d\n", res); + exit (1); + } + } while (alarm_notice == 0); + gettimeofday (&tv2, NULL); + timersub (&tv2, &tv1, &tv_elapsed); + + printf ("%5d messages received ", write_count); + printf ("%5d bytes per write ", write_size); + printf ("%7.3f Seconds runtime ", + (tv_elapsed.tv_sec + (tv_elapsed.tv_usec / 1000000.0))); + printf ("%9.3f TP/s ", + ((float)write_count) / (tv_elapsed.tv_sec + (tv_elapsed.tv_usec / 1000000.0))); + printf ("%7.3f MB/s.\n", + ((float)write_count) * ((float)write_size) / ((tv_elapsed.tv_sec + (tv_elapsed.tv_usec / 1000000.0)) * 1000000.0)); +} + +static void sigalrm_handler (int num) +{ + alarm_notice = 1; +} + +static struct cpg_name group_name = { + .value = "cpg_bm", + .length = 6 +}; + +int main (void) { + cpg_handle_t handle; + unsigned int size; + int i; + unsigned int res; + + + + size = 1000; + signal (SIGALRM, sigalrm_handler); + res = cpg_initialize (&handle, &callbacks); + if (res != CS_OK) { + printf ("cpg_initialize failed with result %d\n", res); + exit (1); + } + cpg_zcb_alloc (handle, 500000, &data); + if (res != CS_OK) { + printf ("cpg_zcb_alloc couldn't allocate zero copy buffer %d\n", res); + exit (1); + } + + res = cpg_join (handle, &group_name); + if (res != CS_OK) { + printf ("cpg_join failed with result %s\n", cs_strerror(res)); + exit (1); + } + + for (i = 0; i < 50; i++) { /* number of repetitions - up to 50k */ + cpg_benchmark (handle, size); + size += 1000; + } + + res = cpg_finalize (handle); + if (res != CS_OK) { + printf ("cpg_finalize failed with result %s\n", cs_strerror(res)); + exit (1); + } + return (0); +} |