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d042c6e8 | 1 | /** @file\r |
2 | Performance Library used in SMM phase.\r | |
3 | \r | |
4 | This library instance provides infrastructure for SMM drivers to log performance\r | |
f0da4d7d SZ |
5 | data. It consumes SMM PerformanceEx or Performance Protocol published by SmmCorePerformanceLib\r |
6 | to log performance data. If both SMM PerformanceEx and Performance Protocol are not available, it does not log any\r | |
d042c6e8 | 7 | performance information.\r |
8 | \r | |
d1102dba | 9 | Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 10 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
d042c6e8 | 11 | \r |
12 | **/\r | |
13 | \r | |
137fb13d | 14 | #include <Guid/PerformanceMeasurement.h>\r |
d042c6e8 | 15 | \r |
16 | #include <Library/PerformanceLib.h>\r | |
17 | #include <Library/DebugLib.h>\r | |
18 | #include <Library/SmmServicesTableLib.h>\r | |
19 | #include <Library/PcdLib.h>\r | |
20 | #include <Library/BaseMemoryLib.h>\r | |
21 | \r | |
d042c6e8 | 22 | //\r |
f0da4d7d | 23 | // The cached SMM Performance Protocol and SMM PerformanceEx Protocol interface.\r |
137fb13d BD |
24 | EDKII_PERFORMANCE_MEASUREMENT_PROTOCOL *mPerformanceMeasurement = NULL;\r |
25 | BOOLEAN mPerformanceMeasurementEnabled;\r | |
d042c6e8 | 26 | \r |
27 | /**\r | |
f0da4d7d | 28 | The constructor function initializes the Performance Measurement Enable flag\r |
d042c6e8 | 29 | \r |
30 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
31 | @param SystemTable A pointer to the EFI System Table.\r | |
32 | \r | |
33 | @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r | |
34 | \r | |
35 | **/\r | |
36 | EFI_STATUS\r | |
37 | EFIAPI\r | |
38 | SmmPerformanceLibConstructor (\r | |
39 | IN EFI_HANDLE ImageHandle,\r | |
40 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
41 | )\r | |
42 | {\r | |
1436aea4 | 43 | mPerformanceMeasurementEnabled = (BOOLEAN)((PcdGet8 (PcdPerformanceLibraryPropertyMask) & PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED) != 0);\r |
d042c6e8 | 44 | \r |
45 | return EFI_SUCCESS;\r | |
46 | }\r | |
47 | \r | |
48 | /**\r | |
f0da4d7d | 49 | The function caches the pointers to SMM PerformanceEx protocol and Performance Protocol.\r |
d042c6e8 | 50 | \r |
f0da4d7d | 51 | The function locates SMM PerformanceEx protocol and Performance Protocol from protocol database.\r |
d042c6e8 | 52 | \r |
f0da4d7d SZ |
53 | @retval EFI_SUCCESS SMM PerformanceEx protocol or Performance Protocol is successfully located.\r |
54 | @retval EFI_NOT_FOUND Both SMM PerformanceEx protocol and Performance Protocol are not located to log performance.\r | |
d042c6e8 | 55 | \r |
56 | **/\r | |
57 | EFI_STATUS\r | |
137fb13d | 58 | GetPerformanceMeasurementProtocol (\r |
d042c6e8 | 59 | VOID\r |
60 | )\r | |
61 | {\r | |
1436aea4 MK |
62 | EFI_STATUS Status;\r |
63 | EDKII_PERFORMANCE_MEASUREMENT_PROTOCOL *PerformanceMeasurement;\r | |
d042c6e8 | 64 | \r |
137fb13d | 65 | if (mPerformanceMeasurement != NULL) {\r |
f0da4d7d SZ |
66 | return EFI_SUCCESS;\r |
67 | }\r | |
68 | \r | |
1436aea4 | 69 | Status = gSmst->SmmLocateProtocol (&gEdkiiSmmPerformanceMeasurementProtocolGuid, NULL, (VOID **)&PerformanceMeasurement);\r |
f0da4d7d | 70 | if (!EFI_ERROR (Status)) {\r |
137fb13d | 71 | ASSERT (PerformanceMeasurement != NULL);\r |
f0da4d7d | 72 | //\r |
137fb13d | 73 | // Cache PerformanceMeasurement Protocol.\r |
f0da4d7d | 74 | //\r |
137fb13d | 75 | mPerformanceMeasurement = PerformanceMeasurement;\r |
d042c6e8 | 76 | return EFI_SUCCESS;\r |
77 | }\r | |
1436aea4 | 78 | \r |
