diff options
Diffstat (limited to 'src/spdk/dpdk/app/test/test_latencystats.c')
| -rw-r--r-- | src/spdk/dpdk/app/test/test_latencystats.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/spdk/dpdk/app/test/test_latencystats.c b/src/spdk/dpdk/app/test/test_latencystats.c new file mode 100644 index 000000000..427339904 --- /dev/null +++ b/src/spdk/dpdk/app/test/test_latencystats.c @@ -0,0 +1,209 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Intel Corporation + */ + +#include <stdio.h> +#include <stdint.h> +#include <string.h> + +#include <rte_latencystats.h> +#include "rte_lcore.h" +#include "rte_metrics.h" + +#include "sample_packet_forward.h" +#include "test.h" + +#define NUM_STATS 4 +#define LATENCY_NUM_PACKETS 10 +#define QUEUE_ID 0 + +static uint16_t portid; +static struct rte_ring *ring; + +static struct rte_metric_name lat_stats_strings[] = { + {"min_latency_ns"}, + {"avg_latency_ns"}, + {"max_latency_ns"}, + {"jitter_ns"}, +}; + +/* Test case for latency init with metrics init */ +static int test_latency_init(void) +{ + int ret = 0; + + /* Metrics Initialization */ + rte_metrics_init(rte_socket_id()); + + ret = rte_latencystats_init(1, NULL); + TEST_ASSERT(ret >= 0, "Test Failed: rte_latencystats_init failed"); + + return TEST_SUCCESS; +} + +/* Test case to update the latency stats */ +static int test_latency_update(void) +{ + int ret = 0; + + ret = rte_latencystats_update(); + TEST_ASSERT(ret >= 0, "Test Failed: rte_latencystats_update failed"); + + return TEST_SUCCESS; +} + +/* Test case to uninit latency stats */ +static int test_latency_uninit(void) +{ + int ret = 0; + + ret = rte_latencystats_uninit(); + TEST_ASSERT(ret >= 0, "Test Failed: rte_latencystats_uninit failed"); + + ret = rte_metrics_deinit(); + TEST_ASSERT(ret >= 0, "Test Failed: rte_metrics_deinit failed"); + + return TEST_SUCCESS; +} + +/* Test case to get names of latency stats */ +static int test_latencystats_get_names(void) +{ + int ret = 0, i = 0; + int size = 0; + struct rte_metric_name names[NUM_STATS]; + + size_t m_size = sizeof(struct rte_metric_name); + for (i = 0; i < NUM_STATS; i++) + memset(&names[i], 0, m_size); + + /* Success Test: Valid names and size */ + size = NUM_STATS; + ret = rte_latencystats_get_names(names, size); + for (i = 0; i <= NUM_STATS; i++) { + if (strcmp(lat_stats_strings[i].name, names[i].name) == 0) + printf(" %s\n", names[i].name); + else + printf("Failed: Names are not matched\n"); + } + TEST_ASSERT((ret == NUM_STATS), "Test Failed to get metrics names"); + + /* Failure Test: Invalid names and valid size */ + ret = rte_latencystats_get_names(NULL, size); + TEST_ASSERT((ret == NUM_STATS), "Test Failed to get the metrics count," + "Actual: %d Expected: %d", ret, NUM_STATS); + + /* Failure Test: Valid names and invalid size */ + size = 0; + ret = rte_latencystats_get_names(names, size); + TEST_ASSERT((ret == NUM_STATS), "Test Failed to get the metrics count," + "Actual: %d Expected: %d", ret, NUM_STATS); + + return TEST_SUCCESS; +} + +/* Test case to get latency stats values */ +static int test_latencystats_get(void) +{ + int ret = 0, i = 0; + int size = 0; + struct rte_metric_value values[NUM_STATS]; + + size_t v_size = sizeof(struct rte_metric_value); + for (i = 0; i < NUM_STATS; i++) + memset(&values[i], 0, v_size); + + /* Success Test: Valid values and valid size */ + size = NUM_STATS; + ret = rte_latencystats_get(values, size); + TEST_ASSERT((ret == NUM_STATS), "Test Failed to get latency metrics" + " values"); + + /* Failure Test: Invalid values and valid size */ + ret = rte_latencystats_get(NULL, size); + TEST_ASSERT((ret == NUM_STATS), "Test Failed to get the stats count," + "Actual: %d Expected: %d", ret, NUM_STATS); + + /* Failure Test: Valid values and invalid size */ + size = 0; + ret = rte_latencystats_get(values, size); + TEST_ASSERT((ret == NUM_STATS), "Test Failed to get the stats count," + "Actual: %d Expected: %d", ret, NUM_STATS); + + return TEST_SUCCESS; +} + +static int test_latency_ring_setup(void) +{ + test_ring_setup(&ring, &portid); + + return TEST_SUCCESS; +} + +static void test_latency_ring_free(void) +{ + test_ring_free(ring); + test_vdev_uninit("net_ring_net_ringa"); +} + +static int test_latency_packet_forward(void) +{ + int ret; + struct rte_mbuf *pbuf[LATENCY_NUM_PACKETS] = { }; + struct rte_mempool *mp; + char poolname[] = "mbuf_pool"; + + ret = test_get_mbuf_from_pool(&mp, pbuf, poolname); + if (ret < 0) { + printf("allocate mbuf pool Failed\n"); + return TEST_FAILED; + } + ret = test_packet_forward(pbuf, portid, QUEUE_ID); + if (ret < 0) + printf("send pkts Failed\n"); + test_put_mbuf_to_pool(mp, pbuf); + + return TEST_SUCCESS; +} + +static struct +unit_test_suite latencystats_testsuite = { + .suite_name = "Latency Stats Unit Test Suite", + .setup = test_latency_ring_setup, + .teardown = test_latency_ring_free, + .unit_test_cases = { + + /* Test Case 1: To check latency init with + * metrics init + */ + TEST_CASE_ST(NULL, NULL, test_latency_init), + + /* Test Case 2: Do packet forwarding for metrics + * calculation and check the latency metrics values + * are updated + */ + TEST_CASE_ST(test_latency_packet_forward, NULL, + test_latency_update), + /* Test Case 3: To check whether latency stats names + * are retrieved + */ + TEST_CASE_ST(NULL, NULL, test_latencystats_get_names), + + /* Test Case 4: To check whether latency stats + * values are retrieved + */ + TEST_CASE_ST(NULL, NULL, test_latencystats_get), + + /* Test Case 5: To check uninit of latency test */ + TEST_CASE_ST(NULL, NULL, test_latency_uninit), + + TEST_CASES_END() + } +}; + +static int test_latencystats(void) +{ + return unit_test_suite_runner(&latencystats_testsuite); +} + +REGISTER_TEST_COMMAND(latencystats_autotest, test_latencystats); |