projects
/
userspace-rcu.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Update default batch size to 32768, after removal of mutex
[userspace-rcu.git]
/
test_qsbr_gc.c
diff --git
a/test_qsbr_gc.c
b/test_qsbr_gc.c
index 0b2d5df8ddd8dd13cc36c1b40998f78e2a646322..f38477ebf4281c4582d2433c21af3eff4f89f4f0 100644
(file)
--- a/
test_qsbr_gc.c
+++ b/
test_qsbr_gc.c
@@
-101,22
+101,33
@@
static unsigned int cpu_affinities[NR_CPUS];
static unsigned int next_aff = 0;
static int use_affinity = 0;
static unsigned int next_aff = 0;
static int use_affinity = 0;
+pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER;
+
static void set_affinity(void)
{
cpu_set_t mask;
int cpu;
static void set_affinity(void)
{
cpu_set_t mask;
int cpu;
+ int ret;
if (!use_affinity)
return;
if (!use_affinity)
return;
+ ret = pthread_mutex_lock(&affinity_mutex);
+ if (ret) {
+ perror("Error in pthread mutex lock");
+ exit(-1);
+ }
cpu = cpu_affinities[next_aff++];
cpu = cpu_affinities[next_aff++];
+ ret = pthread_mutex_unlock(&affinity_mutex);
+ if (ret) {
+ perror("Error in pthread mutex unlock");
+ exit(-1);
+ }
CPU_ZERO(&mask);
CPU_SET(cpu, &mask);
sched_setaffinity(0, sizeof(mask), &mask);
}
CPU_ZERO(&mask);
CPU_SET(cpu, &mask);
sched_setaffinity(0, sizeof(mask), &mask);
}
-
-
/*
* returns 0 if test should end.
*/
/*
* returns 0 if test should end.
*/
@@
-253,13
+264,8
@@
void *thr_writer(void *data)
for (;;) {
new = malloc(sizeof(*new));
for (;;) {
new = malloc(sizeof(*new));
- rcu_copy_mutex_lock();
- old = test_rcu_pointer;
- if (old)
- assert(old->a == 8);
new->a = 8;
old = _rcu_xchg_pointer(&test_rcu_pointer, new);
new->a = 8;
old = _rcu_xchg_pointer(&test_rcu_pointer, new);
- rcu_copy_mutex_unlock();
rcu_gc_reclaim(wtidx, old);
nr_writes++;
if (unlikely(!test_duration_write()))
rcu_gc_reclaim(wtidx, old);
nr_writes++;
if (unlikely(!test_duration_write()))
This page took
0.025302 seconds
and
4
git commands to generate.