From owner-freebsd-current  Sat Oct 24 14:27:06 1998
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Message-ID: <3632462A.A9A4503A@cs.uni-sb.de>
Date: Sat, 24 Oct 1998 23:27:06 +0200
From: Daniel Rock <rock@cs.uni-sb.de>
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To: Mike Smith <mike@smith.net.au>
CC: current@FreeBSD.ORG
Subject: Re: vmstat, nfsstat broken
References: <199810241942.MAA05846@dingo.cdrom.com>
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Mike Smith schrieb:
> 
> > vmstat doesn't seem to like ELF kernels. With aout kernels "vmstat -i"
> > works, but with ELF ones, I get the following error message:
> > vmstat: symbol intrcnt not defined
> > After taking a short look at the code, I suspect it may be associated
> > with the now missing leading "_" in ELF symbols, but I'm not sure.
> 
> It's odd that intrcnt isn't found, but eintrcnt is.  If you use 'nm' on
> your kernel, is it present as 'intrcnt' or '_intrcnt'?
The problem isn't the leading "_", but:
The variables intrnames, eintrname, intrcnt, eintrcnt from the namelist
have the type N_UNDF associated, although they have the right value. If I
just ignore n_type, I get the right output even on ELF kernels:

*** vmstat.c.orig       Sat Oct 24 23:23:27 1998
--- vmstat.c    Sat Oct 24 23:23:45 1998
***************
*** 916,922 ****
  {
        char *sym;
  
!       if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) {
                sym = namelist[nlx].n_name;
                if (*sym == '_')
                        ++sym;
--- 916,922 ----
  {
        char *sym;
  
!       if (namelist[nlx].n_value == 0) {
                sym = namelist[nlx].n_name;
                if (*sym == '_')
                        ++sym;

Daniel

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