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urcu tests: add writer duration parameter
[urcu.git]
/
tests
/
test_urcu_defer.c
diff --git
a/tests/test_urcu_defer.c
b/tests/test_urcu_defer.c
index 72c598b40a0552f4b60b03ac38c511b417796c9b..59a0785393445b63c560d2eef47360194569ac8e 100644
(file)
--- a/
tests/test_urcu_defer.c
+++ b/
tests/test_urcu_defer.c
@@
-21,6
+21,7
@@
*/
#define _GNU_SOURCE
*/
#define _GNU_SOURCE
+#include "../config.h"
#include <stdio.h>
#include <pthread.h>
#include <stdlib.h>
#include <stdio.h>
#include <pthread.h>
#include <stdlib.h>
@@
-77,6
+78,9
@@
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)
@@
-97,6
+101,12
@@
static int use_affinity = 0;
pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER;
+#ifndef HAVE_CPU_SET_T
+typedef unsigned long cpu_set_t;
+# define CPU_ZERO(cpuset) do { *(cpuset) = 0; } while(0)
+# define CPU_SET(cpu, cpuset) do { *(cpuset) |= (1UL << (cpu)); } while(0)
+#endif
+
static void set_affinity(void)
{
cpu_set_t mask;
static void set_affinity(void)
{
cpu_set_t mask;
@@
-106,6
+116,7
@@
static void set_affinity(void)
if (!use_affinity)
return;
if (!use_affinity)
return;
+#if HAVE_SCHED_SETAFFINITY
ret = pthread_mutex_lock(&affinity_mutex);
if (ret) {
perror("Error in pthread mutex lock");
ret = pthread_mutex_lock(&affinity_mutex);
if (ret) {
perror("Error in pthread mutex lock");
@@
-117,9
+128,15
@@
static void set_affinity(void)
perror("Error in pthread mutex unlock");
exit(-1);
}
perror("Error in pthread mutex unlock");
exit(-1);
}
+
CPU_ZERO(&mask);
CPU_SET(cpu, &mask);
CPU_ZERO(&mask);
CPU_SET(cpu, &mask);
+#if SCHED_SETAFFINITY_ARGS == 2
+ sched_setaffinity(0, &mask);
+#else
sched_setaffinity(0, sizeof(mask), &mask);
sched_setaffinity(0, sizeof(mask), &mask);
+#endif
+#endif /* HAVE_SCHED_SETAFFINITY */
}
/*
}
/*
@@
-236,6
+253,8
@@
void *thr_writer(void *data)
new = malloc(sizeof(*new));
new->a = 8;
old = rcu_xchg_pointer(&test_rcu_pointer, new);
new = malloc(sizeof(*new));
new->a = 8;
old = rcu_xchg_pointer(&test_rcu_pointer, new);
+ if (unlikely(wduration))
+ loop_sleep(wduration);
defer_rcu(free, old);
defer_rcu(test_cb1, old);
defer_rcu(test_cb1, (void *)-2L);
defer_rcu(free, old);
defer_rcu(test_cb1, old);
defer_rcu(test_cb1, (void *)-2L);
@@
-267,6
+286,7
@@
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");
@@
-340,6
+360,13
@@
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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