#include "test.h"
/* Check condition and return an error if true. */
-#define TEST_RCU_MAX_LCORE 128
-static uint16_t enabled_core_ids[TEST_RCU_MAX_LCORE];
-static uint8_t num_cores;
+static uint16_t enabled_core_ids[RTE_MAX_LCORE];
+static unsigned int num_cores;
static uint32_t *keys;
#define TOTAL_ENTRY (1024 * 8)
static volatile uint8_t all_registered;
static volatile uint32_t thr_id;
-static struct rte_rcu_qsbr *t[TEST_RCU_MAX_LCORE];
+static struct rte_rcu_qsbr *t[RTE_MAX_LCORE];
static struct rte_hash *h;
static char hash_name[8];
static rte_atomic64_t updates, checks;
*/
#define RCU_SCALE_DOWN 1000
-/* Simple way to allocate thread ids in 0 to TEST_RCU_MAX_LCORE space */
+/* Simple way to allocate thread ids in 0 to RTE_MAX_LCORE space */
static inline uint32_t
alloc_thread_id(void)
{
uint32_t tmp_thr_id;
tmp_thr_id = __atomic_fetch_add(&thr_id, 1, __ATOMIC_RELAXED);
- if (tmp_thr_id >= TEST_RCU_MAX_LCORE)
+ if (tmp_thr_id >= RTE_MAX_LCORE)
printf("Invalid thread id %u\n", tmp_thr_id);
return tmp_thr_id;
}
-static inline int
-get_enabled_cores_mask(void)
-{
- uint16_t core_id;
- uint32_t max_cores = rte_lcore_count();
-
- if (max_cores > TEST_RCU_MAX_LCORE) {
- printf("Number of cores exceed %d\n", TEST_RCU_MAX_LCORE);
- return -1;
- }
-
- core_id = 0;
- num_cores = 0;
- RTE_LCORE_FOREACH_SLAVE(core_id) {
- enabled_core_ids[num_cores] = core_id;
- num_cores++;
- }
-
- return 0;
-}
-
static int
test_rcu_qsbr_reader_perf(void *arg)
{
static int
test_rcu_qsbr_perf(void)
{
- int i, sz;
- int tmp_num_cores;
+ size_t sz;
+ unsigned int i, tmp_num_cores;
writer_done = 0;
if (all_registered == 1)
tmp_num_cores = num_cores - 1;
else
- tmp_num_cores = TEST_RCU_MAX_LCORE;
+ tmp_num_cores = RTE_MAX_LCORE;
sz = rte_rcu_qsbr_get_memsize(tmp_num_cores);
t[0] = (struct rte_rcu_qsbr *)rte_zmalloc("rcu0", sz,
/* Wait until all readers have exited */
rte_eal_mp_wait_lcore();
- printf("Total RCU updates = %"PRIi64"\n", rte_atomic64_read(&updates));
- printf("Cycles per %d updates: %"PRIi64"\n", RCU_SCALE_DOWN,
+ printf("Total quiescent state updates = %"PRIi64"\n",
+ rte_atomic64_read(&updates));
+ printf("Cycles per %d quiescent state updates: %"PRIi64"\n",
+ RCU_SCALE_DOWN,
rte_atomic64_read(&update_cycles) /
(rte_atomic64_read(&updates) / RCU_SCALE_DOWN));
printf("Total RCU checks = %"PRIi64"\n", rte_atomic64_read(&checks));
static int
test_rcu_qsbr_rperf(void)
{
- int i, sz;
- int tmp_num_cores;
+ size_t sz;
+ unsigned int i, tmp_num_cores;
rte_atomic64_clear(&updates);
rte_atomic64_clear(&update_cycles);
if (all_registered == 1)
tmp_num_cores = num_cores;
else
- tmp_num_cores = TEST_RCU_MAX_LCORE;
+ tmp_num_cores = RTE_MAX_LCORE;
sz = rte_rcu_qsbr_get_memsize(tmp_num_cores);
t[0] = (struct rte_rcu_qsbr *)rte_zmalloc("rcu0", sz,
/* Wait until all readers have exited */
rte_eal_mp_wait_lcore();
- printf("Total RCU updates = %"PRIi64"\n", rte_atomic64_read(&updates));
- printf("Cycles per %d updates: %"PRIi64"\n", RCU_SCALE_DOWN,
+ printf("Total quiescent state updates = %"PRIi64"\n",
+ rte_atomic64_read(&updates));
+ printf("Cycles per %d quiescent state updates: %"PRIi64"\n",
+ RCU_SCALE_DOWN,
rte_atomic64_read(&update_cycles) /
(rte_atomic64_read(&updates) / RCU_SCALE_DOWN));
static int
test_rcu_qsbr_wperf(void)
{
- int i, sz;
+ size_t sz;
+ unsigned int i;
rte_atomic64_clear(&checks);
rte_atomic64_clear(&check_cycles);
/* Number of readers does not matter for QS variable in this test
* case as no reader will be registered.
