| 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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