Re: TOP interpretation

It's '1' (one).

Just press it when top is running.


On Thu, 2 Jul 2009 16:29:18 -0400
Dumitru Ciobanu <[email protected]> wrote:

> One quick question Brad.
> Do you know of a way of displaying the CPU time separated by CPUs like
> HP-UX top?
> I saw that <I> option that talks about Irix/Solaris mode but I'm not
> sure still how to use it. I was hoping to be able to see the usage per
> each core, when using a multicore CPU like the new AMD CPUs.
> 
> TIA,
> 
> Dumitru
> 
> On Fri, Jun 26, 2009 at 5:47 PM, Brad Barnett<[email protected]> wrote:
> >
> >
> > Ah, you've found a RTFM escape clause -- or at least a hall pass. :P
> >
> > If you're really stuck, however, there are tons and tons of webpages
> > dedicated to manpages.  There is also Google to help you, too.
> >
> > Funny thing, though:
> >
> > https://bugzilla.redhat.com/show_bug.cgi?id=296471
> >
> > It seems the section you are looking for, is hard to find in several
> > distros.  One of my Debian boxes is missing section 2c, and it looks
> > like several Redhat (and therefore CentOS) is too.
> >
> > Check this page, with section 2c in it:
> >
> > http://www.annodex.net/cgi-bin/man/man2html?1+top
> >
> > On Fri, 26 Jun 2009 13:29:49 -0400
> > OddSox <[email protected]> wrote:
> >
> >> I don't know whether I should top or bottom post at this point.
> >>
> >> I had sent an earlier post where I tried "man top" and got crap that
> >> I couldn't read because of encoding issues, so I posted the later
> >> message. Perhaps the earlier one didn't make it to the list?
> >>
> >> > How do I fix this crap?
> >> >
> >> > -bash-3.2$ man top - results in gibberish like...
> >> >
> >> >      13        The traditional switches ?<80><99>-?<80><99> and
> >> > whitespace are optional.
> >> >
> >> > This particular box is a CentOS 5.x server, although I've had the
> >> > same thing happen on many different systems for years and I'm
> >> > getting tired of it. Asking for "man" on just about anything
> >> > results in unreadable stuff related to unicode or something. I only
> >> > use terminal so there must be some setting I can hit for this?
> >> >
> >> > Is it because I'm using bash?
> >>
> >>
> >>
> >> On Jun 26, 2009, at 12:51 PM, Brad Barnett wrote:
> >>
> >> >
> >> > man 'top' should help you, Oddsox.
> >> >
> >> > It will clarify much below, and correct the "wait" statement below.
> >> >
> >> > That is:
> >> >
> >> >         wa  --  iowait
> >> >           Amount of time the CPU has been waiting for I/O to
> >> > complete.
> >> >
> >> > See more info in the docs, or put another way ... RTFM :P
> >> >
> >> > On Fri, 26 Jun 2009 12:33:10 -0400
> >> > Damian Gerow <[email protected]> wrote:
> >> >
> >> >> OddSox wrote:
> >> >> : Further to my last message, I'm trying to figure out the
> >> >> significance : of the various CPU numbers in TOP on my CentOS 5.x
> >> >> server... :
> >> >> : > Cpu(s):  0.3%us,  0.0%sy,  0.0%ni, 99.7%id,  0.0%wa,  0.0%hi,
> >> >> 0.0%si,  0.0%st :
> >> >> :
> >> >> : What does 99.7%id mean?
> >> >>
> >> >> %us = user
> >> >> %sy = system
> >> >> %ni = nice
> >> >> %id = idle
> >> >> %wa = wait
> >> >> %hi = ?
> >> >> %si = system interrupts?
> >> >> %st = ?
> >> >>
> >> >> I've never seen those last three, but it's been a few years since
> >> >> I bothered with 'top' in Linux.  System performance is a
> >> >> notoriously difficult thing to measure and understand...
> >> >>
> >> >> user = amount of time the system is running userland code
> >> >> system = amount of time the system is running kernel code
> >> >> nice = I've never really understood this one
> >> >> idle = amount of time the system is doing nothing
> >> >> wait = amount of time the system is waiting for available CPU
> >> >> cycles
> >> >>
> >> >> Or something like that.
> >> >> --
> >> >> OCLUG general discussion list
> >> >> [email protected]
> >> >> http://oclug.on.ca/mailman/listinfo/oclug
> >> > --
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> >>
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> 
> 
> 
> -- 
> =====================
> 
> Dumitru Ciobanu
> [email protected]
> -- 
> OCLUG general discussion list
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