Imported Upstream version 17.05

Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

1 files changed, 0 insertions, 354 deletions

diff --git a/app/test/test_memcpy_perf.c b/app/test/test_memcpy_perf.c
deleted file mode 100644
index ff3aaaac..00000000
--- a/app/test/test_memcpy_perf.c
+++ /dev/null
@@ -1,354 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 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 <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-#include <rte_common.h>
-#include <rte_cycles.h>
-#include <rte_random.h>
-#include <rte_malloc.h>
-
-#include <rte_memcpy.h>
-
-#include "test.h"
-
-/*
- * Set this to the maximum buffer size you want to test. If it is 0, then the
- * values in the buf_sizes[] array below will be used.
- */
-#define TEST_VALUE_RANGE        0
-
-/* List of buffer sizes to test */
-#if TEST_VALUE_RANGE == 0
-static size_t buf_sizes[] = {
-	1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15, 16, 17, 31, 32, 33, 63, 64, 65, 127, 128,
-	129, 191, 192, 193, 255, 256, 257, 319, 320, 321, 383, 384, 385, 447, 448,
-	449, 511, 512, 513, 767, 768, 769, 1023, 1024, 1025, 1518, 1522, 1536, 1600,
-	2048, 2560, 3072, 3584, 4096, 4608, 5120, 5632, 6144, 6656, 7168, 7680, 8192
-};
-/* MUST be as large as largest packet size above */
-#define SMALL_BUFFER_SIZE       8192
-#else /* TEST_VALUE_RANGE != 0 */
-static size_t buf_sizes[TEST_VALUE_RANGE];
-#define SMALL_BUFFER_SIZE       TEST_VALUE_RANGE
-#endif /* TEST_VALUE_RANGE == 0 */
-
-
-/*
- * Arrays of this size are used for measuring uncached memory accesses by
- * picking a random location within the buffer. Make this smaller if there are
- * memory allocation errors.
- */
-#define LARGE_BUFFER_SIZE       (100 * 1024 * 1024)
-
-/* How many times to run timing loop for performance tests */
-#define TEST_ITERATIONS         1000000
-#define TEST_BATCH_SIZE         100
-
-/* Data is aligned on this many bytes (power of 2) */
-#ifdef RTE_MACHINE_CPUFLAG_AVX512F
-#define ALIGNMENT_UNIT          64
-#elif defined RTE_MACHINE_CPUFLAG_AVX2
-#define ALIGNMENT_UNIT          32
-#else /* RTE_MACHINE_CPUFLAG */
-#define ALIGNMENT_UNIT          16
-#endif /* RTE_MACHINE_CPUFLAG */
-
-/*
- * Pointers used in performance tests. The two large buffers are for uncached
- * access where random addresses within the buffer are used for each
- * memcpy. The two small buffers are for cached access.
- */
-static uint8_t *large_buf_read, *large_buf_write;
-static uint8_t *small_buf_read, *small_buf_write;
-
-/* Initialise data buffers. */
-static int
-init_buffers(void)
-{
-	unsigned i;
-
-	large_buf_read = rte_malloc("memcpy", LARGE_BUFFER_SIZE + ALIGNMENT_UNIT, ALIGNMENT_UNIT);
-	if (large_buf_read == NULL)
-		goto error_large_buf_read;
-
-	large_buf_write = rte_malloc("memcpy", LARGE_BUFFER_SIZE + ALIGNMENT_UNIT, ALIGNMENT_UNIT);
-	if (large_buf_write == NULL)
-		goto error_large_buf_write;
-
-	small_buf_read = rte_malloc("memcpy", SMALL_BUFFER_SIZE + ALIGNMENT_UNIT, ALIGNMENT_UNIT);
-	if (small_buf_read == NULL)
-		goto error_small_buf_read;
-
-	small_buf_write = rte_malloc("memcpy", SMALL_BUFFER_SIZE + ALIGNMENT_UNIT, ALIGNMENT_UNIT);
-	if (small_buf_write == NULL)
-		goto error_small_buf_write;
-
-	for (i = 0; i < LARGE_BUFFER_SIZE; i++)
-		large_buf_read[i] = rte_rand();
-	for (i = 0; i < SMALL_BUFFER_SIZE; i++)
-		small_buf_read[i] = rte_rand();
-
-	return 0;
-
-error_small_buf_write:
-	rte_free(small_buf_read);
-error_small_buf_read:
-	rte_free(large_buf_write);
-error_large_buf_write:
-	rte_free(large_buf_read);
-error_large_buf_read:
-	printf("ERROR: not enough memory\n");
-	return -1;
-}
-
-/* Cleanup data buffers */
-static void
-free_buffers(void)
-{
-	rte_free(large_buf_read);
-	rte_free(large_buf_write);
-	rte_free(small_buf_read);
-	rte_free(small_buf_write);
-}
-
-/*
- * Get a random offset into large array, with enough space needed to perform
- * max copy size. Offset is aligned, uoffset is used for unalignment setting.