f0da4d7d | 79 | return EFI_NOT_FOUND;\r |
d042c6e8 | 80 | }\r |
81 | \r | |
82 | /**\r | |
83 | Creates a record for the beginning of a performance measurement.\r | |
84 | \r | |
f0da4d7d | 85 | Creates a record that contains the Handle, Token, Module and Identifier.\r |
d042c6e8 | 86 | If TimeStamp is not zero, then TimeStamp is added to the record as the start time.\r |
87 | If TimeStamp is zero, then this function reads the current time stamp\r | |
88 | and adds that time stamp value to the record as the start time.\r | |
89 | \r | |
90 | @param Handle Pointer to environment specific context used\r | |
91 | to identify the component being measured.\r | |
92 | @param Token Pointer to a Null-terminated ASCII string\r | |
93 | that identifies the component being measured.\r | |
94 | @param Module Pointer to a Null-terminated ASCII string\r | |
95 | that identifies the module being measured.\r | |
96 | @param TimeStamp 64-bit time stamp.\r | |
f0da4d7d SZ |
97 | @param Identifier 32-bit identifier. If the value is 0, the created record\r |
98 | is same as the one created by StartPerformanceMeasurement.\r | |
d042c6e8 | 99 | \r |
100 | @retval RETURN_SUCCESS The start of the measurement was recorded.\r | |
101 | @retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.\r | |
102 | \r | |
103 | **/\r | |
104 | RETURN_STATUS\r | |
105 | EFIAPI\r | |
f0da4d7d | 106 | StartPerformanceMeasurementEx (\r |
e3917e22 MK |
107 | IN CONST VOID *Handle OPTIONAL,\r |
108 | IN CONST CHAR8 *Token OPTIONAL,\r | |
109 | IN CONST CHAR8 *Module OPTIONAL,\r | |
f0da4d7d SZ |
110 | IN UINT64 TimeStamp,\r |
111 | IN UINT32 Identifier\r | |
d042c6e8 | 112 | )\r |
113 | {\r | |
1436aea4 MK |
114 | EFI_STATUS Status;\r |
115 | CONST CHAR8 *String;\r | |
d042c6e8 | 116 | \r |
137fb13d | 117 | Status = GetPerformanceMeasurementProtocol ();\r |
d042c6e8 | 118 | if (EFI_ERROR (Status)) {\r |
137fb13d | 119 | return RETURN_NOT_FOUND;\r |
d042c6e8 | 120 | }\r |
121 | \r | |
137fb13d BD |
122 | if (Token != NULL) {\r |
123 | String = Token;\r | |
124 | } else if (Module != NULL) {\r | |
125 | String = Module;\r | |
126 | } else {\r | |
127 | String = NULL;\r | |
128 | }\r | |
129 | \r | |
130 | if (mPerformanceMeasurement != NULL) {\r | |
131 | Status = mPerformanceMeasurement->CreatePerformanceMeasurement (Handle, NULL, String, TimeStamp, 0, Identifier, PerfStartEntry);\r | |
f0da4d7d SZ |
132 | } else {\r |
133 | ASSERT (FALSE);\r | |
134 | }\r | |
d042c6e8 | 135 | \r |
1436aea4 | 136 | return (RETURN_STATUS)Status;\r |
d042c6e8 | 137 | }\r |
138 | \r | |
139 | /**\r | |
140 | Fills in the end time of a performance measurement.\r | |
141 | \r | |
7a9395cd | 142 | Looks up the record that matches Handle, Token and Module.\r |
d042c6e8 | 143 | If the record can not be found then return RETURN_NOT_FOUND.\r |
144 | If the record is found and TimeStamp is not zero,\r | |
145 | then TimeStamp is added to the record as the end time.\r | |
146 | If the record is found and TimeStamp is zero, then this function reads\r | |
147 | the current time stamp and adds that time stamp value to the record as the end time.\r | |
d042c6e8 | 148 | \r |
149 | @param Handle Pointer to environment specific context used\r | |
150 | to identify the component being measured.\r | |
151 | @param Token Pointer to a Null-terminated ASCII string\r | |
152 | that identifies the component being measured.\r | |
153 | @param Module Pointer to a Null-terminated ASCII string\r | |
154 | that identifies the module being measured.\r | |
155 | @param TimeStamp 64-bit time stamp.\r | |
