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5c08e117 | 1 | /** @file\r |
2 | This file include the file which can help to get the system\r | |
3 | performance, all the function will only include if the performance\r | |
4 | switch is set.\r | |
5 | \r | |
6 | Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r | |
7 | All rights reserved. This program and the accompanying materials\r | |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #include "InternalBdsLib.h"\r | |
18 | \r | |
19 | PERF_HEADER mPerfHeader;\r | |
20 | PERF_DATA mPerfData;\r | |
21 | \r | |
22 | /**\r | |
23 | Get the short verion of PDB file name to be\r | |
24 | used in performance data logging.\r | |
25 | \r | |
26 | @param PdbFileName The long PDB file name.\r | |
27 | @param GaugeString The output string to be logged by performance logger.\r | |
28 | \r | |
29 | **/\r | |
30 | VOID\r | |
31 | GetShortPdbFileName (\r | |
32 | IN CONST CHAR8 *PdbFileName,\r | |
33 | OUT CHAR8 *GaugeString\r | |
34 | )\r | |
35 | {\r | |
36 | UINTN Index;\r | |
37 | UINTN Index1;\r | |
38 | UINTN StartIndex;\r | |
39 | UINTN EndIndex;\r | |
40 | \r | |
41 | if (PdbFileName == NULL) {\r | |
42 | AsciiStrCpy (GaugeString, " ");\r | |
43 | } else {\r | |
44 | StartIndex = 0;\r | |
45 | for (EndIndex = 0; PdbFileName[EndIndex] != 0; EndIndex++)\r | |
46 | ;\r | |
47 | \r | |
48 | for (Index = 0; PdbFileName[Index] != 0; Index++) {\r | |
49 | if (PdbFileName[Index] == '\\') {\r | |
50 | StartIndex = Index + 1;\r | |
51 | }\r | |
52 | \r | |
53 | if (PdbFileName[Index] == '.') {\r | |
54 | EndIndex = Index;\r | |
55 | }\r | |
56 | }\r | |
57 | \r | |
58 | Index1 = 0;\r | |
59 | for (Index = StartIndex; Index < EndIndex; Index++) {\r | |
60 | GaugeString[Index1] = PdbFileName[Index];\r | |
61 | Index1++;\r | |
62 | if (Index1 == PERF_TOKEN_LENGTH - 1) {\r | |
63 | break;\r | |
64 | }\r | |
65 | }\r | |
66 | \r | |
67 | GaugeString[Index1] = 0;\r | |
68 | }\r | |
69 | \r | |
70 | return ;\r | |
71 | }\r | |
72 | \r | |
73 | /**\r | |
74 | Get the name from the Driver handle, which can be a handle with\r | |
75 | EFI_LOADED_IMAGE_PROTOCOL or EFI_DRIVER_BINDING_PROTOCOL installed.\r | |
76 | This name can be used in performance data logging.\r | |
77 | \r | |
78 | @param Handle Driver handle.\r | |
79 | @param GaugeString The output string to be logged by performance logger.\r | |
80 | \r | |
81 | **/\r | |
82 | VOID\r | |
83 | GetNameFromHandle (\r | |
84 | IN EFI_HANDLE Handle,\r | |
85 | OUT CHAR8 *GaugeString\r | |
86 | )\r | |
87 | {\r | |
88 | EFI_STATUS Status;\r | |
89 | EFI_LOADED_IMAGE_PROTOCOL *Image;\r | |
90 | CHAR8 *PdbFileName;\r | |
91 | EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;\r | |
92 | \r | |
93 | AsciiStrCpy (GaugeString, " ");\r | |
94 | \r | |
95 | //\r | |
96 | // Get handle name from image protocol\r | |
97 | //\r | |
98 | Status = gBS->HandleProtocol (\r | |
99 | Handle,\r | |
100 | &gEfiLoadedImageProtocolGuid,\r | |
101 | (VOID **) &Image\r | |
102 | );\r | |
103 | \r | |
104 | if (EFI_ERROR (Status)) {\r | |
105 | Status = gBS->OpenProtocol (\r | |
106 | Handle,\r | |
107 | &gEfiDriverBindingProtocolGuid,\r | |
