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 /**   Timer                                                               */
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_timer.h"
29 #ifdef TX_TIMER_ENABLE_PERFORMANCE_INFO
30 #include "tx_trace.h"
31 #endif
32 
33 
34 /**************************************************************************/
35 /*                                                                        */
36 /*  FUNCTION                                               RELEASE        */
37 /*                                                                        */
38 /*    _tx_timer_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 /*    timer.                                                              */
48 /*                                                                        */
49 /*  INPUT                                                                 */
50 /*                                                                        */
51 /*    timer_ptr                         Pointer to timer control block    */
52 /*    activates                         Destination for the number of     */
53 /*                                        activations of this timer       */
54 /*    reactivates                       Destination for the number of     */
55 /*                                        reactivations of this timer     */
56 /*    deactivates                       Destination for the number of     */
57 /*                                        deactivations of this timer     */
58 /*    expirations                       Destination for the number of     */
59 /*                                        expirations of this timer       */
60 /*    expiration_adjusts                Destination for the number of     */
61 /*                                        expiration adjustments of this  */
62 /*                                        timer                           */
63 /*                                                                        */
64 /*  OUTPUT                                                                */
65 /*                                                                        */
66 /*    status                            Completion status                 */
67 /*                                                                        */
68 /*  CALLS                                                                 */
69 /*                                                                        */
70 /*    None                                                                */
71 /*                                                                        */
72 /*  CALLED BY                                                             */
73 /*                                                                        */
74 /*    Application Code                                                    */
75 /*                                                                        */
76 /*  RELEASE HISTORY                                                       */
77 /*                                                                        */
78 /*    DATE              NAME                      DESCRIPTION             */
79 /*                                                                        */
80 /*  05-19-2020     William E. Lamie         Initial Version 6.0           */
81 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
82 /*                                            resulting in version 6.1    */
83 /*                                                                        */
84 /**************************************************************************/
_tx_timer_performance_info_get(TX_TIMER * timer_ptr,ULONG * activates,ULONG * reactivates,ULONG * deactivates,ULONG * expirations,ULONG * expiration_adjusts)85 UINT  _tx_timer_performance_info_get(TX_TIMER *timer_ptr, ULONG *activates, ULONG *reactivates,
86                     ULONG *deactivates, ULONG *expirations, ULONG *expiration_adjusts)
87 {
88 
89 #ifdef TX_TIMER_ENABLE_PERFORMANCE_INFO
90 
91 TX_INTERRUPT_SAVE_AREA
92 UINT                    status;
93 
94 
95     /* Determine if this is a legal request.  */
96     if (timer_ptr == TX_NULL)
97     {
98 
99         /* Timer pointer is illegal, return error.  */
100         status =  TX_PTR_ERROR;
101     }
102 
103     /* Determine if the timer ID is invalid.  */
104     else if (timer_ptr -> tx_timer_id != TX_TIMER_ID)
105     {
106 
107         /* Timer pointer is illegal, return error.  */
108         status =  TX_PTR_ERROR;
109     }
110     else
111     {
112 
113         /* Disable interrupts.  */
114         TX_DISABLE
115 
116         /* If trace is enabled, insert this event into the trace buffer.  */
117         TX_TRACE_IN_LINE_INSERT(TX_TRACE_TIMER_PERFORMANCE_INFO_GET, timer_ptr, 0, 0, 0, TX_TRACE_TIMER_EVENTS)
118 
119         /* Log this kernel call.  */
120         TX_EL_TIMER_PERFORMANCE_INFO_GET_INSERT
121 
122         /* Retrieve the number of activations of this timer.  */
123         if (activates != TX_NULL)
124         {
125 
126             *activates =  timer_ptr -> tx_timer_performance_activate_count;
127         }
128 
129         /* Retrieve the number of reactivations of this timer.  */
130         if (reactivates != TX_NULL)
131         {
132 
133             *reactivates =  timer_ptr -> tx_timer_performance_reactivate_count;
134         }
135 
136         /* Retrieve the number of deactivations of this timer.  */
137         if (deactivates != TX_NULL)
138         {
139 
140             *deactivates =  timer_ptr -> tx_timer_performance_deactivate_count;
141         }
142 
143         /* Retrieve the number of expirations of this timer.  */
144         if (expirations != TX_NULL)
145         {
146 
147             *expirations =  timer_ptr -> tx_timer_performance_expiration_count;
148         }
149 
150         /* Retrieve the number of expiration adjustments of this timer.  */
151         if (expiration_adjusts != TX_NULL)
152         {
153 
154             *expiration_adjusts =  timer_ptr -> tx_timer_performance__expiration_adjust_count;
155         }
156 
157         /* Restore interrupts.  */
158         TX_RESTORE
159 
160         /* Return successful completion.  */
161         status =  TX_SUCCESS;
162     }
163 #else
164 UINT                    status;
165 
166 
167     /* Access input arguments just for the sake of lint, MISRA, etc.  */
168     if (timer_ptr != TX_NULL)
169     {
170 
171         /* Not enabled, return error.  */
172         status =  TX_FEATURE_NOT_ENABLED;
173     }
174     else if (activates != TX_NULL)
175     {
176 
177         /* Not enabled, return error.  */
178         status =  TX_FEATURE_NOT_ENABLED;
179     }
180     else if (reactivates != TX_NULL)
181     {
182 
183         /* Not enabled, return error.  */
184         status =  TX_FEATURE_NOT_ENABLED;
185     }
186     else if (deactivates != TX_NULL)
187     {
188 
189         /* Not enabled, return error.  */
190         status =  TX_FEATURE_NOT_ENABLED;
191     }
192     else if (expirations != TX_NULL)
193     {
194 
195         /* Not enabled, return error.  */
196         status =  TX_FEATURE_NOT_ENABLED;
197     }
198     else if (expiration_adjusts != TX_NULL)
199     {
200 
201         /* Not enabled, return error.  */
202         status =  TX_FEATURE_NOT_ENABLED;
203     }
204     else
205     {
206 
207         /* Not enabled, return error.  */
208         status =  TX_FEATURE_NOT_ENABLED;
209     }
210 #endif
211 
212     /* Return completion status.  */
213     return(status);
214 }
215 
216