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|
#pmieconf-rules 1
#
rule cpu.excess_fpe
default = "$rule$"
predicate =
"some_host (
some_inst (
kernel.percpu.cpu.sys $hosts$ > $systime_util$ / 100 &&
kernel.percpu.syscall $hosts$ < $syscall_rate$
)
)"
enabled = no
version = 1
help =
"This predicate attempts to detect processes generating very large
numbers of floating point exceptions (FPEs). Characteristic of this
situation is heavy system time coupled with low system call rates
(exceptions are delivered through the kernel to the process, taking
some system time, but no system call is serviced on the applications
behalf.";
string rule
default = "possible high floating point exception rate"
modify = no
display = no;
percent systime_util
default = 50
help =
"Threshold percentage for kernel CPU utilization, in the range 0
(idle) to 100 (completely busy)";
double syscall_rate
default = 100
help =
"Threshold system call rate at which something is deemed amiss.";
string action_expand
default = %i@%h
display = no
modify = no;
|
