The Tor Browser: js/src/perf/pm_stub.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "perf/jsperf.h"

     8 namespace JS {

    10 PerfMeasurement::PerfMeasurement(PerfMeasurement::EventMask)

    11   : impl(0),

    12     eventsMeasured(EventMask(0)),

    13     cpu_cycles(-1),

    14     instructions(-1),

    15     cache_references(-1),

    16     cache_misses(-1),

    17     branch_instructions(-1),

    18     branch_misses(-1),

    19     bus_cycles(-1),

    20     page_faults(-1),

    21     major_page_faults(-1),

    22     context_switches(-1),

    23     cpu_migrations(-1)

    24 {

    25 }

    27 PerfMeasurement::~PerfMeasurement()

    28 {

    29 }

    31 void

    32 PerfMeasurement::start()

    33 {

    34 }

    36 void

    37 PerfMeasurement::stop()

    38 {

    39 }

    41 void

    42 PerfMeasurement::reset()

    43 {

    44     cpu_cycles = -1;

    45     instructions = -1;

    46     cache_references = -1;

    47     cache_misses = -1;

    48     branch_instructions = -1;

    49     branch_misses = -1;

    50     bus_cycles = -1;

    51     page_faults = -1;

    52     major_page_faults = -1;

    53     context_switches = -1;

    54     cpu_migrations = -1;

    55 }

    57 bool

    58 PerfMeasurement::canMeasureSomething()

    59 {

    60     return false;

    61 }

    63 } // namespace JS

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