<source>
  @type proc_count
  interval 60s

  <process>
    tag proc_count.fluentd
    regexp bin/fluentd
    proc_count 2 # expect process count
  </process>

  <process>
    tag proc_count.embulk
    regexp embulk
    proc_count 1 # expect process count
  </process>
</source>

<match **>
  @type stdout
</match>

# output: proc_count.example:  {"regexp":"embulk","proc_count":0,"expect_proc_count":1,"hostname":"npc064.local"}