1 files changed, 17 insertions, 1 deletions
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 27efb378bd..9014635736 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -327,6 +327,7 @@
 
   ## Include/Guid/MemoryProfile.h
   gEdkiiMemoryProfileGuid              = { 0x821c9a09, 0x541a, 0x40f6, { 0x9f, 0x43, 0xa, 0xd1, 0x93, 0xa1, 0x2c, 0xfe }}
+  gEdkiiSmmMemoryProfileGuid           = { 0xe22bbcca, 0x516a, 0x46a8, { 0x80, 0xe2, 0x67, 0x45, 0xe8, 0x36, 0x93, 0xbd }}
 
   ## Include/Protocol/VarErrorFlag.h
   gEdkiiVarErrorFlagGuid               = { 0x4b37fe8, 0xf6ae, 0x480b, { 0xbd, 0xd5, 0x37, 0xd9, 0x8c, 0x5e, 0x89, 0xaa } }
@@ -995,8 +996,9 @@
   ## The mask is used to control memory profile behavior.<BR><BR>
   #  BIT0 - Enable UEFI memory profile.<BR>
   #  BIT1 - Enable SMRAM profile.<BR>
+  #  BIT7 - Disable recording at the start.<BR>
   # @Prompt Memory Profile Property.
-  # @Expression  0x80000002 | (gEfiMdeModulePkgTokenSpaceGuid.PcdMemoryProfilePropertyMask & 0xFC) == 0
+  # @Expression  0x80000002 | (gEfiMdeModulePkgTokenSpaceGuid.PcdMemoryProfilePropertyMask & 0x7C) == 0
   gEfiMdeModulePkgTokenSpaceGuid.PcdMemoryProfilePropertyMask|0x0|UINT8|0x30001041
 
   ## This flag is to control which memory types of alloc info will be recorded by DxeCore & SmmCore.<BR><BR>
@@ -1026,6 +1028,20 @@
   # @Prompt Memory profile memory type.
   gEfiMdeModulePkgTokenSpaceGuid.PcdMemoryProfileMemoryType|0x0|UINT64|0x30001042
 
+  ## This PCD is to control which drivers need memory profile data.<BR><BR>
+  # For example:<BR>
+  # One image only (Shell):<BR>
+  #     Header                    GUID<BR>
+  #     {0x04, 0x06, 0x14, 0x00,  0x83, 0xA5, 0x04, 0x7C, 0x3E, 0x9E, 0x1C, 0x4F, 0xAD, 0x65, 0xE0, 0x52, 0x68, 0xD0, 0xB4, 0xD1,<BR>
+  #      0x7F, 0xFF, 0x04, 0x00}<BR>
+  # Two or more images (Shell + WinNtSimpleFileSystem):<BR>
+  #     {0x04, 0x06, 0x14, 0x00,  0x83, 0xA5, 0x04, 0x7C, 0x3E, 0x9E, 0x1C, 0x4F, 0xAD, 0x65, 0xE0, 0x52, 0x68, 0xD0, 0xB4, 0xD1,<BR>
+  #      0x7F, 0x01, 0x04, 0x00,<BR>
+  #      0x04, 0x06, 0x14, 0x00,  0x8B, 0xE1, 0x25, 0x9C, 0xBA, 0x76, 0xDA, 0x43, 0xA1, 0x32, 0xDB, 0xB0, 0x99, 0x7C, 0xEF, 0xEF,<BR>
+  #      0x7F, 0xFF, 0x04, 0x00}<BR>
+  # @Prompt Memory profile driver path.
+  gEfiMdeModulePkgTokenSpaceGuid.PcdMemoryProfileDriverPath|{0x0}|VOID*|0x00001043
+
   ## PCI Serial Device Info. It is an array of Device, Function, and Power Management
   #  information that describes the path that contains zero or more PCI to PCI briges
   #  followed by a PCI serial device.  Each array entry is 4-bytes in length.  The