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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/isa-l/crc/crc32_iscsi_perf.c | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/isa-l/crc/crc32_iscsi_perf.c')
-rw-r--r-- | src/isa-l/crc/crc32_iscsi_perf.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/isa-l/crc/crc32_iscsi_perf.c b/src/isa-l/crc/crc32_iscsi_perf.c new file mode 100644 index 000000000..d768cdfa6 --- /dev/null +++ b/src/isa-l/crc/crc32_iscsi_perf.c @@ -0,0 +1,79 @@ +/********************************************************************** + Copyright(c) 2011-2015 Intel Corporation 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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdint.h> +#include <sys/time.h> +#include "crc.h" +#include "test.h" + +//#define CACHED_TEST +#ifdef CACHED_TEST +// Cached test, loop many times over small dataset +# define TEST_LEN 8*1024 +# define TEST_TYPE_STR "_warm" +#else +// Uncached test. Pull from large mem base. +# define GT_L3_CACHE 32*1024*1024 /* some number > last level cache */ +# define TEST_LEN (2 * GT_L3_CACHE) +# define TEST_TYPE_STR "_cold" +#endif + +#ifndef TEST_SEED +# define TEST_SEED 0x1234 +#endif + +#define TEST_MEM TEST_LEN + +int main(int argc, char *argv[]) +{ + void *buf; + uint32_t crc; + struct perf start; + + printf("crc32_iscsi_perf:\n"); + + if (posix_memalign(&buf, 1024, TEST_LEN)) { + printf("alloc error: Fail"); + return -1; + } + + printf("Start timed tests\n"); + fflush(0); + + memset(buf, 0, TEST_LEN); + BENCHMARK(&start, BENCHMARK_TIME, crc = crc32_iscsi(buf, TEST_LEN, TEST_SEED)); + printf("crc32_iscsi" TEST_TYPE_STR ": "); + perf_print(start, (long long)TEST_LEN); + + printf("finish 0x%x\n", crc); + return 0; +} |