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878ddf1f | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | Performance.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | This file include the file which can help to get the system\r | |
19 | performance, all the function will only include if the performance\r | |
20 | switch is set.\r | |
21 | \r | |
22 | --*/\r | |
23 | \r | |
24 | #include "Performance.h"\r | |
25 | \r | |
26 | VOID\r | |
27 | ClearDebugRegisters (\r | |
28 | VOID\r | |
29 | )\r | |
30 | {\r | |
2ce31132 | 31 | //\r |
32 | // BugBug: We should not need to do this. We need to root cause this bug!!!!\r | |
33 | //\r | |
878ddf1f | 34 | AsmWriteDr0 (0);\r |
35 | AsmWriteDr1 (0);\r | |
36 | }\r | |
37 | \r | |
38 | STATIC\r | |
39 | VOID\r | |
40 | GetShortPdbFileName (\r | |
41 | CHAR8 *PdbFileName,\r | |
42 | CHAR8 *GaugeString\r | |
43 | )\r | |
44 | /*++\r | |
45 | \r | |
46 | Routine Description:\r | |
47 | \r | |
48 | Arguments:\r | |
49 | \r | |
50 | Returns:\r | |
51 | \r | |
52 | --*/\r | |
53 | {\r | |
54 | UINTN Index;\r | |
55 | UINTN Index1;\r | |
56 | UINTN StartIndex;\r | |
57 | UINTN EndIndex;\r | |
58 | \r | |
59 | if (PdbFileName == NULL) {\r | |
60 | AsciiStrCpy (GaugeString, " ");\r | |
61 | } else {\r | |
62 | StartIndex = 0;\r | |
63 | for (EndIndex = 0; PdbFileName[EndIndex] != 0; EndIndex++)\r | |
64 | ;\r | |
65 | \r | |
66 | for (Index = 0; PdbFileName[Index] != 0; Index++) {\r | |
67 | if (PdbFileName[Index] == '\\') {\r | |
68 | StartIndex = Index + 1;\r | |
69 | }\r | |
70 | \r | |
71 | if (PdbFileName[Index] == '.') {\r | |
72 | EndIndex = Index;\r | |
73 | }\r | |
74 | }\r | |
75 | \r | |
76 | Index1 = 0;\r | |
77 | for (Index = StartIndex; Index < EndIndex; Index++) {\r | |
78 | GaugeString[Index1] = PdbFileName[Index];\r | |
79 | Index1++;\r | |
80 | if (Index1 == PERF_TOKEN_LENGTH - 1) {\r | |
81 | break;\r | |
82 | }\r | |
83 | }\r | |
84 | \r | |
85 | GaugeString[Index1] = 0;\r | |
86 | }\r | |
87 | \r | |
88 | return ;\r | |
89 | }\r | |
90 | \r | |
2ce31132 | 91 | \r |
92 | \r | |
878ddf1f | 93 | STATIC\r |
94 | CHAR8 *\r | |
95 | GetPdbPath (\r | |
96 | VOID *ImageBase\r | |
97 | )\r | |
98 | /*++\r | |
99 | \r | |
100 | Routine Description:\r | |
101 | \r | |
102 | Located PDB path name in PE image\r | |
103 | \r | |
104 | Arguments:\r | |
105 | \r | |
106 | ImageBase - base of PE to search\r | |
107 | \r | |
108 | Returns:\r | |
109 | \r | |
110 | Pointer into image at offset of PDB file name if PDB file name is found,\r | |
111 | Otherwise a pointer to an empty string.\r | |
112 | \r | |
113 | --*/\r | |
114 | {\r | |
2ce31132 | 115 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r |
116 | \r | |
117 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
118 | ImageContext.Handle = ImageBase;\r | |
119 | ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;\r | |
878ddf1f | 120 | \r |
2ce31132 | 121 | PeCoffLoaderGetImageInfo (&ImageContext);\r |
122 | \r | |
123 | return ImageContext.PdbPointer;\r | |
878ddf1f | 124 | }\r |
125 | \r | |
2ce31132 | 126 | \r |
878ddf1f | 127 | STATIC\r |
128 | VOID\r | |
129 | GetNameFromHandle (\r | |
130 | IN EFI_HANDLE Handle,\r | |
131 | OUT CHAR8 *GaugeString\r | |
132 | )\r | |
133 | {\r | |
134 | EFI_STATUS Status;\r | |
135 | EFI_LOADED_IMAGE_PROTOCOL *Image;\r | |
136 | CHAR8 *PdbFileName;\r | |
137 | EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;\r | |
138 | \r | |
139 | AsciiStrCpy (GaugeString, " ");\r | |
140 | \r | |
141 | //\r | |
142 | // Get handle name from image protocol\r | |
143 | //\r | |
144 | Status = gBS->HandleProtocol (\r | |
145 | Handle,\r | |
