1 files changed, 0 insertions, 183 deletions
diff --git a/regressions/ck_swlock/benchmark/throughput.c b/regressions/ck_swlock/benchmark/throughput.c
deleted file mode 100644
index 5b05365751ce..000000000000
--- a/regressions/ck_swlock/benchmark/throughput.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright 2011-2015 Samy Al Bahra.
- * 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 <ck_swlock.h>
-#include <inttypes.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "../../common.h"
-
-#ifndef STEPS
-#define STEPS 1000000
-#endif
-
-static int barrier;
-static int threads;
-static unsigned int flag CK_CC_CACHELINE;
-static struct {
-	ck_swlock_t lock;
-} rw CK_CC_CACHELINE = {
-	.lock = CK_SWLOCK_INITIALIZER
-};
-
-static struct affinity affinity;
-
-static void *
-thread_lock(void *pun)
-{
-	uint64_t s_b, e_b, a, i;
-	uint64_t *value = pun;
-
-	if (aff_iterate(&affinity) != 0) {
-		perror("ERROR: Could not affine thread");
-		exit(EXIT_FAILURE);
-	}
-
-	ck_pr_inc_int(&barrier);
-	while (ck_pr_load_int(&barrier) != threads)
-		ck_pr_stall();
-
-	for (i = 1, a = 0;; i++) {
-		s_b = rdtsc();
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		ck_swlock_read_lock(&rw.lock);
-		ck_swlock_read_unlock(&rw.lock);
-		e_b = rdtsc();
-
-		a += (e_b - s_b) >> 4;
-
-		if (ck_pr_load_uint(&flag) == 1)
-			break;
-	}
-
-	ck_pr_inc_int(&barrier);
-	while (ck_pr_load_int(&barrier) != threads * 2)
-		ck_pr_stall();
-
-	*value = (a / i);
-	return NULL;
-}
-
-static void
-swlock_test(pthread_t *p, int d, uint64_t *latency, void *(*f)(void *), const char *label)
-{
-	int t;
-
-	ck_pr_store_int(&barrier, 0);
-	ck_pr_store_uint(&flag, 0);
-
-	affinity.delta = d;
-	affinity.request = 0;
-
-	fprintf(stderr, "Creating threads (%s)...", label);
-	for (t = 0; t < threads; t++) {
-		if (pthread_create(&p[t], NULL, f, latency + t) != 0) {
-			ck_error("ERROR: Could not create thread %d\n", t);
-		}
-	}
-	fprintf(stderr, "done\n");
-
-	common_sleep(10);
-	ck_pr_store_uint(&flag, 1);
-
-	fprintf(stderr, "Waiting for threads to finish acquisition regression...");
-	for (t = 0; t < threads; t++)
-		pthread_join(p[t], NULL);
-	fprintf(stderr, "done\n\n");
-
-	for (t = 1; t <= threads; t++)
-		printf("%10u %20" PRIu64 "\n", t, latency[t - 1]);
-
-	fprintf(stderr, "\n");
-	return;
-}
-
-
-int
-main(int argc, char *argv[])
-{
-	int d;
-	pthread_t *p;
-	uint64_t *latency;
-
-	if (argc != 3) {
-		ck_error("Usage: throughput <delta> <threads>\n");
-	}
-
-	threads = atoi(argv[2]);
-	if (threads <= 0) {
-		ck_error("ERROR: Threads must be a value > 0.\n");
-	}
-
-	p = malloc(sizeof(pthread_t) * threads);
-	if (p == NULL) {
-		ck_error("ERROR: Failed to initialize thread.\n");
-	}
-
-	latency = malloc(sizeof(uint64_t) * threads);
-	if (latency == NULL) {
-		ck_error("ERROR: Failed to create latency buffer.\n");
-	}
-
-	d = atoi(argv[1]);
-	swlock_test(p, d, latency, thread_lock, "swlock");
-
-	return 0;
-}
-