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Add verbose mode
[urcu.git]
/
test_qsbr.c
diff --git
a/test_qsbr.c
b/test_qsbr.c
index 7ff1aca9c7600994f5b2ad30d79d0ca7fd3a0e60..b65d9ca1093a524d9580547a665c0d5fc322b490 100644
(file)
--- a/
test_qsbr.c
+++ b/
test_qsbr.c
@@
-65,9
+65,23
@@
static struct test_array *test_rcu_pointer;
static unsigned long duration;
static unsigned long duration;
-/* read-side C.S. duration, in
u
s */
+/* read-side C.S. duration, in
loop
s */
static unsigned long rduration;
static unsigned long rduration;
+static inline void loop_sleep(unsigned long l)
+{
+ while(l-- != 0)
+ cpu_relax();
+}
+
+static int verbose_mode;
+
+#define printf_verbose(fmt, args...) \
+ do { \
+ if (verbose_mode) \
+ printf(fmt, args); \
+ } while (0)
+
/*
* returns 0 if test should end.
*/
/*
* returns 0 if test should end.
*/
@@
-151,7
+165,7
@@
void *thr_reader(void *_count)
unsigned long long *count = _count;
struct test_array *local_ptr;
unsigned long long *count = _count;
struct test_array *local_ptr;
- printf("thread_begin %s, thread id : %lx, tid %lu\n",
+ printf
_verbose
("thread_begin %s, thread id : %lx, tid %lu\n",
"reader", pthread_self(), (unsigned long)gettid());
rcu_register_thread();
"reader", pthread_self(), (unsigned long)gettid());
rcu_register_thread();
@@
-168,7
+182,7
@@
void *thr_reader(void *_count)
if (local_ptr)
assert(local_ptr->a == 8);
if (unlikely(rduration))
if (local_ptr)
assert(local_ptr->a == 8);
if (unlikely(rduration))
-
u
sleep(rduration);
+
loop_
sleep(rduration);
_rcu_read_unlock();
nr_reads++;
/* QS each 1024 reads */
_rcu_read_unlock();
nr_reads++;
/* QS each 1024 reads */
@@
-181,7
+195,7
@@
void *thr_reader(void *_count)
rcu_unregister_thread();
*count = nr_reads;
rcu_unregister_thread();
*count = nr_reads;
- printf("thread_end %s, thread id : %lx, tid %lu\n",
+ printf
_verbose
("thread_end %s, thread id : %lx, tid %lu\n",
"reader", pthread_self(), (unsigned long)gettid());
return ((void*)1);
"reader", pthread_self(), (unsigned long)gettid());
return ((void*)1);
@@
-192,7
+206,7
@@
void *thr_writer(void *_count)
unsigned long long *count = _count;
struct test_array *new, *old;
unsigned long long *count = _count;
struct test_array *new, *old;
- printf("thread_begin %s, thread id : %lx, tid %lu\n",
+ printf
_verbose
("thread_begin %s, thread id : %lx, tid %lu\n",
"writer", pthread_self(), (unsigned long)gettid());
while (!test_go)
"writer", pthread_self(), (unsigned long)gettid());
while (!test_go)
@@
-220,7
+234,7
@@
void *thr_writer(void *_count)
usleep(wdelay);
}
usleep(wdelay);
}
- printf("thread_end %s, thread id : %lx, tid %lu\n",
+ printf
_verbose
("thread_end %s, thread id : %lx, tid %lu\n",
"writer", pthread_self(), (unsigned long)gettid());
*count = nr_writes;
return ((void*)2);
"writer", pthread_self(), (unsigned long)gettid());
*count = nr_writes;
return ((void*)2);
@@
-233,7
+247,8
@@
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(" [-c duration] (reader C.S. duration (in loops))");
+ printf(" [-v] (verbose output)");
printf(" [-a cpu#] [-a cpu#]... (affinity)");
printf("\n");
}
printf(" [-a cpu#] [-a cpu#]... (affinity)");
printf("\n");
}
@@
-295,7
+310,7
@@
int main(int argc, char **argv)
a = atoi(argv[++i]);
CPU_SET(a, &affinity);
use_affinity = 1;
a = atoi(argv[++i]);
CPU_SET(a, &affinity);
use_affinity = 1;
- printf("Adding CPU %d affinity\n", a);
+ printf
_verbose
("Adding CPU %d affinity\n", a);
break;
case 'c':
if (argc < i + 2) {
break;
case 'c':
if (argc < i + 2) {
@@
-311,13
+326,17
@@
int main(int argc, char **argv)
}
wdelay = atoi(argv[++i]);
break;
}
wdelay = atoi(argv[++i]);
break;
+ case 'v':
+ verbose_mode = 1;
+ break;
}
}
}
}
- printf("running test for %lu seconds, %u readers, %u writers.\n",
+ printf
_verbose
("running test for %lu seconds, %u readers, %u writers.\n",
duration, nr_readers, nr_writers);
duration, nr_readers, nr_writers);
- printf("Writer delay : %u us.\n", wdelay);
- printf("thread %-6s, thread id : %lx, tid %lu\n",
+ printf_verbose("Writer delay : %u us.\n", wdelay);
+ printf_verbose("Reader duration : %lu loops.\n", rduration);
+ printf_verbose("thread %-6s, thread id : %lx, tid %lu\n",
"main", pthread_self(), (unsigned long)gettid());
if (use_affinity
"main", pthread_self(), (unsigned long)gettid());
if (use_affinity
@@
-366,8
+385,13
@@
int main(int argc, char **argv)
tot_writes += count_writer[i];
}
tot_writes += count_writer[i];
}
- printf("total number of reads : %llu, writes %llu\n", tot_reads,
+ printf
_verbose
("total number of reads : %llu, writes %llu\n", tot_reads,
tot_writes);
tot_writes);
+ printf("SUMMARY %s testdur %lu nr_readers %u rdur %lu nr_writers %u "
+ "wdelay %u nr_reads %llu nr_writes %llu nr_ops %llu\n",
+ argv[0], duration, nr_readers, rduration,
+ nr_writers, wdelay, tot_reads, tot_writes,
+ tot_reads + tot_writes);
test_array_free(test_rcu_pointer);
free(test_array);
free(tid_reader);
test_array_free(test_rcu_pointer);
free(test_array);
free(tid_reader);
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