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Cc: Robert Watson <rwatson@freebsd.org>, John Birrell <jb@what-creek.com>,
	current@freebsd.org
Subject: Re: DTrace for FreeBSD - fbt output
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On Wednesday 14 June 2006 05:54, John Birrell wrote:
> > > critical_enter                                           4364385478
> > > critical_exit                                            4364385478
>=20
> The points I wanted to make about these calls are:
>=20
> 1. critical_enter is called so often that the debug printf that /could/
>    be compiled into it should cause an increase in global warming if
>    you tried. 8-)

No, it's not a printf to the console it's a printf into the a circular
buffer (see options KTR) and the system has been run with it enabled w/o
burning the machine up. :)

=2D-=20
John Baldwin <jhb@FreeBSD.org> =A0<>< =A0http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" =A0=3D =A0http://www.FreeBSD.org