Cleanup: doc/examples makefile
[urcu.git] / tests / test_urcu_timing.c
index 13c0993570817560b4e45809db9660bf0f09b074..e31b676ca506adf3dac9d20bdee7c6fba01a47fb 100644 (file)
@@ -3,7 +3,7 @@
  *
  * Userspace RCU library - test program
  *
- * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ * 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
 #include <unistd.h>
 #include <stdio.h>
 #include <assert.h>
-#include <sys/syscall.h>
+#include <errno.h>
 #include <urcu/arch.h>
 
-#if defined(_syscall0)
-_syscall0(pid_t, gettid)
-#elif defined(__NR_gettid)
-static inline pid_t gettid(void)
-{
-       return syscall(__NR_gettid);
-}
-#else
-#warning "use pid as tid"
-static inline pid_t gettid(void)
-{
-       return getpid();
-}
-#endif
+#include "thread-id.h"
 
 #define _LGPL_SOURCE
 #include <urcu.h>
@@ -93,8 +80,8 @@ static int num_write;
 #define NR_READ num_read
 #define NR_WRITE num_write
 
-static cycles_t __attribute__((aligned(CACHE_LINE_SIZE))) *reader_time;
-static cycles_t __attribute__((aligned(CACHE_LINE_SIZE))) *writer_time;
+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)
 {
@@ -102,13 +89,13 @@ void *thr_reader(void *arg)
        struct test_array *local_ptr;
        cycles_t time1, time2;
 
-       printf("thread_begin %s, thread id : %lx, tid %lu\n",
-                       "reader", pthread_self(), (unsigned long)gettid());
+       printf("thread_begin %s, tid %lu\n",
+               "reader", urcu_get_thread_id());
        sleep(2);
 
        rcu_register_thread();
 
-       time1 = get_cycles();
+       time1 = caa_get_cycles();
        for (i = 0; i < OUTER_READ_LOOP; i++) {
                for (j = 0; j < INNER_READ_LOOP; j++) {
                        rcu_read_lock();
@@ -119,15 +106,15 @@ void *thr_reader(void *arg)
                        rcu_read_unlock();
                }
        }
-       time2 = get_cycles();
+       time2 = caa_get_cycles();
 
        rcu_unregister_thread();
 
        reader_time[(unsigned long)arg] = time2 - time1;
 
        sleep(2);
-       printf("thread_end %s, thread id : %lx, tid %lu\n",
-                       "reader", pthread_self(), (unsigned long)gettid());
+       printf("thread_end %s, tid %lu\n",
+               "reader", urcu_get_thread_id());
        return ((void*)1);
 
 }
@@ -138,13 +125,13 @@ void *thr_writer(void *arg)
        struct test_array *new, *old;
        cycles_t time1, time2;
 
-       printf("thread_begin %s, thread id : %lx, tid %lu\n",
-                       "writer", pthread_self(), (unsigned long)gettid());
+       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 = get_cycles();
+                       time1 = caa_get_cycles();
                        new = malloc(sizeof(struct test_array));
                        rcu_copy_mutex_lock();
                        old = test_rcu_pointer;
@@ -152,21 +139,22 @@ void *thr_writer(void *arg)
                                assert(old->a == 8);
                        }
                        new->a = 8;
-                       old = rcu_publish_content(&test_rcu_pointer, new);
+                       old = rcu_xchg_pointer(&test_rcu_pointer, new);
                        rcu_copy_mutex_unlock();
+                       synchronize_rcu();
                        /* can be done after unlock */
                        if (old) {
                                old->a = 0;
                        }
                        free(old);
-                       time2 = get_cycles();
+                       time2 = caa_get_cycles();
                        writer_time[(unsigned long)arg] += time2 - time1;
                        usleep(1);
                }
        }
 
-       printf("thread_end %s, thread id : %lx, tid %lu\n",
-                       "writer", pthread_self(), (unsigned long)gettid());
+       printf("thread_end %s, tid %lu\n",
+               "writer", urcu_get_thread_id());
        return ((void*)2);
 }
 
@@ -186,13 +174,13 @@ int main(int argc, char **argv)
        num_read = atoi(argv[1]);
        num_write = atoi(argv[2]);
 
-       reader_time = malloc(sizeof(*reader_time) * num_read);
-       writer_time = malloc(sizeof(*writer_time) * num_write);
-       tid_reader = malloc(sizeof(*tid_reader) * num_read);
-       tid_writer = malloc(sizeof(*tid_writer) * num_write);
+       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, thread id : %lx, tid %lu\n",
-                       "main", pthread_self(), (unsigned long)gettid());
+       printf("thread %-6s, tid %lu\n",
+               "main", urcu_get_thread_id());
 
        for (i = 0; i < NR_READ; i++) {
                err = pthread_create(&tid_reader[i], NULL, thr_reader,
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