1 /* 2 * FreeRTOS V202212.00 3 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a copy of 6 * this software and associated documentation files (the "Software"), to deal in 7 * the Software without restriction, including without limitation the rights to 8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of 9 * the Software, and to permit persons to whom the Software is furnished to do so, 10 * subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in all 13 * copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS 17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * https://www.FreeRTOS.org 23 * https://github.com/FreeRTOS 24 * 25 */ 26 27 /* 28 * Utility functions required to gather run time statistics. See: 29 * https://www.FreeRTOS.org/rtos-run-time-stats.html 30 * 31 * Note that this is a simulated port, where simulated time is a lot slower than 32 * real time, therefore the run time counter values have no real meaningful 33 * units. 34 * 35 * Also note that it is assumed this demo is going to be used for short periods 36 * of time only, and therefore timer overflows are not handled. 37 */ 38 39 #include <time.h> 40 41 #ifdef WIN32_LEAN_AND_MEAN 42 #include <winsock2.h> 43 #else 44 #include <winsock.h> 45 #endif /* WIN32_LEAN_AND_MEAN */ 46 47 #include <windows.h> 48 49 /* FreeRTOS includes. */ 50 #include "FreeRTOS.h" 51 52 #if configGENERATE_RUN_TIME_STATS == 1 53 54 /* Time at start of day (in ns). */ 55 static LARGE_INTEGER lStartTime; 56 57 /*-----------------------------------------------------------*/ 58 vConfigureTimerForRunTimeStats(void)59 void vConfigureTimerForRunTimeStats( void ) 60 { 61 ( void ) QueryPerformanceCounter( &lStartTime ); 62 } 63 /*-----------------------------------------------------------*/ 64 ulGetRunTimeCounterValue(void)65 unsigned long ulGetRunTimeCounterValue( void ) 66 { 67 LARGE_INTEGER lCurrentTime; 68 69 ( void ) QueryPerformanceCounter( &lCurrentTime ); 70 71 configASSERT( lCurrentTime.QuadPart > lStartTime.QuadPart ); 72 73 return ( unsigned long ) ( lCurrentTime.QuadPart - lStartTime.QuadPart ); 74 } 75 /*-----------------------------------------------------------*/ 76 #endif /* configGENERATE_RUN_TIME_STATS == 1 */ 77