1 /***************************************************************************
2  * Copyright (c) 2024 Microsoft Corporation
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the MIT License which is available at
6  * https://opensource.org/licenses/MIT.
7  *
8  * SPDX-License-Identifier: MIT
9  **************************************************************************/
10 
11 
12 /**************************************************************************/
13 /**************************************************************************/
14 /**                                                                       */
15 /** ThreadX Component                                                     */
16 /**                                                                       */
17 /**   Queue                                                               */
18 /**                                                                       */
19 /**************************************************************************/
20 /**************************************************************************/
21 
22 #define TX_SOURCE_CODE
23 
24 
25 /* Include necessary system files.  */
26 
27 #include "tx_api.h"
28 #include "tx_queue.h"
29 #ifdef TX_QUEUE_ENABLE_PERFORMANCE_INFO
30 #include "tx_trace.h"
31 #endif
32 
33 
34 /**************************************************************************/
35 /*                                                                        */
36 /*  FUNCTION                                               RELEASE        */
37 /*                                                                        */
38 /*    _tx_queue_performance_info_get                      PORTABLE C      */
39 /*                                                           6.1          */
40 /*  AUTHOR                                                                */
41 /*                                                                        */
42 /*    William E. Lamie, Microsoft Corporation                             */
43 /*                                                                        */
44 /*  DESCRIPTION                                                           */
45 /*                                                                        */
46 /*    This function retrieves performance information from the specified  */
47 /*    queue.                                                              */
48 /*                                                                        */
49 /*  INPUT                                                                 */
50 /*                                                                        */
51 /*    queue_ptr                         Pointer to queue control block    */
52 /*    messages_sent                     Destination for messages sent     */
53 /*    messages_received                 Destination for messages received */
54 /*    empty_suspensions                 Destination for number of empty   */
55 /*                                        queue suspensions               */
56 /*    full_suspensions                  Destination for number of full    */
57 /*                                        queue suspensions               */
58 /*    full_errors                       Destination for queue full errors */
59 /*                                        returned - no suspension        */
60 /*    timeouts                          Destination for number of timeouts*/
61 /*                                        on this queue                   */
62 /*                                                                        */
63 /*  OUTPUT                                                                */
64 /*                                                                        */
65 /*    status                            Completion status                 */
66 /*                                                                        */
67 /*  CALLS                                                                 */
68 /*                                                                        */
69 /*    None                                                                */
70 /*                                                                        */
71 /*  CALLED BY                                                             */
72 /*                                                                        */
73 /*    Application Code                                                    */
74 /*                                                                        */
75 /*  RELEASE HISTORY                                                       */
76 /*                                                                        */
77 /*    DATE              NAME                      DESCRIPTION             */
78 /*                                                                        */
