80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Stopwatch Utils
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*
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* Copyright 2011 Stephen Erisman
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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 or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <freerdp/config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <winpr/sysinfo.h>
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#include <freerdp/utils/stopwatch.h>
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static void stopwatch_set_time(UINT64* usecs)
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{
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const UINT64 ns = winpr_GetTickCount64NS();
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*usecs = WINPR_TIME_NS_TO_US(ns);
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}
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STOPWATCH* stopwatch_create(void)
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{
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STOPWATCH* sw = (STOPWATCH*)calloc(1, sizeof(STOPWATCH));
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if (!sw)
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return NULL;
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stopwatch_reset(sw);
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return sw;
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}
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void stopwatch_free(STOPWATCH* stopwatch)
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{
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free(stopwatch);
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}
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void stopwatch_start(STOPWATCH* stopwatch)
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{
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stopwatch_set_time(&stopwatch->start);
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stopwatch->count++;
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}
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void stopwatch_stop(STOPWATCH* stopwatch)
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{
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stopwatch_set_time(&stopwatch->end);
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stopwatch->elapsed += (stopwatch->end - stopwatch->start);
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}
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void stopwatch_reset(STOPWATCH* stopwatch)
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{
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stopwatch->start = 0;
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stopwatch->end = 0;
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stopwatch->elapsed = 0;
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stopwatch->count = 0;
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}
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double stopwatch_get_elapsed_time_in_seconds(STOPWATCH* stopwatch)
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{
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const long double ld = stopwatch->elapsed / 1000000.0L;
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return (double)ld;
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}
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void stopwatch_get_elapsed_time_in_useconds(STOPWATCH* stopwatch, UINT32* sec, UINT32* usec)
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{
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*sec = (UINT32)stopwatch->elapsed / 1000000;
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*usec = (UINT32)stopwatch->elapsed % 1000000;
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}
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