FM / derived

/var/lib/pcp/config/derived

Name	Size	Mode	Actions
cpu-util.conf	1478	0644	edit dl rm
denki.conf	863	0644	edit dl rm
iostat.conf	28074	0644	edit dl rm
mssql.conf	2765	0644	edit dl rm
openmetrics.conf	1300	0644	edit dl rm
proc.conf	1917	0644	edit dl rm

Edit: /etc/pcp/derived/proc.conf (1917B)

# derived metrics for processes

# metrics to provide additional process details
proc.psinfo.age = kernel.all.uptime - proc.psinfo.start_time
proc.psinfo.age(oneline) = time in seconds since process was started
proc.psinfo.age(helptext) = '\
time in seconds since process was started, calculated from
proc.psinfo.start_time subtracted from kernel.all.uptime.'

proc.io.total_bytes = instant(proc.io.read_bytes) + instant(proc.io.write_bytes) - instant(proc.io.cancelled_write_bytes)
proc.io.total_bytes(oneline) = total bytes read and written by process
proc.io.total_bytes(helptext) = '\
total bytes read and written by the process, less cancelled written bytes.'

# metrics to identify resource hogs
proc.hog.cpu = 100 * (rate(proc.psinfo.utime) + rate(proc.psinfo.stime)) / (kernel.all.uptime - proc.psinfo.start_time)
proc.hog.cpu(oneline) = average percentage CPU utilization of each process
proc.hog.cpu(helptext) = '\
average CPU utilization of each process expressed as a percentage
of time since the process started.'

proc.hog.mem = proc.memory.vmrss + proc.memory.vmswap
proc.hog.mem(oneline) = sum of resident and swapped memory used by the process
proc.hog.mem(helptext) = '\
amount of resident and swapped memory used by each process.'

proc.hog.disk = (rate(proc.io.read_bytes) + rate(proc.io.write_bytes) - rate(proc.io.cancelled_write_bytes)) / (kernel.all.uptime - proc.psinfo.start_time)
proc.hog.disk(oneline) = average I/O rate of each process since it was started
proc.hog.disk(helptext) = '\
average I/O rate (reads and writes less cancelled writes) of each process
since it was started.'

proc.hog.net = rate(bpf.proc.net.tcp.recv.bytes) + rate(bpf.proc.net.tcp.send.bytes) + rate(bpf.proc.net.udp.recv.bytes) + rate(bpf.proc.net.udp.send.bytes)
proc.hog.net(oneline) = sum of network usage by the process
proc.hog.net(helptext) = '\
sum of network usage (TCP/UDP recv/send) by each process.'

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