- */
-static inline size_t
-get_rand_offset(size_t uoffset)
-{
-	return ((rte_rand() % (LARGE_BUFFER_SIZE - SMALL_BUFFER_SIZE)) &
-			~(ALIGNMENT_UNIT - 1)) + uoffset;
-}
-
-/* Fill in source and destination addresses. */
-static inline void
-fill_addr_arrays(size_t *dst_addr, int is_dst_cached, size_t dst_uoffset,
-				 size_t *src_addr, int is_src_cached, size_t src_uoffset)
-{
-	unsigned int i;
-
-	for (i = 0; i < TEST_BATCH_SIZE; i++) {
-		dst_addr[i] = (is_dst_cached) ? dst_uoffset : get_rand_offset(dst_uoffset);
-		src_addr[i] = (is_src_cached) ? src_uoffset : get_rand_offset(src_uoffset);
-	}
-}
-
-/*
- * WORKAROUND: For some reason the first test doing an uncached write
- * takes a very long time (~25 times longer than is expected). So we do
- * it once without timing.
- */
-static void
-do_uncached_write(uint8_t *dst, int is_dst_cached,
-				  const uint8_t *src, int is_src_cached, size_t size)
-{
-	unsigned i, j;
-	size_t dst_addrs[TEST_BATCH_SIZE], src_addrs[TEST_BATCH_SIZE];
-
-	for (i = 0; i < (TEST_ITERATIONS / TEST_BATCH_SIZE); i++) {
-		fill_addr_arrays(dst_addrs, is_dst_cached, 0,
-						 src_addrs, is_src_cached, 0);
-		for (j = 0; j < TEST_BATCH_SIZE; j++) {
-			rte_memcpy(dst+dst_addrs[j], src+src_addrs[j], size);
-		}
-	}
-}
-
-/*
- * Run a single memcpy performance test. This is a macro to ensure that if
- * the "size" parameter is a constant it won't be converted to a variable.
- */
-#define SINGLE_PERF_TEST(dst, is_dst_cached, dst_uoffset,                   \
-                         src, is_src_cached, src_uoffset, size)             \
-do {                                                                        \
-    unsigned int iter, t;                                                   \
-    size_t dst_addrs[TEST_BATCH_SIZE], src_addrs[TEST_BATCH_SIZE];          \
-    uint64_t start_time, total_time = 0;                                    \
-    uint64_t total_time2 = 0;                                               \
-    for (iter = 0; iter < (TEST_ITERATIONS / TEST_BATCH_SIZE); iter++) {    \
-        fill_addr_arrays(dst_addrs, is_dst_cached, dst_uoffset,             \
-                         src_addrs, is_src_cached, src_uoffset);            \
-        start_time = rte_rdtsc();                                           \
-        for (t = 0; t < TEST_BATCH_SIZE; t++)                               \
-            rte_memcpy(dst+dst_addrs[t], src+src_addrs[t], size);           \
-        total_time += rte_rdtsc() - start_time;                             \
-    }                                                                       \
-    for (iter = 0; iter < (TEST_ITERATIONS / TEST_BATCH_SIZE); iter++) {    \
-        fill_addr_arrays(dst_addrs, is_dst_cached, dst_uoffset,             \
-                         src_addrs, is_src_cached, src_uoffset);            \
-        start_time = rte_rdtsc();                                           \
-        for (t = 0; t < TEST_BATCH_SIZE; t++)                               \
-            memcpy(dst+dst_addrs[t], src+src_addrs[t], size);               \
-        total_time2 += rte_rdtsc() - start_time;                            \
-    }                                                                       \
-    printf("%8.0f -",  (double)total_time /TEST_ITERATIONS);                \
-    printf("%5.0f",  (double)total_time2 / TEST_ITERATIONS);                \
-} while (0)
-
-/* Run aligned memcpy tests for each cached/uncached permutation */
-#define ALL_PERF_TESTS_FOR_SIZE(n)                                       \
-do {                                                                     \
-    if (__builtin_constant_p(n))                                         \
-        printf("\nC%6u", (unsigned)n);                                   \
-    else                                                                 \
-        printf("\n%7u", (unsigned)n);                                    \
-    SINGLE_PERF_TEST(small_buf_write, 1, 0, small_buf_read, 1, 0, n);    \
-    SINGLE_PERF_TEST(large_buf_write, 0, 0, small_buf_read, 1, 0, n);    \
-    SINGLE_PERF_TEST(small_buf_write, 1, 0, large_buf_read, 0, 0, n);    \
