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LGPLv2.1 relicensing
[urcu.git]
/
test_urcu_timing.c
diff --git
a/test_urcu_timing.c
b/test_urcu_timing.c
index 6161192d0b75ea8a881edb25c065a9f0f5afba86..a11532a90c7fce740b2857b306412067d568cd29 100644
(file)
--- a/
test_urcu_timing.c
+++ b/
test_urcu_timing.c
@@
-18,6
+18,7
@@
#include <stdio.h>
#include <assert.h>
#include <sys/syscall.h>
#include <stdio.h>
#include <assert.h>
#include <sys/syscall.h>
+#include <arch.h>
#if defined(_syscall0)
_syscall0(pid_t, gettid)
#if defined(_syscall0)
_syscall0(pid_t, gettid)
@@
-34,23
+35,31
@@
static inline pid_t gettid(void)
}
#endif
}
#endif
-#define rdtscll(val) do { \
- unsigned int __a,__d; \
- asm volatile("rdtsc" : "=a" (__a), "=d" (__d)); \
- (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); \
-} while(0)
+#define _LGPL_SOURCE
+#include "urcu.h"
-
typedef unsigned long long cycles_t
;
+
pthread_mutex_t rcu_copy_mutex = PTHREAD_MUTEX_INITIALIZER
;
-
static inline cycles_t get_cycles
(void)
+
void rcu_copy_mutex_lock
(void)
{
{
- unsigned long long ret = 0;
-
- rdtscll(ret);
- return ret;
+ int ret;
+ ret = pthread_mutex_lock(&rcu_copy_mutex);
+ if (ret) {
+ perror("Error in pthread mutex lock");
+ exit(-1);
+ }
}
}
-#include "urcu.h"
+void rcu_copy_mutex_unlock(void)
+{
+ int ret;
+
+ ret = pthread_mutex_unlock(&rcu_copy_mutex);
+ if (ret) {
+ perror("Error in pthread mutex unlock");
+ exit(-1);
+ }
+}
struct test_array {
int a;
struct test_array {
int a;
@@
-71,7
+80,7
@@
static cycles_t reader_time[NR_READ] __attribute__((aligned(128)));
void *thr_reader(void *arg)
{
void *thr_reader(void *arg)
{
- int
qparity,
i, j;
+ int i, j;
struct test_array *local_ptr;
cycles_t time1, time2;
struct test_array *local_ptr;
cycles_t time1, time2;
@@
-79,22
+88,22
@@
void *thr_reader(void *arg)
"reader", pthread_self(), (unsigned long)gettid());
sleep(2);
"reader", pthread_self(), (unsigned long)gettid());
sleep(2);
-
u
rcu_register_thread();
+ rcu_register_thread();
time1 = get_cycles();
for (i = 0; i < OUTER_READ_LOOP; i++) {
for (j = 0; j < INNER_READ_LOOP; j++) {
time1 = get_cycles();
for (i = 0; i < OUTER_READ_LOOP; i++) {
for (j = 0; j < INNER_READ_LOOP; j++) {
-
qparity =
rcu_read_lock();
+ rcu_read_lock();
local_ptr = rcu_dereference(test_rcu_pointer);
if (local_ptr) {
assert(local_ptr->a == 8);
}
local_ptr = rcu_dereference(test_rcu_pointer);
if (local_ptr) {
assert(local_ptr->a == 8);
}
- rcu_read_unlock(
qparity
);
+ rcu_read_unlock();
}
}
time2 = get_cycles();
}
}
time2 = get_cycles();
-
u
rcu_unregister_thread();
+ rcu_unregister_thread();
reader_time[(unsigned long)arg] = time2 - time1;
reader_time[(unsigned long)arg] = time2 - time1;
@@
-116,14
+125,14
@@
void *thr_writer(void *arg)
for (i = 0; i < WRITE_LOOP; i++) {
new = malloc(sizeof(struct test_array));
for (i = 0; i < WRITE_LOOP; i++) {
new = malloc(sizeof(struct test_array));
- rcu_
write
_lock();
+ rcu_
copy_mutex
_lock();
old = test_rcu_pointer;
if (old) {
assert(old->a == 8);
}
new->a = 8;
old = test_rcu_pointer;
if (old) {
assert(old->a == 8);
}
new->a = 8;
- old =
urcu_publish_content((void **)
&test_rcu_pointer, new);
- rcu_
write
_unlock();
+ old =
rcu_publish_content(
&test_rcu_pointer, new);
+ rcu_
copy_mutex
_unlock();
/* can be done after unlock */
if (old) {
old->a = 0;
/* can be done after unlock */
if (old) {
old->a = 0;
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