Date: Sat, 21 Jul 2018 19:15:53 +0200 From: Alexander Leidinger <Alexander@leidinger.net> To: Mark Johnston <markj@freebsd.org>, John Baldwin <jhb@freebsd.org> Cc: hackers@freebsd.org Subject: Re: crashinfo doesn't support compressed crashdumps - which way forward? Message-ID: <20180721191553.Horde.rdWCQWOsM1XETkWQIJ4mWUc@webmail.leidinger.net> In-Reply-To: <20180712183557.GD15892@raichu> References: <20180712141409.Horde.NVSzLsvqE-2PCSDqhhfb0Xd@webmail.leidinger.net> <20180712143118.GA15892@raichu> <6858738d-7eef-cc0f-10bd-900fb822fecd@FreeBSD.org> <20180712183557.GD15892@raichu>
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This message is in MIME format and has been PGP signed. --=_cRPOi6cJG8JUTZkp4QLMTYY Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Quoting Mark Johnston <markj@freebsd.org> (from Thu, 12 Jul 2018=20=20 14:35:57=20-0400): > On Thu, Jul 12, 2018 at 09:09:02AM -0700, John Baldwin wrote: >> Yes, here's the patch for 2 which has been tested. 4) is pretty hard >> to do in practice as you have to basically decompress into RAM when >> reading the core to do anything useful as opposed to a format that >> only compressed certain parts (e.g. if the page tables were not >> compressed only the payload in a minidump, and if it were compressed >> on some kind of block boundaries so that you could locate a given >> block and decompress it when reading specific data). Coming up with >> such a format would be more useful but requires more work. > > That patch looks ok to me, FWIW. As I pointed out, it's easy enough to > just disable crashinfo if one doesn't want the extraction to take place. Hi John, what about committing this patch? If you are too busy, do you mind if I commit it? Bye, Alexander. --=20 http://www.Leidinger.net=20Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF --=_cRPOi6cJG8JUTZkp4QLMTYY Content-Type: application/pgp-signature Content-Description: Digitale PGP-Signatur Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJbU2pJAAoJEKrxQhqFIICEoyoP/3XaWKCQbPTrNhsiapP51ko9 Gm2n43MshkHRBeY7pgCw1BdOyCC0pU3c3wbMtRpcWChHoM4RqpHyGePFmINQ5OPI sNINzKqc8y4srWJEYFynGP4FdWI4+eVU2Zmv6MeWMVwS1vApWGhuNnjYlV2/Wzfh Kj1E9ERbDhhaERuFMUO/gryagmtQkpNegj2lzSv+ApO1QC2rOsHLc4bGa6ueiyXx U46piPgjwzQzCnjp44qJFeX3rqGc95sZjAN8ZzXGqGvLjJAqcSAQKSOTtHsM+zk+ QiTt2bctvBtETO/VsWAYozQ1aURbX2cgyE635o7OPl06ccMRf73tgMw2AS4EeHm7 gZxQDCKmhlUeJd56oAYSwvDpSB34uHikr6brnNBQaoh60ROO3Un+Xvsn8tMg6ZYq fdMHOvg7gQ/gwtWOOKmwwrX0vDYedcet9WOaVm8U1aXKcEII8FH3mUGimmnNYptg h0dPo2EESQCh3uwzsu3s2+SWDraZI3I0mJP2PSkT9FFqMCfMfH37dnzHtv9V12jJ 6p0whFF8W/p1hdC/dRT0a7PSCD6QU4V6IQghxiVvlwmUBy7VIljIM+2Naz2aEXf5 CDX6degfGQ1M8QRx9Q5AFpQu2xVNqiavzF/NMBFBFQctYTTSzcUD1ZuFOjz7FjOt 9GQplckD364x4bcCNKFT =CaK/ -----END PGP SIGNATURE----- --=_cRPOi6cJG8JUTZkp4QLMTYY--
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