Date: Thu, 26 Jan 2006 00:11:22 +0000 (GMT) From: Robert Watson <rwatson@FreeBSD.org> To: Pranav Peshwe <pranavpeshwe@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: KTR not working !! Message-ID: <20060126001021.B89523@fledge.watson.org> In-Reply-To: <cdfd7d6d0601250034n2e723f94j12f94cb2c82e1fb2@mail.gmail.com> References: <cdfd7d6d0601250034n2e723f94j12f94cb2c82e1fb2@mail.gmail.com>
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On Wed, 25 Jan 2006, Pranav Peshwe wrote: > Hello, > I recompiled the kernel with KTR (4) support.But i could find the > logged messages nowhere ! When i use 'ktrdump' on the console ,the ouput is > : You might take a glance at: http://www.watson.org/~robert/freebsd/netperf/ktr/ And make sure you didn't miss any steps. In particulare, make sure that you have both compiled in support for the ktrace record types you want, and enabled them at runtime. Robert N M Watson > > index trace > ------ ----- > > When i try to view the logging from DDB by issuing 'show ktr', only a > message saying '--- End of trace buffer ---' is displayed. > > I paste a portion (related to debugging options) of the config file i > used, to recompile the kernel. > > #----- > options KTR > options KTR_ENTRIES=8192 > options KTR_VERBOSE > > options INVARIANTS > options INVARIANT_SUPPORT > options WITNESS > options WITNESS_KDB > > options KDB > options KDB_TRACE > options DDB > options GDB > options BREAK_TO_DEBUGGER > #----- > > Am i missing something very important ? How can i view the > information logged by the various CTR[0-5] macros used in the kernel > source ? > > TIA. > > Regards, > Pranav > > --------------------------------------------------------------------------- > Heisenberg is out for a drive when he's stopped by a traffic cop. > The cop says: "Do you know how fast you were going?" > Heisenberg replies: "No,but I know where I am" > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >
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