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-rw-r--r--src/seastar/dpdk/app/test/test_member_perf.c625
1 files changed, 625 insertions, 0 deletions
diff --git a/src/seastar/dpdk/app/test/test_member_perf.c b/src/seastar/dpdk/app/test/test_member_perf.c
new file mode 100644
index 000000000..564a2b3c1
--- /dev/null
+++ b/src/seastar/dpdk/app/test/test_member_perf.c
@@ -0,0 +1,625 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Intel Corporation
+ */
+
+#include <stdio.h>
+#include <inttypes.h>
+
+#include <rte_lcore.h>
+#include <rte_cycles.h>
+#include <rte_malloc.h>
+#include <rte_random.h>
+#include <rte_memcpy.h>
+#include <rte_thash.h>
+#include <rte_member.h>
+
+#include "test.h"
+
+#define NUM_KEYSIZES 10
+#define NUM_SHUFFLES 10
+#define MAX_KEYSIZE 64
+#define MAX_ENTRIES (1 << 19)
+#define KEYS_TO_ADD (MAX_ENTRIES * 75 / 100) /* 75% table utilization */
+#define NUM_LOOKUPS (KEYS_TO_ADD * 5) /* Loop among keys added, several times */
+#define VBF_SET_CNT 16
+#define BURST_SIZE 64
+#define VBF_FALSE_RATE 0.03
+
+static unsigned int test_socket_id;
+
+enum sstype {
+ HT = 0,
+ CACHE,
+ VBF,
+ NUM_TYPE
+};
+
+enum operations {
+ ADD = 0,
+ LOOKUP,
+ LOOKUP_BULK,
+ LOOKUP_MULTI,
+ LOOKUP_MULTI_BULK,
+ DELETE,
+ LOOKUP_MISS,
+ NUM_OPERATIONS
+};
+
+struct member_perf_params {
+ struct rte_member_setsum *setsum[NUM_TYPE];
+ uint32_t key_size;
+ unsigned int cycle;
+};
+
+static uint32_t hashtest_key_lens[] = {
+ /* standard key sizes */
+ 4, 8, 16, 32, 48, 64,
+ /* IPv4 SRC + DST + protocol, unpadded */
+ 9,
+ /* IPv4 5-tuple, unpadded */
+ 13,
+ /* IPv6 5-tuple, unpadded */
+ 37,
+ /* IPv6 5-tuple, padded to 8-byte boundary */
+ 40
+};
+
+/* Array to store number of cycles per operation */
+uint64_t cycles[NUM_TYPE][NUM_KEYSIZES][NUM_OPERATIONS];
+uint64_t false_data[NUM_TYPE][NUM_KEYSIZES];
+uint64_t false_data_bulk[NUM_TYPE][NUM_KEYSIZES];
+uint64_t false_data_multi[NUM_TYPE][NUM_KEYSIZES];
+uint64_t false_data_multi_bulk[NUM_TYPE][NUM_KEYSIZES];
+
+uint64_t false_hit[NUM_TYPE][NUM_KEYSIZES];
+
+member_set_t data[NUM_TYPE][/* Array to store the data */KEYS_TO_ADD];
+
+/* Array to store all input keys */
+uint8_t keys[KEYS_TO_ADD][MAX_KEYSIZE];
+
+/* Shuffle the keys that have been added, so lookups will be totally random */
+static void
+shuffle_input_keys(struct member_perf_params *params)
+{
+ member_set_t temp_data;
+ unsigned int i, j;
+ uint32_t swap_idx;
+ uint8_t temp_key[MAX_KEYSIZE];
+
+ for (i = KEYS_TO_ADD - 1; i > 0; i--) {
+ swap_idx = rte_rand() % i;
+ memcpy(temp_key, keys[i], hashtest_key_lens[params->cycle]);
+ memcpy(keys[i], keys[swap_idx],
+ hashtest_key_lens[params->cycle]);
+ memcpy(keys[swap_idx], temp_key,
+ hashtest_key_lens[params->cycle]);
+ for (j = 0; j < NUM_TYPE; j++) {
+ temp_data = data[j][i];
+ data[j][i] = data[j][swap_idx];
+ data[j][swap_idx] = temp_data;
+ }
+ }
+}
+
+static int key_compare(const void *key1, const void *key2)
+{
+ return memcmp(key1, key2, MAX_KEYSIZE);
+}
+
+struct rte_member_parameters member_params = {
+ .num_keys = MAX_ENTRIES, /* Total hash table entries. */
