# --------------------------------------------------- Defaults ---------------------------------------------

# Read CPU metrics
[[inputs.cpu]]
  ## Whether to report per-cpu stats or not
  percpu = true
  ## Whether to report total system cpu stats or not
  totalcpu = true
  ## If true, collect raw CPU time metrics.
  collect_cpu_time = false
  ## If true, compute and report the sum of all non-idle CPU states.
  report_active = false

# Gather metrics from disks
[[inputs.disk]]
  interval = "5m"
  ## Ignore mount points by filesystem type.
  ignore_fs = ["tmpfs", "devtmpfs", "devfs", "iso9660", "overlay", "aufs", "squashfs"]

# Read metrics about disk IO by device
[[inputs.diskio]]

# Read HDD temp metric from the hddtemp daemon
#[[inputs.hddtemp]]

# Read metrics about system load & uptime
[[inputs.system]]
  ## Uncomment to remove deprecated metrics.
  fielddrop = ["uptime_format"]

# Get kernel statistics from /proc/stat
[[inputs.kernel]]
  # no configuration

# Read metrics about memory usage
[[inputs.mem]]
  # no configuration

# Get the number of processes and group them by status
[[inputs.processes]]
  # no configuration

# Read metrics about swap memory usage
#[[inputs.swap]]
  # no configuration

# Read metrics about system load & uptime
[[inputs.system]]
  # no configuratiion

# Read metrics about the IRQ
[[inputs.interrupts]]
   cpu_as_tag = false

#[[inputs.linux_sysctl_fs]]

# Gather metrics about network interfaces
[[inputs.net]]
   ignore_protocol_stats = false

# Collect TCP connections state and UDP socket counts
[[inputs.netstat]]
  # no configuration

# Gather metrics from /proc/net/* files
#[[inputs.nstat]]

# ----------------------------------------------------- Top processes (default) ----------------------------------

[[inputs.procstat]]
  pattern = "."
  pid_tag = false
  pid_finder = "native"
  fieldpass = [
      "num_threads",
      "cpu_usage",
      "memory_rss",
  ]

[[processors.topk]]
  # see: https://github.com/influxdata/telegraf/blob/release-1.17/plugins/processors/topk/README.md
  namepass = ["*procstat*"]
  aggregation = "max"
  k = 10
  fields = [
      "num_threads",
      "cpu_usage",
      "memory_rss",
  ]

[[processors.regex]]
  namepass = ["*procstat*"]
  [[processors.regex.tags]]
    key = "process_name"
    pattern = "^(.{60}).*"
    replacement = "${1}..."

# ------------------------------------------------------ Raspberry Pi ---------------------------------------------

# Read RPi CPU temperature
[[inputs.exec]] 
  commands = [ '''sed -e 's/^\([0-9]\{2\}\)\(.*\)$/\1.\2/' /sys/class/thermal/thermal_zone0/temp''' ]
  name_override = "sys"
  data_format = "grok"
  grok_patterns = ["%{NUMBER:thermal_zone0:float}"]

# Vcgencmd input
[[inputs.exec]]
  commands = ["/var/lib/telegraf/vcgencmd.sh"]
  timeout = "7s"
  data_format = "influx"