#ifndef PA_CPULOAD_H #define PA_CPULOAD_H /* * $Id: pa_cpuload.h,v 1.1.2.8 2002/10/22 08:58:17 rossbencina Exp $ * Portable Audio I/O Library CPU Load measurement functions * Portable CPU load measurement facility. * * Based on the Open Source API proposed by Ross Bencina * Copyright (c) 2002 Ross Bencina * * 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 shall be * included in all copies or substantial portions of the Software. * * Any person wishing to distribute modifications to the Software is * requested to send the modifications to the original developer so that * they can be incorporated into the canonical version. * * 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. */ #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ typedef struct { double samplingPeriod; double measurementStartTime; double averageLoad; } PaUtilCpuLoadMeasurer; /** @todo need better name than measurer */ void PaUtil_InitializeCpuLoadMeasurer( PaUtilCpuLoadMeasurer* measurer, double sampleRate ); void PaUtil_BeginCpuLoadMeasurement( PaUtilCpuLoadMeasurer* measurer ); void PaUtil_EndCpuLoadMeasurement( PaUtilCpuLoadMeasurer* measurer, unsigned long framesProcessed ); double PaUtil_GetCpuLoad( PaUtilCpuLoadMeasurer* measurer ); #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* PA_CPULOAD_H */