]>
Commit | Line | Data |
---|---|---|
067ed98a RN |
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 - 2015, Intel Corporation. All rights reserved.<BR>\r | |
7 | 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 "InternalBm.h"\r | |
18 | \r | |
19 | PERF_HEADER mBmPerfHeader;\r | |
20 | PERF_DATA mBmPerfData;\r | |
21 | EFI_PHYSICAL_ADDRESS mBmAcpiLowMemoryBase = 0x0FFFFFFFFULL;\r | |
22 | \r | |
23 | /**\r | |
24 | Get the short verion of PDB file name to be\r | |
25 | used in performance data logging.\r | |
26 | \r | |
27 | @param PdbFileName The long PDB file name.\r | |
28 | @param GaugeString The output string to be logged by performance logger.\r | |
b6344b37 | 29 | @param StringSize The buffer size of GaugeString in bytes.\r |
067ed98a RN |
30 | \r |
31 | **/\r | |
32 | VOID\r | |
33 | BmGetShortPdbFileName (\r | |
34 | IN CONST CHAR8 *PdbFileName,\r | |
b6344b37 QS |
35 | OUT CHAR8 *GaugeString,\r |
36 | IN UINTN StringSize\r | |
067ed98a RN |
37 | )\r |
38 | {\r | |
39 | UINTN Index;\r | |
40 | UINTN Index1;\r | |
41 | UINTN StartIndex;\r | |
42 | UINTN EndIndex;\r | |
43 | \r | |
44 | if (PdbFileName == NULL) {\r | |
b6344b37 | 45 | AsciiStrCpyS (GaugeString, StringSize, " ");\r |
067ed98a RN |
46 | } else {\r |
47 | StartIndex = 0;\r | |
48 | for (EndIndex = 0; PdbFileName[EndIndex] != 0; EndIndex++)\r | |
49 | ;\r | |
50 | \r | |
51 | for (Index = 0; PdbFileName[Index] != 0; Index++) {\r | |
52 | if (PdbFileName[Index] == '\\') {\r | |
53 | StartIndex = Index + 1;\r | |
54 | }\r | |
55 | \r | |
56 | if (PdbFileName[Index] == '.') {\r | |
57 | EndIndex = Index;\r | |
58 | }\r | |
59 | }\r | |
60 | \r | |
61 | Index1 = 0;\r | |
62 | for (Index = StartIndex; Index < EndIndex; Index++) {\r | |
63 | GaugeString[Index1] = PdbFileName[Index];\r | |
64 | Index1++;\r | |
2f931dda | 65 | if (Index1 == StringSize - 1) {\r |
067ed98a RN |
66 | break;\r |
67 | }\r | |
68 | }\r | |
69 | \r | |
70 | GaugeString[Index1] = 0;\r | |
71 | }\r | |
72 | \r | |
73 | return ;\r | |
74 | }\r | |
75 | \r | |
76 | /**\r | |
77 | Get the name from the Driver handle, which can be a handle with\r | |
78 | EFI_LOADED_IMAGE_PROTOCOL or EFI_DRIVER_BINDING_PROTOCOL installed.\r | |
79 | This name can be used in performance data logging.\r | |
80 | \r | |
81 | @param Handle Driver handle.\r | |
82 | @param GaugeString The output string to be logged by performance logger.\r | |
b6344b37 | 83 | @param StringSize The buffer size of GaugeString in bytes.\r |
067ed98a RN |
84 | \r |
85 | **/\r | |
86 | VOID\r | |
87 | BmGetNameFromHandle (\r | |
88 | IN EFI_HANDLE Handle,\r | |
b6344b37 QS |
89 | OUT CHAR8 *GaugeString,\r |
90 | IN UINTN StringSize\r | |
067ed98a RN |
91 | )\r |
92 | {\r | |
93 | EFI_STATUS Status;\r | |
94 | EFI_LOADED_IMAGE_PROTOCOL *Image;\r | |
95 | CHAR8 *PdbFileName;\r | |
96 | EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;\r | |
97 | \r | |
b6344b37 | 98 | AsciiStrCpyS (GaugeString, StringSize, " ");\r |
067ed98a RN |
99 | \r |
100 | //\r | |
101 | // Get handle name from image protocol\r | |
102 | //\r | |
103 | Status = gBS->HandleProtocol (\r | |
104 | Handle,\r | |
105 | &gEfiLoadedImageProtocolGuid,\r | |
106 | (VOID **) &Image\r | |