79 /*  05-19-2020     William E. Lamie         Initial Version 6.0           */
80 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
81 /*                                            resulting in version 6.1    */
82 /*                                                                        */
83 /**************************************************************************/
_tx_queue_performance_info_get(TX_QUEUE * queue_ptr,ULONG * messages_sent,ULONG * messages_received,ULONG * empty_suspensions,ULONG * full_suspensions,ULONG * full_errors,ULONG * timeouts)84 UINT  _tx_queue_performance_info_get(TX_QUEUE *queue_ptr, ULONG *messages_sent, ULONG *messages_received,
85                     ULONG *empty_suspensions, ULONG *full_suspensions, ULONG *full_errors, ULONG *timeouts)
86 {
87 
88 #ifdef TX_QUEUE_ENABLE_PERFORMANCE_INFO
89 
90 TX_INTERRUPT_SAVE_AREA
91 UINT                    status;
92 
93 
94     /* Determine if this is a legal request.  */
95     if (queue_ptr == TX_NULL)
96     {
97 
98         /* Queue pointer is illegal, return error.  */
99         status =  TX_PTR_ERROR;
100     }
101 
102     /* Determine if the queue ID is invalid.  */
103     else if (queue_ptr -> tx_queue_id != TX_QUEUE_ID)
104     {
105 
106         /* Queue pointer is illegal, return error.  */
107         status =  TX_PTR_ERROR;
108     }
109     else
110     {
111 
112         /* Disable interrupts.  */
113         TX_DISABLE
114 
115         /* If trace is enabled, insert this event into the trace buffer.  */
116         TX_TRACE_IN_LINE_INSERT(TX_TRACE_QUEUE_PERFORMANCE_INFO_GET, queue_ptr, 0, 0, 0, TX_TRACE_QUEUE_EVENTS)
117 
118         /* Log this kernel call.  */
119         TX_EL_QUEUE_PERFORMANCE_INFO_GET_INSERT
120 
121         /* Retrieve all the pertinent information and return it in the supplied
122            destinations.  */
123 
124         /* Retrieve the number of messages sent to this queue.  */
125         if (messages_sent != TX_NULL)
126         {
127 
128             *messages_sent =  queue_ptr -> tx_queue_performance_messages_sent_count;
129         }
130 
131         /* Retrieve the number of messages received from this queue.  */
132         if (messages_received != TX_NULL)
133         {
134 
135             *messages_received =  queue_ptr -> tx_queue_performance_messages_received_count;
136         }
137 
138         /* Retrieve the number of empty queue suspensions on this queue.  */
139         if (empty_suspensions != TX_NULL)
140         {
141 
142             *empty_suspensions =  queue_ptr -> tx_queue_performance_empty_suspension_count;
143         }
144 
145         /* Retrieve the number of full queue suspensions on this queue.  */
146         if (full_suspensions != TX_NULL)
147         {
148 
149             *full_suspensions =  queue_ptr -> tx_queue_performance_full_suspension_count;
150         }
151 
152         /* Retrieve the number of full errors (no suspension!) on this queue.  */
153         if (full_errors != TX_NULL)
154         {
155 
156             *full_errors =  queue_ptr -> tx_queue_performance_full_error_count;
157         }
158 
159         /* Retrieve the number of timeouts on this queue.  */
160         if (timeouts != TX_NULL)
161         {
162 
163             *timeouts =  queue_ptr -> tx_queue_performance_timeout_count;
164         }
165 
166         /* Restore interrupts.  */
167         TX_RESTORE
168 
169         /* Return completion status.  */
170         status =  TX_SUCCESS;
171     }
172 #else
173 UINT                    status;
174 
175 
176     /* Access input arguments just for the sake of lint, MISRA, etc.  */
177     if (queue_ptr != TX_NULL)
178     {
179 
180         /* Not enabled, return error.  */
181         status =  TX_FEATURE_NOT_ENABLED;
182     }
183     else if (messages_sent != TX_NULL)
184     {
185 
186         /* Not enabled, return error.  */
187         status =  TX_FEATURE_NOT_ENABLED;
188     }
189     else if (messages_received != TX_NULL)
190     {
191 
192         /* Not enabled, return error.  */
193         status =  TX_FEATURE_NOT_ENABLED;
194     }
195     else if (empty_suspensions != TX_NULL)
196     {
197 
198         /* Not enabled, return error.  */
199         status =  TX_FEATURE_NOT_ENABLED;
200     }
201     else if (full_suspensions != TX_NULL)
202     {
203 
204         /* Not enabled, return error.  */
205         status =  TX_FEATURE_NOT_ENABLED;
206     }
207     else if (full_errors != TX_NULL)
208     {
209 
210         /* Not enabled, return error.  */
211         status =  TX_FEATURE_NOT_ENABLED;
212     }
213     else if (timeouts != TX_NULL)
214     {
215 
216         /* Not enabled, return error.  */
217         status =  TX_FEATURE_NOT_ENABLED;
218     }
219     else
220     {
221 
222         /* Not enabled, return error.  */
223         status =  TX_FEATURE_NOT_ENABLED;
224     }
225 #endif
226 
227     /* Return completion status.  */
228     return(status);
229 }
230 
231