Date: Fri, 17 Sep 2010 23:36:45 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Norberto Lopes <nlopes.ml@gmail.com> Cc: freebsd-current@freebsd.org, netchild@freebsd.org Subject: Re: Extend ktrace/kdump output Message-ID: <20100917203645.GS2389@deviant.kiev.zoral.com.ua> In-Reply-To: <8C5C36F5-A070-4CBA-8B8C-6751F8D636E1@gmail.com> References: <8C5C36F5-A070-4CBA-8B8C-6751F8D636E1@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--uX7BrQs69PbBafpd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 17, 2010 at 09:55:26PM +0200, Norberto Lopes wrote: > Hi. > I've been taking a look at ktrace and kdump in order to get (1) familiar = with the sources and (2) to finally try to give back something to the commu= nity. >=20 > So far from what I've seen, and after reading this thread http://lists.fr= eebsd.org/pipermail/freebsd-arch/2006-April/005107.html it seems that most = of those points got done. >=20 > To warm up I changed the output of the stat structure in order to provide= me with the device name (something I actually find useful for me sometimes) >=20 > Instead of: > 22596 cat STRU struct stat {dev=3D89, ino=3D3320836, mode=3D-r--r-= -r-- , nlink=3D1, uid=3D0, gid=3D0, atime=3D1284725358, stime=3D1284485510,= ctime=3D1284485510, birthtime=3D1284485509, size=3D1172220, blksize=3D1638= 4, blocks=3D2336, flags=3D0x20000 } >=20 > I get this now (including major and minor): > 22596 cat STRU struct stat {dev=3D<id=3D89:M=3D0:m=3D89> (/dev/ad4= s1a), ino=3D3320836, mode=3D-r--r--r-- , nlink=3D1, uid=3D0, gid=3D0, atime= =3D1284725358, stime=3D1284485510, ctime=3D1284485510, birthtime=3D12844855= 09, size=3D1172220, blksize=3D16384, blocks=3D2336, flags=3D0x20000 } >=20 > I wouldn't mind having someone help me whenever and if I get stuck on the= technical side (*wink* Alexander Leidinger *wink*) and also to give me mor= e insight on what the road to help in this should be. >=20 > P.S.: I'm still going through "man style" hence no patch attached. If any= one finds this one useful, I'll reply with the patch though.=20 >=20 How do you look up the device name by st_dev ? Note that the number is generated by devfs at the moment of cdev creation. It is only valid on the machine where stat(2) is done, and only due to the next reboot. --uX7BrQs69PbBafpd Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEYEARECAAYFAkyT0VwACgkQC3+MBN1Mb4jDKQCdHprRPpvbNvS/3YP6M9wCnvNB NNIAoJb4mvgdHGu34JuSV5vVmr9Xc61Q =grLI -----END PGP SIGNATURE----- --uX7BrQs69PbBafpd--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20100917203645.GS2389>