+ .key_len = 4, /* Length of hash key. */
+
+ /* num_set and false_positive_rate only relevant to vBF */
+ .num_set = VBF_SET_CNT,
+ .false_positive_rate = 0.03,
+ .prim_hash_seed = 0,
+ .sec_hash_seed = 1,
+ .socket_id = 0, /* NUMA Socket ID for memory. */
+ };
+
+static int
+setup_keys_and_data(struct member_perf_params *params, unsigned int cycle,
+ int miss)
+{
+ unsigned int i, j;
+ int num_duplicates;
+
+ params->key_size = hashtest_key_lens[cycle];
+ params->cycle = cycle;
+
+ /* Reset all arrays */
+ for (i = 0; i < params->key_size; i++)
+ keys[0][i] = 0;
+
+ /* Generate a list of keys, some of which may be duplicates */
+ for (i = 0; i < KEYS_TO_ADD; i++) {
+ for (j = 0; j < params->key_size; j++)
+ keys[i][j] = rte_rand() & 0xFF;
+
+ data[HT][i] = data[CACHE][i] = (rte_rand() & 0x7FFE) + 1;
+ data[VBF][i] = rte_rand() % VBF_SET_CNT + 1;
+ }
+
+ /* Remove duplicates from the keys array */
+ do {
+ num_duplicates = 0;
+
+ /* Sort the list of keys to make it easier to find duplicates */
+ qsort(keys, KEYS_TO_ADD, MAX_KEYSIZE, key_compare);
+
+ /* Sift through the list of keys and look for duplicates */
+ int num_duplicates = 0;
+ for (i = 0; i < KEYS_TO_ADD - 1; i++) {
+ if (memcmp(keys[i], keys[i + 1],
+ params->key_size) == 0) {
+ /* This key already exists, try again */
+ num_duplicates++;
+ for (j = 0; j < params->key_size; j++)
+ keys[i][j] = rte_rand() & 0xFF;
+ }
+ }
+ } while (num_duplicates != 0);
+
+ /* Shuffle the random values again */
+ shuffle_input_keys(params);
+
+ /* For testing miss lookup, we insert half and lookup the other half */
+ unsigned int entry_cnt, bf_key_cnt;
+ if (!miss) {
+ entry_cnt = MAX_ENTRIES;
+ bf_key_cnt = KEYS_TO_ADD;
+ } else {
+ entry_cnt = MAX_ENTRIES / 2;
+ bf_key_cnt = KEYS_TO_ADD / 2;
+ }
+ member_params.false_positive_rate = VBF_FALSE_RATE;
+ member_params.key_len = params->key_size;
+ member_params.socket_id = test_socket_id;
+ member_params.num_keys = entry_cnt;
+ member_params.name = "test_member_ht";
+ member_params.is_cache = 0;
+ member_params.type = RTE_MEMBER_TYPE_HT;
+ params->setsum[HT] = rte_member_create(&member_params);
+ if (params->setsum[HT] == NULL)
+ fprintf(stderr, "ht create fail\n");
+
+ member_params.name = "test_member_cache";
+ member_params.is_cache = 1;
+ params->setsum[CACHE] = rte_member_create(&member_params);
+ if (params->setsum[CACHE] == NULL)
+ fprintf(stderr, "CACHE create fail\n");
+
+ member_params.name = "test_member_vbf";
+ member_params.type = RTE_MEMBER_TYPE_VBF;
+ member_params.num_keys = bf_key_cnt;
+ params->setsum[VBF] = rte_member_create(&member_params);
+ if (params->setsum[VBF] == NULL)
+ fprintf(stderr, "VBF create fail\n");
+ for (i = 0; i < NUM_TYPE; i++) {
+ if (params->setsum[i] == NULL)
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+timed_adds(struct member_perf_params *params, int type)
+{
+ const uint64_t start_tsc = rte_rdtsc();
+ unsigned int i, a;
+ int32_t ret;
+
+ for (i = 0; i < KEYS_TO_ADD; i++) {
+ ret = rte_member_add(params->setsum[type], &keys[i],
+ data[type][i]);
+ if (ret < 0) {
+ printf("Error %d in rte_member_add - key=0x", ret);
