X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Ftest_perthreadlock_timing.c;fp=tests%2Ftest_perthreadlock_timing.c;h=0000000000000000000000000000000000000000;hp=97bdd044eae4d231621456efbd4b010b3d72c1aa;hb=f5ab766ee2c8300cb00ca5878b1cb464f960a66d;hpb=a5bae03d59c22e57263b8610b9fed99738303cf0

diff --git a/tests/test_perthreadlock_timing.c b/tests/test_perthreadlock_timing.c
deleted file mode 100644
index 97bdd04..0000000
--- a/tests/test_perthreadlock_timing.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * test_perthreadloc_timing.c
- *
- * Per thread locks - test program
- *
- * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * 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 2 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, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <pthread.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <assert.h>
-#include <pthread.h>
-#include <errno.h>
-
-#include <urcu/arch.h>
-
-#include "thread-id.h"
-
-#include <urcu.h>
-
-struct test_array {
-	int a;
-};
-
-static struct test_array test_array = { 8 };
-
-struct per_thread_lock {
-	pthread_mutex_t lock;
-} __attribute__((aligned(CAA_CACHE_LINE_SIZE)));	/* cache-line aligned */
-
-static struct per_thread_lock *per_thread_lock;
-
-#define OUTER_READ_LOOP	200U
-#define INNER_READ_LOOP	100000U
-#define READ_LOOP ((unsigned long long)OUTER_READ_LOOP * INNER_READ_LOOP)
-
-#define OUTER_WRITE_LOOP 10U
-#define INNER_WRITE_LOOP 200U
-#define WRITE_LOOP ((unsigned long long)OUTER_WRITE_LOOP * INNER_WRITE_LOOP)
-
-static int num_read;
-static int num_write;
-
-#define NR_READ num_read
-#define NR_WRITE num_write
-
-static cycles_t __attribute__((aligned(CAA_CACHE_LINE_SIZE))) *reader_time;
-static cycles_t __attribute__((aligned(CAA_CACHE_LINE_SIZE))) *writer_time;
-
-void *thr_reader(void *arg)
-{
-	int i, j;
-	cycles_t time1, time2;
-	long tidx = (long)arg;
-
-	printf("thread_begin %s, tid %lu\n",
-		"reader", urcu_get_thread_id());
-	sleep(2);
-
-	time1 = caa_get_cycles();
-	for (i = 0; i < OUTER_READ_LOOP; i++) {
-		for (j = 0; j < INNER_READ_LOOP; j++) {
-			pthread_mutex_lock(&per_thread_lock[tidx].lock);
-			assert(test_array.a == 8);
-			pthread_mutex_unlock(&per_thread_lock[tidx].lock);
-		}
-	}
-	time2 = caa_get_cycles();
-
-	reader_time[tidx] = time2 - time1;
-
-	sleep(2);
-	printf("thread_end %s, tid %lu\n",
-		"reader", urcu_get_thread_id());
-	return ((void*)1);
-
-}
-
-void *thr_writer(void *arg)
-{
-	int i, j;
-	long tidx;
-	cycles_t time1, time2;
-
-	printf("thread_begin %s, tid %lu\n",
-		"writer", urcu_get_thread_id());
-	sleep(2);
-
-	for (i = 0; i < OUTER_WRITE_LOOP; i++) {
-		for (j = 0; j < INNER_WRITE_LOOP; j++) {
-			time1 = caa_get_cycles();
-			for (tidx = 0; tidx < NR_READ; tidx++) {
-				pthread_mutex_lock(&per_thread_lock[tidx].lock);
-			}
-			test_array.a = 8;
-			for (tidx = NR_READ - 1; tidx >= 0; tidx--) {
-				pthread_mutex_unlock(&per_thread_lock[tidx].lock);
-			}
-			time2 = caa_get_cycles();
-			writer_time[(unsigned long)arg] += time2 - time1;
-			usleep(1);
-		}
-	}
-
-	printf("thread_end %s, tid %lu\n",
-		"writer", urcu_get_thread_id());
-	return ((void*)2);
-}
-
-int main(int argc, char **argv)
-{
-	int err;
-	pthread_t *tid_reader, *tid_writer;
-	void *tret;
-	int i;
-	cycles_t tot_rtime = 0;
-	cycles_t tot_wtime = 0;
-
-	if (argc < 2) {
-		printf("Usage : %s nr_readers nr_writers\n", argv[0]);
-		exit(-1);
-	}
-	num_read = atoi(argv[1]);
-	num_write = atoi(argv[2]);
-
-	reader_time = calloc(num_read, sizeof(*reader_time));
-	writer_time = calloc(num_write, sizeof(*writer_time));
-	tid_reader = calloc(num_read, sizeof(*tid_reader));
-	tid_writer = calloc(num_write, sizeof(*tid_writer));
-
-	printf("thread %-6s, tid %lu\n",
-		"main", urcu_get_thread_id());
-
-	per_thread_lock = malloc(sizeof(struct per_thread_lock) * NR_READ);
-
-	for (i = 0; i < NR_READ; i++) {
-		pthread_mutex_init(&per_thread_lock[i].lock, NULL);
-	}
-	for (i = 0; i < NR_READ; i++) {
-		err = pthread_create(&tid_reader[i], NULL, thr_reader,
-				     (void *)(long)i);
-		if (err != 0)
-			exit(1);
-	}
-	for (i = 0; i < NR_WRITE; i++) {
-		err = pthread_create(&tid_writer[i], NULL, thr_writer,
-				     (void *)(long)i);
-		if (err != 0)
-			exit(1);
-	}
-
-	sleep(10);
-
-	for (i = 0; i < NR_READ; i++) {
-		err = pthread_join(tid_reader[i], &tret);
-		if (err != 0)
-			exit(1);
-		tot_rtime += reader_time[i];
-	}
-	for (i = 0; i < NR_WRITE; i++) {
-		err = pthread_join(tid_writer[i], &tret);
-		if (err != 0)
-			exit(1);
-		tot_wtime += writer_time[i];
-	}
-	printf("Time per read : %g cycles\n",
-	       (double)tot_rtime / ((double)NR_READ * (double)READ_LOOP));
-	printf("Time per write : %g cycles\n",
-	       (double)tot_wtime / ((double)NR_WRITE * (double)WRITE_LOOP));
-	free(per_thread_lock);
-
-	free(reader_time);
-	free(writer_time);
-	free(tid_reader);
-	free(tid_writer);
-
-	return 0;
-}