-    SINGLE_PERF_TEST(large_buf_write, 0, 0, large_buf_read, 0, 0, n);    \
-} while (0)
-
-/* Run unaligned memcpy tests for each cached/uncached permutation */
-#define ALL_PERF_TESTS_FOR_SIZE_UNALIGNED(n)                             \
-do {                                                                     \
-    if (__builtin_constant_p(n))                                         \
-        printf("\nC%6u", (unsigned)n);                                   \
-    else                                                                 \
-        printf("\n%7u", (unsigned)n);                                    \
-    SINGLE_PERF_TEST(small_buf_write, 1, 1, small_buf_read, 1, 5, n);    \
-    SINGLE_PERF_TEST(large_buf_write, 0, 1, small_buf_read, 1, 5, n);    \
-    SINGLE_PERF_TEST(small_buf_write, 1, 1, large_buf_read, 0, 5, n);    \
-    SINGLE_PERF_TEST(large_buf_write, 0, 1, large_buf_read, 0, 5, n);    \
-} while (0)
-
-/* Run memcpy tests for constant length */
-#define ALL_PERF_TEST_FOR_CONSTANT                                      \
-do {                                                                    \
-    TEST_CONSTANT(6U); TEST_CONSTANT(64U); TEST_CONSTANT(128U);         \
-    TEST_CONSTANT(192U); TEST_CONSTANT(256U); TEST_CONSTANT(512U);      \
-    TEST_CONSTANT(768U); TEST_CONSTANT(1024U); TEST_CONSTANT(1536U);    \
-} while (0)
-
-/* Run all memcpy tests for aligned constant cases */
-static inline void
-perf_test_constant_aligned(void)
-{
-#define TEST_CONSTANT ALL_PERF_TESTS_FOR_SIZE
-	ALL_PERF_TEST_FOR_CONSTANT;
-#undef TEST_CONSTANT
-}
-
-/* Run all memcpy tests for unaligned constant cases */
-static inline void
-perf_test_constant_unaligned(void)
-{
-#define TEST_CONSTANT ALL_PERF_TESTS_FOR_SIZE_UNALIGNED
-	ALL_PERF_TEST_FOR_CONSTANT;
-#undef TEST_CONSTANT
-}
-
-/* Run all memcpy tests for aligned variable cases */
-static inline void
-perf_test_variable_aligned(void)
-{
-	unsigned n = sizeof(buf_sizes) / sizeof(buf_sizes[0]);
-	unsigned i;
-	for (i = 0; i < n; i++) {
-		ALL_PERF_TESTS_FOR_SIZE((size_t)buf_sizes[i]);
-	}
-}
-
-/* Run all memcpy tests for unaligned variable cases */
-static inline void
-perf_test_variable_unaligned(void)
-{
-	unsigned n = sizeof(buf_sizes) / sizeof(buf_sizes[0]);
-	unsigned i;
-	for (i = 0; i < n; i++) {
-		ALL_PERF_TESTS_FOR_SIZE_UNALIGNED((size_t)buf_sizes[i]);
-	}
-}
-
-/* Run all memcpy tests */
-static int
-perf_test(void)
-{
-	int ret;
-
-	ret = init_buffers();
-	if (ret != 0)
-		return ret;
-
-#if TEST_VALUE_RANGE != 0
-	/* Set up buf_sizes array, if required */
-	unsigned i;
-	for (i = 0; i < TEST_VALUE_RANGE; i++)
-		buf_sizes[i] = i;
-#endif
-
-	/* See function comment */
-	do_uncached_write(large_buf_write, 0, small_buf_read, 1, SMALL_BUFFER_SIZE);
-
-	printf("\n** rte_memcpy() - memcpy perf. tests (C = compile-time constant) **\n"
-		   "======= ============== ============== ============== ==============\n"
-		   "   Size Cache to cache   Cache to mem   Mem to cache     Mem to mem\n"
-		   "(bytes)        (ticks)        (ticks)        (ticks)        (ticks)\n"
-		   "------- -------------- -------------- -------------- --------------");
-
-	printf("\n========================== %2dB aligned ============================", ALIGNMENT_UNIT);
-	/* Do aligned tests where size is a variable */
-	perf_test_variable_aligned();
-	printf("\n------- -------------- -------------- -------------- --------------");
-	/* Do aligned tests where size is a compile-time constant */
-	perf_test_constant_aligned();
-	printf("\n=========================== Unaligned =============================");
-	/* Do unaligned tests where size is a variable */
-	perf_test_variable_unaligned();
-	printf("\n------- -------------- -------------- -------------- --------------");
-	/* Do unaligned tests where size is a compile-time constant */
-	perf_test_constant_unaligned();
-	printf("\n======= ============== ============== ============== ==============\n\n");
-
-	free_buffers();
-
-	return 0;
-}
-
-static int
-test_memcpy_perf(void)
-{
-	int ret;
-
-	ret = perf_test();
-	if (ret != 0)
-		return -1;
-	return 0;
-}
-
-REGISTER_TEST_COMMAND(memcpy_perf_autotest, test_memcpy_perf);