+ for (a = 0; a < params->key_size; a++)
+ printf("%02x", keys[i][a]);
+ printf(" value=%d, type: %d\n", data[type][i], type);
+
+ return -1;
+ }
+ }
+
+ const uint64_t end_tsc = rte_rdtsc();
+ const uint64_t time_taken = end_tsc - start_tsc;
+
+ cycles[type][params->cycle][ADD] = time_taken / KEYS_TO_ADD;
+ return 0;
+}
+
+static int
+timed_lookups(struct member_perf_params *params, int type)
+{
+ unsigned int i, j;
+
+ false_data[type][params->cycle] = 0;
+
+ const uint64_t start_tsc = rte_rdtsc();
+ member_set_t result;
+ int ret;
+
+ for (i = 0; i < NUM_LOOKUPS / KEYS_TO_ADD; i++) {
+ for (j = 0; j < KEYS_TO_ADD; j++) {
+ ret = rte_member_lookup(params->setsum[type], &keys[j],
+ &result);
+ if (ret < 0) {
+ printf("lookup wrong internally");
+ return -1;
+ }
+ if (type == HT && result == RTE_MEMBER_NO_MATCH) {
+ printf("HT mode shouldn't have false negative");
+ return -1;
+ }
+ if (result != data[type][j])
+ false_data[type][params->cycle]++;
+ }
+ }
+
+ const uint64_t end_tsc = rte_rdtsc();
+ const uint64_t time_taken = end_tsc - start_tsc;
+
+ cycles[type][params->cycle][LOOKUP] = time_taken / NUM_LOOKUPS;
+
+ return 0;
+}
+
+static int
+timed_lookups_bulk(struct member_perf_params *params, int type)
+{
+ unsigned int i, j, k;
+ member_set_t result[BURST_SIZE] = {0};
+ const void *keys_burst[BURST_SIZE];
+ int ret;
+
+ false_data_bulk[type][params->cycle] = 0;
+
+ const uint64_t start_tsc = rte_rdtsc();
+
+ for (i = 0; i < NUM_LOOKUPS / KEYS_TO_ADD; i++) {
+ for (j = 0; j < KEYS_TO_ADD / BURST_SIZE; j++) {
+ for (k = 0; k < BURST_SIZE; k++)
+ keys_burst[k] = keys[j * BURST_SIZE + k];
+
+ ret = rte_member_lookup_bulk(params->setsum[type],
+ keys_burst,
+ BURST_SIZE,
+ result);
+ if (ret <= 0) {
+ printf("lookup bulk has wrong return value\n");
+ return -1;
+ }
+ for (k = 0; k < BURST_SIZE; k++) {
+ uint32_t data_idx = j * BURST_SIZE + k;
+ if (type == HT && result[k] ==
+ RTE_MEMBER_NO_MATCH) {
+ printf("HT mode shouldn't have "
+ "false negative");
+ return -1;
+ }
+ if (result[k] != data[type][data_idx])
+ false_data_bulk[type][params->cycle]++;
+ }
+ }
+ }
+
+ const uint64_t end_tsc = rte_rdtsc();
+ const uint64_t time_taken = end_tsc - start_tsc;
+
+ cycles[type][params->cycle][LOOKUP_BULK] = time_taken / NUM_LOOKUPS;
+
+ return 0;
+}
+
+static int
+timed_lookups_multimatch(struct member_perf_params *params, int type)
+{
+ unsigned int i, j;
+ member_set_t result[RTE_MEMBER_BUCKET_ENTRIES] = {0};
+ int ret;
+ false_data_multi[type][params->cycle] = 0;
+
+ const uint64_t start_tsc = rte_rdtsc();
+
+ for (i = 0; i < NUM_LOOKUPS / KEYS_TO_ADD; i++) {
+ for (j = 0; j < KEYS_TO_ADD; j++) {
+ ret = rte_member_lookup_multi(params->setsum[type],
+ &keys[j], RTE_MEMBER_BUCKET_ENTRIES, result);
+ if (type != CACHE && ret <= 0) {
+ printf("lookup multi has wrong return value %d,"
+ "type %d\n", ret, type);
+ }
+ if (type == HT && ret == 0) {
+ printf("HT mode shouldn't have false negative");
+ return -1;
+ }
+ /*
+ * For performance test purpose, we do not iterate all
+ * results here. We assume most likely each key can only
+ * find one match which is result[0].
