1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12
13 /**************************************************************************/
14 /**************************************************************************/
15 /** */
16 /** ThreadX Component */
17 /** */
18 /** Event Flags */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23 #define TX_SOURCE_CODE
24
25
26 /* Include necessary system files. */
27
28 #include "tx_api.h"
29 #include "tx_event_flags.h"
30 #ifdef TX_EVENT_FLAGS_ENABLE_PERFORMANCE_INFO
31 #include "tx_trace.h"
32 #endif
33
34
35 /**************************************************************************/
36 /* */
37 /* FUNCTION RELEASE */
38 /* */
39 /* _tx_event_flags_performance_system_info_get PORTABLE C */
40 /* 6.1 */
41 /* AUTHOR */
42 /* */
43 /* William E. Lamie, Microsoft Corporation */
44 /* */
45 /* DESCRIPTION */
46 /* */
47 /* This function retrieves system event flag performance information. */
48 /* */
49 /* INPUT */
50 /* */
51 /* sets Destination for total number of */
52 /* event flag sets */
53 /* gets Destination for total number of */
54 /* event flag gets */
55 /* suspensions Destination for total number of */
56 /* event flag suspensions */
57 /* timeouts Destination for total number of */
58 /* timeouts */
59 /* */
60 /* OUTPUT */
61 /* */
62 /* status Completion status */
63 /* */
64 /* CALLS */
65 /* */
66 /* None */
67 /* */
68 /* CALLED BY */
69 /* */
70 /* Application Code */
71 /* */
72 /* RELEASE HISTORY */
73 /* */
74 /* DATE NAME DESCRIPTION */
75 /* */
76 /* 05-19-2020 William E. Lamie Initial Version 6.0 */
77 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
78 /* resulting in version 6.1 */
79 /* */
80 /**************************************************************************/
_tx_event_flags_performance_system_info_get(ULONG * sets,ULONG * gets,ULONG * suspensions,ULONG * timeouts)81 UINT _tx_event_flags_performance_system_info_get(ULONG *sets, ULONG *gets, ULONG *suspensions, ULONG *timeouts)
82 {
83
84 #ifdef TX_EVENT_FLAGS_ENABLE_PERFORMANCE_INFO
85
86 TX_INTERRUPT_SAVE_AREA
87
88
89 /* Disable interrupts. */
90 TX_DISABLE
91
92 /* If trace is enabled, insert this event into the trace buffer. */
93 TX_TRACE_IN_LINE_INSERT(TX_TRACE_EVENT_FLAGS__PERFORMANCE_SYSTEM_INFO_GET, 0, 0, 0, 0, TX_TRACE_EVENT_FLAGS_EVENTS)
94
95 /* Log this kernel call. */
96 TX_EL_EVENT_FLAGS__PERFORMANCE_SYSTEM_INFO_GET_INSERT
97
98 /* Retrieve all the pertinent information and return it in the supplied
99 destinations. */
100
101 /* Retrieve the total number of event flag set operations. */
102 if (sets != TX_NULL)
103 {
104
105 *sets = _tx_event_flags_performance_set_count;
106 }
107
108 /* Retrieve the total number of event flag get operations. */
109 if (gets != TX_NULL)
110 {
111
112 *gets = _tx_event_flags_performance_get_count;
113 }
114
115 /* Retrieve the total number of event flag thread suspensions. */
116 if (suspensions != TX_NULL)
117 {
118
119 *suspensions = _tx_event_flags_performance_suspension_count;
120 }
121
122 /* Retrieve the total number of event flag thread timeouts. */
123 if (timeouts != TX_NULL)
124 {
125
126 *timeouts = _tx_event_flags_performance_timeout_count;
127 }
128
129 /* Restore interrupts. */
130 TX_RESTORE
131
132 /* Return completion status. */
133 return(TX_SUCCESS);
134
135 #else
136
137 UINT status;
138
139
140 /* Access input arguments just for the sake of lint, MISRA, etc. */
141 if (sets != TX_NULL)
142 {
143
144 /* Not enabled, return error. */
145 status = TX_FEATURE_NOT_ENABLED;
146 }
147 else if (gets != TX_NULL)
148 {
149
150 /* Not enabled, return error. */
151 status = TX_FEATURE_NOT_ENABLED;
152 }
153 else if (suspensions != TX_NULL)
154 {
155
156 /* Not enabled, return error. */
157 status = TX_FEATURE_NOT_ENABLED;
158 }
159 else if (timeouts != TX_NULL)
160 {
161
162 /* Not enabled, return error. */
163 status = TX_FEATURE_NOT_ENABLED;
164 }
165 else
166 {
167
168 /* Not enabled, return error. */
169 status = TX_FEATURE_NOT_ENABLED;
170 }
171
172 /* Return completion status. */
173 return(status);
174 #endif
175 }
176
177
