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Date:      Tue, 28 Aug 2012 00:47:13 +0400
From:      Lev Serebryakov <lev@FreeBSD.org>
To:        John Baldwin <jhb@freebsd.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: What is "Fast task queue"? (Was: How to understand what `swi5' kernel thread does?)
Message-ID:  <1758728845.20120828004713@serebryakov.spb.ru>
In-Reply-To: <201208271226.03496.jhb@freebsd.org>
References:  <135297243.20120827061957@serebryakov.spb.ru> <198519466.20120827164646@serebryakov.spb.ru> <201208271226.03496.jhb@freebsd.org>

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Hello, John.
You wrote 27 =D0=B0=D0=B2=D0=B3=D1=83=D1=81=D1=82=D0=B0 2012 =D0=B3., 20:26=
:03:

>>  What "fast tasks" are performed via this queue? Under network load it
>> is main consumer of CPU.
JB> Certain NIC drivers perform much of their interrupt handling in that th=
read.
  Yep,  I've found, that my if_vr uses it. One more question: does ipfw
 rules works in same thread? I have ``net.isr.dispatch=3D"direct"'' set.


--=20
// Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>




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