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From: Tom Tromey <tromey@redhat.com>
To: Pedro Alves <palves@redhat.com>
Cc: lgustavo@codesourcery.com,
	"gdb\@sourceware.org" <gdb@sourceware.org>,
	       "Maciej W. Rozycki" <macro@codesourcery.com>
Subject: Re: Unreliable BFD caching heuristic
Date: Thu, 21 Nov 2013 21:58:00 -0000	[thread overview]
Message-ID: <87bo1dfmd0.fsf@fleche.redhat.com> (raw)
In-Reply-To: <528E49B8.8090409@redhat.com> (Pedro Alves's message of "Thu, 21	Nov 2013 17:58:16 +0000")

>>>>> "Pedro" == Pedro Alves <palves@redhat.com> writes:

>> Do you have any proposals on ways to improve this heuristic?

Pedro> Compare st_ino/st_dev, and don't share if the system doesn't
Pedro> provide meaningful bfd_stat data?

Pedro> symfile.c:separate_debug_file_exists does this already,
Pedro> and then does a CRC check if all else fails.  Not sure
Pedro> whether the CRC part would be a good idea here.

Using the nanosecond information given by stat would help, at least on
platforms where this exists.

Tom


  reply	other threads:[~2013-11-21 21:58 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-21 17:39 Luis Machado
2013-11-21 17:58 ` Pedro Alves
2013-11-21 21:58   ` Tom Tromey [this message]
2013-11-23 12:14     ` Phi Debian
2013-11-25 17:45   ` Luis Machado
2013-11-25 18:07     ` Pedro Alves
2013-11-25 18:08     ` Maciej W. Rozycki
2013-11-25 18:21     ` Pedro Alves
2013-12-02 15:42 ` Tom Tromey
2013-12-03 15:28   ` Luis Machado
     [not found]     ` <CAC=yr6DRDsRLStnDNZW_2=0vOQY-oJHd55_nLUeb8Qetxo=yXw@mail.gmail.com>
2013-12-04  0:01       ` Luis Machado
2013-12-04  3:47         ` Eli Zaretskii
2013-12-04 15:54           ` Tom Tromey

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