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 /**   Byte Memory                                                         */
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_byte_pool.h"
29 #ifdef TX_BYTE_POOL_ENABLE_PERFORMANCE_INFO
30 #include "tx_trace.h"
31 #endif
32 
33 /**************************************************************************/
34 /*                                                                        */
35 /*  FUNCTION                                               RELEASE        */
36 /*                                                                        */
37 /*    _tx_byte_pool_performance_system_info_get           PORTABLE C      */
38 /*                                                           6.1          */
39 /*  AUTHOR                                                                */
40 /*                                                                        */
41 /*    William E. Lamie, Microsoft Corporation                             */
42 /*                                                                        */
43 /*  DESCRIPTION                                                           */
44 /*                                                                        */
45 /*    This function retrieves byte pool performance information.          */
46 /*                                                                        */
47 /*  INPUT                                                                 */
48 /*                                                                        */
49 /*    allocates                         Destination for total number of   */
50 /*                                        allocates                       */
51 /*    releases                          Destination for total number of   */
52 /*                                        releases                        */
53 /*    fragments_searched                Destination for total number of   */
54 /*                                        fragments searched during       */
55 /*                                        allocation                      */
56 /*    merges                            Destination for total number of   */
57 /*                                        adjacent free fragments merged  */
58 /*    splits                            Destination for total number of   */
59 /*                                        fragments split during          */
60 /*                                        allocation                      */
61 /*    suspensions                       Destination for total number of   */
62 /*                                        suspensions                     */
63 /*    timeouts                          Destination for total number of   */
64 /*                                        timeouts                        */
65 /*                                                                        */
66 /*  OUTPUT                                                                */
67 /*                                                                        */
68 /*    status                            Completion status                 */
69 /*                                                                        */
70 /*  CALLS                                                                 */
71 /*                                                                        */
72 /*    None                                                                */
73 /*                                                                        */
74 /*  CALLED BY                                                             */
75 /*                                                                        */
76 /*    Application Code                                                    */
77 /*                                                                        */
78 /*  RELEASE HISTORY                                                       */
79 /*                                                                        */
80 /*    DATE              NAME                      DESCRIPTION             */
81 /*                                                                        */
82 /*  05-19-2020     William E. Lamie         Initial Version 6.0           */
83 /*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
84 /*                                            resulting in version 6.1    */
85 /*                                                                        */
86 /**************************************************************************/
_tx_byte_pool_performance_system_info_get(ULONG * allocates,ULONG * releases,ULONG * fragments_searched,ULONG * merges,ULONG * splits,ULONG * suspensions,ULONG * timeouts)87 UINT  _tx_byte_pool_performance_system_info_get(ULONG *allocates, ULONG *releases,
88                     ULONG *fragments_searched, ULONG *merges, ULONG *splits, ULONG *suspensions, ULONG *timeouts)
89 {
90 
91 #ifdef TX_BYTE_POOL_ENABLE_PERFORMANCE_INFO
92 
93 TX_INTERRUPT_SAVE_AREA
94 
95 
96     /* Disable interrupts.  */
97     TX_DISABLE
98 
99     /* If trace is enabled, insert this event into the trace buffer.  */
100     TX_TRACE_IN_LINE_INSERT(TX_TRACE_BYTE_POOL__PERFORMANCE_SYSTEM_INFO_GET, 0, 0, 0, 0, TX_TRACE_BYTE_POOL_EVENTS)
101 
102     /* Log this kernel call.  */
103     TX_EL_BYTE_POOL_PERFORMANCE_SYSTEM_INFO_GET_INSERT
104 
105     /* Retrieve all the pertinent information and return it in the supplied
106        destinations.  */
107 
108     /* Retrieve the total number of byte pool allocates.  */
109     if (allocates != TX_NULL)
110     {
111 
112         *allocates =  _tx_byte_pool_performance_allocate_count;
113     }
114 
115     /* Retrieve the total number of byte pool releases.  */
116     if (releases != TX_NULL)
117     {
118 
119         *releases =  _tx_byte_pool_performance_release_count;
120     }
121 
122     /* Retrieve the total number of byte pool fragments searched.  */
123     if (fragments_searched != TX_NULL)
124     {
125 
126         *fragments_searched =  _tx_byte_pool_performance_search_count;
127     }
128 
129     /* Retrieve the total number of byte pool fragments merged.  */
130     if (merges != TX_NULL)
131     {
132 
133         *merges =  _tx_byte_pool_performance_merge_count;
134     }
135 
136     /* Retrieve the total number of byte pool fragment splits.  */
137     if (splits != TX_NULL)
138     {
139 
140         *splits =  _tx_byte_pool_performance_split_count;
141     }
142 
143     /* Retrieve the total number of byte pool suspensions.  */
144     if (suspensions != TX_NULL)
145     {
146 
147         *suspensions =  _tx_byte_pool_performance_suspension_count;
148     }
149 
150     /* Retrieve the total number of byte pool timeouts.  */
151     if (timeouts != TX_NULL)
152     {
153 
154         *timeouts =  _tx_byte_pool_performance_timeout_count;
155     }
156 
157     /* Restore interrupts.  */
158     TX_RESTORE
159 
160     /* Return completion status.  */
161     return(TX_SUCCESS);
162 
163 #else
164 
165 UINT        status;
166 
167 
168     /* Access input arguments just for the sake of lint, MISRA, etc.  */
169     if (allocates != TX_NULL)
170     {
171 
172         /* Not enabled, return error.  */
173         status =  TX_FEATURE_NOT_ENABLED;
174     }
175     else if (releases != TX_NULL)
176     {
177 
178         /* Not enabled, return error.  */
179         status =  TX_FEATURE_NOT_ENABLED;
180     }
181     else if (fragments_searched != TX_NULL)
182     {
183 
184         /* Not enabled, return error.  */
185         status =  TX_FEATURE_NOT_ENABLED;
186     }
187     else if (merges != TX_NULL)
188     {
189 
190         /* Not enabled, return error.  */
191         status =  TX_FEATURE_NOT_ENABLED;
192     }
193     else if (splits != TX_NULL)
194     {
195 
196         /* Not enabled, return error.  */
197         status =  TX_FEATURE_NOT_ENABLED;
198     }
199     else if (suspensions != TX_NULL)
200     {
201 
202         /* Not enabled, return error.  */
203         status =  TX_FEATURE_NOT_ENABLED;
204     }
205     else if (timeouts != TX_NULL)
206     {
207 
208         /* Not enabled, return error.  */
209         status =  TX_FEATURE_NOT_ENABLED;
210     }
211     else
212     {
213 
214         /* Not enabled, return error.  */
215         status =  TX_FEATURE_NOT_ENABLED;
216     }
217 
218     /* Return completion status.  */
219     return(status);
220 #endif
221 }
222 
223