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-rw-r--r--regressions/ck_swlock/validate/validate.c455
1 files changed, 455 insertions, 0 deletions
diff --git a/regressions/ck_swlock/validate/validate.c b/regressions/ck_swlock/validate/validate.c
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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(&copy, &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, &copy, 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;
+}
+
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