f0da4d7d SZ |
156 | @param Identifier 32-bit identifier. If the value is 0, the found record\r |
157 | is same as the one found by EndPerformanceMeasurement.\r | |
d042c6e8 | 158 | \r |
159 | @retval RETURN_SUCCESS The end of the measurement was recorded.\r | |
160 | @retval RETURN_NOT_FOUND The specified measurement record could not be found.\r | |
161 | \r | |
162 | **/\r | |
163 | RETURN_STATUS\r | |
164 | EFIAPI\r | |
f0da4d7d | 165 | EndPerformanceMeasurementEx (\r |
e3917e22 MK |
166 | IN CONST VOID *Handle OPTIONAL,\r |
167 | IN CONST CHAR8 *Token OPTIONAL,\r | |
168 | IN CONST CHAR8 *Module OPTIONAL,\r | |
f0da4d7d SZ |
169 | IN UINT64 TimeStamp,\r |
170 | IN UINT32 Identifier\r | |
d042c6e8 | 171 | )\r |
172 | {\r | |
1436aea4 MK |
173 | EFI_STATUS Status;\r |
174 | CONST CHAR8 *String;\r | |
d042c6e8 | 175 | \r |
137fb13d | 176 | Status = GetPerformanceMeasurementProtocol ();\r |
d042c6e8 | 177 | if (EFI_ERROR (Status)) {\r |
178 | return RETURN_NOT_FOUND;\r | |
179 | }\r | |
180 | \r | |
137fb13d BD |
181 | if (Token != NULL) {\r |
182 | String = Token;\r | |
183 | } else if (Module != NULL) {\r | |
184 | String = Module;\r | |
185 | } else {\r | |
186 | String = NULL;\r | |
187 | }\r | |
188 | \r | |
189 | if (mPerformanceMeasurement != NULL) {\r | |
190 | Status = mPerformanceMeasurement->CreatePerformanceMeasurement (Handle, NULL, String, TimeStamp, 0, Identifier, PerfEndEntry);\r | |
f0da4d7d SZ |
191 | } else {\r |
192 | ASSERT (FALSE);\r | |
193 | }\r | |
d042c6e8 | 194 | \r |
1436aea4 | 195 | return (RETURN_STATUS)Status;\r |
d042c6e8 | 196 | }\r |
197 | \r | |
198 | /**\r | |
199 | Attempts to retrieve a performance measurement log entry from the performance measurement log.\r | |
f0da4d7d SZ |
200 | It can also retrieve the log created by StartPerformanceMeasurement and EndPerformanceMeasurement,\r |
201 | and then assign the Identifier with 0.\r | |
d042c6e8 | 202 | \r |
203 | Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is\r | |
204 | zero on entry, then an attempt is made to retrieve the first entry from the performance log,\r | |
205 | and the key for the second entry in the log is returned. If the performance log is empty,\r | |
206 | then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance\r | |
207 | log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is\r | |
208 | returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is\r | |
209 | retrieved and an implementation specific non-zero key value that specifies the end of the performance\r | |
210 | log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry\r | |
211 | is retrieved and zero is returned. In the cases where a performance log entry can be returned,\r | |
f0da4d7d | 212 | the log entry is returned in Handle, Token, Module, StartTimeStamp, EndTimeStamp and Identifier.\r |
d042c6e8 | 213 | If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT().\r |
214 | If Handle is NULL, then ASSERT().\r | |
215 | If Token is NULL, then ASSERT().\r | |
216 | If Module is NULL, then ASSERT().\r | |
217 | If StartTimeStamp is NULL, then ASSERT().\r | |
218 | If EndTimeStamp is NULL, then ASSERT().\r | |
f0da4d7d | 219 | If Identifier is NULL, then ASSERT().\r |
d042c6e8 | 220 | \r |
221 | @param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.\r | |
222 | 0, then the first performance measurement log entry is retrieved.\r | |
223 | On exit, the key of the next performance log entry.\r | |
224 | @param Handle Pointer to environment specific context used to identify the component\r | |
225 | being measured.\r | |
