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Contents
# frozen_string_literal: true
module Appsignal
module Probes
class GvlProbe
include Helpers
# @api private
def self.dependencies_present?
defined?(::GVLTools) && gvltools_0_2_or_newer? && ruby_3_2_or_newer? &&
!Appsignal::System.jruby?
end
# @api private
def self.gvltools_0_2_or_newer?
Gem::Version.new(::GVLTools::VERSION) >= Gem::Version.new("0.2.0")
end
# @api private
def self.ruby_3_2_or_newer?
Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.2.0")
end
def initialize(appsignal: Appsignal, gvl_tools: ::GVLTools)
Appsignal.logger.debug("Initializing GVL probe")
@appsignal = appsignal
@gvl_tools = gvl_tools
end
def call
probe_global_timer
probe_waiting_threads if @gvl_tools::WaitingThreads.enabled?
end
private
def probe_global_timer
monotonic_time_ns = @gvl_tools::GlobalTimer.monotonic_time
gauge_delta :gvl_global_timer, monotonic_time_ns do |time_delta_ns|
if time_delta_ns > 0
time_delta_ms = time_delta_ns / 1_000_000
set_gauge_with_hostname("gvl_global_timer", time_delta_ms)
end
end
end
def probe_waiting_threads
set_gauge_with_hostname("gvl_waiting_threads", @gvl_tools::WaitingThreads.count)
end
end
end
end
Version data entries
42 entries across 42 versions & 1 rubygems