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64 lines
1.2 KiB
C++
64 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "perf/jsperf.h"
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namespace JS {
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PerfMeasurement::PerfMeasurement(PerfMeasurement::EventMask)
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: impl(0),
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eventsMeasured(EventMask(0)),
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cpu_cycles(-1),
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instructions(-1),
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cache_references(-1),
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cache_misses(-1),
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branch_instructions(-1),
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branch_misses(-1),
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bus_cycles(-1),
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page_faults(-1),
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major_page_faults(-1),
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context_switches(-1),
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cpu_migrations(-1)
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{
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}
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PerfMeasurement::~PerfMeasurement()
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{
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}
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void
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PerfMeasurement::start()
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{
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}
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void
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PerfMeasurement::stop()
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{
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}
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void
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PerfMeasurement::reset()
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{
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cpu_cycles = -1;
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instructions = -1;
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cache_references = -1;
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cache_misses = -1;
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branch_instructions = -1;
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branch_misses = -1;
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bus_cycles = -1;
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page_faults = -1;
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major_page_faults = -1;
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context_switches = -1;
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cpu_migrations = -1;
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}
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bool
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PerfMeasurement::canMeasureSomething()
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{
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return false;
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}
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} // namespace JS
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