| // Copyright 2007-2008 Google Inc. All Rights Reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "v8.h" |
| |
| #include "counters.h" |
| #include "platform.h" |
| |
| namespace v8 { namespace internal { |
| |
| CounterLookupCallback StatsTable::lookup_function_ = NULL; |
| |
| StatsCounterTimer::StatsCounterTimer(const wchar_t* name) |
| : start_time_(0), // initialize to avoid compiler complaints |
| stop_time_(0) { // initialize to avoid compiler complaints |
| int len = wcslen(name); |
| // we prepend the name with 'c.' to indicate that it is a counter. |
| name_ = NewArray<wchar_t>(len+3); |
| wcscpy(name_, L"t:"); |
| wcscpy(&name_[2], name); |
| } |
| |
| // Start the timer. |
| void StatsCounterTimer::Start() { |
| if (!Enabled()) |
| return; |
| stop_time_ = 0; |
| start_time_ = OS::Ticks(); |
| } |
| |
| // Stop the timer and record the results. |
| void StatsCounterTimer::Stop() { |
| if (!Enabled()) |
| return; |
| stop_time_ = OS::Ticks(); |
| Record(); |
| } |
| |
| } } // namespace v8::internal |