/*************************************************************************** * Copyright (c) 2024 Microsoft Corporation * * This program and the accompanying materials are made available under the * terms of the MIT License which is available at * https://opensource.org/licenses/MIT. * * SPDX-License-Identifier: MIT **************************************************************************/ /**************************************************************************/ /**************************************************************************/ /** */ /** ThreadX Component */ /** */ /** Mutex */ /** */ /**************************************************************************/ /**************************************************************************/ #define TX_SOURCE_CODE /* Include necessary system files. */ #include "tx_api.h" #include "tx_mutex.h" #ifdef TX_MUTEX_ENABLE_PERFORMANCE_INFO #include "tx_trace.h" #endif /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _tx_mutex_performance_info_get PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* William E. Lamie, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function retrieves performance information from the specified */ /* mutex. */ /* */ /* INPUT */ /* */ /* mutex_ptr Pointer to mutex control block */ /* puts Destination for the number of */ /* puts on to this mutex */ /* gets Destination for the number of */ /* gets on this mutex */ /* suspensions Destination for the number of */ /* suspensions on this mutex */ /* timeouts Destination for number of timeouts*/ /* on this mutex */ /* inversions Destination for number of priority*/ /* inversions on this mutex */ /* inheritances Destination for number of priority*/ /* inheritances on this mutex */ /* */ /* OUTPUT */ /* */ /* status Completion status */ /* */ /* CALLS */ /* */ /* None */ /* */ /* CALLED BY */ /* */ /* Application Code */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 William E. Lamie Initial Version 6.0 */ /* 09-30-2020 Yuxin Zhou Modified comment(s), */ /* resulting in version 6.1 */ /* */ /**************************************************************************/ UINT _tx_mutex_performance_info_get(TX_MUTEX *mutex_ptr, ULONG *puts, ULONG *gets, ULONG *suspensions, ULONG *timeouts, ULONG *inversions, ULONG *inheritances) { #ifdef TX_MUTEX_ENABLE_PERFORMANCE_INFO TX_INTERRUPT_SAVE_AREA UINT status; /* Default status to success. */ status = TX_SUCCESS; /* Determine if this is a legal request. */ if (mutex_ptr == TX_NULL) { /* Mutex pointer is illegal, return error. */ status = TX_PTR_ERROR; } /* Determine if the mutex ID is invalid. */ else if (mutex_ptr -> tx_mutex_id != TX_MUTEX_ID) { /* Mutex pointer is illegal, return error. */ status = TX_PTR_ERROR; } else { /* Disable interrupts. */ TX_DISABLE /* If trace is enabled, insert this event into the trace buffer. */ TX_TRACE_IN_LINE_INSERT(TX_TRACE_MUTEX_PERFORMANCE_INFO_GET, mutex_ptr, 0, 0, 0, TX_TRACE_MUTEX_EVENTS) /* Log this kernel call. */ TX_EL_MUTEX_PERFORMANCE_INFO_GET_INSERT /* Retrieve all the pertinent information and return it in the supplied destinations. */ /* Retrieve the number of puts on this mutex. */ if (puts != TX_NULL) { *puts = mutex_ptr -> tx_mutex_performance_put_count; } /* Retrieve the number of gets on this mutex. */ if (gets != TX_NULL) { *gets = mutex_ptr -> tx_mutex_performance_get_count; } /* Retrieve the number of suspensions on this mutex. */ if (suspensions != TX_NULL) { *suspensions = mutex_ptr -> tx_mutex_performance_suspension_count; } /* Retrieve the number of timeouts on this mutex. */ if (timeouts != TX_NULL) { *timeouts = mutex_ptr -> tx_mutex_performance_timeout_count; } /* Retrieve the number of priority inversions on this mutex. */ if (inversions != TX_NULL) { *inversions = mutex_ptr -> tx_mutex_performance_priority_inversion_count; } /* Retrieve the number of priority inheritances on this mutex. */ if (inheritances != TX_NULL) { *inheritances = mutex_ptr -> tx_mutex_performance__priority_inheritance_count; } /* Restore interrupts. */ TX_RESTORE } #else UINT status; /* Access input arguments just for the sake of lint, MISRA, etc. */ if (mutex_ptr != TX_NULL) { /* Not enabled, return error. */ status = TX_FEATURE_NOT_ENABLED; } else if (puts != TX_NULL) { /* Not enabled, return error. */ status = TX_FEATURE_NOT_ENABLED; } else if (gets != TX_NULL) { /* Not enabled, return error. */ status = TX_FEATURE_NOT_ENABLED; } else if (suspensions != TX_NULL) { /* Not enabled, return error. */ status = TX_FEATURE_NOT_ENABLED; } else if (timeouts != TX_NULL) { /* Not enabled, return error. */ status = TX_FEATURE_NOT_ENABLED; } else if (inversions != TX_NULL) { /* Not enabled, return error. */ status = TX_FEATURE_NOT_ENABLED; } else if (inheritances != TX_NULL) { /* Not enabled, return error. */ status = TX_FEATURE_NOT_ENABLED; } else { /* Not enabled, return error. */ status = TX_FEATURE_NOT_ENABLED; } #endif /* Return completion status. */ return(status); }