Re: [Xen-users] SNMP AgentX subagent for Xen - Mailing list pgsql-general

On Mon, 2008-06-02 at 13:53 +0100, Dave Shield wrote:
> 2008/6/2 Brian A. Seklecki <bseklecki@collaborativefusion.com>:
> >> <bseklecki@collaborativefusion.com>:
> >>         There should be a AgentX sub-agent for Xen that feeds Net-SNMP
> >>         ~BAS
> >>
>
> > With Xen we'd have to look at how a Net-SNMP daemon running in DOM0
> > could read the specs from "xm info" (/proc maybe)
>
> The first task is probably to confirm exactly what information would
> need to be made available.  What does the output of "xm info" look like?

http://linux.die.net/man/1/xm

"xm list" would likely be an SNMP table:

 "An example format for the list is as follows:

 Name                         ID Mem(MiB) VCPUs State  Time(s)
 Domain-0                      0       98     1 r-----  5068.6
 Fedora3                     164      128     1 r-----     7.6
 Fedora4                     165      128     1 ------     0.6
 Mandrake2006                166      128     1 -b----     3.6
 Mandrake10.2                167      128     1 ------     2.5
 Suse9.2                     168      100     1 ------     1.8"



Where as "xm info" would likely be simple OIDs:


"Sample xen domain info looks as follows (lines wrapped manually to make
the man page more readable):

host                   : talon
release                : 2.6.12.6-xen0
version                : #1 Mon Nov 14 14:26:26 EST 2005
machine                : i686
nr_cpus                : 2
nr_nodes               : 1
sockets_per_node       : 2
cores_per_socket       : 1
threads_per_core       : 1
cpu_mhz                : 696
hw_caps                : 0383fbff:00000000:00000000:00000040
total_memory           : 767
free_memory            : 37
xen_major              : 3
xen_minor              : 0
xen_extra              : -devel
xen_caps               : xen-3.0-x86_32
xen_pagesize           : 4096
platform_params        : virt_start=0xfc000000
xen_changeset          : Mon Nov 14 18:13:38 2005 +0100
                         7793:090e44133d40
cc_compiler            : gcc version 3.4.3 (Mandrakelinux
                         10.2 3.4.3-7mdk)
cc_compile_by          : sdague
cc_compile_domain      : (none)
cc_compile_date        : Mon Nov 14 14:16:48 EST 2005
xend_config_format     : 2




> Does this cover everything you would normally need to know?
>
> Dave
>
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--
Brian A. Seklecki <bseklecki@collaborativefusion.com>
Collaborative Fusion, Inc.


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