133259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck# Copyright 2014 The Chromium Authors. All rights reserved. 233259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck# Use of this source code is governed by a BSD-style license that can be 333259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck# found in the LICENSE file. 433259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck 533259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reckimport telemetry.timeline.event as timeline_event 633259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck 733259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck 833259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reckclass Sample(timeline_event.TimelineEvent): 933259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck """A Sample represents a sample taken at an instant in time 1033259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck plus parameters associated with that sample. 1133259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck 1233259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck NOTE: The Sample class implements the same interface as 1333259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck Slice. These must be kept in sync. 1433259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck 1533259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck All time units are stored in milliseconds. 1633259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck """ 1733259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck def __init__(self, parent_thread, category, name, timestamp, args=None): 1833259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck super(Sample, self).__init__( 1933259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck category, name, timestamp, 0, args=args) 2033259e44c8229f70ffe0cf3bb5ca9375c4feb2f9John Reck self.parent_thread = parent_thread 21