*/
- sz = rte_rcu_qsbr_get_memsize(TEST_RCU_MAX_LCORE);
+ sz = rte_rcu_qsbr_get_memsize(RTE_MAX_LCORE);
t[0] = (struct rte_rcu_qsbr *)rte_zmalloc("rcu0", sz,
RTE_CACHE_LINE_SIZE);
/* QS variable is initialized */
- rte_rcu_qsbr_init(t[0], TEST_RCU_MAX_LCORE);
+ rte_rcu_qsbr_init(t[0], RTE_MAX_LCORE);
/* Writer threads are launched */
for (i = 0; i < num_cores; i++)
for (i = 0; i < TOTAL_ENTRY; i++) {
hash_data[i] = rte_zmalloc(NULL,
- sizeof(uint32_t) * TEST_RCU_MAX_LCORE, 0);
+ sizeof(uint32_t) * RTE_MAX_LCORE, 0);
if (hash_data[i] == NULL) {
printf("No memory\n");
return NULL;
test_rcu_qsbr_sw_sv_1qs(void)
{
uint64_t token, begin, cycles;
- int i, j, tmp_num_cores, sz;
+ size_t sz;
+ unsigned int i, j, tmp_num_cores;
int32_t pos;
writer_done = 0;
if (all_registered == 1)
tmp_num_cores = num_cores;
else
- tmp_num_cores = TEST_RCU_MAX_LCORE;
+ tmp_num_cores = RTE_MAX_LCORE;
sz = rte_rcu_qsbr_get_memsize(tmp_num_cores);
t[0] = (struct rte_rcu_qsbr *)rte_zmalloc("rcu0", sz,
rte_free(keys);
printf("Following numbers include calls to rte_hash functions\n");
- printf("Cycles per 1 update(online/update/offline): %"PRIi64"\n",
+ printf("Cycles per 1 quiescent state update(online/update/offline): %"PRIi64"\n",
rte_atomic64_read(&update_cycles) /
rte_atomic64_read(&updates));
test_rcu_qsbr_sw_sv_1qs_non_blocking(void)
{
uint64_t token, begin, cycles;
- int i, j, ret, tmp_num_cores, sz;
+ int ret;
+ size_t sz;
+ unsigned int i, j, tmp_num_cores;
int32_t pos;
writer_done = 0;
if (all_registered == 1)
tmp_num_cores = num_cores;
else
- tmp_num_cores = TEST_RCU_MAX_LCORE;
+ tmp_num_cores = RTE_MAX_LCORE;
sz = rte_rcu_qsbr_get_memsize(tmp_num_cores);
t[0] = (struct rte_rcu_qsbr *)rte_zmalloc("rcu0", sz,
rte_free(keys);
printf("Following numbers include calls to rte_hash functions\n");
- printf("Cycles per 1 update(online/update/offline): %"PRIi64"\n",
+ printf("Cycles per 1 quiescent state update(online/update/offline): %"PRIi64"\n",
rte_atomic64_read(&update_cycles) /
rte_atomic64_read(&updates));
static int
test_rcu_qsbr_main(void)
{
+ uint16_t core_id;
+
+ if (rte_lcore_count() < 3) {
+ printf("Not enough cores for rcu_qsbr_perf_autotest, expecting at least 3\n");
+ return TEST_SKIPPED;
+ }
+
rte_atomic64_init(&updates);
rte_atomic64_init(&update_cycles);
rte_atomic64_init(&checks);
rte_atomic64_init(&check_cycles);
- if (get_enabled_cores_mask() != 0)
- return -1;
-
- printf("Number of cores provided = %d\n", num_cores);
- if (num_cores < 2) {
- printf("Test failed! Need 2 or more cores\n");
- goto test_fail;
- }
- if (num_cores > TEST_RCU_MAX_LCORE) {
- printf("Test failed! %d cores supported\n", TEST_RCU_MAX_LCORE);
- goto test_fail;
+ num_cores = 0;
+ RTE_LCORE_FOREACH_SLAVE(core_id) {
+ enabled_core_ids[num_cores] = core_id;
+ num_cores++;
}
+ printf("Number of cores provided = %d\n", num_cores);
printf("Perf test with all reader threads registered\n");
printf("--------------------------------------------\n");
all_registered = 1;
goto test_fail;
/* Make sure the actual number of cores provided is less than
- * TEST_RCU_MAX_LCORE. This will allow for some threads not
+ * RTE_MAX_LCORE. This will allow for some threads not
* to be registered on the QS variable.
*/
- if (num_cores >= TEST_RCU_MAX_LCORE) {
+ if (num_cores >= RTE_MAX_LCORE) {
printf("Test failed! number of cores provided should be less than %d\n",
- TEST_RCU_MAX_LCORE);
+ RTE_MAX_LCORE);
goto test_fail;
}