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Diffstat (limited to '')
| -rw-r--r-- | libfreerdp/primitives/test/measure.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/libfreerdp/primitives/test/measure.h b/libfreerdp/primitives/test/measure.h new file mode 100644 index 0000000..ee04abd --- /dev/null +++ b/libfreerdp/primitives/test/measure.h @@ -0,0 +1,145 @@ +/* measure.h + * Macros to help with performance measurement. + * vi:ts=4 sw=4 + * + * (c) Copyright 2012 Hewlett-Packard Development Company, L.P. + * Licensed under the Apache License, Version 2.0 (the "License"); you may + * not use this file except in compliance with the License. You may obtain + * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0. + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express + * or implied. See the License for the specific language governing + * permissions and limitations under the License. Algorithms used by + * this code may be covered by patents by HP, Microsoft, or other parties. + * + * MEASURE_LOOP_START("measurement", 2000) + * code to be measured + * MEASURE_LOOP_STOP + * buffer flush and such + * MEASURE_SHOW_RESULTS + * + * Define GOOGLE_PROFILER if you want gperftools included. + */ + +#ifndef TEST_MEASURE_H_INCLUDED +#define TEST_MEASURE_H_INCLUDED + +#include <freerdp/config.h> + +#include <time.h> +#include <winpr/string.h> + +#ifndef _WIN32 +#include <sys/param.h> +#endif + +#include <winpr/crt.h> + +#ifdef _WIN32 + +#define PROFILER_START(_prefix_) +#define PROFILER_STOP + +#define MEASURE_LOOP_START(_prefix_, _count_) +#define MEASURE_LOOP_STOP +#define MEASURE_GET_RESULTS(_result_) +#define MEASURE_SHOW_RESULTS(_result_) +#define MEASURE_SHOW_RESULTS_SCALED(_scale_, _label_) +#define MEASURE_TIMED(_label_, _init_iter_, _test_time_, _result_, _call_) + +#else + +#ifdef GOOGLE_PROFILER +#include <gperftools/profiler.h> +#define PROFILER_START(_prefix_) \ + do \ + { \ + char _path[PATH_MAX]; \ + sprintf_s(_path, sizeof(_path), "./%s.prof", (_prefix_)); \ + ProfilerStart(_path); \ + } while (0); +#define PROFILER_STOP \ + do \ + { \ + ProfilerStop(); \ + } while (0); +#else +#define PROFILER_START(_prefix_) +#define PROFILER_STOP +#endif // GOOGLE_PROFILER + +extern float _delta_time(const struct timespec* t0, const struct timespec* t1); +extern void _floatprint(float t, char* output); + +#ifndef CLOCK_MONOTONIC_RAW +#define CLOCK_MONOTONIC_RAW 4 +#endif // !CLOCK_MONOTONIC_RAW + +#define MEASURE_LOOP_START(_prefix_, _count_) \ + { \ + struct timespec _start, _stop; \ + char* _prefix; \ + int _count = (_count_); \ + int _loop; \ + float _delta; \ + char _str1[32], _str2[32]; \ + _prefix = _strdup(_prefix_); \ + _str1[0] = '\0'; \ + _str2[0] = '\0'; \ + clock_gettime(CLOCK_MONOTONIC_RAW, &_start); \ + PROFILER_START(_prefix); \ + _loop = (_count); \ + do \ + { + +#define MEASURE_LOOP_STOP \ + } \ + while (--_loop) \ + ; + +#define MEASURE_GET_RESULTS(_result_) \ + PROFILER_STOP; \ + clock_gettime(CLOCK_MONOTONIC_RAW, &_stop); \ + _delta = _delta_time(&_start, &_stop); \ + (_result_) = (float)_count / _delta; \ + free(_prefix); \ + } + +#define MEASURE_SHOW_RESULTS(_result_) \ + PROFILER_STOP; \ + clock_gettime(CLOCK_MONOTONIC_RAW, &_stop); \ + _delta = _delta_time(&_start, &_stop); \ + (_result_) = (float)_count / _delta; \ + _floatprint((float)_count / _delta, _str1); \ + printf("%s: %9d iterations in %5.1f seconds = %s/s \n", _prefix, _count, _delta, _str1); \ + free(_prefix); \ + } + +#define MEASURE_SHOW_RESULTS_SCALED(_scale_, _label_) \ + PROFILER_STOP; \ + clock_gettime(CLOCK_MONOTONIC_RAW, &_stop); \ + _delta = _delta_time(&_start, &_stop); \ + _floatprint((float)_count / _delta, _str1); \ + _floatprint((float)_count / _delta * (_scale_), _str2); \ + printf("%s: %9d iterations in %5.1f seconds = %s/s = %s%s \n", _prefix, _count, _delta, _str1, \ + _str2, _label_); \ + free(_prefix); \ + } + +#define MEASURE_TIMED(_label_, _init_iter_, _test_time_, _result_, _call_) \ + { \ + float _r; \ + MEASURE_LOOP_START(_label_, _init_iter_); \ + _call_; \ + MEASURE_LOOP_STOP; \ + MEASURE_GET_RESULTS(_r); \ + MEASURE_LOOP_START(_label_, _r* _test_time_); \ + _call_; \ + MEASURE_LOOP_STOP; \ + MEASURE_SHOW_RESULTS(_result_); \ + } + +#endif + +#endif // __MEASURE_H_INCLUDED__ |