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#!/usr/bin/env ruby
# encoding: UTF-8
require File.expand_path('../test_helper', __FILE__)
require 'timeout'
require 'benchmark'
require_relative './call_tree_builder'
# -- Tests ----
class ThreadTest < TestCase
def test_initialize
method_info = RubyProf::MethodInfo.new(Array, :size)
call_tree = RubyProf::CallTree.new(method_info)
thread = RubyProf::Thread.new(call_tree, Thread.current, Fiber.current)
assert_equal(call_tree, thread.call_tree)
assert(thread)
assert(thread.id)
assert(thread.fiber_id)
assert_equal(1, thread.methods.size)
assert_same(method_info, thread.methods[0])
end
def test_merge
call_tree_1 = create_call_tree_1
thread_1 = RubyProf::Thread.new(call_tree_1, Thread.current, Fiber.current)
assert_equal(6, thread_1.methods.size)
call_tree_2 = create_call_tree_2
thread_2 = RubyProf::Thread.new(call_tree_2, Thread.current, Fiber.current)
assert_equal(6, thread_2.methods.size)
thread_1.merge!(thread_2)
assert_equal(7, thread_1.methods.size)
# Method times
assert_in_delta(11.6, thread_1.methods[0].total_time, 0.00001) # root
assert_in_delta(4.1, thread_1.methods[1].total_time, 0.00001) # a
assert_in_delta(1.5, thread_1.methods[2].total_time, 0.00001) # aa
assert_in_delta(2.6, thread_1.methods[3].total_time, 0.00001) # ab
assert_in_delta(7.5, thread_1.methods[4].total_time, 0.00001) # b
assert_in_delta(6.6, thread_1.methods[5].total_time, 0.00001) # bb
assert_in_delta(0.9, thread_1.methods[6].total_time, 0.00001) # ba
# Root
call_tree = call_tree_1
assert_equal(:root, call_tree.target.method_name)
assert_in_delta(11.6, call_tree.total_time, 0.00001)
assert_in_delta(0, call_tree.self_time, 0.00001)
assert_in_delta(0.0, call_tree.wait_time, 0.00001)
assert_in_delta(11.6, call_tree.children_time, 0.00001)
# a
call_tree = call_tree_1.children[0]
assert_equal(:a, call_tree.target.method_name)
assert_in_delta(4.1, call_tree.total_time, 0.00001)
assert_in_delta(0, call_tree.self_time, 0.00001)
assert_in_delta(0.0, call_tree.wait_time, 0.00001)
assert_in_delta(4.1, call_tree.children_time, 0.00001)
# aa
call_tree = call_tree_1.children[0].children[0]
assert_equal(:aa, call_tree.target.method_name)
assert_in_delta(1.5, call_tree.total_time, 0.00001)
assert_in_delta(1.5, call_tree.self_time, 0.00001)
assert_in_delta(0.0, call_tree.wait_time, 0.00001)
assert_in_delta(0.0, call_tree.children_time, 0.00001)
# ab
call_tree = call_tree_1.children[0].children[1]
assert_equal(:ab, call_tree.target.method_name)
assert_in_delta(2.6, call_tree.total_time, 0.00001)
assert_in_delta(2.6, call_tree.self_time, 0.00001)
assert_in_delta(0.0, call_tree.wait_time, 0.00001)
assert_in_delta(0.0, call_tree.children_time, 0.00001)
# # b
# call_tree = call_tree_1.children[1]
# assert_equal(:b, call_tree.target.method_name)
# assert_in_delta(7.5, call_tree.total_time, 0.00001)
# assert_in_delta(0, call_tree.self_time, 0.00001)
# assert_in_delta(0.0, call_tree.wait_time, 0.00001)
# assert_in_delta(7.5, call_tree.children_time, 0.00001)
# bb
# call_tree = call_tree_1.children[1].children[0]
# assert_equal(:bb, call_tree.target.method_name)
# assert_in_delta(6.6, call_tree.total_time, 0.00001)
# assert_in_delta(6.6, call_tree.self_time, 0.00001)
# assert_in_delta(0.0, call_tree.wait_time, 0.00001)
# assert_in_delta(0.0, call_tree.children_time, 0.00001)
# ba
call_tree = call_tree_1.children[1].children[1]
assert_equal(:ba, call_tree.target.method_name)
assert_in_delta(0.9, call_tree.total_time, 0.00001)
assert_in_delta(0.7, call_tree.self_time, 0.00001)
assert_in_delta(0.2, call_tree.wait_time, 0.00001)
assert_in_delta(0.0, call_tree.children_time, 0.00001)
end
def test_thread_count
result = RubyProf::Profile.profile(measure_mode: RubyProf::WALL_TIME) do
thread = Thread.new do
sleep(1)
end
thread.join
end
assert_equal(2, result.threads.length)
end
def test_thread_identity
profile = RubyProf::Profile.new(measure_mode: RubyProf::WALL_TIME)
