204 lines
8.0 KiB
C
204 lines
8.0 KiB
C
/***************************************************************************
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* Copyright (c) 2024 Microsoft Corporation
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*
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* This program and the accompanying materials are made available under the
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* terms of the MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** ThreadX Component */
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/** */
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/** Event Flags */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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#define TX_SOURCE_CODE
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/* Include necessary system files. */
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#include "tx_api.h"
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#include "tx_event_flags.h"
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#ifdef TX_EVENT_FLAGS_ENABLE_PERFORMANCE_INFO
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#include "tx_trace.h"
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#endif
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* _tx_event_flags_performance_info_get PORTABLE C */
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/* 6.1 */
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/* AUTHOR */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function retrieves performance information from the specified */
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/* event flag group. */
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/* */
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/* INPUT */
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/* */
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/* group_ptr Pointer to event flag group */
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/* sets Destination for the number of */
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/* event flag sets on this group */
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/* gets Destination for the number of */
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/* event flag gets on this group */
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/* suspensions Destination for the number of */
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/* event flag suspensions on this */
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/* group */
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/* timeouts Destination for number of timeouts*/
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/* on this event flag group */
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/* */
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/* OUTPUT */
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/* */
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/* status Completion status */
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/* */
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/* CALLS */
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/* */
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/* None */
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/* */
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/* CALLED BY */
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/* */
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/* Application Code */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 05-19-2020 William E. Lamie Initial Version 6.0 */
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/* 09-30-2020 Yuxin Zhou Modified comment(s), */
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/* resulting in version 6.1 */
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/* */
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/**************************************************************************/
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UINT _tx_event_flags_performance_info_get(TX_EVENT_FLAGS_GROUP *group_ptr, ULONG *sets, ULONG *gets,
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ULONG *suspensions, ULONG *timeouts)
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{
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#ifdef TX_EVENT_FLAGS_ENABLE_PERFORMANCE_INFO
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TX_INTERRUPT_SAVE_AREA
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UINT status;
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/* Determine if this is a legal request. */
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if (group_ptr == TX_NULL)
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{
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/* Event flags group pointer is illegal, return error. */
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status = TX_PTR_ERROR;
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}
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/* Determine if the event group ID is invalid. */
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else if (group_ptr -> tx_event_flags_group_id != TX_EVENT_FLAGS_ID)
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{
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/* Event flags group pointer is illegal, return error. */
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status = TX_PTR_ERROR;
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}
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else
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{
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/* Disable interrupts. */
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TX_DISABLE
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/* If trace is enabled, insert this event into the trace buffer. */
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TX_TRACE_IN_LINE_INSERT(TX_TRACE_EVENT_FLAGS_PERFORMANCE_INFO_GET, group_ptr, 0, 0, 0, TX_TRACE_EVENT_FLAGS_EVENTS)
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/* Log this kernel call. */
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TX_EL_EVENT_FLAGS_PERFORMANCE_INFO_GET_INSERT
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/* Retrieve all the pertinent information and return it in the supplied
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destinations. */
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/* Retrieve the number of set operations on this event flag group. */
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if (sets != TX_NULL)
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{
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*sets = group_ptr -> tx_event_flags_group_performance_set_count;
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}
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/* Retrieve the number of get operations on this event flag group. */
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if (gets != TX_NULL)
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{
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*gets = group_ptr -> tx_event_flags_group__performance_get_count;
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}
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/* Retrieve the number of thread suspensions on this event flag group. */
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if (suspensions != TX_NULL)
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{
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*suspensions = group_ptr -> tx_event_flags_group___performance_suspension_count;
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}
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/* Retrieve the number of thread timeouts on this event flag group. */
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if (timeouts != TX_NULL)
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{
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*timeouts = group_ptr -> tx_event_flags_group____performance_timeout_count;
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}
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/* Restore interrupts. */
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TX_RESTORE
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/* Return successful completion. */
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status = TX_SUCCESS;
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}
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#else
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UINT status;
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/* Access input arguments just for the sake of lint, MISRA, etc. */
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if (group_ptr != TX_NULL)
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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else if (sets != TX_NULL)
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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else if (gets != TX_NULL)
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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else if (suspensions != TX_NULL)
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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else if (timeouts != TX_NULL)
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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else
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{
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/* Not enabled, return error. */
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status = TX_FEATURE_NOT_ENABLED;
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}
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#endif
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/* Return completion status. */
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return(status);
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}
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