+ */
+ if (result[0] != data[type][j])
+ false_data_multi[type][params->cycle]++;
+ }
+ }
+
+ const uint64_t end_tsc = rte_rdtsc();
+ const uint64_t time_taken = end_tsc - start_tsc;
+
+ cycles[type][params->cycle][LOOKUP_MULTI] = time_taken / NUM_LOOKUPS;
+
+ return 0;
+}
+
+static int
+timed_lookups_multimatch_bulk(struct member_perf_params *params, int type)
+{
+ unsigned int i, j, k;
+ member_set_t result[BURST_SIZE][RTE_MEMBER_BUCKET_ENTRIES] = {{0} };
+ const void *keys_burst[BURST_SIZE];
+ uint32_t match_count[BURST_SIZE];
+ int ret;
+
+ false_data_multi_bulk[type][params->cycle] = 0;
+
+ const uint64_t start_tsc = rte_rdtsc();
+
+ for (i = 0; i < NUM_LOOKUPS / KEYS_TO_ADD; i++) {
+ for (j = 0; j < KEYS_TO_ADD / BURST_SIZE; j++) {
+ for (k = 0; k < BURST_SIZE; k++)
+ keys_burst[k] = keys[j * BURST_SIZE + k];
+
+ ret = rte_member_lookup_multi_bulk(
+ params->setsum[type],
+ keys_burst, BURST_SIZE,
+ RTE_MEMBER_BUCKET_ENTRIES, match_count,
+ (member_set_t *)result);
+ if (ret < 0) {
+ printf("lookup multimatch bulk has wrong return"
+ " value\n");
+ return -1;
+ }
+ for (k = 0; k < BURST_SIZE; k++) {
+ if (type != CACHE && match_count[k] == 0) {
+ printf("lookup multimatch bulk get "
+ "wrong match count\n");
+ return -1;
+ }
+ if (type == HT && match_count[k] == 0) {
+ printf("HT mode shouldn't have "
+ "false negative");
+ return -1;
+ }
+ uint32_t data_idx = j * BURST_SIZE + k;
+ if (result[k][0] != data[type][data_idx])
+ false_data_multi_bulk[type][params->cycle]++;
+ }
+ }
+ }
+
+ const uint64_t end_tsc = rte_rdtsc();
+ const uint64_t time_taken = end_tsc - start_tsc;
+
+ cycles[type][params->cycle][LOOKUP_MULTI_BULK] = time_taken /
+ NUM_LOOKUPS;
+
+ return 0;
+}
+
+static int
+timed_deletes(struct member_perf_params *params, int type)
+{
+ unsigned int i;
+ int32_t ret;
+
+ if (type == VBF)
+ return 0;
+ const uint64_t start_tsc = rte_rdtsc();
+ for (i = 0; i < KEYS_TO_ADD; i++) {
+ ret = rte_member_delete(params->setsum[type], &keys[i],
+ data[type][i]);
+ if (type != CACHE && ret < 0) {
+ printf("delete error\n");
+ return -1;
+ }
+ }
+
+ const uint64_t end_tsc = rte_rdtsc();
+ const uint64_t time_taken = end_tsc - start_tsc;
+
+ cycles[type][params->cycle][DELETE] = time_taken / KEYS_TO_ADD;
+
+ return 0;
+}
+
+static int
+timed_miss_lookup(struct member_perf_params *params, int type)
+{
+ unsigned int i, j;
+ int ret;
+
+ false_hit[type][params->cycle] = 0;
+
+ for (i = 0; i < KEYS_TO_ADD / 2; i++) {
+ ret = rte_member_add(params->setsum[type], &keys[i],
+ data[type][i]);
+ if (ret < 0) {
+ unsigned int a;
+ printf("Error %d in rte_member_add - key=0x", ret);
+ for (a = 0; a < params->key_size; a++)
+ printf("%02x", keys[i][a]);
+ printf(" value=%d, type: %d\n", data[type][i], type);
+
+ return -1;
+ }
+ }
+
+ const uint64_t start_tsc = rte_rdtsc();
+ member_set_t result;
+
+ for (i = 0; i < 2 * NUM_LOOKUPS / KEYS_TO_ADD; i++) {
+ for (j = KEYS_TO_ADD / 2; j < KEYS_TO_ADD; j++) {
+ ret = rte_member_lookup(params->setsum[type], &keys[j],
+ &result);
+ if (ret < 0) {
+ printf("lookup wrong internally");
+ return -1;
+ }
+ if (result != RTE_MEMBER_NO_MATCH)
+ false_hit[type][params->cycle]++;
+ }
+ }
+
+ const uint64_t end_tsc = rte_rdtsc();
+ const uint64_t time_taken = end_tsc - start_tsc;
+
+ cycles[type][params->cycle][LOOKUP_MISS] = time_taken / NUM_LOOKUPS;
+
+ return 0;
+}
+
+static void
+perform_frees(struct member_perf_params *params)
+{
+ int i;
+ for (i = 0; i < NUM_TYPE; i++) {
+ if (params->setsum[i] != NULL) {
+ rte_member_free(params->setsum[i]);
