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65cdf2297a
(This used to be ctdb commit 080b6901173afb2ad618dd0621876ff478c7d6e5)
309 lines
7.4 KiB
C
309 lines
7.4 KiB
C
/*
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simple ctdb benchmark
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Copyright (C) Andrew Tridgell 2006
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "includes.h"
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#include "lib/events/events.h"
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#include "system/filesys.h"
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#include "popt.h"
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#include <sys/time.h>
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#include <time.h>
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static struct timeval tp1,tp2;
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static void start_timer(void)
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{
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gettimeofday(&tp1,NULL);
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}
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static double end_timer(void)
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{
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gettimeofday(&tp2,NULL);
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return (tp2.tv_sec + (tp2.tv_usec*1.0e-6)) -
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(tp1.tv_sec + (tp1.tv_usec*1.0e-6));
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}
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static int timelimit = 10;
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static int num_records = 10;
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static int num_msgs = 1;
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static int num_repeats = 100;
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enum my_functions {FUNC_INCR=1, FUNC_FETCH=2};
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/*
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ctdb call function to increment an integer
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*/
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static int incr_func(struct ctdb_call_info *call)
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{
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if (call->record_data.dsize == 0) {
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call->new_data = talloc(call, TDB_DATA);
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if (call->new_data == NULL) {
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return CTDB_ERR_NOMEM;
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}
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call->new_data->dptr = talloc_size(call, 4);
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call->new_data->dsize = 4;
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*(uint32_t *)call->new_data->dptr = 0;
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} else {
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call->new_data = &call->record_data;
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}
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(*(uint32_t *)call->new_data->dptr)++;
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return 0;
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}
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/*
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ctdb call function to fetch a record
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*/
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static int fetch_func(struct ctdb_call_info *call)
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{
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call->reply_data = &call->record_data;
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return 0;
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}
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/*
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benchmark incrementing an integer
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*/
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static void bench_incr(struct ctdb_context *ctdb, struct ctdb_db_context *ctdb_db)
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{
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int loops=0;
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int ret, i;
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struct ctdb_call call;
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ZERO_STRUCT(call);
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start_timer();
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while (1) {
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uint32_t v = loops % num_records;
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call.call_id = FUNC_INCR;
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call.key.dptr = (uint8_t *)&v;
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call.key.dsize = 4;
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for (i=0;i<num_repeats;i++) {
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ret = ctdb_call(ctdb_db, &call);
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if (ret != 0) {
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printf("incr call failed - %s\n", ctdb_errstr(ctdb));
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return;
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}
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}
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if (num_repeats * (++loops) % 10000 == 0) {
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if (end_timer() > timelimit) break;
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printf("Incr: %.2f ops/sec\r", num_repeats*loops/end_timer());
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fflush(stdout);
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}
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}
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call.call_id = FUNC_FETCH;
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ret = ctdb_call(ctdb_db, &call);
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if (ret == -1) {
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printf("ctdb_call FUNC_FETCH failed - %s\n", ctdb_errstr(ctdb));
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return;
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}
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printf("Incr: %.2f ops/sec (loops=%d val=%d)\n",
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num_repeats*loops/end_timer(), loops, *(uint32_t *)call.reply_data.dptr);
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}
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static int msg_count;
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static int msg_plus, msg_minus;
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/*
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handler for messages in bench_ring()
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*/
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static void ring_message_handler(struct ctdb_context *ctdb, uint32_t srvid,
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TDB_DATA data, void *private_data)
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{
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int incr = *(int *)data.dptr;
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int *count = (int *)private_data;
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int dest;
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(*count)++;
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dest = (ctdb_get_vnn(ctdb) + incr) % ctdb_get_num_nodes(ctdb);
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ctdb_send_message(ctdb, dest, srvid, data);
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if (incr == 1) {
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msg_plus++;
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} else {
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msg_minus++;
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}
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}
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/*
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benchmark sending messages in a ring around the nodes
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*/
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static void bench_ring(struct ctdb_context *ctdb, struct event_context *ev)
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{
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int vnn=ctdb_get_vnn(ctdb);
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if (vnn == 0) {
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int i;
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/* two messages are injected into the ring, moving
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in opposite directions */
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int dest, incr;
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TDB_DATA data;
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data.dptr = (uint8_t *)&incr;
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data.dsize = sizeof(incr);
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for (i=0;i<num_msgs;i++) {
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incr = 1;
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dest = (ctdb_get_vnn(ctdb) + incr) % ctdb_get_num_nodes(ctdb);
