void TimeInit(void)
{
SCSpinInit(¤t_time_spinlock, 0);
/* Initialize Time Zone settings. */
tzset();
}
void FlowHashDebugInit(void)
{
#ifdef FLOW_DEBUG_STATS
SCSpinInit(&flow_hash_count_lock, 0);
#endif
flow_hash_count_fp = fopen("flow-debug.log", "w+");
if (flow_hash_count_fp != NULL) {
fprintf(flow_hash_count_fp, "ts,all,tcp,udp,icmp,other\n");
}
}
/**
* \brief Test Spinlock Macros
*
* Valgrind's DRD tool (valgrind-3.5.0-Debian) reports:
*
* ==31156== Recursive locking not allowed: mutex 0x7fefff97c, recursion count 1, owner 1.
* ==31156== at 0x4C2C77E: pthread_spin_trylock (drd_pthread_intercepts.c:829)
* ==31156== by 0x40EB3E: ThreadMacrosTest02Spinlocks (threads.c:40)
* ==31156== by 0x532E8A: UtRunTests (util-unittest.c:182)
* ==31156== by 0x4065C3: main (suricata.c:789)
*
* To me this is a false positve, as the whole point of "trylock" is to see
* if a spinlock is actually locked.
*
*/
int ThreadMacrosTest02Spinlocks(void) {
SCSpinlock mut;
int r = 0;
r |= SCSpinInit(&mut, 0);
r |= SCSpinLock(&mut);
#ifndef __OpenBSD__
r |= (SCSpinTrylock(&mut) == EBUSY)? 0 : 1;
#else
r |= (SCSpinTrylock(&mut) == EDEADLK)? 0 : 1;
#endif
r |= SCSpinUnlock(&mut);
r |= SCSpinDestroy(&mut);
return (r == 0)? 1 : 0;
}
RingBuffer16 *RingBufferInit(void) {
RingBuffer16 *rb = SCMalloc(sizeof(RingBuffer16));
if (unlikely(rb == NULL)) {
return NULL;
}
memset(rb, 0x00, sizeof(RingBuffer16));
SC_ATOMIC_INIT(rb->write);
SC_ATOMIC_INIT(rb->read);
SCSpinInit(&rb->spin, 0);
#ifdef RINGBUFFER_MUTEX_WAIT
SCMutexInit(&rb->wait_mutex, NULL);
SCCondInit(&rb->wait_cond, NULL);
#endif
return rb;
}
static int
ProfilingGenericTicksTest01(void)
{
#define TEST_RUNS 1024
uint64_t ticks_start = 0;
uint64_t ticks_end = 0;
void *ptr[TEST_RUNS];
int i;
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
ptr[i] = SCMalloc(1024);
}
ticks_end = UtilCpuGetTicks();
printf("malloc(1024) %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
SCFree(ptr[i]);
}
ticks_end = UtilCpuGetTicks();
printf("SCFree(1024) %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
SCMutex m[TEST_RUNS];
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
SCMutexInit(&m[i], NULL);
}
ticks_end = UtilCpuGetTicks();
printf("SCMutexInit() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
SCMutexLock(&m[i]);
}
ticks_end = UtilCpuGetTicks();
printf("SCMutexLock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
SCMutexUnlock(&m[i]);
}
ticks_end = UtilCpuGetTicks();
printf("SCMutexUnlock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
SCMutexDestroy(&m[i]);
}
ticks_end = UtilCpuGetTicks();
printf("SCMutexDestroy() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
SCSpinlock s[TEST_RUNS];
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
SCSpinInit(&s[i], 0);
}
ticks_end = UtilCpuGetTicks();
printf("SCSpinInit() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
SCSpinLock(&s[i]);
}
ticks_end = UtilCpuGetTicks();
printf("SCSpinLock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
SCSpinUnlock(&s[i]);
}
ticks_end = UtilCpuGetTicks();
printf("SCSpinUnlock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
SCSpinDestroy(&s[i]);
}
ticks_end = UtilCpuGetTicks();
printf("SCSpinDestroy() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
SC_ATOMIC_DECL_AND_INIT(unsigned int, test);
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
(void) SC_ATOMIC_ADD(test,1);
}
ticks_end = UtilCpuGetTicks();
printf("SC_ATOMIC_ADD %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
ticks_start = UtilCpuGetTicks();
for (i = 0; i < TEST_RUNS; i++) {
SC_ATOMIC_CAS(&test,i,i+1);
}
ticks_end = UtilCpuGetTicks();
printf("SC_ATOMIC_CAS %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
return 1;
}