/** @file\r
Base Performance Library which provides no service.\r
\r
- Copyright (c) 2006, Intel Corporation<BR>\r
- All rights reserved. This program and the accompanying materials\r
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
+ http://opensource.org/licenses/bsd-license.php.\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
- Module Name: PerformanceLib.c\r
-\r
**/\r
\r
+\r
+#include <Base.h>\r
+\r
+\r
+#include <Library/PerformanceLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/PcdLib.h>\r
+\r
/**\r
- Creates a record for the beginning of a performance measurement. \r
- \r
+ Creates a record for the beginning of a performance measurement.\r
+\r
Creates a record that contains the Handle, Token, and Module.\r
If TimeStamp is not zero, then TimeStamp is added to the record as the start time.\r
If TimeStamp is zero, then this function reads the current time stamp\r
and adds that time stamp value to the record as the start time.\r
\r
- @param Handle Pointer to environment specific context used\r
+ @param Handle The pointer to environment specific context used\r
to identify the component being measured.\r
- @param Token Pointer to a Null-terminated ASCII string\r
+ @param Token The pointer to a Null-terminated ASCII string\r
that identifies the component being measured.\r
- @param Module Pointer to a Null-terminated ASCII string\r
+ @param Module The pointer to a Null-terminated ASCII string\r
that identifies the module being measured.\r
- @param TimeStamp 64-bit time stamp.\r
+ @param TimeStamp 64-bit time stamp.\r
\r
@retval RETURN_SUCCESS The start of the measurement was recorded.\r
- @retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.\r
+ @retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.\r
+ @retval RETURN_DEVICE_ERROR A device error reading the time stamp.\r
\r
**/\r
RETURN_STATUS\r
EFIAPI\r
StartPerformanceMeasurement (\r
IN CONST VOID *Handle, OPTIONAL\r
- IN CONST CHAR8 *Token,\r
- IN CONST CHAR8 *Module,\r
+ IN CONST CHAR8 *Token, OPTIONAL\r
+ IN CONST CHAR8 *Module, OPTIONAL\r
IN UINT64 TimeStamp\r
)\r
{\r
}\r
\r
/**\r
- Fills in the end time of a performance measurement. \r
- \r
+ Fills in the end time of a performance measurement.\r
+\r
Looks up the record that matches Handle, Token, and Module.\r
If the record can not be found then return RETURN_NOT_FOUND.\r
If the record is found and TimeStamp is not zero,\r
then TimeStamp is added to the record as the end time.\r
If the record is found and TimeStamp is zero, then this function reads\r
the current time stamp and adds that time stamp value to the record as the end time.\r
- If this function is called multiple times for the same record, then the end time is overwritten.\r
\r
- @param Handle Pointer to environment specific context used\r
+ @param Handle The pointer to environment specific context used\r
to identify the component being measured.\r
- @param Token Pointer to a Null-terminated ASCII string\r
+ @param Token The pointer to a Null-terminated ASCII string\r
that identifies the component being measured.\r
- @param Module Pointer to a Null-terminated ASCII string\r
+ @param Module The pointer to a Null-terminated ASCII string\r
that identifies the module being measured.\r
- @param TimeStamp 64-bit time stamp.\r
+ @param TimeStamp 64-bit time stamp.\r
\r
- @retval RETURN_SUCCESS The end of the measurement was recorded.\r
- @retval RETURN_NOT_FOUND The specified measurement record could not be found.\r
+ @retval RETURN_SUCCESS The end of the measurement was recorded.\r
+ @retval RETURN_NOT_FOUND The specified measurement record could not be found.\r
+ @retval RETURN_DEVICE_ERROR A device error reading the time stamp.\r
\r
**/\r
RETURN_STATUS\r
EFIAPI\r
EndPerformanceMeasurement (\r
IN CONST VOID *Handle, OPTIONAL\r
- IN CONST CHAR8 *Token,\r
- IN CONST CHAR8 *Module,\r
+ IN CONST CHAR8 *Token, OPTIONAL\r
+ IN CONST CHAR8 *Module, OPTIONAL\r
IN UINT64 TimeStamp\r
)\r
{\r
}\r
\r
/**\r
- Attempts to retrieve a performance measurement log entry from the performance measurement log. \r
- \r
+ Attempts to retrieve a performance measurement log entry from the performance measurement log.\r
+ It can also retrieve the log created by StartPerformanceMeasurementEx and EndPerformanceMeasurementEx,\r
+ and then eliminate the Identifier.\r
+\r
Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is\r
zero on entry, then an attempt is made to retrieve the first entry from the performance log,\r
and the key for the second entry in the log is returned. If the performance log is empty,\r
If StartTimeStamp is NULL, then ASSERT().\r
If EndTimeStamp is NULL, then ASSERT().\r
\r
+ @param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.\r
+ 0, then the first performance measurement log entry is retrieved.\r
