Overview

Module prometheus_vm_system_info_collector

• Description

Behaviours: prometheus_collector.

Description

Collects Erlang VM metrics using erlang:system_info/1 .

Exported metrics

• erlang_vm_dirty_cpu_schedulers
  Type: gauge.
  The number of scheduler dirty CPU scheduler threads used by the emulator.
• erlang_vm_dirty_cpu_schedulers_online
  Type: gauge.
  The number of dirty CPU scheduler threads online.
• erlang_vm_dirty_io_schedulers
  Type: gauge.
  The number of scheduler dirty I/O scheduler threads used by the emulator.
• erlang_vm_ets_limit
  Type: gauge.
  The maximum number of ETS tables allowed.
• erlang_vm_logical_processors
  Type: gauge.
  The detected number of logical processors configured in the system.
• erlang_vm_logical_processors_available
  Type: gauge.
  The detected number of logical processors available to the Erlang runtime system.
• erlang_vm_logical_processors_online
  Type: gauge.
  The detected number of logical processors online on the system.
• erlang_vm_port_count
  Type: gauge.
  The number of ports currently existing at the local node.
• erlang_vm_port_limit
  Type: gauge.
  The maximum number of simultaneously existing ports at the local node.
• erlang_vm_process_count
  Type: gauge.
  The number of processes currently existing at the local node.
• erlang_vm_process_limit
  Type: gauge.
  The maximum number of simultaneously existing processes at the local node.
• erlang_vm_schedulers
  Type: gauge.
  The number of scheduler threads used by the emulator.
• erlang_vm_schedulers_online
  Type: gauge.
  The number of schedulers online.
• erlang_vm_smp_support
  Type: boolean.
  1 if the emulator has been compiled with SMP support, otherwise 0.
• erlang_vm_threads
  Type: boolean.
  1 if the emulator has been compiled with thread support, otherwise 0.
• erlang_vm_thread_pool_size
  Type: gauge.
  The number of async threads in the async thread pool used for asynchronous driver calls.
• erlang_vm_time_correction
  Type: boolean.
  1 if time correction is enabled, otherwise 0.
• erlang_vm_wordsize_bytes
  Type: gauge.
  The size of Erlang term words in bytes.
• erlang_vm_atom_count
  Type: gauge.
  The number of atom currently existing at the local node.
• erlang_vm_atom_limit
  Type: gauge.
  The maximum number of simultaneously existing atom at the local node.
• erlang_vm_allocators
  Type: gauge.
  Allocated (carriers_size) and used (blocks_size) memory for the different allocators in the VM. See erts_alloc(3).

Configuration

Metrics exported by this collector can be configured via vm_system_info_collector_metrics key of prometheus app environment.

• ets_limit for erlang_vm_ets_limit.
• logical_processors for erlang_vm_logical_processors.
• logical_processors_available for erlang_vm_logical_processors_available.
• logical_processors_online for erlang_vm_logical_processors_online.
• port_count for erlang_vm_port_count.
• port_limit for erlang_vm_port_limit.
• process_count for erlang_vm_process_count.
• process_limit for erlang_vm_process_limit.
• schedulers for erlang_vm_schedulers.
• schedulers_online for erlang_vm_schedulers_online.
• smp_support for erlang_vm_smp_support.
• threads for erlang_threads.
• thread_pool_size for erlang_vm_thread_pool_size.
• time_correction for erlang_vm_time_correction.
• wordsize_bytes for erlang_vm_wordsize_bytes.
• atom_count for erlang_vm_atom_count.
• atom_limit for erlang_vm_atom_limit.
• allocators for erlang_vm_allocators.

Overview

Generated by EDoc