From 7595afa4d30097c1177b69257118d8ad89a539be Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Tue, 16 May 2017 14:51:32 +0200 Subject: Imported Upstream version 17.05 Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6 Signed-off-by: Christian Ehrhardt --- app/test/test_hash_scaling.c | 220 ------------------------------------------- 1 file changed, 220 deletions(-) delete mode 100644 app/test/test_hash_scaling.c (limited to 'app/test/test_hash_scaling.c') diff --git a/app/test/test_hash_scaling.c b/app/test/test_hash_scaling.c deleted file mode 100644 index 46c48e54..00000000 --- a/app/test/test_hash_scaling.c +++ /dev/null @@ -1,220 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2015 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include - -#include -#include -#include -#include -#include - -#include "test.h" - -/* - * Check condition and return an error if true. Assumes that "handle" is the - * name of the hash structure pointer to be freed. - */ -#define RETURN_IF_ERROR(cond, str, ...) do { \ - if (cond) { \ - printf("ERROR line %d: " str "\n", __LINE__, \ - ##__VA_ARGS__); \ - if (handle) \ - rte_hash_free(handle); \ - return -1; \ - } \ -} while (0) - -enum locking_mode_t { - NORMAL_LOCK, - LOCK_ELISION, - NULL_LOCK -}; - -struct { - uint32_t num_iterations; - struct rte_hash *h; - rte_spinlock_t *lock; - int locking_mode; -} tbl_scaling_test_params; - -static rte_atomic64_t gcycles; - -static int test_hash_scaling_worker(__attribute__((unused)) void *arg) -{ - uint64_t i, key; - uint32_t thr_id = rte_sys_gettid(); - uint64_t begin, cycles = 0; - - switch (tbl_scaling_test_params.locking_mode) { - - case NORMAL_LOCK: - - for (i = 0; i < tbl_scaling_test_params.num_iterations; i++) { - /* different threads get different keys because - we use the thread-id in the key computation - */ - key = rte_hash_crc(&i, sizeof(i), thr_id); - begin = rte_rdtsc_precise(); - rte_spinlock_lock(tbl_scaling_test_params.lock); - rte_hash_add_key(tbl_scaling_test_params.h, &key); - rte_spinlock_unlock(tbl_scaling_test_params.lock); - cycles += rte_rdtsc_precise() - begin; - } - break; - - case LOCK_ELISION: - - for (i = 0; i < tbl_scaling_test_params.num_iterations; i++) { - key = rte_hash_crc(&i, sizeof(i), thr_id); - begin = rte_rdtsc_precise(); - rte_spinlock_lock_tm(tbl_scaling_test_params.lock); - rte_hash_add_key(tbl_scaling_test_params.h, &key); - rte_spinlock_unlock_tm(tbl_scaling_test_params.lock); - cycles += rte_rdtsc_precise() - begin; - } - break; - - default: - - for (i = 0; i < tbl_scaling_test_params.num_iterations; i++) { - key = rte_hash_crc(&i, sizeof(i), thr_id); - begin = rte_rdtsc_precise(); - rte_hash_add_key(tbl_scaling_test_params.h, &key); - cycles += rte_rdtsc_precise() - begin; - } - } - - rte_atomic64_add(&gcycles, cycles); - - return 0; -} - -/* - * Do scalability perf tests. - */ -static int -test_hash_scaling(int locking_mode) -{ - static unsigned calledCount = 1; - uint32_t num_iterations = 1024*1024; - uint64_t i, key; - struct rte_hash_parameters hash_params = { - .entries = num_iterations*2, - .key_len = sizeof(key), - .hash_func = rte_hash_crc, - .hash_func_init_val = 0, - .socket_id = rte_socket_id(), - .extra_flag = RTE_HASH_EXTRA_FLAGS_TRANS_MEM_SUPPORT - }; - struct rte_hash *handle; - char name[RTE_HASH_NAMESIZE]; - rte_spinlock_t lock; - - rte_spinlock_init(&lock); - - snprintf(name, 32, "test%u", calledCount++); - hash_params.name = name; - - handle = rte_hash_create(&hash_params); - RETURN_IF_ERROR(handle == NULL, "hash creation failed"); - - tbl_scaling_test_params.num_iterations = - num_iterations/rte_lcore_count(); - tbl_scaling_test_params.h = handle; - tbl_scaling_test_params.lock = &lock; - tbl_scaling_test_params.locking_mode = locking_mode; - - rte_atomic64_init(&gcycles); - rte_atomic64_clear(&gcycles); - - /* fill up to initial size */ - for (i = 0; i < num_iterations; i++) { - key = rte_hash_crc(&i, sizeof(i), 0xabcdabcd); - rte_hash_add_key(tbl_scaling_test_params.h, &key); - } - - rte_eal_mp_remote_launch(test_hash_scaling_worker, NULL, CALL_MASTER); - rte_eal_mp_wait_lcore(); - - unsigned long long int cycles_per_operation = - rte_atomic64_read(&gcycles)/ - (tbl_scaling_test_params.num_iterations*rte_lcore_count()); - const char *lock_name; - - switch (locking_mode) { - case NORMAL_LOCK: - lock_name = "normal spinlock"; - break; - case LOCK_ELISION: - lock_name = "lock elision"; - break; - default: - lock_name = "null lock"; - } - printf("--------------------------------------------------------\n"); - printf("Cores: %d; %s mode -> cycles per operation: %llu\n", - rte_lcore_count(), lock_name, cycles_per_operation); - printf("--------------------------------------------------------\n"); - /* CSV output */ - printf(">>>%d,%s,%llu\n", rte_lcore_count(), lock_name, - cycles_per_operation); - - rte_hash_free(handle); - return 0; -} - -static int -test_hash_scaling_main(void) -{ - int r = 0; - - if (rte_lcore_count() == 1) - r = test_hash_scaling(NULL_LOCK); - - if (r == 0) - r = test_hash_scaling(NORMAL_LOCK); - - if (!rte_tm_supported()) { - printf("Hardware transactional memory (lock elision) is NOT supported\n"); - return r; - } - printf("Hardware transactional memory (lock elision) is supported\n"); - - if (r == 0) - r = test_hash_scaling(LOCK_ELISION); - - return r; -} - -REGISTER_TEST_COMMAND(hash_scaling_autotest, test_hash_scaling_main); -- cgit 1.2.3-korg