#include <unistd.h>
#include <stdio.h>
#include <assert.h>
-#include <sched.h>
#include <errno.h>
#include <urcu/arch.h>
#include <urcu/tls-compat.h>
-
-#ifdef __linux__
-#include <syscall.h>
-#endif
+#include <urcu/uatomic.h>
+#include "cpuset.h"
+#include "thread-id.h"
/* hardcoded number of CPUs */
#define NR_CPUS 16384
-#if defined(_syscall0)
-_syscall0(pid_t, gettid)
-#elif defined(__NR_gettid)
-static inline pid_t gettid(void)
-{
- return syscall(__NR_gettid);
-}
-#else
-#warning "use pid as tid"
-static inline pid_t gettid(void)
-{
- return getpid();
-}
-#endif
-
#ifndef DYNAMIC_LINK_TEST
#define _LGPL_SOURCE
#endif
-#include <urcu.h>
#include <urcu/wfcqueue.h>
enum test_sync {
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)
{
#if HAVE_SCHED_SETAFFINITY
static DEFINE_URCU_TLS(unsigned long long, nr_successful_enqueues);
static DEFINE_URCU_TLS(unsigned long long, nr_empty_dest_enqueues);
static DEFINE_URCU_TLS(unsigned long long, nr_splice);
+static DEFINE_URCU_TLS(unsigned long long, nr_dequeue_last);
static unsigned int nr_enqueuers;
static unsigned int nr_dequeuers;
unsigned long long *count = _count;
bool was_nonempty;
- printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n",
- "enqueuer", (unsigned long) pthread_self(),
- (unsigned long) gettid());
+ printf_verbose("thread_begin %s, tid %lu\n",
+ "enqueuer", urcu_get_thread_id());
set_affinity();
count[0] = URCU_TLS(nr_enqueues);
count[1] = URCU_TLS(nr_successful_enqueues);
count[2] = URCU_TLS(nr_empty_dest_enqueues);
- printf_verbose("enqueuer thread_end, thread id : %lx, tid %lu, "
- "enqueues %llu successful_enqueues %llu, "
- "empty_dest_enqueues %llu\n",
- pthread_self(),
- (unsigned long) gettid(),
- URCU_TLS(nr_enqueues),
- URCU_TLS(nr_successful_enqueues),
- URCU_TLS(nr_empty_dest_enqueues));
+ printf_verbose("enqueuer thread_end, tid %lu, "
+ "enqueues %llu successful_enqueues %llu, "
+ "empty_dest_enqueues %llu\n",
+ urcu_get_thread_id(),
+ URCU_TLS(nr_enqueues),
+ URCU_TLS(nr_successful_enqueues),
+ URCU_TLS(nr_empty_dest_enqueues));
return ((void*)1);
}
static void do_test_dequeue(enum test_sync sync)
{
struct cds_wfcq_node *node;
+ int state;
if (sync == TEST_SYNC_MUTEX)
- node = cds_wfcq_dequeue_blocking(&head, &tail);
+ node = cds_wfcq_dequeue_with_state_blocking(&head, &tail,
+ &state);
else
- node = __cds_wfcq_dequeue_blocking(&head, &tail);
+ node = __cds_wfcq_dequeue_with_state_blocking(&head, &tail,
+ &state);
+
+ if (state & CDS_WFCQ_STATE_LAST)
+ URCU_TLS(nr_dequeue_last)++;
if (node) {
free(node);
break;
case CDS_WFCQ_RET_DEST_EMPTY:
URCU_TLS(nr_splice)++;
+ URCU_TLS(nr_dequeue_last)++;
/* ok */
break;
case CDS_WFCQ_RET_DEST_NON_EMPTY:
static void *thr_dequeuer(void *_count)
{
unsigned long long *count = _count;
- unsigned int counter;
+ unsigned int counter = 0;
- printf_verbose("thread_begin %s, thread id : %lx, tid %lu\n",
- "dequeuer", (unsigned long) pthread_self(),
- (unsigned long) gettid());