+ On exit, the key of the next performance lof entry entry.\r
+ @param Handle The pointer to environment specific context used to identify the component\r
+ being measured.\r
+ @param Token The pointer to a Null-terminated ASCII string that identifies the component\r
+ being measured.\r
+ @param Module The pointer to a Null-terminated ASCII string that identifies the module\r
+ being measured.\r
+ @param StartTimeStamp The pointer to the 64-bit time stamp that was recorded when the measurement\r
+ was started.\r
+ @param EndTimeStamp The pointer to the 64-bit time stamp that was recorded when the measurement\r
+ was ended.\r
+\r
+ @return The key for the next performance log entry (in general case).\r
+\r
+**/\r
+UINTN\r
+EFIAPI\r
+GetPerformanceMeasurement (\r
+ IN UINTN LogEntryKey,\r
+ OUT CONST VOID **Handle,\r
+ OUT CONST CHAR8 **Token,\r
+ OUT CONST CHAR8 **Module,\r
+ OUT UINT64 *StartTimeStamp,\r
+ OUT UINT64 *EndTimeStamp\r
+ )\r
+{\r
+ ASSERT (Handle != NULL);\r
+ ASSERT (Token != NULL);\r
+ ASSERT (Module != NULL);\r
+ ASSERT (StartTimeStamp != NULL);\r
+ ASSERT (EndTimeStamp != NULL);\r
+\r
+ return 0;\r
+}\r
+\r
+/**\r
+ Creates a record for the beginning of a performance measurement.\r
+\r
+ Creates a record that contains the Handle, Token, Module and Identifier.\r
+ If TimeStamp is not zero, then TimeStamp is added to the record as the start time.\r
+ If TimeStamp is zero, then this function reads the current time stamp\r
+ and adds that time stamp value to the record as the start time.\r
+\r
+ @param Handle Pointer to environment specific context used\r
+ to identify the component being measured.\r
+ @param Token Pointer to a Null-terminated ASCII string\r
+ that identifies the component being measured.\r
+ @param Module Pointer to a Null-terminated ASCII string\r
+ that identifies the module being measured.\r
+ @param TimeStamp 64-bit time stamp.\r
+ @param Identifier 32-bit identifier. If the value is 0, the created record\r
+ is same as the one created by StartPerformanceMeasurement.\r
+\r
+ @retval RETURN_SUCCESS The start of the measurement was recorded.\r
+ @retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.\r
+ @retval RETURN_DEVICE_ERROR A device error reading the time stamp.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+StartPerformanceMeasurementEx (\r
+ IN CONST VOID *Handle, OPTIONAL\r
+ IN CONST CHAR8 *Token, OPTIONAL\r
+ IN CONST CHAR8 *Module, OPTIONAL\r
+ IN UINT64 TimeStamp,\r
+ IN UINT32 Identifier\r
+ )\r
+{\r
+ return RETURN_SUCCESS;\r
+}\r
+\r
+/**\r
+ Fills in the end time of a performance measurement.\r
+\r
+ Looks up the record that matches Handle, Token, Module and Identifier.\r
+ If the record can not be found then return RETURN_NOT_FOUND.\r
+ If the record is found and TimeStamp is not zero,\r
+ then TimeStamp is added to the record as the end time.\r
+ If the record is found and TimeStamp is zero, then this function reads\r
+ the current time stamp and adds that time stamp value to the record as the end time.\r
+\r
+ @param Handle Pointer to environment specific context used\r
+ to identify the component being measured.\r
+ @param Token Pointer to a Null-terminated ASCII string\r
+ that identifies the component being measured.\r
+ @param Module Pointer to a Null-terminated ASCII string\r
+ that identifies the module being measured.\r
+ @param TimeStamp 64-bit time stamp.\r
+ @param Identifier 32-bit identifier. If the value is 0, the found record\r
+ is same as the one found by EndPerformanceMeasurement.\r
+\r
+ @retval RETURN_SUCCESS The end of the measurement was recorded.\r
+ @retval RETURN_NOT_FOUND The specified measurement record could not be found.\r
+ @retval RETURN_DEVICE_ERROR A device error reading the time stamp.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+EndPerformanceMeasurementEx (\r
+ IN CONST VOID *Handle, OPTIONAL\r
+ IN CONST CHAR8 *Token, OPTIONAL\r
+ IN CONST CHAR8 *Module, OPTIONAL\r
+ IN UINT64 TimeStamp,\r
+ IN UINT32 Identifier\r
+ )\r
+{\r
+ return RETURN_SUCCESS;\r
+}\r
+\r
+/**\r
+ Attempts to retrieve a performance measurement log entry from the performance measurement log.\r
+ It can also retrieve the log created by StartPerformanceMeasurement and EndPerformanceMeasurement,\r
+ and then assign the Identifier with 0.\r
+\r
+ Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is\r
+ zero on entry, then an attempt is made to retrieve the first entry from the performance log,\r
+ and the key for the second entry in the log is returned. If the performance log is empty,\r
+ then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance\r
+ log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is\r
+ returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is\r
+ retrieved and an implementation specific non-zero key value that specifies the end of the performance\r