107 | );\r | |
108 | \r | |
109 | if (EFI_ERROR (Status)) {\r | |
110 | Status = gBS->OpenProtocol (\r | |
111 | Handle,\r | |
112 | &gEfiDriverBindingProtocolGuid,\r | |
113 | (VOID **) &DriverBinding,\r | |
114 | NULL,\r | |
115 | NULL,\r | |
116 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
117 | );\r | |
118 | if (EFI_ERROR (Status)) {\r | |
119 | return ;\r | |
120 | }\r | |
121 | //\r | |
122 | // Get handle name from image protocol\r | |
123 | //\r | |
124 | Status = gBS->HandleProtocol (\r | |
125 | DriverBinding->ImageHandle,\r | |
126 | &gEfiLoadedImageProtocolGuid,\r | |
127 | (VOID **) &Image\r | |
128 | );\r | |
129 | }\r | |
130 | \r | |
131 | PdbFileName = PeCoffLoaderGetPdbPointer (Image->ImageBase);\r | |
132 | \r | |
133 | if (PdbFileName != NULL) {\r | |
b6344b37 | 134 | BmGetShortPdbFileName (PdbFileName, GaugeString, StringSize);\r |
067ed98a RN |
135 | }\r |
136 | \r | |
137 | return ;\r | |
138 | }\r | |
139 | \r | |
140 | /**\r | |
141 | \r | |
142 | Writes performance data of booting into the allocated memory.\r | |
143 | OS can process these records.\r | |
144 | \r | |
145 | @param Event The triggered event.\r | |
146 | @param Context Context for this event.\r | |
147 | \r | |
148 | **/\r | |
149 | VOID\r | |
150 | EFIAPI\r | |
151 | BmWriteBootToOsPerformanceData (\r | |
152 | IN EFI_EVENT Event,\r | |
153 | IN VOID *Context\r | |
154 | )\r | |
155 | {\r | |
156 | EFI_STATUS Status;\r | |
157 | UINT32 LimitCount;\r | |
158 | EFI_HANDLE *Handles;\r | |
159 | UINTN NoHandles;\r | |
2f931dda | 160 | CHAR8 GaugeString[PERF_TOKEN_SIZE];\r |
067ed98a RN |
161 | UINT8 *Ptr;\r |
162 | UINT32 Index;\r | |
163 | UINT64 Ticker;\r | |
164 | UINT64 Freq;\r | |
165 | UINT32 Duration;\r | |
166 | UINTN LogEntryKey;\r | |
167 | CONST VOID *Handle;\r | |
168 | CONST CHAR8 *Token;\r | |
169 | CONST CHAR8 *Module;\r | |
170 | UINT64 StartTicker;\r | |
171 | UINT64 EndTicker;\r | |
172 | UINT64 StartValue;\r | |
173 | UINT64 EndValue;\r | |
174 | BOOLEAN CountUp;\r | |
067ed98a | 175 | UINTN VarSize;\r |
2f931dda | 176 | BOOLEAN Found;\r |
067ed98a RN |
177 | \r |
178 | //\r | |
179 | // Record the performance data for End of BDS\r | |
180 | //\r | |
181 | PERF_END(NULL, "BDS", NULL, 0);\r | |
182 | \r | |
183 | //\r | |
184 | // Retrieve time stamp count as early as possible\r | |
185 | //\r | |
186 | Ticker = GetPerformanceCounter ();\r | |
187 | \r | |
188 | Freq = GetPerformanceCounterProperties (&StartValue, &EndValue);\r | |
189 | \r | |
190 | Freq = DivU64x32 (Freq, 1000);\r | |
191 | \r | |
192 | mBmPerfHeader.CpuFreq = Freq;\r | |
193 | \r | |
194 | //\r | |
195 | // Record BDS raw performance data\r | |
196 | //\r | |
197 | if (EndValue >= StartValue) {\r | |
198 | mBmPerfHeader.BDSRaw = Ticker - StartValue;\r | |
199 | CountUp = TRUE;\r | |
200 | } else {\r | |
201 | mBmPerfHeader.BDSRaw = StartValue - Ticker;\r | |
202 | CountUp = FALSE;\r | |
203 | }\r | |
204 | \r | |
2f931dda SZ |
205 | //\r |
206 | // Reset the entry count\r | |
207 | //\r | |
208 | mBmPerfHeader.Count = 0;\r | |
209 | \r | |
067ed98a RN |
210 | if (mBmAcpiLowMemoryBase == 0x0FFFFFFFF) {\r |
211 | VarSize = sizeof (EFI_PHYSICAL_ADDRESS);\r | |
212 | Status = gRT->GetVariable (\r | |
