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Re: [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default
From: |
Lluís |
Subject: |
Re: [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default |
Date: |
Wed, 10 Nov 2010 22:20:27 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
Blue Swirl writes:
> On Wed, Nov 10, 2010 at 7:57 PM, Lluís <address@hidden> wrote:
>> Blue Swirl writes:
>>
>>> On Wed, Nov 10, 2010 at 5:59 PM, Lluís <address@hidden> wrote:
>>>> So, my patch is just a matter of having all events available _only_ when
>>>> you use a backend other than "nop".
>>
>>> Then the default for simpletrace (and dtrace?) should also be disabled
>>> initial state. If you have 1000 tracepoints automatically enabled at
>>> start (with simpletrace, not nop), disabling all of them if you are
>>> only interested in a few of them is difficult.
>>
>> That's how it is. The patch sets always ".state=0" in "simple", and
>> "dtrace" just does not do anything unless you plug something into the
>> probe (similarly with "ust").
> Oh, I missed .state=0 part, it was also not mentioned in the
> description. Then these changes should be OK.
My fault. If these are to be merged I can cook up a new series with a
more verbose description.
Lluis
--
"And it's much the same thing with knowledge, for whenever you learn
something new, the whole world becomes that much richer."
-- The Princess of Pure Reason, as told by Norton Juster in The Phantom
Tollbooth
- [Qemu-devel] [PATCH v2 1/3] trace: [ust] fix generation of 'trace.c' on events without args, Lluís, 2010/11/09
- [Qemu-devel] [PATCH v2 2/3] trace: always use the "nop" backend on events with the "disable" keyword, Lluís, 2010/11/09
- [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default, Lluís, 2010/11/09
- Re: [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default, Blue Swirl, 2010/11/10
- Re: [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default, Lluís, 2010/11/10
- Re: [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default, Blue Swirl, 2010/11/10
- Re: [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default, Lluís, 2010/11/10
- Re: [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default, Blue Swirl, 2010/11/10
- Re: [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default,
Lluís <=
- Re: [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default, Stefan Hajnoczi, 2010/11/11
- Re: [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default, Stefan Hajnoczi, 2010/11/16
- Re: [Qemu-devel] [PATCH v2 3/3] trace: enable all events by default, Lluís, 2010/11/17
Re: [Qemu-devel] [PATCH v2 1/3] trace: [ust] fix generation of 'trace.c' on events without args, Stefan Hajnoczi, 2010/11/09