+ log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry\r
+ is retrieved and zero is returned. In the cases where a performance log entry can be returned,\r
+ the log entry is returned in Handle, Token, Module, StartTimeStamp, EndTimeStamp and Identifier.\r
+ If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT().\r
+ If Handle is NULL, then ASSERT().\r
+ If Token is NULL, then ASSERT().\r
+ If Module is NULL, then ASSERT().\r
+ If StartTimeStamp is NULL, then ASSERT().\r
+ If EndTimeStamp is NULL, then ASSERT().\r
+ If Identifier is NULL, then ASSERT().\r
+\r
@param LogEntryKey On entry, the key of the performance measurement log entry to retrieve.\r
0, then the first performance measurement log entry is retrieved.\r
On exit, the key of the next performance lof entry entry.\r
@param Handle Pointer to environment specific context used to identify the component\r
- being measured. \r
+ being measured.\r
@param Token Pointer to a Null-terminated ASCII string that identifies the component\r
- being measured. \r
+ being measured.\r
@param Module Pointer to a Null-terminated ASCII string that identifies the module\r
being measured.\r
@param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r
was started.\r
@param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement\r
was ended.\r
+ @param Identifier Pointer to the 32-bit identifier that was recorded.\r
\r
@return The key for the next performance log entry (in general case).\r
\r
**/\r
UINTN\r
EFIAPI\r
-GetPerformanceMeasurement (\r
- IN UINTN LogEntryKey, \r
+GetPerformanceMeasurementEx (\r
+ IN UINTN LogEntryKey,\r
OUT CONST VOID **Handle,\r
OUT CONST CHAR8 **Token,\r
OUT CONST CHAR8 **Module,\r
OUT UINT64 *StartTimeStamp,\r
- OUT UINT64 *EndTimeStamp\r
+ OUT UINT64 *EndTimeStamp,\r
+ OUT UINT32 *Identifier\r
)\r
{\r
ASSERT (Handle != NULL);\r
ASSERT (Module != NULL);\r
ASSERT (StartTimeStamp != NULL);\r
ASSERT (EndTimeStamp != NULL);\r
+ ASSERT (Identifier != NULL);\r
\r
return 0;\r
}\r
\r
/**\r
- Returns TRUE if the performance measurement macros are enabled. \r
- \r
+ Returns TRUE if the performance measurement macros are enabled.\r
+\r
This function returns TRUE if the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of\r
PcdPerformanceLibraryPropertyMask is set. Otherwise FALSE is returned.\r
\r
@retval TRUE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of\r
PcdPerformanceLibraryPropertyMask is set.\r
- @retval FALSE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of\r
+ @retval FALSE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of\r
PcdPerformanceLibraryPropertyMask is clear.\r
\r
**/\r
VOID\r
)\r
{\r
- return ((PcdGet8(PcdPerformanceLibraryPropertyMask) & PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED) != 0);\r
+ return (BOOLEAN) ((PcdGet8(PcdPerformanceLibraryPropertyMask) & PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED) != 0);\r
+}\r
+\r
+/**\r
+ Create performance record with event description and a timestamp.\r
+\r
+ @param CallerIdentifier - Image handle or pointer to caller ID GUID\r
+ @param Guid - Pointer to a GUID\r
+ @param String - Pointer to a string describing the measurement\r
+ @param Address - Pointer to a location in memory relevant to the measurement\r
+ @param Identifier - Performance identifier describing the type of measurement\r
+\r
+ @retval RETURN_SUCCESS - Successfully created performance record\r
+ @retval RETURN_OUT_OF_RESOURCES - Ran out of space to store the records\r
+ @retval RETURN_INVALID_PARAMETER - Invalid parameter passed to function - NULL\r
+ pointer or invalid PerfId\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+LogPerformanceMeasurement (\r
+ IN CONST VOID *CallerIdentifier,OPTIONAL\r
+ IN CONST VOID *Guid, OPTIONAL\r
+ IN CONST CHAR8 *String, OPTIONAL\r
+ IN UINT64 Address, OPTIONAL\r
+ IN UINT32 Identifier\r
+ )\r
+{\r
+ return RETURN_SUCCESS;\r
+}\r
+\r
+/**\r
+ Check whether the specified performance measurement can be logged.\r
+\r
+ This function returns TRUE when the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set\r
+ and the Type disable bit in PcdPerformanceLibraryPropertyMask is not set.\r
+\r
+ @param Type - Type of the performance measurement entry.\r
+\r
+ @retval TRUE The performance measurement can be logged.\r
+ @retval FALSE The performance measurement can NOT be logged.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+LogPerformanceMeasurementEnabled (\r
+ IN CONST UINTN Type\r
+ )\r
+{\r
+ //\r
+ // When Performance measurement is enabled and the type is not filtered, the performance can be logged.\r
+ //\r
+ if (PerformanceMeasurementEnabled () && (PcdGet8(PcdPerformanceLibraryPropertyMask) & Type) == 0) {\r
+ return TRUE;\r
+ }\r
+ return FALSE;\r
}\r
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