108 | (VOID **) &DriverBinding,\r | |
109 | NULL,\r | |
110 | NULL,\r | |
111 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
112 | );\r | |
113 | if (EFI_ERROR (Status)) {\r | |
114 | return ;\r | |
115 | }\r | |
116 | //\r | |
117 | // Get handle name from image protocol\r | |
118 | //\r | |
119 | Status = gBS->HandleProtocol (\r | |
120 | DriverBinding->ImageHandle,\r | |
121 | &gEfiLoadedImageProtocolGuid,\r | |
122 | (VOID **) &Image\r | |
123 | );\r | |
124 | }\r | |
125 | \r | |
126 | PdbFileName = PeCoffLoaderGetPdbPointer (Image->ImageBase);\r | |
127 | \r | |
128 | if (PdbFileName != NULL) {\r | |
129 | GetShortPdbFileName (PdbFileName, GaugeString);\r | |
130 | }\r | |
131 | \r | |
132 | return ;\r | |
133 | }\r | |
134 | \r | |
135 | /**\r | |
136 | \r | |
137 | Allocates a block of memory and writes performance data of booting into it.\r | |
138 | OS can processing these record.\r | |
139 | \r | |
140 | **/\r | |
141 | VOID\r | |
142 | WriteBootToOsPerformanceData (\r | |
143 | VOID\r | |
144 | )\r | |
145 | {\r | |
146 | EFI_STATUS Status;\r | |
147 | EFI_PHYSICAL_ADDRESS AcpiLowMemoryBase;\r | |
148 | UINT32 AcpiLowMemoryLength;\r | |
149 | UINT32 LimitCount;\r | |
150 | EFI_HANDLE *Handles;\r | |
151 | UINTN NoHandles;\r | |
152 | CHAR8 GaugeString[PERF_TOKEN_LENGTH];\r | |
153 | UINT8 *Ptr;\r | |
154 | UINT32 Index;\r | |
155 | UINT64 Ticker;\r | |
156 | UINT64 Freq;\r | |
157 | UINT32 Duration;\r | |
158 | UINTN LogEntryKey;\r | |
159 | CONST VOID *Handle;\r | |
160 | CONST CHAR8 *Token;\r | |
161 | CONST CHAR8 *Module;\r | |
162 | UINT64 StartTicker;\r | |
163 | UINT64 EndTicker;\r | |
164 | UINT64 StartValue;\r | |
165 | UINT64 EndValue;\r | |
166 | BOOLEAN CountUp;\r | |
167 | \r | |
168 | //\r | |
6055758f | 169 | // Retrieve time stamp count as early as possible\r |
5c08e117 | 170 | //\r |
171 | Ticker = GetPerformanceCounter ();\r | |
172 | \r | |
173 | Freq = GetPerformanceCounterProperties (&StartValue, &EndValue);\r | |
174 | \r | |
175 | Freq = DivU64x32 (Freq, 1000);\r | |
176 | \r | |
177 | mPerfHeader.CpuFreq = Freq;\r | |
178 | \r | |
179 | //\r | |
180 | // Record BDS raw performance data\r | |
181 | //\r | |
182 | if (EndValue >= StartValue) {\r | |
183 | mPerfHeader.BDSRaw = Ticker - StartValue;\r | |
184 | CountUp = TRUE;\r | |
185 | } else {\r | |
186 | mPerfHeader.BDSRaw = StartValue - Ticker;\r | |
187 | CountUp = FALSE;\r | |
188 | }\r | |
189 | \r | |
190 | AcpiLowMemoryLength = 0x2000;\r | |
191 | \r | |
192 | //\r | |
193 | // Allocate a block of memory that contain performance data to OS\r | |
194 | //\r | |
195 | Status = gBS->AllocatePages (\r | |
196 | AllocateAnyPages,\r | |
197 | EfiACPIReclaimMemory,\r | |
198 | EFI_SIZE_TO_PAGES (AcpiLowMemoryLength),\r | |
199 | &AcpiLowMemoryBase\r | |
200 | );\r | |
201 | if (EFI_ERROR (Status)) {\r | |
202 | return ;\r | |
203 | }\r | |
204 | \r | |
205 | \r | |
206 | Ptr = (UINT8 *) ((UINT32) AcpiLowMemoryBase + sizeof (PERF_HEADER));\r | |
207 | LimitCount = (AcpiLowMemoryLength - sizeof (PERF_HEADER)) / sizeof (PERF_DATA);\r | |
208 | \r | |
209 | //\r | |
210 | // Put Detailed performance data into memory\r | |
211 | //\r | |
212 | Handles = NULL;\r | |