146 | &gEfiLoadedImageProtocolGuid,\r | |
147 | &Image\r | |
148 | );\r | |
149 | \r | |
150 | if (EFI_ERROR (Status)) {\r | |
151 | Status = gBS->OpenProtocol (\r | |
152 | Handle,\r | |
153 | &gEfiDriverBindingProtocolGuid,\r | |
154 | (VOID **) &DriverBinding,\r | |
155 | NULL,\r | |
156 | NULL,\r | |
157 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
158 | );\r | |
159 | if (EFI_ERROR (Status)) {\r | |
160 | return ;\r | |
161 | }\r | |
162 | //\r | |
163 | // Get handle name from image protocol\r | |
164 | //\r | |
165 | Status = gBS->HandleProtocol (\r | |
166 | DriverBinding->ImageHandle,\r | |
167 | &gEfiLoadedImageProtocolGuid,\r | |
168 | &Image\r | |
169 | );\r | |
170 | }\r | |
171 | \r | |
172 | PdbFileName = GetPdbPath (Image->ImageBase);\r | |
173 | \r | |
174 | if (PdbFileName != NULL) {\r | |
175 | GetShortPdbFileName (PdbFileName, GaugeString);\r | |
176 | }\r | |
177 | \r | |
178 | return ;\r | |
179 | }\r | |
180 | \r | |
181 | \r | |
182 | \r | |
183 | VOID\r | |
184 | WriteBootToOsPerformanceData (\r | |
185 | VOID\r | |
186 | )\r | |
187 | /*++\r | |
188 | \r | |
189 | Routine Description:\r | |
190 | \r | |
191 | Allocates a block of memory and writes performance data of booting to OS into it.\r | |
192 | \r | |
193 | Arguments:\r | |
194 | \r | |
195 | None\r | |
196 | \r | |
197 | Returns:\r | |
198 | \r | |
199 | None\r | |
200 | \r | |
201 | --*/\r | |
202 | {\r | |
203 | EFI_STATUS Status;\r | |
204 | EFI_CPU_ARCH_PROTOCOL *Cpu;\r | |
205 | EFI_PHYSICAL_ADDRESS mAcpiLowMemoryBase;\r | |
206 | UINT32 mAcpiLowMemoryLength;\r | |
207 | UINT32 LimitCount;\r | |
208 | PERF_HEADER mPerfHeader;\r | |
209 | PERF_DATA mPerfData;\r | |
210 | EFI_HANDLE *Handles;\r | |
211 | UINTN NoHandles;\r | |
212 | CHAR8 GaugeString[PERF_TOKEN_LENGTH];\r | |
213 | UINT8 *Ptr;\r | |
214 | UINT32 mIndex;\r | |
215 | UINT64 Ticker;\r | |
216 | UINT64 Freq;\r | |
217 | UINT32 Duration;\r | |
218 | UINT64 CurrentTicker;\r | |
219 | UINT64 TimerPeriod;\r | |
220 | UINTN LogEntryKey;\r | |
221 | CONST VOID *Handle;\r | |
222 | CONST CHAR8 *Token;\r | |
223 | CONST CHAR8 *Module;\r | |
224 | UINT64 StartTicker;\r | |
225 | UINT64 EndTicker;\r | |
226 | \r | |
227 | //\r | |
228 | // Retrive time stamp count as early as possilbe\r | |
229 | //\r | |
230 | Ticker = AsmReadTsc ();\r | |
231 | \r | |
232 | //\r | |
233 | // Allocate a block of memory that contain performance data to OS\r | |
234 | //\r | |
235 | Status = gBS->AllocatePages (\r | |
236 | AllocateAnyPages,\r | |
237 | EfiACPIReclaimMemory,\r | |
238 | 4,\r | |
239 | &mAcpiLowMemoryBase\r | |
240 | );\r | |
241 | if (EFI_ERROR (Status)) {\r | |
242 | return ;\r | |
243 | }\r | |
244 | \r | |
245 | mAcpiLowMemoryLength = 0x1000;\r | |
246 | \r | |
247 | Ptr = (UINT8 *) ((UINT32) mAcpiLowMemoryBase + sizeof (PERF_HEADER));\r | |
248 | LimitCount = (mAcpiLowMemoryLength - sizeof (PERF_HEADER)) / sizeof (PERF_DATA);\r | |
249 | \r | |
250 | //\r | |
251 | // Initialize performance data structure\r | |
252 | //\r | |
253 | ZeroMem (&mPerfHeader, sizeof (PERF_HEADER));\r | |
254 | \r | |
255 | //\r | |
256 | // Get CPU frequency\r | |
257 | //\r | |
258 | Status = gBS->LocateProtocol (\r | |
259 | &gEfiCpuArchProtocolGuid,\r | |
260 | NULL,\r | |
261 | &Cpu\r | |
262 | );\r | |
263 | if (EFI_ERROR (Status)) {\r | |
264 | gBS->FreePages (mAcpiLowMemoryBase, 1);\r | |
265 | return ;\r | |
266 | }\r | |
267 | //\r | |
268 | // Get Cpu Frequency\r | |
269 | //\r | |
270 | Status = Cpu->GetTimerValue (Cpu, 0, &(CurrentTicker), &TimerPeriod);\r | |
271 | if (EFI_ERROR (Status)) {\r | |
272 | gBS->FreePages (mAcpiLowMemoryBase, 1);\r | |
