jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "v8.h" |
| 29 | |
| 30 | #include "counters.h" |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 31 | #include "isolate.h" |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 32 | #include "platform.h" |
| 33 | |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 34 | namespace v8 { |
| 35 | namespace internal { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 36 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 37 | StatsTable::StatsTable() |
| 38 | : lookup_function_(NULL), |
| 39 | create_histogram_function_(NULL), |
| 40 | add_histogram_sample_function_(NULL) {} |
| 41 | |
| 42 | |
| 43 | int* StatsCounter::FindLocationInStatsTable() const { |
mstarzinger@chromium.org | e900018 | 2013-09-03 11:25:39 +0000 | [diff] [blame] | 44 | return isolate_->stats_table()->FindLocation(name_); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 45 | } |
| 46 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 47 | |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 48 | void Histogram::AddSample(int sample) { |
| 49 | if (Enabled()) { |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 50 | isolate()->stats_table()->AddHistogramSample(histogram_, sample); |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 51 | } |
| 52 | } |
| 53 | |
| 54 | void* Histogram::CreateHistogram() const { |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 55 | return isolate()->stats_table()-> |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 56 | CreateHistogram(name_, min_, max_, num_buckets_); |
| 57 | } |
| 58 | |
mstarzinger@chromium.org | e0e1b0d | 2013-07-08 08:38:06 +0000 | [diff] [blame] | 59 | |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 60 | // Start the timer. |
| 61 | void HistogramTimer::Start() { |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 62 | if (Enabled()) { |
jkummerow@chromium.org | dc94e19 | 2013-08-30 11:35:42 +0000 | [diff] [blame] | 63 | timer_.Start(); |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 64 | } |
mstarzinger@chromium.org | 068ea0a | 2013-01-30 09:39:44 +0000 | [diff] [blame] | 65 | if (FLAG_log_internal_timer_events) { |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 66 | LOG(isolate(), TimerEvent(Logger::START, name())); |
mstarzinger@chromium.org | 068ea0a | 2013-01-30 09:39:44 +0000 | [diff] [blame] | 67 | } |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 68 | } |
| 69 | |
mstarzinger@chromium.org | e0e1b0d | 2013-07-08 08:38:06 +0000 | [diff] [blame] | 70 | |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 71 | // Stop the timer and record the results. |
| 72 | void HistogramTimer::Stop() { |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 73 | if (Enabled()) { |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 74 | // Compute the delta between start and stop, in milliseconds. |
jkummerow@chromium.org | dc94e19 | 2013-08-30 11:35:42 +0000 | [diff] [blame] | 75 | AddSample(static_cast<int>(timer_.Elapsed().InMilliseconds())); |
| 76 | timer_.Stop(); |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 77 | } |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 78 | if (FLAG_log_internal_timer_events) { |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 79 | LOG(isolate(), TimerEvent(Logger::END, name())); |
ulan@chromium.org | 8e8d882 | 2012-11-23 14:36:46 +0000 | [diff] [blame] | 80 | } |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 81 | } |
| 82 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 83 | } } // namespace v8::internal |