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Re: [Qemu-devel] [PATCH v4 03/11] qemu-log: correct help text for -d cpu
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH v4 03/11] qemu-log: correct help text for -d cpu |
Date: |
Tue, 4 Aug 2015 11:09:38 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 |
On 08/04/2015 10:22 AM, Alex Bennée wrote:
>
> Richard Henderson <address@hidden> writes:
>
>> On 08/04/2015 08:15 AM, Peter Maydell wrote:
>>> On 4 August 2015 at 16:11, Alex Bennée <address@hidden> wrote:
>>>> Aurelien Jarno <address@hidden> writes:
>>>>> On 2015-08-03 10:14, Alex Bennée wrote:
>>>>> In practice this is not true for linked TB. Should we also disable TB
>>>>> linking when this option is enabled?
>>>>
>>>> Good question. I suspect yes because if you've gone to level of wanting
>>>> exec tracing you'll probably get confused by the chaining. Of course it
>>>> will run a lot slower then.
>>>
>>> Unless the bug you were trying to track down is caused by the exec
>>> chaining, of course... But yes, I think we get more people wanting
>>> chaining to be disableable.
>>>
>>> Not sure we want to tie it to the 'cpu' debug option, though -- it
>>> applies just as much to 'exec'.
>>
>> Does it make more sense to have a 'nochain' debug option, and not tie it to
>> either 'cpu' or 'exec'? It might be occasionally useful on its own, simply
>> to
>> determine if a bug does exist in the exec chaining.
>
> Would that make sense as a debug option or should we have a specific set
> of TCG options to alter its behaviour?
That's what I'm saying -- probably a separate debug option is better.
r~
- [Qemu-devel] [PATCH v4 07/11] qemu-log: new option -dfilter to limit output, (continued)
- [Qemu-devel] [PATCH v4 07/11] qemu-log: new option -dfilter to limit output, Alex Bennée, 2015/08/03
- [Qemu-devel] [PATCH v4 03/11] qemu-log: correct help text for -d cpu, Alex Bennée, 2015/08/03
- Re: [Qemu-devel] [PATCH v4 03/11] qemu-log: correct help text for -d cpu, Aurelien Jarno, 2015/08/04
- Re: [Qemu-devel] [PATCH v4 03/11] qemu-log: correct help text for -d cpu, Alex Bennée, 2015/08/04
- Re: [Qemu-devel] [PATCH v4 03/11] qemu-log: correct help text for -d cpu, Peter Maydell, 2015/08/04
- Re: [Qemu-devel] [PATCH v4 03/11] qemu-log: correct help text for -d cpu, Richard Henderson, 2015/08/04
- Re: [Qemu-devel] [PATCH v4 03/11] qemu-log: correct help text for -d cpu, Alex Bennée, 2015/08/04
- Re: [Qemu-devel] [PATCH v4 03/11] qemu-log: correct help text for -d cpu,
Richard Henderson <=
- Re: [Qemu-devel] [PATCH v4 03/11] qemu-log: correct help text for -d cpu, Alex Bennée, 2015/08/04
- Re: [Qemu-devel] [PATCH v4 03/11] qemu-log: correct help text for -d cpu, Richard Henderson, 2015/08/04
[Qemu-devel] [PATCH v4 01/11] tcg: add ability to dump /tmp/perf-<pid>.map files, Alex Bennée, 2015/08/03
- Re: [Qemu-devel] [PATCH v4 01/11] tcg: add ability to dump /tmp/perf-<pid>.map files, Paolo Bonzini, 2015/08/03
- Re: [Qemu-devel] [PATCH v4 01/11] tcg: add ability to dump /tmp/perf-<pid>.map files, Alex Bennée, 2015/08/04
- Re: [Qemu-devel] [PATCH v4 01/11] tcg: add ability to dump /tmp/perf-<pid>.map files, Paolo Bonzini, 2015/08/04
- Re: [Qemu-devel] [PATCH v4 01/11] tcg: add ability to dump /tmp/perf-<pid>.map files, Aurelien Jarno, 2015/08/04
- Re: [Qemu-devel] [PATCH v4 01/11] tcg: add ability to dump /tmp/perf-<pid>.map files, Alex Bennée, 2015/08/04
- Re: [Qemu-devel] [PATCH v4 01/11] tcg: add ability to dump /tmp/perf-<pid>.map files, Aurelien Jarno, 2015/08/04
Re: [Qemu-devel] [PATCH v4 01/11] tcg: add ability to dump /tmp/perf-<pid>.map files, Aurelien Jarno, 2015/08/04