From: "Metzger, Markus T" <markus.t.metzger@intel.com>
To: "Willgerodt, Felix" <felix.willgerodt@intel.com>
Cc: "gdb-patches@sourceware.org" <gdb-patches@sourceware.org>
Subject: RE: [PATCH v5 09/10] btrace, python: Enable ptwrite filter registration.
Date: Wed, 14 Sep 2022 08:37:19 +0000 [thread overview]
Message-ID: <DM8PR11MB574977C381D2E710FFC94FA0DE469@DM8PR11MB5749.namprd11.prod.outlook.com> (raw)
In-Reply-To: <MN2PR11MB4566DF990F71585020DFCE4D8E949@MN2PR11MB4566.namprd11.prod.outlook.com>
Hello Felix,
Sorry for the late reply. I just found this in my inbox.
>> >I get your argumentation. I still think ptw_filter is perfectly fine. As that is
>> >what it will always be, even for other extension languages. I see it more
>> >from a "global GDB" perspective, rather than "btrace vs python" or from a
>> >"callback concept" POV.
>> >Regardless, I will call it to ptw_context in the next revision. Is that ok?
>>
>> That sounds OK. How about avoiding the problem by doing it with a C++
>> callable?
>
>I don't think I completely follow what you are proposing or what we would
>gain. I guess I can make the callback_fun e.g. a std::function or a
>callable class/struct. We will still need to save a pointer for the
>ptw_context/filter in btinfo (or the callable class/struct member), as we pass
>that to the Python C API. To me this doesn't avoid the naming problem.
We'd hide the context inside the object so we don't need to find a name for it.
I'm also fine with the callback/context terminology.
>Pruning on inferior exit only helps in certain cases.
>We can't get a complete "all-past-threads" list from GDB for an exited
>inferior though. And we can't just remove every dict entry except for
>"global", as we could be debugging multiple inferiors.
>
>What I could do is add e.g. the inferior id to the dict. And prune only these on
>inferior exit:
That sounds good.
regards,
markus.
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next prev parent reply other threads:[~2022-09-14 8:38 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-22 11:43 [PATCH v5 00/10] Extensions for PTWRITE Felix Willgerodt
2022-06-22 11:43 ` [PATCH v5 01/10] btrace: Introduce auxiliary instructions Felix Willgerodt
2022-06-28 9:10 ` Metzger, Markus T
2022-06-22 11:43 ` [PATCH v5 02/10] btrace: Enable auxiliary instructions in record instruction-history Felix Willgerodt
2022-06-28 9:10 ` Metzger, Markus T
2022-06-28 11:28 ` Willgerodt, Felix
2022-06-29 10:43 ` Metzger, Markus T
2022-06-22 11:43 ` [PATCH v5 03/10] btrace: Enable auxiliary instructions in record function-call-history Felix Willgerodt
2022-06-28 9:10 ` Metzger, Markus T
2022-09-19 8:59 ` Willgerodt, Felix
2022-06-22 11:43 ` [PATCH v5 04/10] btrace: Handle stepping and goto for auxiliary instructions Felix Willgerodt
2022-06-28 9:11 ` Metzger, Markus T
2022-06-22 11:43 ` [PATCH v5 05/10] python: Introduce gdb.RecordAuxiliary class Felix Willgerodt
2022-06-28 9:11 ` Metzger, Markus T
2022-07-11 12:48 ` Willgerodt, Felix
2022-06-22 11:43 ` [PATCH v5 06/10] python: Add clear() to gdb.Record Felix Willgerodt
2022-06-28 9:11 ` Metzger, Markus T
2022-06-22 11:43 ` [PATCH v5 07/10] btrace, gdbserver: Add ptwrite to btrace_config_pt Felix Willgerodt
2022-06-28 9:11 ` Metzger, Markus T
2022-06-22 11:43 ` [PATCH v5 08/10] btrace, linux: Enable ptwrite packets Felix Willgerodt
2022-06-28 9:12 ` Metzger, Markus T
2022-06-22 11:43 ` [PATCH v5 09/10] btrace, python: Enable ptwrite filter registration Felix Willgerodt
2022-06-28 13:59 ` Metzger, Markus T
2022-07-11 12:48 ` Willgerodt, Felix
2022-07-12 12:23 ` Metzger, Markus T
2022-07-13 8:49 ` Willgerodt, Felix
2022-07-13 15:20 ` Metzger, Markus T
2022-07-26 14:08 ` Willgerodt, Felix
2022-09-14 8:37 ` Metzger, Markus T [this message]
2022-06-22 11:43 ` [PATCH v5 10/10] btrace: Extend ptwrite event decoding Felix Willgerodt
2022-06-29 13:35 ` Metzger, Markus T
2022-09-19 8:59 ` Willgerodt, Felix
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