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Diffstat (limited to 'spec/support/platforms/prof/gc.rb')
-rw-r--r-- | spec/support/platforms/prof/gc.rb | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/spec/support/platforms/prof/gc.rb b/spec/support/platforms/prof/gc.rb new file mode 100644 index 0000000000..6ca50df648 --- /dev/null +++ b/spec/support/platforms/prof/gc.rb @@ -0,0 +1,54 @@ +# +# Author:: Seth Chisamore (<schisamo@opscode.com>) +# Copyright:: Copyright (c) 2011 Opscode, Inc. +# License:: Apache License, Version 2.0 +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +module RSpec + module Prof + module GC + class Profiler + + # GC 1 invokes. + # Index Invoke Time(sec) Use Size(byte) Total Size(byte) Total Object GC time(ms) + # 1 0.012 159240 212940 10647 0.00000000000001530000 + LINE_PATTERN = /^\s+([\d\.]*)\s+([\d\.]*)\s+([\d\.]*)\s+([\d\.]*)\s+([\d\.]*)\s+([\d\.]*)$/ + + def start + ::GC::Profiler.enable unless ::GC::Profiler.enabled? + end + + def stop + ::GC::Profiler.disable + end + + def working_set_size + begin + ::GC.start + ::GC::Profiler.result.scan(LINE_PATTERN)[-1][2].to_i if ::GC::Profiler.enabled? + ensure + ::GC::Profiler.clear + end + end + + def handle_count + 0 + end + + end + end + end +end + |