1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/perf/pm_stub.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,63 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "perf/jsperf.h"
1.10 +
1.11 +namespace JS {
1.12 +
1.13 +PerfMeasurement::PerfMeasurement(PerfMeasurement::EventMask)
1.14 + : impl(0),
1.15 + eventsMeasured(EventMask(0)),
1.16 + cpu_cycles(-1),
1.17 + instructions(-1),
1.18 + cache_references(-1),
1.19 + cache_misses(-1),
1.20 + branch_instructions(-1),
1.21 + branch_misses(-1),
1.22 + bus_cycles(-1),
1.23 + page_faults(-1),
1.24 + major_page_faults(-1),
1.25 + context_switches(-1),
1.26 + cpu_migrations(-1)
1.27 +{
1.28 +}
1.29 +
1.30 +PerfMeasurement::~PerfMeasurement()
1.31 +{
1.32 +}
1.33 +
1.34 +void
1.35 +PerfMeasurement::start()
1.36 +{
1.37 +}
1.38 +
1.39 +void
1.40 +PerfMeasurement::stop()
1.41 +{
1.42 +}
1.43 +
1.44 +void
1.45 +PerfMeasurement::reset()
1.46 +{
1.47 + cpu_cycles = -1;
1.48 + instructions = -1;
1.49 + cache_references = -1;
1.50 + cache_misses = -1;
1.51 + branch_instructions = -1;
1.52 + branch_misses = -1;
1.53 + bus_cycles = -1;
1.54 + page_faults = -1;
1.55 + major_page_faults = -1;
1.56 + context_switches = -1;
1.57 + cpu_migrations = -1;
1.58 +}
1.59 +
1.60 +bool
1.61 +PerfMeasurement::canMeasureSomething()
1.62 +{
1.63 + return false;
1.64 +}
1.65 +
1.66 +} // namespace JS
