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urcu tests: add writer duration parameter
[userspace-rcu.git]
/
tests
/
test_urcu.c
diff --git
a/tests/test_urcu.c
b/tests/test_urcu.c
index 0cde0b3c992aa039500546934cd8c2be63677720..1ea9d07945d1741ab2dd58db57c454950b113cd4 100644
(file)
--- a/
tests/test_urcu.c
+++ b/
tests/test_urcu.c
@@
-77,6
+77,9
@@
static unsigned long duration;
/* read-side C.S. duration, in loops */
static unsigned long rduration;
/* read-side C.S. duration, in loops */
static unsigned long rduration;
+/* write-side C.S. duration, in loops */
+static unsigned long wduration;
+
static inline void loop_sleep(unsigned long l)
{
while(l-- != 0)
static inline void loop_sleep(unsigned long l)
{
while(l-- != 0)
@@
-272,6
+275,8
@@
void *thr_writer(void *_count)
new = test_array_alloc();
new->a = 8;
old = rcu_xchg_pointer(&test_rcu_pointer, new);
new = test_array_alloc();
new->a = 8;
old = rcu_xchg_pointer(&test_rcu_pointer, new);
+ if (unlikely(wduration))
+ loop_sleep(wduration);
synchronize_rcu();
if (old)
old->a = 0;
synchronize_rcu();
if (old)
old->a = 0;
@@
-297,6
+302,7
@@
void show_usage(int argc, char **argv)
#endif
printf(" [-d delay] (writer period (us))");
printf(" [-c duration] (reader C.S. duration (in loops))");
#endif
printf(" [-d delay] (writer period (us))");
printf(" [-c duration] (reader C.S. duration (in loops))");
+ printf(" [-e duration] (writer C.S. duration (in loops))");
printf(" [-v] (verbose output)");
printf(" [-a cpu#] [-a cpu#]... (affinity)");
printf("\n");
printf(" [-v] (verbose output)");
printf(" [-a cpu#] [-a cpu#]... (affinity)");
printf("\n");
@@
-370,6
+376,13
@@
int main(int argc, char **argv)
}
wdelay = atol(argv[++i]);
break;
}
wdelay = atol(argv[++i]);
break;
+ case 'e':
+ if (argc < i + 2) {
+ show_usage(argc, argv);
+ return -1;
+ }
+ wduration = atol(argv[++i]);
+ break;
case 'v':
verbose_mode = 1;
break;
case 'v':
verbose_mode = 1;
break;
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