| 1 | /*
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| 2 | * Copyright (c) 2019 Vojtech Horky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup hbench
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file
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| 34 | */
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| 35 |
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| 36 | #include <stdlib.h>
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| 37 | #include <stdio.h>
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| 38 | #include "hbench.h"
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| 39 |
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| 40 | static FILE *csv_output = NULL;
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| 41 |
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| 42 | /** Open CSV benchmark report.
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| 43 | *
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| 44 | * @param filename Filename where to store the CSV.
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| 45 | * @return Whether it was possible to open the file.
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| 46 | */
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| 47 | errno_t csv_report_open(const char *filename)
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| 48 | {
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| 49 | csv_output = fopen(filename, "w");
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| 50 | if (csv_output == NULL) {
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| 51 | return errno;
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| 52 | }
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| 53 |
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| 54 | fprintf(csv_output, "benchmark,run,size,duration_nanos\n");
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| 55 |
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| 56 | return EOK;
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| 57 | }
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| 58 |
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| 59 | /** Add one entry to the report.
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| 60 | *
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| 61 | * When csv_report_open() was not called or failed, the function does
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| 62 | * nothing.
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| 63 | *
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| 64 | * @param run Performance data of the entry.
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| 65 | * @param run_index Run index, use negative values for warm-up.
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| 66 | * @param bench Benchmark information.
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| 67 | * @param workload_size Workload size.
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| 68 | */
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| 69 | void csv_report_add_entry(bench_run_t *run, int run_index,
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| 70 | benchmark_t *bench, uint64_t workload_size)
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| 71 | {
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| 72 | if (csv_output == NULL) {
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| 73 | return;
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| 74 | }
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| 75 |
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| 76 | fprintf(csv_output, "%s,%d,%" PRIu64 ",%lld\n",
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| 77 | bench->name, run_index, workload_size,
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| 78 | (long long) stopwatch_get_nanos(&run->stopwatch));
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| 79 | }
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| 80 |
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| 81 | /** Close CSV report.
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| 82 | *
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| 83 | * When csv_report_open() was not called or failed, the function does
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| 84 | * nothing.
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| 85 | */
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| 86 | void csv_report_close(void)
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| 87 | {
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| 88 | if (csv_output != NULL) {
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| 89 | fclose(csv_output);
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| 90 | }
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| 91 | }
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| 92 |
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| 93 | /** @}
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| 94 | */
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