[dpdk-dev] [PATCH v1 3/3] test/hash: add readwrite test for ext table
Yipeng Wang
yipeng1.wang at intel.com
Wed Oct 10 23:48:05 CEST 2018
This commit improves the readwrite test to consider
extendable table feature and add more functional tests
to cover more corner cases.
Signed-off-by: Yipeng Wang <yipeng1.wang at intel.com>
---
test/test/test_hash_readwrite.c | 70 ++++++++++++++++++++++++++++++++++-------
1 file changed, 58 insertions(+), 12 deletions(-)
diff --git a/test/test/test_hash_readwrite.c b/test/test/test_hash_readwrite.c
index 2a4f7b9..1cb00ad 100644
--- a/test/test/test_hash_readwrite.c
+++ b/test/test/test_hash_readwrite.c
@@ -21,6 +21,8 @@
#define TOTAL_ENTRY (16*1024*1024)
#define TOTAL_INSERT (15*1024*1024)
+#define TOTAL_INSERT_EXT (16*1024*1024)
+
#define NUM_TEST 3
unsigned int core_cnt[NUM_TEST] = {2, 4, 8};
@@ -59,8 +61,10 @@ test_hash_readwrite_worker(__attribute__((unused)) void *arg)
uint64_t i, offset;
uint32_t lcore_id = rte_lcore_id();
uint64_t begin, cycles;
- int ret;
+ int *ret;
+ ret = rte_malloc(NULL, sizeof(int) *
+ tbl_rw_test_param.num_insert, 0);
for (i = 0; i < rte_lcore_count(); i++) {
if (slave_core_ids[i] == lcore_id)
break;
@@ -79,13 +83,30 @@ test_hash_readwrite_worker(__attribute__((unused)) void *arg)
tbl_rw_test_param.keys + i) > 0)
break;
- ret = rte_hash_add_key(tbl_rw_test_param.h,
+ ret[i - offset] = rte_hash_add_key(tbl_rw_test_param.h,
tbl_rw_test_param.keys + i);
- if (ret < 0)
+ if (ret[i - offset] < 0)
+ break;
+
+ /* lookup a random key */
+ uint32_t rand = rte_rand() % (i + 1 - offset);
+
+ if (rte_hash_lookup(tbl_rw_test_param.h,
+ tbl_rw_test_param.keys + rand) != ret[rand])
+ break;
+
+
+ if (rte_hash_del_key(tbl_rw_test_param.h,
+ tbl_rw_test_param.keys + rand) != ret[rand])
+ break;
+
+ ret[rand] = rte_hash_add_key(tbl_rw_test_param.h,
+ tbl_rw_test_param.keys + rand);
+ if (ret[rand] < 0)
break;
if (rte_hash_lookup(tbl_rw_test_param.h,
- tbl_rw_test_param.keys + i) != ret)
+ tbl_rw_test_param.keys + rand) != ret[rand])
break;
}
@@ -100,7 +121,7 @@ test_hash_readwrite_worker(__attribute__((unused)) void *arg)
}
static int
-init_params(int use_htm, int use_jhash)
+init_params(int use_ext, int use_htm, int use_jhash)
{
unsigned int i;
@@ -127,6 +148,13 @@ init_params(int use_htm, int use_jhash)
hash_params.extra_flag =
RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY;
+ if (use_ext)
+ hash_params.extra_flag |=
+ RTE_HASH_EXTRA_FLAGS_EXT_TABLE;
+ else
+ hash_params.extra_flag &=
+ ~RTE_HASH_EXTRA_FLAGS_EXT_TABLE;
+
hash_params.name = "tests";
handle = rte_hash_create(&hash_params);
@@ -165,7 +193,7 @@ init_params(int use_htm, int use_jhash)
}
static int
-test_hash_readwrite_functional(int use_htm)
+test_hash_readwrite_functional(int use_ext, int use_htm)
{
unsigned int i;
const void *next_key;
@@ -176,6 +204,7 @@ test_hash_readwrite_functional(int use_htm)
uint32_t lost_keys = 0;
int use_jhash = 1;
int slave_cnt = rte_lcore_count() - 1;
+ uint32_t tot_insert = 0;
rte_atomic64_init(&gcycles);
rte_atomic64_clear(&gcycles);
@@ -183,11 +212,16 @@ test_hash_readwrite_functional(int use_htm)
rte_atomic64_init(&ginsertions);
rte_atomic64_clear(&ginsertions);
- if (init_params(use_htm, use_jhash) != 0)
+ if (init_params(use_ext, use_htm, use_jhash) != 0)
goto err;
+ if (use_ext)
+ tot_insert = TOTAL_INSERT_EXT;
+ else
+ tot_insert = TOTAL_INSERT;
+
tbl_rw_test_param.num_insert =
- TOTAL_INSERT / slave_cnt;
+ tot_insert / slave_cnt;
tbl_rw_test_param.rounded_tot_insert =
tbl_rw_test_param.num_insert
@@ -343,7 +377,7 @@ test_hash_readwrite_perf(struct perf *perf_results, int use_htm,
rte_atomic64_init(&gwrite_cycles);
rte_atomic64_clear(&gwrite_cycles);
- if (init_params(use_htm, use_jhash) != 0)
+ if (init_params(0, use_htm, use_jhash) != 0)
goto err;
/*
@@ -577,7 +611,7 @@ test_hash_readwrite_main(void)
* than writer threads. This is to timing either reader threads or
* writer threads for performance numbers.
*/
- int use_htm, reader_faster;
+ int use_htm, use_ext, reader_faster;
unsigned int i = 0, core_id = 0;
if (rte_lcore_count() <= 2) {
@@ -600,7 +634,13 @@ test_hash_readwrite_main(void)
printf("Test read-write with Hardware transactional memory\n");
use_htm = 1;
- if (test_hash_readwrite_functional(use_htm) < 0)
+ use_ext = 0;
+
+ if (test_hash_readwrite_functional(use_ext, use_htm) < 0)
+ return -1;
+
+ use_ext = 1;
+ if (test_hash_readwrite_functional(use_ext, use_htm) < 0)
return -1;
reader_faster = 1;
@@ -619,8 +659,14 @@ test_hash_readwrite_main(void)
printf("Test read-write without Hardware transactional memory\n");
use_htm = 0;
- if (test_hash_readwrite_functional(use_htm) < 0)
+ use_ext = 0;
+ if (test_hash_readwrite_functional(use_ext, use_htm) < 0)
return -1;
+
+ use_ext = 1;
+ if (test_hash_readwrite_functional(use_ext, use_htm) < 0)
+ return -1;
+
reader_faster = 1;
if (test_hash_readwrite_perf(&non_htm_results, use_htm,
reader_faster) < 0)
--
2.7.4
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