| To: | Mark Goodwin <goodwinos@xxxxxxxxx>, Ken McDonell <kenj@xxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [pcp] pernode metrics still wrong on 1 CPU systems |
| From: | Nathan Scott <nathans@xxxxxxxxxx> |
| Date: | Wed, 21 Jan 2015 17:52:26 -0500 (EST) |
| Cc: | PCP <pcp@xxxxxxxxxxx> |
| Delivered-to: | pcp@xxxxxxxxxxx |
| In-reply-to: | <54C02474.9000407@xxxxxxxxx> |
| References: | <54C00816.10808@xxxxxxxxxxxxxxxx> <54C02474.9000407@xxxxxxxxx> |
| Reply-to: | Nathan Scott <nathans@xxxxxxxxxx> |
| Thread-index: | /fabYa7WUFII9uPaXtOOZygivtO2ww== |
| Thread-topic: | pernode metrics still wrong on 1 CPU systems |
----- Original Message -----
> [...]
> > Mark, what additional info would help diagnose/fix this?
>
> what is vm04 (kernel non-smp? uname -a, which distro)?
>
> ls -l /sys/devices/system/node
> ls -l /sys/devices/system/node/node0/cpu*
>
> As previously noted, I'm merging and partly re-writing proc_cpuinfo.[ch]
> and proc_stat.[ch], including the pernode metrics. I wont get time to work
> on this at all until Saturday. A shorter term fix might be possible with
> the above requested info ..
I have one machine here reporting no NUMA nodes, if that's the trigger?
$ pminfo -f hinv.nnode
hinv.nnode
value 0
$ ls /sys/devices/system/node
ls: cannot access /sys/devices/system/node: No such file or directory
$ uname -a
Linux verge 3.2.0-4-rt-686-pae #1 SMP PREEMPT RT Debian 3.2.41-2 i686 GNU/Linux
We'll need a fix before Saturday, let me know if you want me to dig into
it further before then (but I don't want to duplicate work if either of
you guys are already looking) ... thanks!
cheers.
--
Nathan
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