1 /* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 // vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
3 #ident "$Id$"
4 /*======
5 This file is part of PerconaFT.
6
7
8 Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
9
10 PerconaFT is free software: you can redistribute it and/or modify
11 it under the terms of the GNU General Public License, version 2,
12 as published by the Free Software Foundation.
13
14 PerconaFT is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
21
22 ----------------------------------------
23
24 PerconaFT is free software: you can redistribute it and/or modify
25 it under the terms of the GNU Affero General Public License, version 3,
26 as published by the Free Software Foundation.
27
28 PerconaFT is distributed in the hope that it will be useful,
29 but WITHOUT ANY WARRANTY; without even the implied warranty of
30 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 GNU Affero General Public License for more details.
32
33 You should have received a copy of the GNU Affero General Public License
34 along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
35 ======= */
36
37 #ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
38
39 #include "test.h"
40
41 #include <stdio.h>
42 #include <stdlib.h>
43
44 #include <toku_pthread.h>
45 #include <unistd.h>
46 #include <memory.h>
47 #include <sys/stat.h>
48 #include <db.h>
49
50 #include "threaded_stress_test_helpers.h"
51
52 // The intent of this test is to measure the performace of creating and destroying child
53 // transactions. Child transactions should have less work associated with them. They
54 // are not added to the live root list and they should not be creating their own snapshots.
55 // Nevertheless, benchmarks like tpcc and sysbench create many child transactions
56 // for each root transaction, and do little work per child transaction
57
create_child_txn(DB_TXN * txn,ARG arg,void * UU (operation_extra),void * UU (stats_extra))58 static int create_child_txn(DB_TXN* txn, ARG arg, void* UU(operation_extra), void *UU(stats_extra)) {
59 DB_TXN* child_txn = NULL;
60 DB_ENV* env = arg->env;
61 int r = env->txn_begin(env, txn, &child_txn, arg->txn_flags);
62 CKERR(r);
63 r = child_txn->commit(child_txn, 0);
64 CKERR(r);
65 return 0;
66 }
67
68
69 static void
stress_table(DB_ENV * env,DB ** dbp,struct cli_args * cli_args)70 stress_table(DB_ENV* env, DB** dbp, struct cli_args *cli_args) {
71 if (verbose) printf("starting creation of pthreads\n");
72 const int num_threads = cli_args->num_ptquery_threads;
73 struct arg myargs[num_threads];
74 for (int i = 0; i < num_threads; i++) {
75 arg_init(&myargs[i], dbp, env, cli_args);
76 myargs[i].operation = create_child_txn;
77 }
78 run_workers(myargs, num_threads, cli_args->num_seconds, false, cli_args);
79 }
80
81 int
test_main(int argc,char * const argv[])82 test_main(int argc, char *const argv[]) {
83 struct cli_args args = get_default_args_for_perf();
84 args.single_txn = true;
85 parse_stress_test_args(argc, argv, &args);
86 args.num_elements = 0;
87 args.num_DBs = 0;
88 stress_test_main(&args);
89 return 0;
90 }
91