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Re: [Qemu-devel] QEMU+Aarch64: in_asm log skips instructions of loop-pro

From: Christopher Covington
Subject: Re: [Qemu-devel] QEMU+Aarch64: in_asm log skips instructions of loop-programs
Date: Fri, 18 Sep 2015 10:26:32 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:36.0) Gecko/20100101 Thunderbird/36.0

On 09/18/2015 04:15 AM, Sergey Smolov wrote:
> Hi Christopher,
> 18.09.2015 02:02, Christopher Covington пишет:
>> Hi Sergey,
>> On 09/04/2015 12:38 PM, Sergey Smolov wrote:
>>>> 03.09.2015 19:35, Peter Maydell пишет:
>>>>> On 3 September 2015 at 15:31, Sergey Smolov <address@hidden> wrote:
>>>>>> Do you think it is possible to implement another QEMU logger which will
>>>>>> make a record for every executed block,
>>>>> Yes (this would just need to disable the TB linking optimisation,
>>>>> which we've discussed providing a debug toggle for in another
>>>>> thread).
>>> Ok, I've implemented a mapping between disassembled forms of instructions 
>>> and
>>> executed TBs.
>>> Now my logger does "loop unrolling" successfully.
>> This sounds like it solves the same issue as -d nochain but in what's 
>> probably
>> a more time efficient manner. Are you able to share your implementation?

> In which way should I share it? Am I need to create a patch and send it to
> mailing list?

That would be ideal. If you're not familiar with the process, just let me know
and I'd be happy to help.

Christopher Covington

Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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