diff options
Diffstat (limited to 'regressions/ck_swlock/validate/validate.c')
-rw-r--r-- | regressions/ck_swlock/validate/validate.c | 455 |
1 files changed, 455 insertions, 0 deletions
diff --git a/regressions/ck_swlock/validate/validate.c b/regressions/ck_swlock/validate/validate.c new file mode 100644 index 0000000..11366ce --- /dev/null +++ b/regressions/ck_swlock/validate/validate.c @@ -0,0 +1,455 @@ +/* + * Copyright 2014 Jaidev Sridhar. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <errno.h> +#include <inttypes.h> +#include <pthread.h> +#include <math.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <strings.h> +#include <unistd.h> +#include <sys/time.h> + +#include <ck_pr.h> +#include <ck_swlock.h> + +#include "../../common.h" + +#ifndef ITERATE +#define ITERATE 1000000 +#endif + +static struct affinity a; +static unsigned int locked; +static int nthr; +static ck_swlock_t lock = CK_SWLOCK_INITIALIZER; +static ck_swlock_t copy; +#ifdef CK_F_PR_RTM +static void * +thread_rtm_adaptive(void *arg) +{ + unsigned int i = ITERATE; + unsigned int l; + int tid = ck_pr_load_int(arg); + + struct ck_elide_config config = CK_ELIDE_CONFIG_DEFAULT_INITIALIZER; + struct ck_elide_stat st = CK_ELIDE_STAT_INITIALIZER; + + if (aff_iterate(&a)) { + perror("ERROR: Could not affine thread"); + exit(EXIT_FAILURE); + } + + while (i--) { + if (tid == 0) { + CK_ELIDE_LOCK_ADAPTIVE(ck_swlock_write, &st, &config, &lock); + { + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l); + } + + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + + l = ck_pr_load_uint(&locked); + if (l != 8) { + ck_error("ERROR [WR:%d]: %u != 2\n", __LINE__, l); + } + + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l); + } + } + CK_ELIDE_UNLOCK_ADAPTIVE(ck_swlock_write, &st, &lock); + } + + CK_ELIDE_LOCK(ck_swlock_read, &lock); + { + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [RD:%d]: %u != 0\n", __LINE__, l); + } + } + CK_ELIDE_UNLOCK(ck_swlock_read, &lock); + } + + return NULL; +} + +static void * +thread_rtm_mix(void *arg) +{ + unsigned int i = ITERATE; + unsigned int l; + int tid = ck_pr_load_int(arg); + + if (aff_iterate(&a)) { + perror("ERROR: Could not affine thread"); + exit(EXIT_FAILURE); + } + + while (i--) { + if (tid == 0) { + if (i & 1) { + CK_ELIDE_LOCK(ck_swlock_write, &lock); + } else { + ck_swlock_write_lock(&lock); + } + + { + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l); + } + + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + + l = ck_pr_load_uint(&locked); + if (l != 8) { + ck_error("ERROR [WR:%d]: %u != 2\n", __LINE__, l); + } + + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l); + } + } + + if (i & 1) { + CK_ELIDE_UNLOCK(ck_swlock_write, &lock); + } else { + ck_swlock_write_unlock(&lock); + } + } + if (i & 1) { + CK_ELIDE_LOCK(ck_swlock_read, &lock); + } else { + ck_swlock_read_lock(&lock); + } + + { + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [RD:%d]: %u != 0\n", __LINE__, l); + } + } + + if (i & 1) { + CK_ELIDE_UNLOCK(ck_swlock_read, &lock); + } else { + ck_swlock_read_unlock(&lock); + } + } + + return (NULL); +} + +static void * +thread_rtm(void *arg) +{ + unsigned int i = ITERATE; + unsigned int l; + int tid = ck_pr_load_int(arg); + + if (aff_iterate(&a)) { + perror("ERROR: Could not affine thread"); + exit(EXIT_FAILURE); + } + + while (i--) { + if (tid == 0) { + CK_ELIDE_LOCK(ck_swlock_write, &lock); + { + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l); + } + + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + + l = ck_pr_load_uint(&locked); + if (l != 8) { + ck_error("ERROR [WR:%d]: %u != 2\n", __LINE__, l); + } + + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l); + } + } + CK_ELIDE_UNLOCK(ck_swlock_write, &lock); + } + + CK_ELIDE_LOCK(ck_swlock_read, &lock); + { + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [RD:%d]: %u != 0\n", __LINE__, l); + } + } + CK_ELIDE_UNLOCK(ck_swlock_read, &lock); + } + + return (NULL); +} +#endif /* CK_F_PR_RTM */ + +static void * +thread_latch(void *arg) +{ + unsigned int i = ITERATE; + unsigned int l; + int tid = ck_pr_load_int(arg); + + if (aff_iterate(&a)) { + perror("ERROR: Could not affine thread"); + exit(EXIT_FAILURE); + } + + while (i--) { + if (tid == 0) { + /* Writer */ + ck_swlock_write_latch(&lock); + { + memcpy(©, &lock, sizeof(ck_swlock_t)); + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l); + } + + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + + l = ck_pr_load_uint(&locked); + if (l != 8) { + ck_error("ERROR [WR:%d]: %u != 2\n", __LINE__, l); + } + + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l); + } + memcpy(&lock, ©, sizeof(ck_swlock_t)); + } + ck_swlock_write_unlatch(&lock); + } + + ck_swlock_read_lock(&lock); + { + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [RD:%d]: %u != 0\n", __LINE__, l); + } + } + ck_swlock_read_unlock(&lock); + } + + return (NULL); +} + +static void * +thread(void *arg) +{ + unsigned int i = ITERATE; + unsigned int l; + int tid = ck_pr_load_int(arg); + + if (aff_iterate(&a)) { + perror("ERROR: Could not affine thread"); + exit(EXIT_FAILURE); + } + + while (i--) { + if (tid == 0) { + /* Writer */ + ck_swlock_write_lock(&lock); + { + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l); + } + + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + ck_pr_inc_uint(&locked); + + l = ck_pr_load_uint(&locked); + if (l != 8) { + ck_error("ERROR [WR:%d]: %u != 2\n", __LINE__, l); + } + + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + ck_pr_dec_uint(&locked); + + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [WR:%d]: %u != 0\n", __LINE__, l); + } + } + ck_swlock_write_unlock(&lock); + } + + ck_swlock_read_lock(&lock); + { + l = ck_pr_load_uint(&locked); + if (l != 0) { + ck_error("ERROR [RD:%d]: %u != 0\n", __LINE__, l); + } + } + ck_swlock_read_unlock(&lock); + } + + return (NULL); +} + +static void +swlock_test(pthread_t *threads, void *(*f)(void *), const char *test) +{ + int i, tid[nthr]; + + fprintf(stderr, "Creating threads (%s)...", test); + for (i = 0; i < nthr; i++) { + ck_pr_store_int(&tid[i], i); + if (pthread_create(&threads[i], NULL, f, &tid[i])) { + ck_error("ERROR: Could not create thread %d\n", i); + } + } + fprintf(stderr, "."); + + for (i = 0; i < nthr; i++) + pthread_join(threads[i], NULL); + fprintf(stderr, "done (passed)\n"); + return; +} + +int +main(int argc, char *argv[]) +{ + pthread_t *threads; + + if (argc != 3) { + ck_error("Usage: validate <number of threads> <affinity delta>\n"); + } + + nthr = atoi(argv[1]); + if (nthr <= 0) { + ck_error("ERROR: Number of threads must be greater than 0\n"); + } + + threads = malloc(sizeof(pthread_t) * nthr); + if (threads == NULL) { + ck_error("ERROR: Could not allocate thread structures\n"); + } + + a.delta = atoi(argv[2]); + + swlock_test(threads, thread, "regular"); + swlock_test(threads, thread_latch, "latch"); +#ifdef CK_F_PR_RTM + swlock_test(threads, thread_rtm, "rtm"); + swlock_test(threads, thread_rtm_mix, "rtm-mix"); + swlock_test(threads, thread_rtm_adaptive, "rtm-adaptive"); +#endif + return 0; +} + |