+ params->setsum[i] = NULL;
+ }
+ }
+}
+
+static int
+exit_with_fail(const char *testname, struct member_perf_params *params,
+ unsigned int i, unsigned int j)
+{
+ printf("<<<<<Test %s failed at keysize %d iteration %d type %d>>>>>\n",
+ testname, hashtest_key_lens[params->cycle], i, j);
+ perform_frees(params);
+ return -1;
+}
+
+static int
+run_all_tbl_perf_tests(void)
+{
+ unsigned int i, j, k;
+ struct member_perf_params params;
+
+ printf("Measuring performance, please wait\n");
+ fflush(stdout);
+
+ test_socket_id = rte_socket_id();
+
+ for (i = 0; i < NUM_KEYSIZES; i++) {
+ if (setup_keys_and_data(&params, i, 0) < 0) {
+ printf("Could not create keys/data/table\n");
+ return -1;
+ }
+ for (j = 0; j < NUM_TYPE; j++) {
+
+ if (timed_adds(&params, j) < 0)
+ return exit_with_fail("timed_adds", &params,
+ i, j);
+
+ for (k = 0; k < NUM_SHUFFLES; k++)
+ shuffle_input_keys(&params);
+
+ if (timed_lookups(&params, j) < 0)
+ return exit_with_fail("timed_lookups", &params,
+ i, j);
+
+ if (timed_lookups_bulk(&params, j) < 0)
+ return exit_with_fail("timed_lookups_bulk",
+ &params, i, j);
+
+ if (timed_lookups_multimatch(&params, j) < 0)
+ return exit_with_fail("timed_lookups_multi",
+ &params, i, j);
+
+ if (timed_lookups_multimatch_bulk(&params, j) < 0)
+ return exit_with_fail("timed_lookups_multi_bulk",
+ &params, i, j);
+
+ if (timed_deletes(&params, j) < 0)
+ return exit_with_fail("timed_deletes", &params,
+ i, j);
+
+ /* Print a dot to show progress on operations */
+ }
+ printf(".");
+ fflush(stdout);
+
+ perform_frees(&params);
+ }
+
+ /* Test false positive rate using un-inserted keys */
+ for (i = 0; i < NUM_KEYSIZES; i++) {
+ if (setup_keys_and_data(&params, i, 1) < 0) {
+ printf("Could not create keys/data/table\n");
+ return -1;
+ }
+ for (j = 0; j < NUM_TYPE; j++) {
+ if (timed_miss_lookup(&params, j) < 0)
+ return exit_with_fail("timed_miss_lookup",
+ &params, i, j);
+ }
+ perform_frees(&params);
+ }
+
+ printf("\nResults (in CPU cycles/operation)\n");
+ printf("-----------------------------------\n");
+ printf("\n%-18s%-18s%-18s%-18s%-18s%-18s%-18s%-18s%-18s\n",
+ "Keysize", "type", "Add", "Lookup", "Lookup_bulk",
+ "lookup_multi", "lookup_multi_bulk", "Delete",
+ "miss_lookup");
+ for (i = 0; i < NUM_KEYSIZES; i++) {
+ for (j = 0; j < NUM_TYPE; j++) {
+ printf("%-18d", hashtest_key_lens[i]);
+ printf("%-18d", j);
+ for (k = 0; k < NUM_OPERATIONS; k++)
+ printf("%-18"PRIu64, cycles[j][i][k]);
+ printf("\n");
+ }
+ }
+
+ printf("\nFalse results rate (and false positive rate)\n");
+ printf("-----------------------------------\n");
+ printf("\n%-18s%-18s%-18s%-18s%-18s%-18s%-18s\n",
+ "Keysize", "type", "fr_single", "fr_bulk", "fr_multi",
+ "fr_multi_bulk", "false_positive_rate");
+ /* Key size not influence False rate so just print out one key size */
+ for (i = 0; i < 1; i++) {
+ for (j = 0; j < NUM_TYPE; j++) {
+ printf("%-18d", hashtest_key_lens[i]);
+ printf("%-18d", j);
+ printf("%-18f", (float)false_data[j][i] / NUM_LOOKUPS);
+ printf("%-18f", (float)false_data_bulk[j][i] /
+ NUM_LOOKUPS);
+ printf("%-18f", (float)false_data_multi[j][i] /
+ NUM_LOOKUPS);
+ printf("%-18f", (float)false_data_multi_bulk[j][i] /
+ NUM_LOOKUPS);
+ printf("%-18f", (float)false_hit[j][i] /
+ NUM_LOOKUPS);
+ printf("\n");
+ }
+ }
+ return 0;
+}
+
+static int
+test_member_perf(void)
+{
+
+ if (run_all_tbl_perf_tests() < 0)
+ return -1;
+
+ return 0;
+}
+
+REGISTER_TEST_COMMAND(member_perf_autotest, test_member_perf);
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