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