From: "Alex Bennée" <alex.bennee@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>
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 [thread overview]
Message-ID: <87k3beb4gp.fsf@linaro.org> (raw)
In-Reply-To: <CAFEAcA8XpA8aPCV0k07WnTPwg2ePawCc2u+QS9BuHNhpWGSzxA@mail.gmail.com>
Peter Maydell <peter.maydell@linaro.org> writes:
> On 28 March 2014 16:43, Alex Bennée <alex.bennee@linaro.org> 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
prev parent reply other threads:[~2014-03-28 17:47 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-28 16:43 [Qemu-devel] [PATCH v2 0/7] qemu-log: various fixes and enhancements Alex Bennée
2014-03-28 16:43 ` [Qemu-devel] [PATCH v2 1/7] qemu-log: correct help text for -d cpu Alex Bennée
2014-03-28 16:43 ` [Qemu-devel] [PATCH v2 2/7] qemu-log: Avoid function call for disabled qemu_log_mask logging Alex Bennée
2014-03-28 16:43 ` [Qemu-devel] [PATCH v2 3/7] qemu-log: Improve the "exec" TB execution logging Alex Bennée
2014-03-28 16:43 ` [Qemu-devel] [PATCH v2 4/7] qemu-log: support simple pid substitution in logfile Alex Bennée
2014-03-28 16:43 ` [Qemu-devel] [PATCH v2 5/7] qemu-log: new option -dfilter to limit output Alex Bennée
2014-03-28 16:43 ` [Qemu-devel] [PATCH v2 6/7] qemu-log: dfilter-ise exec, in_asm, out_asm, and op_opt Alex Bennée
2014-03-28 16:43 ` [Qemu-devel] [PATCH v2 7/7] qemu-log: add nochain option to disable TB chaining Alex Bennée
2014-03-28 17:34 ` Peter Maydell
2014-03-28 17:47 ` Alex Bennée [this message]
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