Date: Thu, 7 Jun 2012 16:44:40 -0400 From: Ryan Stone <rysto32@gmail.com> To: Alexander Leidinger <Alexander@leidinger.net> Cc: Attilio Rao <attilio@freebsd.org>, grav <des@des.no>, Adrian Chadd <adrian@freebsd.org>, arch@freebsd.org, Dag-Erling@freebsd.org Subject: Re: KTR_SPAREx Message-ID: <CAFMmRNxUoXixSwewEQTrzP7k2oMDsxu8MtskTBDbhvj_ot46rQ@mail.gmail.com> In-Reply-To: <20120607220933.00003865@unknown> References: <86bokyvtc2.fsf@ds4.des.no> <CAJ-FndAMsoB1RAyS-Pa1JCv7W0qsviRxtShZ3uk_Tpd%2BJ_EBaQ@mail.gmail.com> <CAJ-FndAadYbqiWUTupXLEcRMkYYL50Ssehi8f8vv6YXvQzy4OA@mail.gmail.com> <CAJ-Vmo=F-=1UYcW0xBiNbjHa8CN7S=iDJ_bQDn4ESS3CumJf_A@mail.gmail.com> <CAJ-FndAjcfd21xwYHPrSxgz32eHp2xTGRao1Kyqx4yBZTPD94A@mail.gmail.com> <20120607220933.00003865@unknown>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, Jun 7, 2012 at 4:09 PM, Alexander Leidinger <Alexander@leidinger.net> wrote: > How many of them need to run very early so that not enough > kernel infrastructure is available to run dtrace (can we run dtrace > scripts very early during boot (when enough kernel infrastructure is > available, before anything in userland starts) like in Solaris)? We don't currently have boot-time DTrace in FreeBSD. We also don't have post mortem DTrace (ie the equivalent of ktrdump -m). However, I would suspect that most of the cases in the tree where drivers have been checked in using KTR_SPARE could be replaced by DTrace.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAFMmRNxUoXixSwewEQTrzP7k2oMDsxu8MtskTBDbhvj_ot46rQ>