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c7f33ca4 | 1 | /*++\r |
2 | \r | |
2c7e5c2f HT |
3 | Copyright (c) 2004 - 2006, Intel Corporation. All rights reserved.<BR>\r |
4 | This program and the accompanying materials \r | |
c7f33ca4 | 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 | \r | |
13 | Module Name:\r | |
14 | \r | |
15 | PerformanceLib.c\r | |
16 | \r | |
17 | Abstract: \r | |
18 | \r | |
19 | Support routines used by PEI_PERF_START() and PEI_PERF_END()\r | |
20 | \r | |
21 | --*/\r | |
22 | \r | |
23 | #include "EdkIIGluePeim.h"\r | |
24 | \r | |
25 | \r | |
26 | #define MAX_PEI_PERF_LOG_ENTRIES 28\r | |
27 | \r | |
28 | \r | |
29 | STATIC\r | |
30 | VOID\r | |
31 | InternalGetTimerValue (\r | |
32 | OUT UINT64 *TimerValue\r | |
33 | )\r | |
34 | /*++\r | |
35 | \r | |
36 | Routine Description:\r | |
37 | \r | |
38 | Set TimerValue with current tick.\r | |
39 | \r | |
40 | Arguments:\r | |
41 | \r | |
42 | TimerValue - Timer value to be set\r | |
43 | \r | |
44 | Returns:\r | |
45 | \r | |
46 | EFI_SUCCESS - TimerValue is set.\r | |
47 | \r | |
48 | --*/\r | |
49 | {\r | |
50 | *TimerValue = AsmReadTsc ();\r | |
51 | }\r | |
52 | \r | |
53 | \r | |
54 | VOID\r | |
55 | EFIAPI\r | |
56 | PeiPerfMeasure (\r | |
57 | EFI_PEI_SERVICES **PeiServices,\r | |
58 | IN UINT16 *Token,\r | |
59 | IN EFI_FFS_FILE_HEADER *FileHeader,\r | |
60 | IN BOOLEAN EntryExit,\r | |
61 | IN UINT64 Value\r | |
62 | )\r | |
63 | /*++\r | |
64 | \r | |
65 | Routine Description:\r | |
66 | \r | |
67 | Log a timestamp count.\r | |
68 | \r | |
69 | Arguments:\r | |
70 | \r | |
71 | PeiServices - Pointer to the PEI Core Services table\r | |
72 | \r | |
73 | Token - Pointer to Token Name\r | |
74 | \r | |
75 | FileHeader - Pointer to the file header\r | |
76 | \r | |
77 | EntryExit - Indicates start or stop measurement\r | |
78 | \r | |
79 | Value - The start time or the stop time\r | |
80 | \r | |
81 | Returns:\r | |
82 | \r | |
83 | --*/\r | |
84 | {\r | |
85 | EFI_STATUS Status;\r | |
86 | EFI_HOB_GUID_TYPE *Hob;\r | |
87 | EFI_HOB_GUID_DATA_PERFORMANCE_LOG *PerfHobData;\r | |
88 | PEI_PERFORMANCE_MEASURE_LOG_ENTRY *Log;\r | |
89 | EFI_PEI_PPI_DESCRIPTOR *PerfHobDescriptor;\r | |
90 | UINT64 TimeCount;\r | |
91 | INTN Index;\r | |
92 | UINTN Index2;\r | |
93 | EFI_GUID *Guid;\r | |
94 | EFI_GUID *CheckGuid;\r | |
95 | \r | |
96 | TimeCount = 0;\r | |
97 | //\r | |
98 | // Get the END time as early as possible to make it more accurate.\r | |
99 | //\r | |
100 | if (EntryExit) {\r | |
101 | InternalGetTimerValue (&TimeCount);\r | |
102 | }\r | |
103 | \r | |
104 | //\r | |
105 | // Locate the Pei Performance Log Hob.\r | |
106 | //\r | |
107 | Status = PeiServicesLocatePpi (\r | |
108 | &gEfiPeiPerformanceHobGuid, \r | |
109 | 0, \r | |
110 | &PerfHobDescriptor, \r | |
111 | NULL\r | |
112 | );\r | |
113 | \r | |
114 | //\r | |
115 | // If the Performance Hob was not found, build and install one.\r | |
116 | //\r | |
117 | if (EFI_ERROR(Status)) {\r | |
118 | Hob = BuildGuidHob (\r | |
119 | &gEfiPeiPerformanceHobGuid, \r | |
120 | (sizeof(EFI_HOB_GUID_DATA_PERFORMANCE_LOG) +\r | |
121 | ((MAX_PEI_PERF_LOG_ENTRIES-1) * \r | |
122 | sizeof(PEI_PERFORMANCE_MEASURE_LOG_ENTRY)) +\r | |
123 | sizeof(EFI_PEI_PPI_DESCRIPTOR)\r | |
124 | )); \r | |
125 | Hob = (VOID *)((UINTN)Hob - sizeof (EFI_HOB_GUID_TYPE));\r | |
126 | ASSERT_EFI_ERROR (Status);\r | |
127 | \r | |
128 | PerfHobData = (EFI_HOB_GUID_DATA_PERFORMANCE_LOG *)(Hob+1);\r | |
129 | PerfHobData->NumberOfEntries = 0;\r | |
130 | \r | |
