--- /dev/null
+/*
+ simple ctdb benchmark
+
+ Copyright (C) Andrew Tridgell 2006
+
+ This library 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 2 of the License, or (at your option) any later version.
+
+ This library 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 library; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "includes.h"
+#include "lib/events/events.h"
+#include "system/filesys.h"
+#include "popt.h"
+
+#include <sys/time.h>
+#include <time.h>
+
+static struct timeval tp1,tp2;
+
+static void start_timer(void)
+{
+ gettimeofday(&tp1,NULL);
+}
+
+static double end_timer(void)
+{
+ gettimeofday(&tp2,NULL);
+ return (tp2.tv_sec + (tp2.tv_usec*1.0e-6)) -
+ (tp1.tv_sec + (tp1.tv_usec*1.0e-6));
+}
+
+
+static int timelimit = 10;
+static int num_records = 10;
+static int num_repeats = 100;
+
+enum my_functions {FUNC_INCR=1, FUNC_FETCH=2};
+
+/*
+ ctdb call function to increment an integer
+*/
+static int incr_func(struct ctdb_call *call)
+{
+ if (call->record_data.dsize == 0) {
+ call->new_data = talloc(call, TDB_DATA);
+ if (call->new_data == NULL) {
+ return CTDB_ERR_NOMEM;
+ }
+ call->new_data->dptr = talloc_size(call, 4);
+ call->new_data->dsize = 4;
+ *(uint32_t *)call->new_data->dptr = 0;
+ } else {
+ call->new_data = &call->record_data;
+ }
+ (*(uint32_t *)call->new_data->dptr)++;
+ return 0;
+}
+
+/*
+ ctdb call function to fetch a record
+*/
+static int fetch_func(struct ctdb_call *call)
+{
+ call->reply_data = &call->record_data;
+ return 0;
+}
+
+/*
+ benchmark incrementing an integer
+*/
+static void bench_incr(struct ctdb_context *ctdb)
+{
+ TDB_DATA key, data;
+ int loops=0;
+ int ret, i;
+
+ start_timer();
+
+ while (1) {
+ uint32_t v = loops % num_records;
+ key.dptr = &v;
+ key.dsize = 4;
+ for (i=0;i<num_repeats;i++) {
+ ret = ctdb_call(ctdb, key, FUNC_INCR, NULL, NULL);
+ if (ret != 0) {
+ printf("incr call failed - %s\n", ctdb_errstr(ctdb));
+ return;
+ }
+ }
+ if (num_repeats * (++loops) % 10000 == 0) {
+ if (end_timer() > timelimit) break;
+ printf("Incr: %.2f ops/sec\r", num_repeats*loops/end_timer());
+ fflush(stdout);
+ }
+ }
+
+ ret = ctdb_call(ctdb, key, FUNC_FETCH, NULL, &data);
+ if (ret == -1) {
+ printf("ctdb_call FUNC_FETCH failed - %s\n", ctdb_errstr(ctdb));
+ return;
+ }
+
+ printf("Incr: %.2f ops/sec (loops=%d val=%d)\n",
+ num_repeats*loops/end_timer(), loops, *(uint32_t *)data.dptr);
+}
+
+/*
+ main program
+*/
+int main(int argc, const char *argv[])
+{
+ struct ctdb_context *ctdb;
+ const char *nlist = NULL;
+ const char *transport = "tcp";
+ const char *myaddress = NULL;
+ int self_connect=0;
+
+ struct poptOption popt_options[] = {
+ POPT_AUTOHELP
+ { "nlist", 0, POPT_ARG_STRING, &nlist, 0, "node list file", "filename" },
+ { "listen", 0, POPT_ARG_STRING, &myaddress, 0, "address to listen on", "address" },
+ { "transport", 0, POPT_ARG_STRING, &transport, 0, "protocol transport", NULL },
+ { "self-connect", 0, POPT_ARG_NONE, &self_connect, 0, "enable self connect", "boolean" },
+ { "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "integer" },
+ { "num-records", 'r', POPT_ARG_INT, &num_records, 0, "num_records", "integer" },
+ POPT_TABLEEND
+ };
+ int opt;
+ const char **extra_argv;
+ int extra_argc = 0;
+ int ret;
+ poptContext pc;
+ struct event_context *ev;
+
+ pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
+
+ while ((opt = poptGetNextOpt(pc)) != -1) {
+ switch (opt) {
+ default:
+ fprintf(stderr, "Invalid option %s: %s\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ exit(1);
+ }
+ }
+
+ /* setup the remaining options for the main program to use */
+ extra_argv = poptGetArgs(pc);
+ if (extra_argv) {
+ extra_argv++;
+ while (extra_argv[extra_argc]) extra_argc++;
+ }
+
+ if (nlist == NULL || myaddress == NULL) {
+ printf("You must provide a node list with --nlist and an address with --listen\n");
+ exit(1);
+ }
+
+ ev = event_context_init(NULL);
+
+ /* initialise ctdb */
+ ctdb = ctdb_init(ev);
+ if (ctdb == NULL) {
+ printf("Failed to init ctdb\n");
+ exit(1);
+ }
+
+ if (self_connect) {
+ ctdb_set_flags(ctdb, CTDB_FLAG_SELF_CONNECT);
+ }
+
+ ret = ctdb_set_transport(ctdb, transport);
+ if (ret == -1) {
+ printf("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb));
+ exit(1);
+ }
+
+ /* tell ctdb what address to listen on */
+ ret = ctdb_set_address(ctdb, myaddress);
+ if (ret == -1) {
+ printf("ctdb_set_address failed - %s\n", ctdb_errstr(ctdb));
+ exit(1);
+ }
+
+ /* tell ctdb what nodes are available */
+ ret = ctdb_set_nlist(ctdb, nlist);
+ if (ret == -1) {
+ printf("ctdb_set_nlist failed - %s\n", ctdb_errstr(ctdb));
+ exit(1);
+ }
+
+ /* setup a ctdb call function */
+ ret = ctdb_set_call(ctdb, incr_func, FUNC_INCR);
+ ret = ctdb_set_call(ctdb, fetch_func, FUNC_FETCH);
+
+ /* attach to a specific database */
+ ret = ctdb_attach(ctdb, "test.tdb", TDB_DEFAULT, O_RDWR|O_CREAT|O_TRUNC, 0666);
+ if (ret == -1) {
+ printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
+ exit(1);
+ }
+
+ /* start the protocol running */
+ ret = ctdb_start(ctdb);
+
+ /* wait until all nodes are connected (should not be needed
+ outside of test code) */
+ ctdb_connect_wait(ctdb);
+
+ bench_incr(ctdb);
+
+ /* go into a wait loop to allow other nodes to complete */
+ ctdb_wait_loop(ctdb);
+
+ /* shut it down */
+ talloc_free(ctdb);
+ return 0;
+}
projects / thirdparty / samba.git / commitdiff