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ctdb_send_message(ctdb, dest, 0, data);
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incr = -1;
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dest = (ctdb_get_vnn(ctdb) + incr) % ctdb_get_num_nodes(ctdb);
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ctdb_send_message(ctdb, dest, 0, data);
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}
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}
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start_timer();
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while (end_timer() < timelimit) {
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if (vnn == 0 && msg_count % 10000 == 0) {
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printf("Ring: %.2f msgs/sec (+ve=%d -ve=%d)\r",
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msg_count/end_timer(), msg_plus, msg_minus);
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fflush(stdout);
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}
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event_loop_once(ev);
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}
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printf("Ring: %.2f msgs/sec (+ve=%d -ve=%d)\n",
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msg_count/end_timer(), msg_plus, msg_minus);
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}
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/*
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main program
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*/
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int main(int argc, const char *argv[])
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{
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struct ctdb_context *ctdb;
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struct ctdb_db_context *ctdb_db;
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const char *nlist = NULL;
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const char *transport = "tcp";
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const char *myaddress = NULL;
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int self_connect=0;
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int daemon_mode=0;
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struct poptOption popt_options[] = {
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POPT_AUTOHELP
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{ "nlist", 0, POPT_ARG_STRING, &nlist, 0, "node list file", "filename" },
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{ "listen", 0, POPT_ARG_STRING, &myaddress, 0, "address to listen on", "address" },
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{ "transport", 0, POPT_ARG_STRING, &transport, 0, "protocol transport", NULL },
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{ "self-connect", 0, POPT_ARG_NONE, &self_connect, 0, "enable self connect", "boolean" },
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{ "daemon", 0, POPT_ARG_NONE, &daemon_mode, 0, "spawn a ctdb daemon", "boolean" },
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{ "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "integer" },
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{ "num-records", 'r', POPT_ARG_INT, &num_records, 0, "num_records", "integer" },
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{ "num-msgs", 'n', POPT_ARG_INT, &num_msgs, 0, "num_msgs", "integer" },
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POPT_TABLEEND
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};
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int opt;
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const char **extra_argv;
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int extra_argc = 0;
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int ret;
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poptContext pc;
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struct event_context *ev;
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pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
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while ((opt = poptGetNextOpt(pc)) != -1) {
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switch (opt) {
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default:
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fprintf(stderr, "Invalid option %s: %s\n",
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poptBadOption(pc, 0), poptStrerror(opt));
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exit(1);
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}
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}
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/* setup the remaining options for the main program to use */
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extra_argv = poptGetArgs(pc);
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if (extra_argv) {
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extra_argv++;
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while (extra_argv[extra_argc]) extra_argc++;
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}
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if (nlist == NULL || myaddress == NULL) {
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printf("You must provide a node list with --nlist and an address with --listen\n");
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exit(1);
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}
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ev = event_context_init(NULL);
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/* initialise ctdb */
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ctdb = ctdb_init(ev);
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if (ctdb == NULL) {
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printf("Failed to init ctdb\n");
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exit(1);
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}
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if (self_connect) {
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ctdb_set_flags(ctdb, CTDB_FLAG_SELF_CONNECT);
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}
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if (daemon_mode) {
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ctdb_set_flags(ctdb, CTDB_FLAG_DAEMON_MODE);
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}
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ret = ctdb_set_transport(ctdb, transport);
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if (ret == -1) {
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printf("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb));
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exit(1);
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}
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/* tell ctdb what address to listen on */
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ret = ctdb_set_address(ctdb, myaddress);
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if (ret == -1) {
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printf("ctdb_set_address failed - %s\n", ctdb_errstr(ctdb));
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exit(1);
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}
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/* tell ctdb what nodes are available */
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ret = ctdb_set_nlist(ctdb, nlist);
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if (ret == -1) {
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printf("ctdb_set_nlist failed - %s\n", ctdb_errstr(ctdb));
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exit(1);
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}
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/* attach to a specific database */
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ctdb_db = ctdb_attach(ctdb, "test.tdb", TDB_DEFAULT, O_RDWR|O_CREAT|O_TRUNC, 0666);
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if (!ctdb_db) {
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printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
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exit(1);
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}
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/* setup a ctdb call function */
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ret = ctdb_set_call(ctdb_db, incr_func, FUNC_INCR);
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ret = ctdb_set_call(ctdb_db, fetch_func, FUNC_FETCH);
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/* start the protocol running */
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ret = ctdb_start(ctdb);
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ctdb_set_message_handler(ctdb, 0, ring_message_handler,&msg_count);
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/* wait until all nodes are connected (should not be needed
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outside of test code) */
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ctdb_connect_wait(ctdb);
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bench_ring(ctdb, ev);
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/* shut it down */
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talloc_free(ctdb);
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return 0;
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}
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