1 # Copyright 2013 The Chromium Authors. All rights reserved.
2 # Use of this source code is governed by a BSD-style license that can be
3 # found in the LICENSE file.
5 import telemetry.core.timeline.event as timeline_event
7 class Sample(timeline_event.TimelineEvent):
8 ''' A Sample represents a sample taken at an instant in time
9 plus parameters associated with that sample.
11 NOTE: The Sample class implements the same interface as
12 Slice. These must be kept in sync.
14 All time units are stored in milliseconds.
16 def __init__(self, parent_thread, category, name, timestamp, args=None):
17 super(Sample, self).__init__(
18 category, name, timestamp, 0, args=args)
19 self.parent_thread = parent_thread