FM / cpu

/var/lib/pcp/config/pmieconf/cpu

Name	Size	Mode	Actions
context_switch	791	0644	edit dl rm
load_average	1476	0644	edit dl rm
low_util	1344	0644	edit dl rm
system	1374	0644	edit dl rm
util	909	0644	edit dl rm

Edit: /etc/pcp/pmieconf/cpu/low_util (1344B)

#pmieconf-rules 1
# --- DO NOT MODIFY THIS FILE --- see pmieconf(5)
#

rule	cpu.low_util
	summary	= "$rule$"
	predicate =
"some_host (
    // kernel.all.cpu metrics count up to 1 second of CPU time
    // per second per CPU
    100 * ( kernel.all.cpu.user $hosts$ +
	    kernel.all.cpu.sys $hosts$ +
	    kernel.all.cpu.intr $hosts$ ) / hinv.ncpu $hosts$ 
    < $threshold$
)"
	enabled	= no
	version	= 1
	help	=
"The average processor utilization over all CPUs was below threshold
percent during the last sample interval.
This rule is effectively the opposite of cpu.util and is disabled by
default - it is only useful in specialized environments where, for
example, processing is batch oriented and low processor utilization
is indicative of poor use of system resources.  In such a situation
the cpu.low_util rule should be enabled, and cpu.util disabled.";

string	rule
	default	= "Low average processor utilization"
	modify	= no
	display	= no;

percent	threshold
	default	= 25
	help	=
"Lower bound percentage for CPU utilization, in the range 0 (idle)
to 100 (completely busy), independent of the number of CPUs.";

string	action_expand
	default	= %v%util@%h
	display	= no
	modify	= no;

string	email_expand
	default	= "host: %h average CPU utilization: %v%"
	display	= no
	modify	= no;

#
# --- DO NOT MODIFY THIS FILE --- see pmieconf(5)

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