mirror of https://github.com/FreeRDP/FreeRDP
143 lines
5.7 KiB
C
143 lines
5.7 KiB
C
/* measure.h
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* Macros to help with performance measurement.
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* vi:ts=4 sw=4
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*
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* (c) Copyright 2012 Hewlett-Packard Development Company, L.P.
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License. You may obtain
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* a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* permissions and limitations under the License. Algorithms used by
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* this code may be covered by patents by HP, Microsoft, or other parties.
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*
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* MEASURE_LOOP_START("measurement", 2000)
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* code to be measured
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* MEASURE_LOOP_STOP
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* buffer flush and such
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* MEASURE_SHOW_RESULTS
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*
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* Define GOOGLE_PROFILER if you want gperftools included.
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*/
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#ifndef TEST_MEASURE_H_INCLUDED
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#define TEST_MEASURE_H_INCLUDED
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#include <freerdp/config.h>
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#include <time.h>
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#include <winpr/string.h>
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#include <winpr/sysinfo.h>
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#ifndef _WIN32
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#include <sys/param.h>
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#endif
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#include <winpr/crt.h>
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#ifdef _WIN32
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#define PROFILER_START(_prefix_)
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#define PROFILER_STOP
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#define MEASURE_LOOP_START(_prefix_, _count_)
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#define MEASURE_LOOP_STOP
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#define MEASURE_GET_RESULTS(_result_)
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#define MEASURE_SHOW_RESULTS(_result_)
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#define MEASURE_SHOW_RESULTS_SCALED(_scale_, _label_)
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#define MEASURE_TIMED(_label_, _init_iter_, _test_time_, _result_, _call_)
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#else
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#ifdef GOOGLE_PROFILER
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#include <gperftools/profiler.h>
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#define PROFILER_START(_prefix_) \
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do \
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{ \
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char _path[PATH_MAX]; \
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sprintf_s(_path, sizeof(_path), "./%s.prof", (_prefix_)); \
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ProfilerStart(_path); \
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} while (0);
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#define PROFILER_STOP \
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do \
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{ \
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ProfilerStop(); \
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} while (0);
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#else
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#define PROFILER_START(_prefix_)
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#define PROFILER_STOP
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#endif // GOOGLE_PROFILER
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extern float measure_delta_time(UINT64 t0, UINT64 t1);
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extern void measure_floatprint(float t, char* output);
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#define MEASURE_LOOP_START(_prefix_, _count_) \
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{ \
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UINT64 _start, _stop; \
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char* _prefix; \
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int _count = (_count_); \
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int _loop; \
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float _delta; \
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char _str1[32], _str2[32]; \
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_prefix = _strdup(_prefix_); \
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_str1[0] = '\0'; \
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_str2[0] = '\0'; \
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_start = winpr_GetTickCount64NS(); \
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PROFILER_START(_prefix); \
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_loop = (_count); \
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do \
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{
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#define MEASURE_LOOP_STOP \
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} \
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while (--_loop) \
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;
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#define MEASURE_GET_RESULTS(_result_) \
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PROFILER_STOP; \
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_stop = winpr_GetTickCount64NS(); \
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_delta = measure_delta_time(_start, _stop); \
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(_result_) = (float)_count / _delta; \
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free(_prefix); \
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}
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#define MEASURE_SHOW_RESULTS(_result_) \
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PROFILER_STOP; \
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_stop = winpr_GetTickCount64NS(); \
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_delta = measure_delta_time(_start, _stop); \
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(_result_) = (float)_count / _delta; \
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measure_floatprint((float)_count / _delta, _str1); \
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printf("%s: %9d iterations in %5.1f seconds = %s/s \n", _prefix, _count, _delta, _str1); \
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free(_prefix); \
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}
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#define MEASURE_SHOW_RESULTS_SCALED(_scale_, _label_) \
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PROFILER_STOP; \
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_stop = winpr_GetTickCount64NS(); \
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_delta = measure_delta_time(_start, _stop); \
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measure_floatprint((float)_count / _delta, _str1); \
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measure_floatprint((float)_count / _delta * (_scale_), _str2); \
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printf("%s: %9d iterations in %5.1f seconds = %s/s = %s%s \n", _prefix, _count, _delta, _str1, \
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_str2, _label_); \
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free(_prefix); \
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}
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#define MEASURE_TIMED(_label_, _init_iter_, _test_time_, _result_, _call_) \
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{ \
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float _r; \
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MEASURE_LOOP_START(_label_, _init_iter_); \
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_call_; \
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MEASURE_LOOP_STOP; \
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MEASURE_GET_RESULTS(_r); \
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MEASURE_LOOP_START(_label_, _r* _test_time_); \
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_call_; \
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MEASURE_LOOP_STOP; \
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MEASURE_SHOW_RESULTS(_result_); \
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}
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#endif
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#endif // __MEASURE_H_INCLUDED__
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