X-Git-Url: https://git.sur5r.net/?p=freertos;a=blobdiff_plain;f=FreeRTOS%2FDemo%2FPosix_GCC%2Fsrc%2Frun-time-stats-utils.c;fp=FreeRTOS%2FDemo%2FPosix_GCC%2Fsrc%2Frun-time-stats-utils.c;h=7cd8170e04dcb29005479cc75259399b0af51b72;hp=0000000000000000000000000000000000000000;hb=584c29e09cf7a95184b0e32718e8f711b781ffea;hpb=c5efd011e8c638d413ac395419119a451a0cb169 diff --git a/FreeRTOS/Demo/Posix_GCC/src/run-time-stats-utils.c b/FreeRTOS/Demo/Posix_GCC/src/run-time-stats-utils.c new file mode 100644 index 000000000..7cd8170e0 --- /dev/null +++ b/FreeRTOS/Demo/Posix_GCC/src/run-time-stats-utils.c @@ -0,0 +1,68 @@ +/* + * FreeRTOS Kernel V10.3.0 + * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * 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. + * + * 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. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + +/* + * Utility functions required to gather run time statistics. See: + * http://www.freertos.org/rtos-run-time-stats.html + * + * Note that this is a simulated port, where simulated time is a lot slower than + * real time, therefore the run time counter values have no real meaningful + * units. + * + * Also note that it is assumed this demo is going to be used for short periods + * of time only, and therefore timer overflows are not handled. +*/ + +#include + +/* FreeRTOS includes. */ +#include + +/* Time at start of day (in ns). */ +static unsigned long ulStartTimeNs; + +/*-----------------------------------------------------------*/ + +void vConfigureTimerForRunTimeStats( void ) +{ +struct timespec xNow; + + clock_gettime(CLOCK_MONOTONIC, &xNow); + ulStartTimeNs = xNow.tv_sec * 1000000000ul + xNow.tv_nsec; +} +/*-----------------------------------------------------------*/ + +unsigned long ulGetRunTimeCounterValue( void ) +{ +struct timespec xNow; + + /* Time at start. */ + clock_gettime(CLOCK_MONOTONIC, &xNow); + + return xNow.tv_sec * 1000000000ul + xNow.tv_nsec - ulStartTimeNs; +} +/*-----------------------------------------------------------*/