Date: Mon, 23 Sep 2002 11:00:56 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: John Wards <j.wards@sportnetwork.net> Cc: questions@FreeBSD.ORG Subject: Re: top command Message-ID: <20020923100056.GE4587@happy-idiot-talk.infracaninophi> In-Reply-To: <00e301c262e3$1e0a6090$6500a8c0@JOHNCOMP> References: <00e301c262e3$1e0a6090$6500a8c0@JOHNCOMP>
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On Mon, Sep 23, 2002 at 10:25:03AM +0100, John Wards wrote:
> What does the following mean when running 'top'
These process states generally indicate what system call the process
has blocked in:
> sbwait
Wait for data to arrive at/drain from a socket buffer --- see
/usr/src/sys/kern/uipc_socket2.c, recv(2)
> lockf
Waiting to acquire a lock on a file. See lockf(3)
> select
Waiting for any of a set of file descriptors to become ready for
IO. See select(2).
> poll
Similar to select(2), waiting for file descriptors to become ready
for IO. poll(2) is a more recently developed replacement for
select(2). See the poll(2) man page.
--
Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks
Savill Way
Marlow
Tel: +44 1628 476614 Bucks., SL7 1TH UK
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