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To: Sajeesh Kk <sajee.kk@gmail.com>,
 Rafael Machado <rafaelrodrigues.machado@gmail.com>
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From: Laszlo Ersek <lersek@redhat.com>
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Date: Mon, 28 Jan 2019 09:47:43 +0100
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 (mx1.redhat.com [10.5.110.39]); Mon, 28 Jan 2019 08:47:45 +0000 (UTC)
Subject: Re: BlockIo2 Protocol test tool
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Hi,

On 01/26/19 17:57, Sajeesh Kk wrote:
> Hello Rafeal,
> 
> I believe The UEFI Sct test suite cannot be used for performance testing.
> Are there any tools which can be used from UEFI shell to measure disk IO
> perfomance using BlockIO2 Protocol ?
> Please let me know.

from a cursory look, FatPkg/EnhancedFatDxe appears to implement the the
ReadEx/WriteEx methods of EFI_FILE_PROTOCOL
(EFI_FILE_PROTOCOL_REVISION2). I think the implementation uses the
DiskIo2 protocol.

And "MdeModulePkg/Universal/Disk/DiskIoDxe" should automatically install
DiskIo2 on top of your BlockIo2.

So, if you can write a simple UEFI application that uses the *Ex()
methods of EFI_FILE_PROTOCOL, that could be a start. (Nothing in edk2
seems to use ReadEx / WriteEx currently.)

Thanks,
Laszlo