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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import telemetry.timeline.event as timeline_event
class Sample(timeline_event.TimelineEvent):
"""A Sample represents a sample taken at an instant in time
plus parameters associated with that sample.
NOTE: The Sample class implements the same interface as
Slice. These must be kept in sync.
All time units are stored in milliseconds.
"""
def __init__(self, parent_thread, category, name, timestamp, args=None):
super(Sample, self).__init__(
category, name, timestamp, 0, args=args)
self.parent_thread = parent_thread
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