213 | Status = gBS->LocateHandleBuffer (\r | |
214 | AllHandles,\r | |
215 | NULL,\r | |
216 | NULL,\r | |
217 | &NoHandles,\r | |
218 | &Handles\r | |
219 | );\r | |
220 | if (EFI_ERROR (Status)) {\r | |
221 | gBS->FreePages (AcpiLowMemoryBase, 1);\r | |
222 | return ;\r | |
223 | }\r | |
224 | \r | |
225 | //\r | |
226 | // Get DXE drivers performance\r | |
227 | //\r | |
228 | for (Index = 0; Index < NoHandles; Index++) {\r | |
229 | Ticker = 0;\r | |
230 | LogEntryKey = 0;\r | |
231 | while ((LogEntryKey = GetPerformanceMeasurement (\r | |
232 | LogEntryKey,\r | |
233 | &Handle,\r | |
234 | &Token,\r | |
235 | &Module,\r | |
236 | &StartTicker,\r | |
237 | &EndTicker)) != 0) {\r | |
238 | if ((Handle == Handles[Index]) && (EndTicker != 0)) {\r | |
239 | Ticker += CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker);\r | |
240 | }\r | |
241 | }\r | |
242 | \r | |
243 | Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq);\r | |
244 | \r | |
245 | if (Duration > 0) {\r | |
246 | \r | |
247 | GetNameFromHandle (Handles[Index], GaugeString);\r | |
248 | \r | |
249 | AsciiStrCpy (mPerfData.Token, GaugeString);\r | |
250 | mPerfData.Duration = Duration;\r | |
251 | \r | |
252 | CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));\r | |
253 | Ptr += sizeof (PERF_DATA);\r | |
254 | \r | |
255 | mPerfHeader.Count++;\r | |
256 | if (mPerfHeader.Count == LimitCount) {\r | |
257 | goto Done;\r | |
258 | }\r | |
259 | }\r | |
260 | }\r | |
261 | \r | |
262 | FreePool (Handles);\r | |
263 | \r | |
264 | //\r | |
265 | // Get inserted performance data\r | |
266 | //\r | |
267 | LogEntryKey = 0;\r | |
268 | while ((LogEntryKey = GetPerformanceMeasurement (\r | |
269 | LogEntryKey,\r | |
270 | &Handle,\r | |
271 | &Token,\r | |
272 | &Module,\r | |
273 | &StartTicker,\r | |
274 | &EndTicker)) != 0) {\r | |
275 | if (Handle == NULL && EndTicker != 0) {\r | |
276 | \r | |
277 | ZeroMem (&mPerfData, sizeof (PERF_DATA));\r | |
278 | \r | |
279 | AsciiStrnCpy (mPerfData.Token, Token, PERF_TOKEN_LENGTH);\r | |
280 | Ticker = CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker);\r | |
281 | \r | |
282 | mPerfData.Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq);\r | |
283 | \r | |
284 | CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));\r | |
285 | Ptr += sizeof (PERF_DATA);\r | |
286 | \r | |
287 | mPerfHeader.Count++;\r | |
288 | if (mPerfHeader.Count == LimitCount) {\r | |
289 | goto Done;\r | |
290 | }\r | |
291 | }\r | |
292 | }\r | |
293 | \r | |
294 | Done:\r | |
295 | \r | |
296 | mPerfHeader.Signiture = PERFORMANCE_SIGNATURE;\r | |
297 | \r | |
298 | //\r | |
299 | // Put performance data to ACPI memory\r | |
300 | //\r | |
301 | CopyMem (\r | |
302 | (UINTN *) (UINTN) AcpiLowMemoryBase,\r | |
303 | &mPerfHeader,\r | |
304 | sizeof (PERF_HEADER)\r | |
305 | );\r | |
306 | \r | |
307 | gRT->SetVariable (\r | |
308 | L"PerfDataMemAddr",\r | |
6055758f | 309 | &gPerformanceProtocolGuid,\r |
5c08e117 | 310 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r |
311 | sizeof (EFI_PHYSICAL_ADDRESS),\r | |
312 | &AcpiLowMemoryBase\r | |
313 | );\r | |
314 | \r | |
315 | return ;\r | |
316 | }\r |