226 | @param Token Pointer to a Null-terminated ASCII string that identifies the component\r | |
227 | being measured.\r | |
228 | @param Module Pointer to a Null-terminated ASCII string that identifies the module\r | |
229 | being measured.\r | |
230 | @param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r | |
231 | was started.\r | |
232 | @param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r | |
233 | was ended.\r | |
f0da4d7d | 234 | @param Identifier Pointer to the 32-bit identifier that was recorded.\r |
d042c6e8 | 235 | \r |
236 | @return The key for the next performance log entry (in general case).\r | |
237 | \r | |
238 | **/\r | |
239 | UINTN\r | |
240 | EFIAPI\r | |
f0da4d7d | 241 | GetPerformanceMeasurementEx (\r |
1436aea4 MK |
242 | IN UINTN LogEntryKey,\r |
243 | OUT CONST VOID **Handle,\r | |
244 | OUT CONST CHAR8 **Token,\r | |
245 | OUT CONST CHAR8 **Module,\r | |
246 | OUT UINT64 *StartTimeStamp,\r | |
247 | OUT UINT64 *EndTimeStamp,\r | |
248 | OUT UINT32 *Identifier\r | |
d042c6e8 | 249 | )\r |
250 | {\r | |
137fb13d | 251 | return 0;\r |
d042c6e8 | 252 | }\r |
253 | \r | |
f0da4d7d SZ |
254 | /**\r |
255 | Creates a record for the beginning of a performance measurement.\r | |
256 | \r | |
257 | Creates a record that contains the Handle, Token, and Module.\r | |
258 | If TimeStamp is not zero, then TimeStamp is added to the record as the start time.\r | |
259 | If TimeStamp is zero, then this function reads the current time stamp\r | |
260 | and adds that time stamp value to the record as the start time.\r | |
261 | \r | |
262 | @param Handle Pointer to environment specific context used\r | |
263 | to identify the component being measured.\r | |
264 | @param Token Pointer to a Null-terminated ASCII string\r | |
265 | that identifies the component being measured.\r | |
266 | @param Module Pointer to a Null-terminated ASCII string\r | |
267 | that identifies the module being measured.\r | |
268 | @param TimeStamp 64-bit time stamp.\r | |
269 | \r | |
270 | @retval RETURN_SUCCESS The start of the measurement was recorded.\r | |
271 | @retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.\r | |
272 | \r | |
273 | **/\r | |
274 | RETURN_STATUS\r | |
275 | EFIAPI\r | |
276 | StartPerformanceMeasurement (\r | |
e3917e22 MK |
277 | IN CONST VOID *Handle OPTIONAL,\r |
278 | IN CONST CHAR8 *Token OPTIONAL,\r | |
279 | IN CONST CHAR8 *Module OPTIONAL,\r | |
f0da4d7d SZ |
280 | IN UINT64 TimeStamp\r |
281 | )\r | |
282 | {\r | |
283 | return StartPerformanceMeasurementEx (Handle, Token, Module, TimeStamp, 0);\r | |
284 | }\r | |
285 | \r | |
286 | /**\r | |
287 | Fills in the end time of a performance measurement.\r | |
288 | \r | |
289 | Looks up the record that matches Handle, Token, and Module.\r | |
290 | If the record can not be found then return RETURN_NOT_FOUND.\r | |
291 | If the record is found and TimeStamp is not zero,\r | |
292 | then TimeStamp is added to the record as the end time.\r | |
293 | If the record is found and TimeStamp is zero, then this function reads\r | |
294 | the current time stamp and adds that time stamp value to the record as the end time.\r | |
295 | \r | |
296 | @param Handle Pointer to environment specific context used\r | |
297 | to identify the component being measured.\r | |
298 | @param Token Pointer to a Null-terminated ASCII string\r | |
299 | that identifies the component being measured.\r | |
300 | @param Module Pointer to a Null-terminated ASCII string\r | |
301 | that identifies the module being measured.\r | |
302 | @param TimeStamp 64-bit time stamp.\r | |
