| /* |
| * Copyright © 2015 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| * |
| */ |
| |
| /* Simple tool to print statistics on incoming line buffers intervals */ |
| |
| #define _ISOC99_SOURCE |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <stdint.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <unistd.h> |
| |
| #include "igt_stats.h" |
| |
| static void statify(FILE *file, const char *name) |
| { |
| igt_stats_t stats; |
| char *line = NULL; |
| size_t line_len = 0; |
| |
| igt_stats_init(&stats); |
| while (getline(&line, &line_len, file) != -1) { |
| char *end, *start = line; |
| union { |
| unsigned long long u64; |
| double fp; |
| } u; |
| int is_float; |
| |
| is_float = 0; |
| u.u64 = strtoull(start, &end, 0); |
| if (*end == '.') { |
| u.fp = strtod(start, &end); |
| is_float = 1; |
| } |
| while (start != end) { |
| if (is_float) |
| igt_stats_push_float(&stats, u.fp); |
| else |
| igt_stats_push(&stats, u.u64); |
| |
| is_float = 0; |
| u.u64 = strtoull(start = end, &end, 0); |
| if (*end == '.') { |
| u.fp = strtod(start, &end); |
| is_float = 1; |
| } |
| } |
| } |
| free(line); |
| |
| if (name) |
| printf("%s: ", name); |
| |
| printf("%f\n", igt_stats_get_trimean(&stats)); |
| |
| igt_stats_fini(&stats); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| if (argc == 1) { |
| statify(stdin, NULL); |
| } else { |
| int i; |
| |
| for (i = 1; i < argc; i++) { |
| FILE *file; |
| |
| file = fopen(argv[i], "r"); |
| if (file == NULL) { |
| perror(argv[i]); |
| continue; |
| } |
| |
| statify(file, argv[i]); |
| fclose(file); |
| } |
| } |
| |
| return 0; |
| } |