FM / pernetif

/var/lib/pcp/config/pmieconf/pernetif

Name	Size	Mode	Actions
collisions	1465	0644	edit dl rm
errors	1327	0644	edit dl rm
packets	1968	0644	edit dl rm
util	1504	0644	edit dl rm

Edit: /etc/pcp/pmieconf/pernetif/collisions (1465B)

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

rule	per_netif.collisions
	default	= "$rule$"
	enumerate = hosts
	predicate =
"some_inst (
    100 * network.interface.collisions $hosts$
	    / ( network.interface.collisions $hosts$
		+ network.interface.out.packets $hosts$ )
	> $threshold$ &&
    network.interface.out.packets $hosts$
	> $packet_rate$ count/second
)"
	enabled	= yes
	version	= 1
	help	=
"More than threshold percent of the packets being sent across an
interface are causing a collision, and packets are being sent
across the interface at packet_rate packets per second.
Ethernet interfaces expect a certain number of packet collisions,
but a high ratio of collisions to packet sends is indicitive of a
saturated network.";

string	rule
	default	= "High collision rate in packet sends"
	modify	= no
	display	= no;

percent	threshold
	default	= 40
	help	=
"Threshold percent of transmitted packets are colliding with other
packet sending attempts before being successfully transmitted.";

double	packet_rate
	default	= 10
	help	=
"Rate at which packets are being transmitted on an interface (number
of packets per second) before considering the number of collisions as
significant.";

string	action_expand
	default	= "%v%collisions[%i]@%h"
	display	= no
	modify	= no;

string	email_expand
	default	= "host: %h interface: %i collision rate: %v%"
	display	= no
	modify	= no;

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

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