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From: Tom Tromey <tom@tromey.com>
To: SCOTT FIELDS via Gdb <gdb@sourceware.org>
Cc: "gdb@gnu.org" <gdb@gnu.org>,  SCOTT FIELDS <Scott.Fields@kyndryl.com>
Subject: Re: Getting core estimate for "gcore" command and conversely gcore/generate-core-file in GDB
Date: Fri, 08 Sep 2023 10:56:29 -0600	[thread overview]
Message-ID: <87il8kli2q.fsf@tromey.com> (raw)
In-Reply-To: <CY8PR14MB5931CCE141777E6626F4F4558AE8A@CY8PR14MB5931.namprd14.prod.outlook.com> (SCOTT FIELDS via Gdb's message of "Tue, 5 Sep 2023 18:25:41 +0000")

>>>>> SCOTT FIELDS via Gdb <gdb@sourceware.org> writes:

> Are there other commands that will estimate the current space required
> for a successful run of "gcore"?  Neither "gcore" command or
> gcore/generate-core-file command in GDB provide any option to get such
> an estimate.

> Has there been a request to get this kind of information from "gcore"
> as a future enhancement, since it can be difficult to know just how
> much space a large running process actually needs.

I've never heard such a request.

Looking at gcore.c, it seems reasonably possible to implement this.
Look at gcore_create_callback to see how it decides how to size the
various sections.  Without trying, it is hard to say if there is some
hidden gotcha.

Tom

  parent reply	other threads:[~2023-09-08 16:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-05 18:25 SCOTT FIELDS
2023-09-05 18:41 ` SCOTT FIELDS
2023-09-08 16:56 ` Tom Tromey [this message]
2023-09-08 17:07   ` Luis Machado
2023-09-08 17:29   ` SCOTT FIELDS
2023-09-08 22:41     ` Tom Tromey

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