add a new test tool that just locks and releases the same record over and over

diff --git a/Makefile.in b/Makefile.in
index df80e7f27c61ac4cc1859f8caeb66f6a4ea7361b..0684df3eca65b1dc371e19c3d3e18f50cf2898d2 100755 (executable)
--- a/Makefile.in
+++ b/Makefile.in
@@ -58,7 +58,8 @@ CTDB_SERVER_OBJ = server/ctdbd.o server/ctdb_daemon.o server/ctdb_lockwait.o \
        server/ctdb_vacuum.o server/ctdb_banning.o \
        $(CTDB_CLIENT_OBJ) $(CTDB_TCP_OBJ) @INFINIBAND_WRAPPER_OBJ@
 
-TEST_BINS=tests/bin/ctdb_bench tests/bin/ctdb_fetch tests/bin/ctdb_store \
+TEST_BINS=tests/bin/ctdb_bench tests/bin/ctdb_fetch tests/bin/ctdb_fetch_one \
+       tests/bin/ctdb_store \
        tests/bin/ctdb_randrec tests/bin/ctdb_persistent \
        tests/bin/ctdb_traverse tests/bin/rb_test tests/bin/ctdb_transaction \
        @INFINIBAND_BINS@
@@ -143,6 +144,10 @@ tests/bin/ctdb_fetch: $(CTDB_CLIENT_OBJ) tests/src/ctdb_fetch.o
        @echo Linking $@
        @$(CC) $(CFLAGS) -o $@ tests/src/ctdb_fetch.o $(CTDB_CLIENT_OBJ) $(LIB_FLAGS)
 
+tests/bin/ctdb_fetch_one: $(CTDB_CLIENT_OBJ) tests/src/ctdb_fetch_one.o 
+       @echo Linking $@
+       @$(CC) $(CFLAGS) -o $@ tests/src/ctdb_fetch_one.o $(CTDB_CLIENT_OBJ) $(LIB_FLAGS)
+
 tests/bin/ctdb_store: $(CTDB_CLIENT_OBJ) tests/src/ctdb_store.o 
        @echo Linking $@
        @$(CC) $(CFLAGS) -o $@ tests/src/ctdb_store.o $(CTDB_CLIENT_OBJ) $(LIB_FLAGS)

diff --git a/tests/src/ctdb_fetch_one.c b/tests/src/ctdb_fetch_one.c
new file mode 100644 (file)
index 0000000..648aa18
--- /dev/null
+++ b/tests/src/ctdb_fetch_one.c
@@ -0,0 +1,140 @@
+/* 
+   simple ctdb benchmark
+   This test just fetch_locks a record and releases it in a loop.
+
+   Copyright (C) Ronnie Sahlberg 2009
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program 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 General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "lib/events/events.h"
+#include "system/filesys.h"
+#include "popt.h"
+#include "cmdline.h"
+
+#include <sys/time.h>
+#include <time.h>
+
+static int timelimit = 10;
+static int lock_count = 0;
+
+static struct ctdb_db_context *ctdb_db;
+
+#define TESTKEY "testkey"
+
+
+static void alarm_handler(int sig)
+{
+       printf("Locks:%d\n", lock_count);
+       lock_count=0;
+
+       timelimit--;
+       if (timelimit <= 0) {
+               exit(0);
+       }
+       alarm(1);
+}
+
+/*
+       Just try locking/unlocking the same record over and over
+*/
+static void bench_fetch_one_loop(struct ctdb_context *ctdb, struct event_context *ev)
+{
+       TDB_DATA key, data;
+
+       key.dptr = discard_const(TESTKEY);
+       key.dsize = strlen(TESTKEY);
+
+
+       while (1) {
+               TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
+               struct ctdb_record_handle *h;
+
+               h = ctdb_fetch_lock(ctdb_db, tmp_ctx, key, &data);
+               if (h == NULL) {
+                       printf("Failed to fetch record '%s' on node %d\n", 
+                               (const char *)key.dptr, ctdb_get_pnn(ctdb));
+                       talloc_free(tmp_ctx);
+                       continue;
+               }
+
+               talloc_free(tmp_ctx);
+               lock_count++;
+       }
+}
+
+/*
+  main program
+*/
+int main(int argc, const char *argv[])
+{
+       struct ctdb_context *ctdb;
+
+       struct poptOption popt_options[] = {
+               POPT_AUTOHELP
+               POPT_CTDB_CMDLINE
+               { "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "integer" },
+               POPT_TABLEEND
+       };
+       int opt;
+       const char **extra_argv;
+       int extra_argc = 0;
+       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++;
+       }
+
+       ev = event_context_init(NULL);
+
+       ctdb = ctdb_cmdline_client(ev);
+
+       /* attach to a specific database */
+       ctdb_db = ctdb_attach(ctdb, "test.tdb", false, 0);
+       if (!ctdb_db) {
+               printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
+               exit(1);
+       }
+
+       printf("Waiting for cluster\n");
+       while (1) {
+               uint32_t recmode=1;
+               ctdb_ctrl_getrecmode(ctdb, ctdb, timeval_zero(), CTDB_CURRENT_NODE, &recmode);
+               if (recmode == 0) break;
+               event_loop_once(ev);
+       }
+
+       signal(SIGALRM, alarm_handler);
+       alarm(1);
+
+       bench_fetch_one_loop(ctdb, ev);
+
+       return 0;
+}