303 | \r | |
304 | @retval RETURN_SUCCESS The end of the measurement was recorded.\r | |
305 | @retval RETURN_NOT_FOUND The specified measurement record could not be found.\r | |
306 | \r | |
307 | **/\r | |
308 | RETURN_STATUS\r | |
309 | EFIAPI\r | |
310 | EndPerformanceMeasurement (\r | |
e3917e22 MK |
311 | IN CONST VOID *Handle OPTIONAL,\r |
312 | IN CONST CHAR8 *Token OPTIONAL,\r | |
313 | IN CONST CHAR8 *Module OPTIONAL,\r | |
f0da4d7d SZ |
314 | IN UINT64 TimeStamp\r |
315 | )\r | |
316 | {\r | |
317 | return EndPerformanceMeasurementEx (Handle, Token, Module, TimeStamp, 0);\r | |
318 | }\r | |
319 | \r | |
320 | /**\r | |
321 | Attempts to retrieve a performance measurement log entry from the performance measurement log.\r | |
322 | It can also retrieve the log created by StartPerformanceMeasurementEx and EndPerformanceMeasurementEx,\r | |
323 | and then eliminate the Identifier.\r | |
324 | \r | |
325 | Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is\r | |
326 | zero on entry, then an attempt is made to retrieve the first entry from the performance log,\r | |
327 | and the key for the second entry in the log is returned. If the performance log is empty,\r | |
328 | then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance\r | |
329 | log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is\r | |
330 | returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is\r | |
331 | retrieved and an implementation specific non-zero key value that specifies the end of the performance\r | |
332 | log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry\r | |
333 | is retrieved and zero is returned. In the cases where a performance log entry can be returned,\r | |
334 | the log entry is returned in Handle, Token, Module, StartTimeStamp, and EndTimeStamp.\r | |
335 | If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT().\r | |
336 | If Handle is NULL, then ASSERT().\r | |
337 | If Token is NULL, then ASSERT().\r | |
338 | If Module is NULL, then ASSERT().\r | |
339 | If StartTimeStamp is NULL, then ASSERT().\r | |
340 | If EndTimeStamp is NULL, then ASSERT().\r | |
341 | \r | |
342 | @param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.\r | |
343 | 0, then the first performance measurement log entry is retrieved.\r | |
344 | On exit, the key of the next performance log entry.\r | |
345 | @param Handle Pointer to environment specific context used to identify the component\r | |
346 | being measured.\r | |
347 | @param Token Pointer to a Null-terminated ASCII string that identifies the component\r | |
348 | being measured.\r | |
349 | @param Module Pointer to a Null-terminated ASCII string that identifies the module\r | |
350 | being measured.\r | |
351 | @param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r | |
352 | was started.\r | |
353 | @param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r | |
354 | was ended.\r | |
355 | \r | |
356 | @return The key for the next performance log entry (in general case).\r | |
357 | \r | |
358 | **/\r | |
359 | UINTN\r | |
360 | EFIAPI\r | |
361 | GetPerformanceMeasurement (\r | |
1436aea4 MK |
362 | IN UINTN LogEntryKey,\r |
363 | OUT CONST VOID **Handle,\r | |
364 | OUT CONST CHAR8 **Token,\r | |
365 | OUT CONST CHAR8 **Module,\r | |
366 | OUT UINT64 *StartTimeStamp,\r | |
367 | OUT UINT64 *EndTimeStamp\r | |
f0da4d7d SZ |
368 | )\r |
369 | {\r | |
137fb13d | 370 | return 0;\r |
f0da4d7d SZ |
371 | }\r |
372 | \r | |
d042c6e8 | 373 | /**\r |
374 | Returns TRUE if the performance measurement macros are enabled.\r | |