+ printf_verbose("thread_begin %s, tid %lu\n",
+ "dequeuer", urcu_get_thread_id());
set_affinity();
loop_sleep(rduration);
}
- printf_verbose("dequeuer thread_end, thread id : %lx, tid %lu, "
- "dequeues %llu, successful_dequeues %llu, "
- "nr_splice %llu\n",
- pthread_self(),
- (unsigned long) gettid(),
- URCU_TLS(nr_dequeues), URCU_TLS(nr_successful_dequeues),
- URCU_TLS(nr_splice));
+ printf_verbose("dequeuer thread_end, tid %lu, "
+ "dequeues %llu, successful_dequeues %llu, "
+ "nr_splice %llu\n",
+ urcu_get_thread_id(),
+ URCU_TLS(nr_dequeues), URCU_TLS(nr_successful_dequeues),
+ URCU_TLS(nr_splice));
count[0] = URCU_TLS(nr_dequeues);
count[1] = URCU_TLS(nr_successful_dequeues);
count[2] = URCU_TLS(nr_splice);
+ count[3] = URCU_TLS(nr_dequeue_last);
return ((void*)2);
}
-static void test_end(unsigned long long *nr_dequeues)
+static void test_end(unsigned long long *nr_dequeues,
+ unsigned long long *nr_dequeue_last)
{
struct cds_wfcq_node *node;
+ int state;
do {
- node = cds_wfcq_dequeue_blocking(&head, &tail);
+ node = cds_wfcq_dequeue_with_state_blocking(&head, &tail,
+ &state);
if (node) {
+ if (state & CDS_WFCQ_STATE_LAST)
+ (*nr_dequeue_last)++;
free(node);
(*nr_dequeues)++;
}
static void show_usage(int argc, char **argv)
{
- printf("Usage : %s nr_dequeuers nr_enqueuers duration (s)", argv[0]);
- printf(" [-d delay] (enqueuer period (in loops))");
- printf(" [-c duration] (dequeuer period (in loops))");
- printf(" [-v] (verbose output)");
- printf(" [-a cpu#] [-a cpu#]... (affinity)");
- printf(" [-q] (test dequeue)");
- printf(" [-s] (test splice, enabled by default)");
- printf(" [-M] (use mutex external synchronization)");
- printf(" Note: default: no external synchronization used.");
- printf(" [-f] (force user-provided synchronization)");
- printf(" [-w] Wait for dequeuer to empty queue");
+ printf("Usage : %s nr_dequeuers nr_enqueuers duration (s) <OPTIONS>\n",
+ argv[0]);
+ printf("OPTIONS:\n");
+ printf(" [-d delay] (enqueuer period (in loops))\n");
+ printf(" [-c duration] (dequeuer period (in loops))\n");
+ printf(" [-v] (verbose output)\n");
+ printf(" [-a cpu#] [-a cpu#]... (affinity)\n");
+ printf(" [-q] (test dequeue)\n");
+ printf(" [-s] (test splice, enabled by default)\n");
+ printf(" [-M] (use mutex external synchronization)\n");
+ printf(" Note: default: no external synchronization used.\n");
+ printf(" [-f] (force user-provided synchronization)\n");
+ printf(" [-w] Wait for dequeuer to empty queue\n");
printf("\n");
}
unsigned long long tot_successful_enqueues = 0,
tot_successful_dequeues = 0,
tot_empty_dest_enqueues = 0,
- tot_splice = 0;
+ tot_splice = 0, tot_dequeue_last = 0;
unsigned long long end_dequeues = 0;
int i, a, retval = 0;
printf_verbose("Wait for dequeuers to empty queue.\n");
printf_verbose("Writer delay : %lu loops.\n", rduration);
printf_verbose("Reader duration : %lu loops.\n", wdelay);
- printf_verbose("thread %-6s, thread id : %lx, tid %lu\n",
- "main", (unsigned long) pthread_self(),
