prometheus_vm_statistics_collector (prometheus v5.1.1)
View SourceCollects Erlang VM metrics using erlang:statistics/1
.
Exported metrics
erlang_vm_statistics_bytes_output_total
Type: counter. The total number of bytes output to ports.erlang_vm_statistics_bytes_received_total
Type: counter. The total number of bytes received through ports.erlang_vm_statistics_context_switches
Type: counter. The total number of context switches since the system started.erlang_vm_statistics_dirty_cpu_run_queue_length
Type: gauge. Length of the dirty CPU run-queue.erlang_vm_statistics_dirty_io_run_queue_length
Type: gauge. Length of the dirty IO run-queue.erlang_vm_statistics_garbage_collection_number_of_gcs
Type: counter. The total number of garbage collections since the system started.erlang_vm_statistics_garbage_collection_words_reclaimed
Type: counter. The total number of words reclaimed by GC since the system started.erlang_vm_statistics_garbage_collection_bytes_reclaimed
Type: counter. The total number of bytes reclaimed by GC since the system started.erlang_vm_statistics_reductions_total
Type: counter. Total reductions count.erlang_vm_statistics_run_queues_length
Type: gauge. The total length of all normal run-queues. That is, the number of processes and ports that are ready to run on all available normal run-queues.erlang_vm_statistics_runtime_milliseconds
Type: counter. The sum of the runtime for all threads in the Erlang runtime system.erlang_vm_statistics_wallclock_time_milliseconds
Type: counter. Can be used in the same manner aserlang_vm_statistics_runtime_milliseconds
, except that real time is measured as opposed to runtime or CPU time.
Configuration
Metrics exported by this collector can be configured via vm_statistics_collector_metrics
key
of the prometheus
app environment.
Options are the same as the Item
parameter values for erlang:statistics/1
:
context_switches
forerlang_vm_statistics_context_switches
;garbage_collection
forerlang_vm_statistics_garbage_collection_number_of_gcs
,erlang_vm_statistics_garbage_collection_bytes_reclaimed
, anderlang_vm_statistics_garbage_collection_words_reclaimed
;io
forerlang_vm_statistics_bytes_output_total
anderlang_vm_statistics_bytes_received_total
;reductions
forerlang_vm_statistics_reductions_total
;run_queue
forerlang_vm_statistics_run_queues_length
;runtime
forerlang_vm_statistics_runtime_milliseconds
;wall_clock
forerlang_vm_statistics_wallclock_time_milliseconds
.
By default all metrics are enabled.