85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/**
|
|
* FreeRDP: A Remote Desktop Protocol Implementation
|
|
* Stopwatch Utils
|
|
*
|
|
* Copyright 2011 Stephen Erisman
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <freerdp/utils/stopwatch.h>
|
|
|
|
STOPWATCH* stopwatch_create()
|
|
{
|
|
STOPWATCH* sw;
|
|
|
|
sw = (STOPWATCH*) malloc(sizeof(STOPWATCH));
|
|
stopwatch_reset(sw);
|
|
|
|
return sw;
|
|
}
|
|
|
|
void stopwatch_free(STOPWATCH* stopwatch)
|
|
{
|
|
free(stopwatch);
|
|
}
|
|
|
|
void stopwatch_start(STOPWATCH* stopwatch)
|
|
{
|
|
stopwatch->start = clock();
|
|
stopwatch->count++;
|
|
}
|
|
|
|
void stopwatch_stop(STOPWATCH* stopwatch)
|
|
{
|
|
stopwatch->end = clock();
|
|
stopwatch->elapsed += (stopwatch->end - stopwatch->start);
|
|
}
|
|
|
|
void stopwatch_reset(STOPWATCH* stopwatch)
|
|
{
|
|
stopwatch->start = 0;
|
|
stopwatch->end = 0;
|
|
stopwatch->elapsed = 0;
|
|
stopwatch->count = 0;
|
|
}
|
|
|
|
double stopwatch_get_elapsed_time_in_seconds(STOPWATCH* stopwatch)
|
|
{
|
|
return ((double) stopwatch->elapsed) / CLOCKS_PER_SEC;
|
|
}
|
|
|
|
void stopwatch_get_elapsed_time_in_useconds(STOPWATCH* stopwatch, UINT32* sec, UINT32* usec)
|
|
{
|
|
double uelapsed;
|
|
double clocks_per_usec;
|
|
|
|
*sec = ((UINT32) stopwatch->elapsed) / CLOCKS_PER_SEC;
|
|
uelapsed = stopwatch->elapsed - ((double)(*sec) * CLOCKS_PER_SEC);
|
|
|
|
clocks_per_usec = (CLOCKS_PER_SEC / 1000000);
|
|
|
|
if (clocks_per_usec > 0.0)
|
|
*usec = (UINT32)(uelapsed / clocks_per_usec);
|
|
else
|
|
*usec = 0;
|
|
}
|
|
|