- (unsigned long) gettid());
-
- tid_enqueuer = malloc(sizeof(*tid_enqueuer) * nr_enqueuers);
- tid_dequeuer = malloc(sizeof(*tid_dequeuer) * nr_dequeuers);
- count_enqueuer = malloc(3 * sizeof(*count_enqueuer) * nr_enqueuers);
- count_dequeuer = malloc(3 * sizeof(*count_dequeuer) * nr_dequeuers);
+ printf_verbose("thread %-6s, tid %lu\n",
+ "main", urcu_get_thread_id());
+
+ tid_enqueuer = calloc(nr_enqueuers, sizeof(*tid_enqueuer));
+ tid_dequeuer = calloc(nr_dequeuers, sizeof(*tid_dequeuer));
+ count_enqueuer = calloc(nr_enqueuers, 3 * sizeof(*count_enqueuer));
+ count_dequeuer = calloc(nr_dequeuers, 4 * sizeof(*count_dequeuer));
cds_wfcq_init(&head, &tail);
next_aff = 0;
}
for (i = 0; i < nr_dequeuers; i++) {
err = pthread_create(&tid_dequeuer[i], NULL, thr_dequeuer,
- &count_dequeuer[3 * i]);
+ &count_dequeuer[4 * i]);
if (err != 0)
exit(1);
}
err = pthread_join(tid_dequeuer[i], &tret);
if (err != 0)
exit(1);
- tot_dequeues += count_dequeuer[3 * i];
- tot_successful_dequeues += count_dequeuer[3 * i + 1];
- tot_splice += count_dequeuer[3 * i + 2];
+ tot_dequeues += count_dequeuer[4 * i];
+ tot_successful_dequeues += count_dequeuer[4 * i + 1];
+ tot_splice += count_dequeuer[4 * i + 2];
+ tot_dequeue_last += count_dequeuer[4 * i + 3];
}
- test_end(&end_dequeues);
+ test_end(&end_dequeues, &tot_dequeue_last);
printf_verbose("total number of enqueues : %llu, dequeues %llu\n",
tot_enqueues, tot_dequeues);
printf_verbose("total number of successful enqueues : %llu, "
"enqueues to empty dest : %llu, "
- "successful dequeues %llu, ",
- "splice : %llu\n",
+ "successful dequeues %llu, "
+ "splice : %llu, dequeue_last : %llu\n",
tot_successful_enqueues,
tot_empty_dest_enqueues,
tot_successful_dequeues,
- tot_splice);
+ tot_splice, tot_dequeue_last);
printf("SUMMARY %-25s testdur %4lu nr_enqueuers %3u wdelay %6lu "
"nr_dequeuers %3u "
"rdur %6lu nr_enqueues %12llu nr_dequeues %12llu "
"successful enqueues %12llu enqueues to empty dest %12llu "
"successful dequeues %12llu splice %12llu "
+ "dequeue_last %llu "
"end_dequeues %llu nr_ops %12llu\n",
argv[0], duration, nr_enqueuers, wdelay,
nr_dequeuers, rduration, tot_enqueues, tot_dequeues,
tot_successful_enqueues,
tot_empty_dest_enqueues,
- tot_successful_dequeues, tot_splice, end_dequeues,
+ tot_successful_dequeues, tot_splice, tot_dequeue_last,
+ end_dequeues,
tot_enqueues + tot_dequeues);
if (tot_successful_enqueues != tot_successful_dequeues + end_dequeues) {
* exactly as many empty queues than the number of non-empty
* src splice.
*/
- if (test_wait_empty && test_splice && !test_dequeue
- && tot_empty_dest_enqueues != tot_splice) {
+ if (tot_empty_dest_enqueues != tot_dequeue_last) {
printf("WARNING! Discrepancy between empty enqueue (%llu) and "
- "number of non-empty splice (%llu)\n",
+ "number of dequeue of last element (%llu)\n",
tot_empty_dest_enqueues,
- tot_splice);
+ tot_dequeue_last);
retval = 1;
}
free(count_enqueuer);
projects / urcu.git / blobdiff