From: BALATON Zoltan <balaton@eik.bme.hu>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Kevin Wolf" <kwolf@redhat.com>,
"Peter Maydell" <peter.maydell@linaro.org>,
"Eduardo Habkost" <ehabkost@redhat.com>,
qemu-block@nongnu.org, qemu-devel@nongnu.org,
"Markus Armbruster" <armbru@redhat.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
"Cleber Rosa" <crosa@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: Re: [PULL 10/11] trace: document how to specify multiple --trace patterns
Date: Mon, 1 Feb 2021 18:39:49 +0100 (CET) [thread overview]
Message-ID: <81fbad73-b911-cfb6-dc9f-142ccaee678f@eik.bme.hu> (raw)
In-Reply-To: <32b015e1-f182-8557-72d1-6827e4f0a09b@redhat.com>
On Mon, 1 Feb 2021, Paolo Bonzini wrote:
> On 01/02/21 17:54, Kevin Wolf wrote:
>>> How does this option parsing work? Would then multiple patterns separated
>>> by
>>> comma as in -trace pattern1,pattern2 also work?
>> This would be interpreted as an implied "enable" option with a value of
>> "pattern1,pattern2". I don't think anything splits that string at the
>> comma, so it would look for a trace event matching that string.
>
> Even worse, it would be interpreted as "-trace enable=pattern1,pattern2=on"
> (and raise a warning since recently).
Not very intuitive... What would -trace enable=pattern1,enable=pattern2 do
then?
next prev parent reply other threads:[~2021-02-01 17:41 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-01 15:46 [PULL 00/11] Tracing patches Stefan Hajnoczi
2021-02-01 15:46 ` [PULL 01/11] trace: fix simpletrace doc mismerge Stefan Hajnoczi
2021-02-01 15:46 ` [PULL 02/11] tracing: convert documentation to rST Stefan Hajnoczi
2021-02-01 15:46 ` [PULL 03/11] trace: recommend "log" backend for getting started with tracing Stefan Hajnoczi
2021-02-01 15:46 ` [PULL 04/11] tracetool: fix "PRI" macro decoding Stefan Hajnoczi
2021-02-01 15:46 ` [PULL 05/11] tracetool: also strip %l and %ll from systemtap format strings Stefan Hajnoczi
2021-02-01 15:46 ` [PULL 06/11] trace: add meson custom_target() depend_files for tracetool Stefan Hajnoczi
2021-02-01 15:46 ` [PULL 07/11] error: rename error_with_timestamp to message_with_timestamp Stefan Hajnoczi
2021-02-01 15:47 ` [PULL 08/11] trace: make the 'log' backend timestamp configurable Stefan Hajnoczi
2021-02-01 15:47 ` [PULL 09/11] simpletrace: build() missing 2 required positional arguments Stefan Hajnoczi
2021-02-01 15:47 ` [PULL 10/11] trace: document how to specify multiple --trace patterns Stefan Hajnoczi
2021-02-01 16:05 ` BALATON Zoltan
2021-02-01 16:13 ` Kevin Wolf
2021-02-01 16:27 ` Philippe Mathieu-Daudé
2021-02-01 16:29 ` BALATON Zoltan
2021-02-01 16:54 ` Kevin Wolf
2021-02-01 17:25 ` Paolo Bonzini
2021-02-01 17:39 ` BALATON Zoltan [this message]
2021-02-02 12:41 ` Markus Armbruster
2021-02-02 13:03 ` BALATON Zoltan
2021-02-02 13:12 ` Paolo Bonzini
2021-02-01 17:46 ` Daniel P. Berrangé
2021-02-01 18:13 ` BALATON Zoltan
2021-02-02 16:47 ` Stefan Hajnoczi
2021-02-01 15:47 ` [PULL 11/11] trace: update docs with meson build information Stefan Hajnoczi
2021-02-02 11:24 ` [PULL 00/11] Tracing patches Peter Maydell
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