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From: Yichao Yu <yyc1992@gmail.com>
To: Pedro Alves <palves@redhat.com>
Cc: gdb@sourceware.org, Paul Pluzhnikov <ppluzhnikov@google.com>
Subject: Re: JIT debugging (Attach and speed)
Date: Tue, 22 Mar 2016 16:23:00 -0000	[thread overview]
Message-ID: <CAMvDr+TRSF16fKnnb9tWD4Xctek31Sdgx2m1ct=UctXL_b9vuA@mail.gmail.com> (raw)
In-Reply-To: <56F16F8F.9050404@redhat.com>

On Tue, Mar 22, 2016 at 12:15 PM, Pedro Alves <palves@redhat.com> wrote:
> On 03/22/2016 03:46 PM, Pedro Alves wrote:

> I re-read the 2011 discussion, and it seems like we had an idea for a fix:

IIUC the proposed fix might cause regression in some cases?

>>
>> Do you know whether this happens with 7.11 and master, and if so,
>> would it be possible for you to git bisect the culprit?

This is 7.11 package from ArchLinux. I could try bi-secting although
apparently you are faster at pin-point the issue.

>
> Currently, jit_inferior_created_hook -> jit_inferior_init is only
> called when the inferior execs...
>
> Grepping around, I think that might have been
> the fix for PR gdb/13431 (03bef283c2d3):
>  https://sourceware.org/ml/gdb-patches/2012-02/msg00023.html
> which removed the inferior_created (jit_inferior_created_observer).
>
> Adding an inferior_created observer back likely fixes the issue.

I'm happy to test patches.

>
> Thanks,
> Pedro Alves
>


  reply	other threads:[~2016-03-22 16:23 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-22 14:56 Yichao Yu
2016-03-22 15:46 ` Pedro Alves
2016-03-22 16:10   ` Paul Pluzhnikov
2016-03-22 16:15   ` Pedro Alves
2016-03-22 16:23     ` Yichao Yu [this message]
2016-03-22 16:41       ` Pedro Alves
2016-03-22 16:47         ` Yichao Yu
2016-03-22 17:00           ` Pedro Alves
2016-03-23  2:18             ` Yichao Yu
2016-03-23  4:51               ` Yichao Yu
2016-03-23 18:24                 ` Pedro Alves
2016-03-23 19:32                   ` Yichao Yu
2016-03-23 19:48                     ` Pedro Alves
2016-03-23 20:51                       ` Yichao Yu
2016-03-24  1:17                         ` Pedro Alves
2016-03-24  3:14                           ` Yichao Yu
2016-03-24 21:02                             ` Yichao Yu
2016-03-23 12:24               ` Pedro Alves
2016-03-23 13:31                 ` Pedro Alves

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