131 | PerfHobDescriptor = (EFI_PEI_PPI_DESCRIPTOR *)((UINT8 *)(PerfHobData+1) +\r | |
132 | (sizeof(PEI_PERFORMANCE_MEASURE_LOG_ENTRY) *\r | |
133 | (MAX_PEI_PERF_LOG_ENTRIES-1)\r | |
134 | )\r | |
135 | );\r | |
136 | PerfHobDescriptor->Flags = (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);\r | |
137 | PerfHobDescriptor->Guid = &gEfiPeiPerformanceHobGuid;\r | |
138 | PerfHobDescriptor->Ppi = NULL;\r | |
139 | \r | |
140 | (*PeiServices)->InstallPpi (\r | |
141 | PeiServices,\r | |
142 | PerfHobDescriptor\r | |
143 | );\r | |
144 | }\r | |
145 | \r | |
146 | PerfHobData = (EFI_HOB_GUID_DATA_PERFORMANCE_LOG *)(((UINT8 *)(PerfHobDescriptor)) -\r | |
147 | ((sizeof(PEI_PERFORMANCE_MEASURE_LOG_ENTRY) *\r | |
148 | (MAX_PEI_PERF_LOG_ENTRIES-1)\r | |
149 | )\r | |
150 | + sizeof(EFI_HOB_GUID_DATA_PERFORMANCE_LOG)\r | |
151 | )\r | |
152 | );\r | |
153 | \r | |
154 | if (PerfHobData->NumberOfEntries >= MAX_PEI_PERF_LOG_ENTRIES) {\r | |
155 | return;\r | |
156 | }\r | |
157 | \r | |
158 | if (!EntryExit) {\r | |
159 | Log = &(PerfHobData->Log[PerfHobData->NumberOfEntries]);\r | |
160 | ((*PeiServices)->SetMem) (Log, sizeof(PEI_PERFORMANCE_MEASURE_LOG_ENTRY), 0);\r | |
161 | \r | |
162 | //\r | |
163 | // If not NULL pointer, copy the file name\r | |
164 | //\r | |
165 | if (FileHeader != NULL) {\r | |
166 | Log->Name = FileHeader->Name;\r | |
167 | }\r | |
168 | \r | |
169 | //\r | |
170 | // Copy the description string\r | |
171 | //\r | |
172 | ((*PeiServices)->CopyMem) (\r | |
173 | &(Log->DescriptionString), \r | |
174 | Token,\r | |
175 | (PEI_PERF_MAX_DESC_STRING-1) * sizeof(UINT16)\r | |
176 | );\r | |
177 | \r | |
178 | //\r | |
179 | // Get the start time as late as possible to make it more accurate.\r | |
180 | //\r | |
181 | InternalGetTimerValue (&TimeCount);\r | |
182 | \r | |
183 | //\r | |
184 | // Record the time stamp.\r | |
185 | //\r | |
186 | if (Value != 0) {\r | |
187 | Log->StartTimeCount = Value;\r | |
188 | } else {\r | |
189 | Log->StartTimeCount = TimeCount;\r | |
190 | }\r | |
191 | Log->StopTimeCount = 0;\r | |
192 | \r | |
193 | //\r | |
194 | // Increment the number of valid log entries.\r | |
195 | //\r | |
196 | PerfHobData->NumberOfEntries++;\r | |
197 | \r | |
198 | } else {\r | |
199 | \r | |
200 | for (Index = PerfHobData->NumberOfEntries-1; Index >= 0; Index--) {\r | |
201 | Log = NULL;\r | |
202 | for (Index2 = 0; Index2 < PEI_PERF_MAX_DESC_STRING; Index2++) {\r | |
203 | if (PerfHobData->Log[Index].DescriptionString[Index2] == 0) {\r | |
204 | Log = &(PerfHobData->Log[Index]);\r | |
205 | break;\r | |
206 | }\r | |
207 | if (PerfHobData->Log[Index].DescriptionString[Index2] !=\r | |
208 | Token[Index2]) {\r | |
209 | break;\r | |
210 | }\r | |
211 | }\r | |
212 | if (Log != NULL) {\r | |
213 | if (FileHeader != NULL) {\r | |
214 | Guid = &(Log->Name);\r | |
215 | CheckGuid = &(FileHeader->Name);\r | |
216 | if ((((INT32 *)Guid)[0] == ((INT32 *)CheckGuid)[0]) &&\r | |
217 | (((INT32 *)Guid)[1] == ((INT32 *)CheckGuid)[1]) &&\r | |
218 | (((INT32 *)Guid)[2] == ((INT32 *)CheckGuid)[2]) &&\r | |
219 | (((INT32 *)Guid)[3] == ((INT32 *)CheckGuid)[3])) {\r | |
220 | if (Value != 0) {\r | |
221 | Log->StopTimeCount = Value;\r | |
222 | } else {\r | |
223 | Log->StopTimeCount = TimeCount;\r | |
224 | }\r | |
225 | break;\r | |
226 | }\r | |
227 | } else {\r | |
228 | if (Value != 0) {\r | |
229 | Log->StopTimeCount = Value;\r | |
230 | } else {\r | |
231 | Log->StopTimeCount = TimeCount;\r | |
232 | }\r | |
233 | break;\r | |
234 | }\r | |
235 | }\r | |
236 | }\r | |
237 | \r | |
238 | }\r | |
239 | \r | |
240 | return;\r | |
241 | }\r |