Add new extension PerformanceLib APIs to store ID info.

Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13214 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 140 insertions, 1 deletions

diff --git a/MdePkg/Library/BasePerformanceLibNull/PerformanceLib.c b/MdePkg/Library/BasePerformanceLibNull/PerformanceLib.c
index 410c2d64ee..e35235d9a2 100644
--- a/MdePkg/Library/BasePerformanceLibNull/PerformanceLib.c
+++ b/MdePkg/Library/BasePerformanceLibNull/PerformanceLib.c
@@ -90,7 +90,9 @@ EndPerformanceMeasurement (
 

 /**

   Attempts to retrieve a performance measurement log entry from the performance measurement log. 

-  

+  It can also retrieve the log created by StartPerformanceMeasurementEx and EndPerformanceMeasurementEx,

+  and then eliminate the Identifier.

+

   Attempts to retrieve the performance log entry specified by LogEntryKey.  If LogEntryKey is

   zero on entry, then an attempt is made to retrieve the first entry from the performance log,

   and the key for the second entry in the log is returned.  If the performance log is empty,

@@ -146,6 +148,143 @@ GetPerformanceMeasurement (
 }

 

 /**

+  Creates a record for the beginning of a performance measurement.

+

+  Creates a record that contains the Handle, Token, Module and Identifier.

+  If TimeStamp is not zero, then TimeStamp is added to the record as the start time.

+  If TimeStamp is zero, then this function reads the current time stamp

+  and adds that time stamp value to the record as the start time.

+

+  @param  Handle                  Pointer to environment specific context used

+                                  to identify the component being measured.

+  @param  Token                   Pointer to a Null-terminated ASCII string

+                                  that identifies the component being measured.

+  @param  Module                  Pointer to a Null-terminated ASCII string

+                                  that identifies the module being measured.

+  @param  TimeStamp               64-bit time stamp.

+  @param  Identifier              32-bit identifier. If the value is 0, the created record

+                                  is same as the one created by StartPerformanceMeasurement.

+

+  @retval RETURN_SUCCESS          The start of the measurement was recorded.

+  @retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement.

+  @retval RETURN_DEVICE_ERROR     A device error reading the time stamp.

+

+**/

+RETURN_STATUS

+EFIAPI

+StartPerformanceMeasurementEx (

+  IN CONST VOID   *Handle,  OPTIONAL

+  IN CONST CHAR8  *Token,   OPTIONAL

+  IN CONST CHAR8  *Module,  OPTIONAL

+  IN UINT64       TimeStamp,

+  IN UINT32       Identifier

+  )

+{

+  return RETURN_SUCCESS;

+}

+

+/**

+  Fills in the end time of a performance measurement.

+

+  Looks up the record that matches Handle, Token, Module and Identifier.

+  If the record can not be found then return RETURN_NOT_FOUND.

+  If the record is found and TimeStamp is not zero,

+  then TimeStamp is added to the record as the end time.

+  If the record is found and TimeStamp is zero, then this function reads

+  the current time stamp and adds that time stamp value to the record as the end time.

+

+  @param  Handle                  Pointer to environment specific context used

+                                  to identify the component being measured.

+  @param  Token                   Pointer to a Null-terminated ASCII string

+                                  that identifies the component being measured.

+  @param  Module                  Pointer to a Null-terminated ASCII string

+                                  that identifies the module being measured.

+  @param  TimeStamp               64-bit time stamp.

+  @param  Identifier              32-bit identifier. If the value is 0, the found record

+                                  is same as the one found by EndPerformanceMeasurement.

+

+  @retval RETURN_SUCCESS          The end of  the measurement was recorded.

+  @retval RETURN_NOT_FOUND        The specified measurement record could not be found.

+  @retval RETURN_DEVICE_ERROR     A device error reading the time stamp.

+

+**/

+RETURN_STATUS

+EFIAPI

+EndPerformanceMeasurementEx (

+  IN CONST VOID   *Handle,  OPTIONAL

+  IN CONST CHAR8  *Token,   OPTIONAL

+  IN CONST CHAR8  *Module,  OPTIONAL

+  IN UINT64       TimeStamp,

+  IN UINT32       Identifier

+  )

+{

+  return RETURN_SUCCESS;

+}

+

+/**

+  Attempts to retrieve a performance measurement log entry from the performance measurement log.

+  It can also retrieve the log created by StartPerformanceMeasurement and EndPerformanceMeasurement,

+  and then assign the Identifier with 0.

+

+  Attempts to retrieve the performance log entry specified by LogEntryKey.  If LogEntryKey is

+  zero on entry, then an attempt is made to retrieve the first entry from the performance log,

+  and the key for the second entry in the log is returned.  If the performance log is empty,

+  then no entry is retrieved and zero is returned.  If LogEntryKey is not zero, then the performance

+  log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is

+  returned.  If LogEntryKey is the key for the last entry in the log, then the last log entry is

+  retrieved and an implementation specific non-zero key value that specifies the end of the performance

+  log is returned.  If LogEntryKey is equal this implementation specific non-zero key value, then no entry

+  is retrieved and zero is returned.  In the cases where a performance log entry can be returned,

+  the log entry is returned in Handle, Token, Module, StartTimeStamp, EndTimeStamp and Identifier.

+  If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT().

+  If Handle is NULL, then ASSERT().

+  If Token is NULL, then ASSERT().

+  If Module is NULL, then ASSERT().

+  If StartTimeStamp is NULL, then ASSERT().

+  If EndTimeStamp is NULL, then ASSERT().

+  If Identifier is NULL, then ASSERT().

+

+  @param  LogEntryKey             On entry, the key of the performance measurement log entry to retrieve.

+                                  0, then the first performance measurement log entry is retrieved.

+                                  On exit, the key of the next performance lof entry entry.

+  @param  Handle                  Pointer to environment specific context used to identify the component

+                                  being measured.

+  @param  Token                   Pointer to a Null-terminated ASCII string that identifies the component

+                                  being measured.

+  @param  Module                  Pointer to a Null-terminated ASCII string that identifies the module

+                                  being measured.

+  @param  StartTimeStamp          Pointer to the 64-bit time stamp that was recorded when the measurement

+                                  was started.

+  @param  EndTimeStamp            Pointer to the 64-bit time stamp that was recorded when the measurement

+                                  was ended.

+  @param  Identifier              Pointer to the 32-bit identifier that was recorded.

+

+  @return The key for the next performance log entry (in general case).

+

+**/

+UINTN

+EFIAPI

+GetPerformanceMeasurementEx (

+  IN  UINTN       LogEntryKey, 

+  OUT CONST VOID  **Handle,

+  OUT CONST CHAR8 **Token,

+  OUT CONST CHAR8 **Module,

+  OUT UINT64      *StartTimeStamp,

+  OUT UINT64      *EndTimeStamp,

+  OUT UINT32      *Identifier

+  )

+{

+  ASSERT (Handle != NULL);

+  ASSERT (Token != NULL);

+  ASSERT (Module != NULL);

+  ASSERT (StartTimeStamp != NULL);

+  ASSERT (EndTimeStamp != NULL);

+  ASSERT (Identifier != NULL);

+

+  return 0;

+}

+

+/**

   Returns TRUE if the performance measurement macros are enabled. 

   

   This function returns TRUE if the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of