I'll just additionally mention that this is easily done in Nova using
measurements promises since I'm doing exactly this and several other
things (total memory, cpu speed, etc.):
measurements:
linux::
"/proc/cpuinfo"
handle => "linux_cpu_count",
stream_type => "file",
data_type => "counter",
history_type => "scalar",
units => "CPUs",
match_value => extract_line_value("processor.*",
"processor\s+:\s+(\d+)");
solaris::
"/usr/sbin/psrinfo -v"
handle => "sunos_cpu_count",
stream_type => "pipe",
data_type => "counter",
history_type => "scalar",
units => "CPUs",
match_value => extract_line_value("Status.*",
"processor\s+(\d+).*");
Justin
-----Original Message-----
From: help-cfengine-boun...@cfengine.org
[mailto:help-cfengine-boun...@cfengine.org] On Behalf Of
fo...@cfengine.com
Sent: Tuesday, May 04, 2010 2:24 AM
To: help-cfengine@cfengine.org
Subject: Cfengine Help: Re: sys.ncpu or something?
Forum: Cfengine Help
Subject: Re: sys.ncpu or something?
Author: Seva Gluschenko
Link to topic:
https://cfengine.com/forum/read.php?3,17088,17090#msg-17090
Nakarin,
Of course, I can make it even shorter and safer:
vars:
linux::
"ncpu" string => execresult("/bin/grep -c ^processor
/proc/cpuinfo", "noshell");
freebsd::
"ncpu" string => execresult("/sbin/sysctl -n
hw.ncpu", "noshell");
It just seems to be a good coin to have right inside in the Cfengine
and omit external commands.
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