213 | L"PerfDataMemAddr",\r | |
214 | &gPerformanceProtocolGuid,\r | |
215 | NULL,\r | |
216 | &VarSize,\r | |
217 | &mBmAcpiLowMemoryBase\r | |
218 | );\r | |
219 | if (EFI_ERROR (Status)) {\r | |
220 | //\r | |
221 | // Fail to get the variable, return.\r | |
222 | //\r | |
223 | return;\r | |
224 | }\r | |
225 | }\r | |
226 | \r | |
227 | //\r | |
228 | // Put Detailed performance data into memory\r | |
229 | //\r | |
230 | Handles = NULL;\r | |
231 | Status = gBS->LocateHandleBuffer (\r | |
232 | AllHandles,\r | |
233 | NULL,\r | |
234 | NULL,\r | |
235 | &NoHandles,\r | |
236 | &Handles\r | |
237 | );\r | |
238 | if (EFI_ERROR (Status)) {\r | |
239 | return ;\r | |
240 | }\r | |
241 | \r | |
242 | Ptr = (UINT8 *) ((UINT32) mBmAcpiLowMemoryBase + sizeof (PERF_HEADER));\r | |
243 | LimitCount = (UINT32) (PERF_DATA_MAX_LENGTH - sizeof (PERF_HEADER)) / sizeof (PERF_DATA);\r | |
244 | \r | |
067ed98a | 245 | //\r |
2f931dda | 246 | // Get performance data\r |
067ed98a RN |
247 | //\r |
248 | LogEntryKey = 0;\r | |
067ed98a RN |
249 | while ((LogEntryKey = GetPerformanceMeasurement (\r |
250 | LogEntryKey,\r | |
251 | &Handle,\r | |
252 | &Token,\r | |
253 | &Module,\r | |
254 | &StartTicker,\r | |
255 | &EndTicker)) != 0) {\r | |
2f931dda | 256 | if (EndTicker != 0) {\r |
067ed98a RN |
257 | if (StartTicker == 1) {\r |
258 | StartTicker = StartValue;\r | |
259 | }\r | |
260 | if (EndTicker == 1) {\r | |
261 | EndTicker = StartValue;\r | |
262 | }\r | |
263 | Ticker = CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker);\r | |
264 | \r | |
2f931dda SZ |
265 | Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq);\r |
266 | if (Duration == 0) {\r | |
267 | continue;\r | |
268 | }\r | |
269 | \r | |
270 | ZeroMem (&mBmPerfData, sizeof (PERF_DATA));\r | |
271 | \r | |
272 | mBmPerfData.Duration = Duration;\r | |
273 | \r | |
274 | //\r | |
275 | // See if the Handle is in the handle buffer\r | |
276 | //\r | |
277 | Found = FALSE;\r | |
278 | for (Index = 0; Index < NoHandles; Index++) {\r | |
279 | if (Handle == Handles[Index]) {\r | |
280 | BmGetNameFromHandle (Handles[Index], GaugeString, PERF_TOKEN_SIZE);\r | |
281 | AsciiStrCpyS (mBmPerfData.Token, PERF_TOKEN_SIZE, GaugeString);\r | |
282 | Found = TRUE;\r | |
283 | break;\r | |
284 | }\r | |
285 | }\r | |
286 | \r | |
287 | if (!Found) {\r | |
288 | AsciiStrnCpyS (mBmPerfData.Token, PERF_TOKEN_SIZE, Token, PERF_TOKEN_LENGTH);\r | |
289 | }\r | |
067ed98a RN |
290 | \r |
291 | CopyMem (Ptr, &mBmPerfData, sizeof (PERF_DATA));\r | |
292 | Ptr += sizeof (PERF_DATA);\r | |
293 | \r | |
294 | mBmPerfHeader.Count++;\r | |
295 | if (mBmPerfHeader.Count == LimitCount) {\r | |
296 | goto Done;\r | |
297 | }\r | |
298 | }\r | |
067ed98a RN |
299 | }\r |
300 | \r | |
301 | Done:\r | |
302 | \r | |
303 | FreePool (Handles);\r | |
067ed98a RN |
304 | \r |
305 | mBmPerfHeader.Signiture = PERFORMANCE_SIGNATURE;\r | |
306 | \r | |
307 | //\r | |
308 | // Put performance data to Reserved memory\r | |
309 | //\r | |
310 | CopyMem (\r | |
311 | (UINTN *) (UINTN) mBmAcpiLowMemoryBase,\r | |
312 | &mBmPerfHeader,\r | |
313 | sizeof (PERF_HEADER)\r | |
314 | );\r | |
315 | \r | |
316 | return ;\r | |
317 | }\r |