273 | return ;\r | |
274 | }\r | |
275 | \r | |
276 | Freq = DivU64x32 (1000000000000, (UINTN) TimerPeriod);\r | |
277 | \r | |
278 | mPerfHeader.CpuFreq = Freq;\r | |
279 | \r | |
280 | //\r | |
281 | // Record BDS raw performance data\r | |
282 | //\r | |
283 | mPerfHeader.BDSRaw = Ticker;\r | |
284 | \r | |
285 | //\r | |
286 | // Put Detailed performance data into memory\r | |
287 | //\r | |
288 | Handles = NULL;\r | |
289 | Status = gBS->LocateHandleBuffer (\r | |
290 | AllHandles,\r | |
291 | NULL,\r | |
292 | NULL,\r | |
293 | &NoHandles,\r | |
294 | &Handles\r | |
295 | );\r | |
296 | if (EFI_ERROR (Status)) {\r | |
297 | gBS->FreePages (mAcpiLowMemoryBase, 1);\r | |
298 | return ;\r | |
299 | }\r | |
300 | //\r | |
301 | // Get DXE drivers performance\r | |
302 | //\r | |
303 | for (mIndex = 0; mIndex < NoHandles; mIndex++) {\r | |
304 | Ticker = 0;\r | |
305 | LogEntryKey = 0;\r | |
306 | while ((LogEntryKey = GetPerformanceMeasurement (\r | |
307 | LogEntryKey,\r | |
308 | &Handle,\r | |
309 | &Token,\r | |
310 | &Module,\r | |
311 | &StartTicker,\r | |
312 | &EndTicker)) != 0) {\r | |
313 | if ((Handle == Handles[mIndex]) && (StartTicker < EndTicker)) {\r | |
314 | Ticker += (EndTicker - StartTicker);\r | |
315 | }\r | |
316 | }\r | |
317 | \r | |
318 | Duration = (UINT32) DivU64x32 (\r | |
319 | Ticker,\r | |
320 | (UINT32) Freq\r | |
321 | );\r | |
322 | \r | |
323 | if (Duration > 0) {\r | |
324 | ZeroMem (&mPerfData, sizeof (PERF_DATA));\r | |
325 | \r | |
326 | GetNameFromHandle (Handles[mIndex], GaugeString);\r | |
327 | \r | |
328 | AsciiStrCpy (mPerfData.Token, GaugeString);\r | |
329 | mPerfData.Duration = Duration;\r | |
330 | \r | |
331 | CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));\r | |
332 | Ptr += sizeof (PERF_DATA);\r | |
333 | \r | |
334 | mPerfHeader.Count++;\r | |
335 | if (mPerfHeader.Count == LimitCount) {\r | |
336 | goto Done;\r | |
337 | }\r | |
338 | }\r | |
339 | }\r | |
340 | \r | |
341 | gBS->FreePool (Handles);\r | |
342 | \r | |
343 | //\r | |
344 | // Get inserted performance data\r | |
345 | //\r | |
346 | LogEntryKey = 0;\r | |
347 | while ((LogEntryKey = GetPerformanceMeasurement (\r | |
348 | LogEntryKey,\r | |
349 | &Handle,\r | |
350 | &Token,\r | |
351 | &Module,\r | |
352 | &StartTicker,\r | |
353 | &EndTicker)) != 0) {\r | |
354 | if ((Handle == NULL) && (StartTicker <= EndTicker)) {\r | |
355 | \r | |
356 | ZeroMem (&mPerfData, sizeof (PERF_DATA));\r | |
357 | \r | |
358 | AsciiStrnCpy (mPerfData.Token, Token, DXE_PERFORMANCE_STRING_SIZE);\r | |
359 | mPerfData.Duration = (UINT32) DivU64x32 (\r | |
360 | EndTicker - StartTicker,\r | |
361 | (UINT32) Freq\r | |
362 | );\r | |
363 | \r | |
364 | CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));\r | |
365 | Ptr += sizeof (PERF_DATA);\r | |
366 | \r | |
367 | mPerfHeader.Count++;\r | |
368 | if (mPerfHeader.Count == LimitCount) {\r | |
369 | goto Done;\r | |
370 | }\r | |
371 | }\r | |
372 | }\r | |
373 | \r | |
374 | Done:\r | |
375 | \r | |
376 | ClearDebugRegisters ();\r | |
377 | \r | |
378 | mPerfHeader.Signiture = 0x66726550;\r | |
379 | \r | |
380 | //\r | |
381 | // Put performance data to memory\r | |
382 | //\r | |
383 | CopyMem (\r | |
384 | (UINT32 *) (UINT32) mAcpiLowMemoryBase,\r | |
385 | &mPerfHeader,\r | |
386 | sizeof (PERF_HEADER)\r | |
387 | );\r | |
388 | \r | |
389 | gRT->SetVariable (\r | |
390 | L"PerfDataMemAddr",\r | |
391 | &gEfiGlobalVariableGuid,\r | |
392 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
393 | sizeof (UINT32),\r | |
394 | (VOID *) &mAcpiLowMemoryBase\r | |
395 | );\r | |
396 | \r | |
397 | return ;\r | |
398 | }\r |