4 Copyright (C) Andrew Tridgell 2006
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, see <http://www.gnu.org/licenses/>.
21 #include "lib/events/events.h"
22 #include "system/filesys.h"
29 static struct timeval tp1,tp2;
31 static void start_timer(void)
33 gettimeofday(&tp1,NULL);
36 static double end_timer(void)
38 gettimeofday(&tp2,NULL);
39 return (tp2.tv_sec + (tp2.tv_usec*1.0e-6)) -
40 (tp1.tv_sec + (tp1.tv_usec*1.0e-6));
44 static int timelimit = 10;
45 static int num_records = 10;
49 #define TESTKEY "testkey"
53 store a expanded record
54 send a message to next node to tell it to do the same
56 static void bench_fetch_1node(struct ctdb_context *ctdb)
58 TDB_DATA key, data, nulldata;
59 struct ctdb_db_context *ctdb_db;
60 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
62 struct ctdb_record_handle *h;
64 key.dptr = discard_const(TESTKEY);
65 key.dsize = strlen(TESTKEY);
67 ctdb_db = ctdb_db_handle(ctdb, "test.tdb");
69 h = ctdb_fetch_lock(ctdb_db, tmp_ctx, key, &data);
71 printf("Failed to fetch record '%s' on node %d\n",
72 (const char *)key.dptr, ctdb_get_pnn(ctdb));
77 if (data.dsize > 1000) {
81 if (data.dsize == 0) {
82 data.dptr = (uint8_t *)talloc_asprintf(tmp_ctx, "Test data\n");
84 data.dptr = (uint8_t *)talloc_asprintf_append((char *)data.dptr,
85 "msg_count=%d on node %d\n",
86 msg_count, ctdb_get_pnn(ctdb));
87 data.dsize = strlen((const char *)data.dptr)+1;
89 ret = ctdb_record_store(h, data);
92 printf("Failed to store record\n");
97 /* tell the next node to do the same */
101 dest = (ctdb_get_pnn(ctdb) + 1) % num_nodes;
102 ctdb_send_message(ctdb, dest, 0, nulldata);
106 handler for messages in bench_ring()
108 static void message_handler(struct ctdb_context *ctdb, uint64_t srvid,
109 TDB_DATA data, void *private_data)
112 bench_fetch_1node(ctdb);
117 benchmark the following:
120 store a expanded record
121 send a message to next node to tell it to do the same
124 static void bench_fetch(struct ctdb_context *ctdb, struct event_context *ev)
126 int pnn=ctdb_get_pnn(ctdb);
128 if (pnn == num_nodes - 1) {
129 bench_fetch_1node(ctdb);
134 while (end_timer() < timelimit) {
135 if (pnn == 0 && msg_count % 100 == 0) {
136 printf("Fetch: %.2f msgs/sec\r", msg_count/end_timer());
139 if (event_loop_once(ev) != 0) {
140 printf("Event loop failed!\n");
145 printf("Fetch: %.2f msgs/sec\n", msg_count/end_timer());
148 enum my_functions {FUNC_FETCH=1};
151 ctdb call function to fetch a record
153 static int fetch_func(struct ctdb_call_info *call)
155 call->reply_data = &call->record_data;
160 handler for reconfigure message
162 static void reconfigure_handler(struct ctdb_context *ctdb, uint64_t srvid,
163 TDB_DATA data, void *private_data)
165 int *ready = (int *)private_data;
172 int main(int argc, const char *argv[])
174 struct ctdb_context *ctdb;
175 struct ctdb_db_context *ctdb_db;
177 struct poptOption popt_options[] = {
180 { "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "integer" },
181 { "num-records", 'r', POPT_ARG_INT, &num_records, 0, "num_records", "integer" },
182 { NULL, 'n', POPT_ARG_INT, &num_nodes, 0, "num_nodes", "integer" },
186 const char **extra_argv;
190 struct event_context *ev;
191 struct ctdb_call call;
194 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
196 while ((opt = poptGetNextOpt(pc)) != -1) {
199 fprintf(stderr, "Invalid option %s: %s\n",
200 poptBadOption(pc, 0), poptStrerror(opt));
205 /* talloc_enable_leak_report_full(); */
207 /* setup the remaining options for the main program to use */
208 extra_argv = poptGetArgs(pc);
211 while (extra_argv[extra_argc]) extra_argc++;
214 ev = event_context_init(NULL);
216 ctdb = ctdb_cmdline_client(ev);
218 ctdb_set_message_handler(ctdb, CTDB_SRVID_RECONFIGURE, reconfigure_handler,
221 /* attach to a specific database */
222 ctdb_db = ctdb_attach(ctdb, "test.tdb", false, 0);
224 printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
228 ret = ctdb_set_call(ctdb_db, fetch_func, FUNC_FETCH);
230 ctdb_set_message_handler(ctdb, 0, message_handler, &msg_count);
232 printf("Waiting for cluster\n");
235 ctdb_ctrl_getrecmode(ctdb, ctdb, timeval_zero(), CTDB_CURRENT_NODE, &recmode);
236 if (recmode == 0) break;
240 bench_fetch(ctdb, ev);
243 call.key.dptr = discard_const(TESTKEY);
244 call.key.dsize = strlen(TESTKEY);
246 printf("Fetching final record\n");
248 /* fetch the record */
249 call.call_id = FUNC_FETCH;
250 call.call_data.dptr = NULL;
251 call.call_data.dsize = 0;
253 ret = ctdb_call(ctdb_db, &call);
255 printf("ctdb_call FUNC_FETCH failed - %s\n", ctdb_errstr(ctdb));
259 printf("DATA:\n%s\n", (char *)call.reply_data.dptr);