Re: Propose for Several Dump types

From: Jun Su (csujun_at_gmail.com)
Date: 12/15/04

  • Next message: Poul-Henning Kamp: "Re: Propose for Several Dump types" 
    Date: Wed, 15 Dec 2004 09:44:08 +0800
To: Poul-Henning Kamp <phk@phk.freebsd.dk>

    On Tue, 14 Dec 2004 08:48:44 +0100, Poul-Henning Kamp
    <phk@phk.freebsd.dk> wrote:
    > In message <cd4370cf04121323433255da9d@mail.gmail.com>, Jun Su writes:
    >
    > >MiniDump
    > >=======
    > >In a minidump, Register info, plus the crash stack is enough.
    >
    > Make it an EVENTHANDLER() and dump it in ascii format.
                                                           ^^^^^^^^^^^^
    Don't think the ascii format is a good choose. We can only dump the
    information like the ones we can get in the KDB. My propose is storing
    the pages that the stack point is in. Then we can get more useful
    stack in the userland with the kernel file and kernel symbol.
    >
    > That way any kernel subsystem can hook in a function and dump
    > potentially relevant information.
    >
    > --
    > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
    > phk@FreeBSD.ORG | TCP/IP since RFC 956
    > FreeBSD committer | BSD since 4.3-tahoe
    > Never attribute to malice what can adequately be explained by incompetence.
    > 

    -- 
-- Jun Su
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