375 | \r | |
376 | This function returns TRUE if the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of\r | |
377 | PcdPerformanceLibraryPropertyMask is set. Otherwise FALSE is returned.\r | |
378 | \r | |
379 | @retval TRUE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of\r | |
380 | PcdPerformanceLibraryPropertyMask is set.\r | |
381 | @retval FALSE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of\r | |
382 | PcdPerformanceLibraryPropertyMask is clear.\r | |
383 | \r | |
384 | **/\r | |
385 | BOOLEAN\r | |
386 | EFIAPI\r | |
387 | PerformanceMeasurementEnabled (\r | |
388 | VOID\r | |
389 | )\r | |
390 | {\r | |
391 | return mPerformanceMeasurementEnabled;\r | |
392 | }\r | |
6b4d58a1 BD |
393 | \r |
394 | /**\r | |
395 | Create performance record with event description and a timestamp.\r | |
396 | \r | |
397 | @param CallerIdentifier - Image handle or pointer to caller ID GUID\r | |
398 | @param Guid - Pointer to a GUID\r | |
399 | @param String - Pointer to a string describing the measurement\r | |
400 | @param Address - Pointer to a location in memory relevant to the measurement\r | |
401 | @param Identifier - Performance identifier describing the type of measurement\r | |
402 | \r | |
403 | @retval RETURN_SUCCESS - Successfully created performance record\r | |
404 | @retval RETURN_OUT_OF_RESOURCES - Ran out of space to store the records\r | |
405 | @retval RETURN_INVALID_PARAMETER - Invalid parameter passed to function - NULL\r | |
406 | pointer or invalid PerfId\r | |
407 | \r | |
408 | **/\r | |
409 | RETURN_STATUS\r | |
410 | EFIAPI\r | |
411 | LogPerformanceMeasurement (\r | |
412 | IN CONST VOID *CallerIdentifier,\r | |
e3917e22 MK |
413 | IN CONST VOID *Guid OPTIONAL,\r |
414 | IN CONST CHAR8 *String OPTIONAL,\r | |
415 | IN UINT64 Address OPTIONAL,\r | |
6b4d58a1 BD |
416 | IN UINT32 Identifier\r |
417 | )\r | |
418 | {\r | |
419 | EFI_STATUS Status;\r | |
420 | \r | |
421 | Status = GetPerformanceMeasurementProtocol ();\r | |
422 | if (EFI_ERROR (Status)) {\r | |
423 | return RETURN_OUT_OF_RESOURCES;\r | |
424 | }\r | |
425 | \r | |
426 | if (mPerformanceMeasurement != NULL) {\r | |
427 | Status = mPerformanceMeasurement->CreatePerformanceMeasurement (CallerIdentifier, Guid, String, 0, Address, Identifier, PerfEntry);\r | |
428 | } else {\r | |
429 | ASSERT (FALSE);\r | |
430 | }\r | |
431 | \r | |
1436aea4 | 432 | return (RETURN_STATUS)Status;\r |
6b4d58a1 BD |
433 | }\r |
434 | \r | |
435 | /**\r | |
436 | Check whether the specified performance measurement can be logged.\r | |
437 | \r | |
438 | This function returns TRUE when the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set\r | |
439 | and the Type disable bit in PcdPerformanceLibraryPropertyMask is not set.\r | |
440 | \r | |
441 | @param Type - Type of the performance measurement entry.\r | |
442 | \r | |
443 | @retval TRUE The performance measurement can be logged.\r | |
444 | @retval FALSE The performance measurement can NOT be logged.\r | |
445 | \r | |
446 | **/\r | |
447 | BOOLEAN\r | |
448 | EFIAPI\r | |
449 | LogPerformanceMeasurementEnabled (\r | |
1436aea4 | 450 | IN CONST UINTN Type\r |
6b4d58a1 BD |
451 | )\r |
452 | {\r | |
453 | //\r | |
454 | // When Performance measurement is enabled and the type is not filtered, the performance can be logged.\r | |
455 | //\r | |
1436aea4 | 456 | if (PerformanceMeasurementEnabled () && ((PcdGet8 (PcdPerformanceLibraryPropertyMask) & Type) == 0)) {\r |
6b4d58a1 BD |
457 | return TRUE;\r |
458 | }\r | |
1436aea4 | 459 | \r |
6b4d58a1 BD |
460 | return FALSE;\r |
461 | }\r |