Date: Sat, 4 Jan 2003 15:49:13 -0600 From: Trent Nelson <trent@arpa.com> To: phk@freebsd.org Cc: freebsd-current@freebsd.org Subject: Re: systat -ifstat patch Message-ID: <20030104214913.GA11874@arpa.com> In-Reply-To: <3193.1041713447@critter.freebsd.dk> References: <20030104161950.GA56080@arpa.com> <3193.1041713447@critter.freebsd.dk>
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On Sat, Jan 04, 2003 at 09:50:47PM +0100, phk@freebsd.org wrote:
> This looks pretty useful.
Thanks! I think so, so have most other people I've spoken to.
> As far as I can see you have some genuine fixes in there:
>
> >--- /shared/data/trent/src/src/usr.bin/systat/cmds.c Wed Dec 12 00:13:37 2001
> >+++ /usr/src/usr.bin/systat/cmds.c Sat Jan 4 14:11:32 2003
> >@@ -119,6 +119,7 @@
> > goto done;
> > alarm(0);
> > (*curcmd->c_close)(wnd);
> >+ curcmd->c_flags &= ~CF_INIT;
> > wnd = (*p->c_open)();
> > if (wnd == 0) {
> > error("Couldn't open new display");
>
> We should probably commit them in a separate commit first.
I agree. That particular bug caused me a lot of grief this morning
before I tracked it down. None of the other displays were affected
'cause they didn't have to allocate any structures dynamically.
I've attached cmds.c.patch to this e-mail.
> >diff -uBN /shared/data/trent/src/src/usr.bin/systat/convtbl.c /usr/src/usr.bin/systat/convtbl.c
> >--- /shared/data/trent/src/src/usr.bin/systat/convtbl.c Thu Jan 1 01:00:00 1970
> >+++ /usr/src/usr.bin/systat/convtbl.c Sat Jan 4 00:13:11 2003
> >@@ -0,0 +1,98 @@
>
> This is only used for the ifstat page, right ? Should/Could bits
> of the other code use it as well ?
Yup, it's currently only used for the ifstat display. No other
displays did automatic scaling so I had to write it from scratch.
The only possible contender for using this code would be vmstat's
disk usage stats on the bottom left of the screen -- but I think
that would just unnecessarily clutter the display more than it
already is.
What would be nice is a new diskstat display that is the same as
ifstat, except you display transfer rates for drives on the system.
I think a lot of people would find this useful (possibly even more
so than the ifstat display). What do you think?
> > .\" @(#)systat.1 8.2 (Berkeley) 12/30/93
> >-.\" $FreeBSD: src/usr.bin/systat/systat.1,v 1.36 2002/12/27 12:15:35 schweikh Exp $
> >+.\" $FreeBSD: src/usr.bin/systat/systat.1,v 1.23.2.9 2002/12/29 16:35:40 schweikh Exp $
>
> This looks worrisome to me, and some of the deltas look more so:
Erm. Eek. I think I copied the -stable systat.1 into my -current
sources. I fixed this in the new patch, which can be found at
http://arpa.com/~trent. My bad.
(``systat-ifstat-current.patch'' also now has the modification to
cmds.c taken out and placed separately in ``cmds.c.patch''.)
> Otherwise I think it looks good.
Glad to hear it.
> Poul-Henning Kamp
Regards,
Trent.
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Index: cmds.c
===================================================================
RCS file: /home/ncvs/src/usr.bin/systat/cmds.c,v
retrieving revision 1.4
diff -u -r1.4 cmds.c
--- cmds.c 12 Dec 2001 00:13:37 -0000 1.4
+++ cmds.c 4 Jan 2003 14:11:32 -0000
@@ -119,6 +119,7 @@
goto done;
alarm(0);
(*curcmd->c_close)(wnd);
+ curcmd->c_flags &= ~CF_INIT;
wnd = (*p->c_open)();
if (wnd == 0) {
error("Couldn't open new display");
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