diff options
Diffstat (limited to 'source4/cluster/ctdb/tests/ctdb_bench.c')
| -rw-r--r-- | source4/cluster/ctdb/tests/ctdb_bench.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/source4/cluster/ctdb/tests/ctdb_bench.c b/source4/cluster/ctdb/tests/ctdb_bench.c new file mode 100644 index 0000000000..01a8cc0f15 --- /dev/null +++ b/source4/cluster/ctdb/tests/ctdb_bench.c @@ -0,0 +1,228 @@ +/* + 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; +} |