profile.start
sleep_thread = Thread.new do
sleep(1)
end
sleep_thread.join
result = profile.stop
thread_ids = result.threads.map {|thread| thread.id}.sort
threads = [Thread.current, sleep_thread]
assert_equal(2, result.threads.length)
assert(thread_ids.include?(threads[0].object_id))
assert(thread_ids.include?(threads[1].object_id))
assert_instance_of(Thread, ObjectSpace._id2ref(thread_ids[0]))
assert(threads.include?(ObjectSpace._id2ref(thread_ids[0])))
assert_instance_of(Thread, ObjectSpace._id2ref(thread_ids[1]))
assert(threads.include?(ObjectSpace._id2ref(thread_ids[1])))
end
def test_thread_timings
profile = RubyProf::Profile.new(measure_mode: RubyProf::WALL_TIME)
profile.start
thread = Thread.new do
sleep 0
# force it to hit thread.join, below, first
# thus forcing sleep(1), below, to be counted as (wall) self_time
# since we currently count time "in some other thread" as self.wait_time
sleep(1)
end
thread.join
result = profile.stop
# Check background thread
assert_equal(2, result.threads.length)
rp_thread = result.threads.detect {|t| t.id == thread.object_id}
methods = rp_thread.methods.sort.reverse
method = methods[0]
assert_equal('ThreadTest#test_thread_timings', method.full_name)
assert_equal(1, method.called)
assert_in_delta(1, method.total_time, 0.1)
assert_in_delta(0, method.self_time, 0.05)
assert_in_delta(0, method.wait_time, 0.05)
assert_in_delta(1, method.children_time, 0.1)
assert_equal(0, method.call_trees.callers.length)
method = methods[1]
assert_equal('Kernel#sleep', method.full_name)
assert_equal(2, method.called)
assert_in_delta(1, method.total_time, 0.05)
assert_in_delta(1.0, method.self_time, 0.05)
assert_in_delta(0, method.wait_time, 0.05)
assert_in_delta(0, method.children_time, 0.05)
assert_equal(1, method.call_trees.callers.length)
assert_equal(0, method.call_trees.callees.length)
# Check foreground thread
rp_thread = result.threads.detect {|athread| athread.id == Thread.current.object_id}
methods = rp_thread.methods.sort.reverse
assert_equal(4, methods.length)
methods = methods.sort.reverse
method = methods[0]
assert_equal('ThreadTest#test_thread_timings', method.full_name)
# the sub calls to Object#new, when popped,
# cause the parent frame to be created for method #test_thread_timings, which means a +1 when it's popped in the end
# xxxx a test that shows it the other way, too (never creates parent frame--if that's even possible)
assert_equal(1, method.called)
assert_in_delta(1, method.total_time, 0.05)
assert_in_delta(0, method.self_time, 0.05)
assert_in_delta(0, method.wait_time, 0.05)
assert_in_delta(1, method.children_time, 0.05)
assert_equal(0, method.call_trees.callers.length)
assert_equal(2, method.call_trees.callees.length)
method = methods[1]
assert_equal('Thread#join', method.full_name)
assert_equal(1, method.called)
assert_in_delta(1, method.total_time, 0.05)
assert_in_delta(0, method.self_time, 0.05)
assert_in_delta(1.0, method.wait_time, 0.05)
assert_in_delta(0, method.children_time, 0.05)
assert_equal(1, method.call_trees.callers.length)
assert_equal(0, method.call_trees.callees.length)
method = methods[2]
assert_equal('<Class::Thread>#new', method.full_name)
assert_equal(1, method.called)
assert_in_delta(0, method.total_time, 0.05)
assert_in_delta(0, method.self_time, 0.05)
assert_in_delta(0, method.wait_time, 0.05)
assert_in_delta(0, method.children_time, 0.05)
assert_equal(1, method.call_trees.callers.length)
assert_equal(1, method.call_trees.callees.length)
method = methods[3]
assert_equal('Thread#initialize', method.full_name)
assert_equal(1, method.called)
assert_in_delta(0, method.total_time, 0.05)
assert_in_delta(0, method.self_time, 0.05)
assert_in_delta(0, method.wait_time, 0.05)
assert_in_delta(0, method.children_time, 0.05)
assert_equal(1, method.call_trees.callers.length)
assert_equal(0, method.call_trees.callees.length)
end
end
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