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Add -c option for read-side C.S. length to tests
[urcu.git]
/
test_urcu.c
diff --git
a/test_urcu.c
b/test_urcu.c
index 016fa3f6c70ac2f7aa7c6c74cef1225493d6b1fa..85f4a36ce8e1eb3a35a62854b916ff9b284ced50 100644
(file)
--- a/
test_urcu.c
+++ b/
test_urcu.c
@@
-69,6
+69,9
@@
static struct test_array *test_rcu_pointer;
static unsigned long duration;
static unsigned long duration;
+/* read-side C.S. duration, in us */
+static unsigned long rduration;
+
/*
* returns 0 if test should end.
*/
/*
* returns 0 if test should end.
*/
@@
-168,6
+171,8
@@
void *thr_reader(void *_count)
debug_yield_read();
if (local_ptr)
assert(local_ptr->a == 8);
debug_yield_read();
if (local_ptr)
assert(local_ptr->a == 8);
+ if (unlikely(rduration))
+ usleep(rduration);
rcu_read_unlock();
nr_reads++;
if (unlikely(!test_duration_read()))
rcu_read_unlock();
nr_reads++;
if (unlikely(!test_duration_read()))
@@
-229,6
+234,7
@@
void show_usage(int argc, char **argv)
printf(" [-r] [-w] (yield reader and/or writer)");
#endif
printf(" [-d delay] (writer period (us))");
printf(" [-r] [-w] (yield reader and/or writer)");
#endif
printf(" [-d delay] (writer period (us))");
+ printf(" [-c duration] (reader C.S. duration (us))");
printf(" [-a cpu#] [-a cpu#]... (affinity)");
printf("\n");
}
printf(" [-a cpu#] [-a cpu#]... (affinity)");
printf("\n");
}
@@
-292,6
+298,13
@@
int main(int argc, char **argv)
use_affinity = 1;
printf("Adding CPU %d affinity\n", a);
break;
use_affinity = 1;
printf("Adding CPU %d affinity\n", a);
break;
+ case 'c':
+ if (argc < i + 2) {
+ show_usage(argc, argv);
+ return -1;
+ }
+ rduration = atoi(argv[++i]);
+ break;
case 'd':
if (argc < i + 2) {
show_usage(argc, argv);
case 'd':
if (argc < i + 2) {
show_usage(argc, argv);
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