ipc.conf

   alarm: semaphores_used
      on: system.ipc_semaphores
    calc: $semaphores * 100 / $ipc.semaphores.max
   units: %
   every: 10s
    warn: $this > (($status >= $WARNING)  ? (70) : (80))
    crit: $this > (($status == $CRITICAL) ? (70) : (90))
   delay: down 5m multiplier 1.5 max 1h
    info: the percentage of IPC semaphores used
      to: sysadmin

   alarm: semaphore_arrays_used
      on: system.ipc_semaphore_arrays
    calc: $arrays * 100 / $ipc.semaphores.arrays.max
   units: %
   every: 10s
    warn: $this > (($status >= $WARNING)  ? (70) : (80))
    crit: $this > (($status == $CRITICAL) ? (70) : (90))
   delay: down 5m multiplier 1.5 max 1h
    info: the percentage of IPC semaphore arrays used
      to: sysadmin