Eric,

Please add the default value settings to the detailed description.

For example, PcdCpuProcTraceMemSize should say that the default
value is 0x10 which disables the processor memory trace.

Also, the .uni file _HELP should contains the same information
as the detailed description, including the set of valid values
and their meanings.  Please see
gEfiMdePkgTokenSpaceGuid.PcdDebugPrintErrorLevel in 
MdePkg/MdePkg.uni for an example to follow.

Thanks,

Mike

> -----Original Message-----
> From: Dong, Eric
> Sent: Tuesday, August 8, 2017 11:32 PM
> To: edk2-devel@lists.01.org
> Cc: Gao, Liming <liming....@intel.com>; Ni, Ruiyu
> <ruiyu...@intel.com>; Kinney, Michael D
> <michael.d.kin...@intel.com>
> Subject: [Patch 1/2] UefiCpuPkg: Add comments for PCDs
> definition.
> 
> Cc: Liming Gao <liming....@intel.com>
> Cc: Ruiyu Ni <ruiyu...@intel.com>
> Cc: Michael D Kinney <michael.d.kin...@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Eric Dong <eric.d...@intel.com>
> ---
>  UefiCpuPkg/UefiCpuPkg.dec | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/UefiCpuPkg/UefiCpuPkg.dec
> b/UefiCpuPkg/UefiCpuPkg.dec
> index 2ddeab4..1f3a992 100644
> --- a/UefiCpuPkg/UefiCpuPkg.dec
> +++ b/UefiCpuPkg/UefiCpuPkg.dec
> @@ -287,10 +287,32 @@
> 
>    ## Contains the size of memory required when CPU processor
> trace is enabled.
>    # @Prompt The memory size used for processor trace.
> +  #  0x0:  4K,
> +  #  0x1:  8K,
> +  #  0x2:  16K,
> +  #  0x3:  32K,
> +  #  0x4:  64K,
> +  #  0x5:  128K,
> +  #  0x6:  256K,
> +  #  0x7:  512K,
> +  #  0x8:  1M,
> +  #  0x9:  2M,
> +  #  0xA:  4M,
> +  #  0xB:  8M,
> +  #  0xC:  16M,
> +  #  0xD:  32M,
> +  #  0xE:  64M,
> +  #  0xF:  128M,
> +  #  0x10: ProcTraceMemDisable
> +  # @ValidRange  0x80000001 | 0 - 0x10
> 
> gUefiCpuPkgTokenSpaceGuid.PcdCpuProcTraceMemSize|0x10|UINT32|0
> x60000012
> 
>    ## Contains the processor trace output scheme when CPU
> processor trace is enabled.
>    # @Prompt The processor trace output scheme.
> +  #  0: Single Range output scheme.<BR>
> +  #  1: ToPA(Table of physical address) scheme.<BR>
> +  #  2: Invalid scheme.<BR>
> +  # @ValidRange  0x80000001 | 0 - 2
> 
> gUefiCpuPkgTokenSpaceGuid.PcdCpuProcTraceOutputScheme|0x2|UINT
> 8|0x60000015
> 
>  [UserExtensions.TianoCore."ExtraFiles"]
> --
> 2.10.1.windows.1

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