[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2 7/7] qemu-log: add nochain option to disable
From: |
Alex Bennée |
Subject: |
Re: [Qemu-devel] [PATCH v2 7/7] qemu-log: add nochain option to disable TB chaining |
Date: |
Fri, 28 Mar 2014 17:47:18 +0000 |
User-agent: |
mu4e 0.9.9.6pre2; emacs 24.3.50.4 |
Peter Maydell <address@hidden> writes:
> On 28 March 2014 16:43, Alex Bennée <address@hidden> wrote:
>> The current exec and cpu flags only show information when we enter a
>> TranslationBlock. The blocks will then chain together until there is a
>> reason to exit which can make things harder to follow. This new option
>> disables the chaining for debugging purposes.
>>
>> + { CPU_LOG_TB_NOCHAIN, "nochain",
>> + "disable chaining of translation blocks (better tracing, but slower)"
>> },
>
> I know it's a convenient place to put it, but it's not really
> a tracing option so I'm a bit dubious about putting it in
> the log flags...
Yeah I know, but I didn't really want to make a new tcg opts set of
flags as it's more of logging clarity kinda option. Of course this
glosses over the fact it is also useful for tcg trace-events (when I
send them).
Is it time to expose a set of TCG fiddling variables?
>
> thanks
> -- PMM
--
Alex Bennée
- [Qemu-devel] [PATCH v2 0/7] qemu-log: various fixes and enhancements, Alex Bennée, 2014/03/28
- [Qemu-devel] [PATCH v2 1/7] qemu-log: correct help text for -d cpu, Alex Bennée, 2014/03/28
- [Qemu-devel] [PATCH v2 2/7] qemu-log: Avoid function call for disabled qemu_log_mask logging, Alex Bennée, 2014/03/28
- [Qemu-devel] [PATCH v2 4/7] qemu-log: support simple pid substitution in logfile, Alex Bennée, 2014/03/28
- [Qemu-devel] [PATCH v2 3/7] qemu-log: Improve the "exec" TB execution logging, Alex Bennée, 2014/03/28
- [Qemu-devel] [PATCH v2 5/7] qemu-log: new option -dfilter to limit output, Alex Bennée, 2014/03/28
- [Qemu-devel] [PATCH v2 6/7] qemu-log: dfilter-ise exec, in_asm, out_asm, and op_opt, Alex Bennée, 2014/03/28
- [Qemu-devel] [PATCH v2 7/7] qemu-log: add nochain option to disable TB chaining, Alex Bennée, 2014/03/28