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List:       cygwin
Subject:    Re: nice under tcsh does not register under top? [Attn top maintainer]
From:       "Chris January" <chris () atomice ! net>
Date:       2006-04-04 15:50:42
Message-ID: 2ce9650b0604040850u4931283bm418f5946f7fdcd16 () mail ! gmail ! com
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> According to Lester Ingber on 4/4/2006 7:36 AM:
> > I have a tcsh script that runs some processes, e.g., `nice +19 gmake run`.
> > I monitor the NI and %CPU columns under `top`.  This works fine under
> > FreeBSD and Solaris/SPARC, but under Cygwin the NI column always reads 0?
> >
> > Is it not possible to affect Windows priorities via Cygwin?
>
> It's possible, since cygwin 1.5.13 or so (for example, '/bin/nice
> /bin/nice' outputs 10, since the first nice defaults the second to +10,
> and the second displays its current nice value with no argument).  In
> tcsh, nice is a shell builtin, which defaults to +4 instead of +10, but my
> testing shows that it works.  It looks like top is not displaying nice
> values properly.

This isn't a problem with top but a missing feature of the /proc filesystem.

Chris

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