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author | Alexander Sulfrian <alexander@sulfrian.net> | 2010-06-08 09:01:43 +0200 |
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committer | Alexander Sulfrian <alexander@sulfrian.net> | 2010-06-08 09:01:43 +0200 |
commit | d1fa08fdc9cb11dccee76d668ff85df30458c295 (patch) | |
tree | 1d19df6405103577d872902486792e8c23bce711 /infrastructure/ace/www/profiler.js | |
parent | d7c5ad7d6263fd1baf9bfdbaa4c50b70ef2fbdb2 (diff) | |
parent | 70d1f9d6fcaefe611e778b8dbf3bafea8934aa08 (diff) | |
download | etherpad-d1fa08fdc9cb11dccee76d668ff85df30458c295.tar.gz etherpad-d1fa08fdc9cb11dccee76d668ff85df30458c295.tar.xz etherpad-d1fa08fdc9cb11dccee76d668ff85df30458c295.zip |
Merge remote branch 'upstream/master'
Conflicts:
etherpad/src/etherpad/control/pro/admin/pro_admin_control.js
etherpad/src/etherpad/control/pro/pro_main_control.js
etherpad/src/etherpad/control/pro_help_control.js
etherpad/src/etherpad/globals.js
etherpad/src/etherpad/legacy_urls.js
etherpad/src/etherpad/pne/pne_utils.js
etherpad/src/etherpad/pro/pro_utils.js
etherpad/src/main.js
etherpad/src/plugins/fileUpload/templates/fileUpload.ejs
etherpad/src/plugins/testplugin/templates/page.ejs
etherpad/src/static/css/pad2_ejs.css
etherpad/src/static/css/pro-help.css
etherpad/src/static/img/jun09/pad/protop.gif
etherpad/src/static/js/store.js
etherpad/src/themes/default/templates/framed/framedheader-pro.ejs
etherpad/src/themes/default/templates/main/home.ejs
etherpad/src/themes/default/templates/pro-help/main.ejs
etherpad/src/themes/default/templates/pro-help/pro-help-template.ejs
infrastructure/com.etherpad/licensing.scala
trunk/etherpad/src/etherpad/collab/ace/contentcollector.js
trunk/etherpad/src/etherpad/collab/ace/linestylefilter.js
trunk/etherpad/src/static/css/home-opensource.css
trunk/etherpad/src/static/js/ace.js
trunk/etherpad/src/static/js/linestylefilter_client.js
trunk/etherpad/src/templates/email/eepnet_license_info.ejs
trunk/etherpad/src/templates/pad/pad_body2.ejs
trunk/etherpad/src/templates/pad/pad_content.ejs
trunk/etherpad/src/templates/pad/padfull_body.ejs
trunk/etherpad/src/templates/pro/admin/pne-license-manager.ejs
Diffstat (limited to 'infrastructure/ace/www/profiler.js')
-rw-r--r-- | infrastructure/ace/www/profiler.js | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/infrastructure/ace/www/profiler.js b/infrastructure/ace/www/profiler.js new file mode 100644 index 0000000..24b68a2 --- /dev/null +++ b/infrastructure/ace/www/profiler.js @@ -0,0 +1,117 @@ +/** + * Copyright 2009 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS-IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// author: David Greenspan +// a basic profiler +// e.g. var p = PROFILER("somename", true); +// p.mark("abc"); abc(); +// p.mark("xyz"); var x = xyz(); +// p.literal(x, "someNumber"); +// p.end(); + +// Note that IE/Win only has 16 ms time resolution for each run. + +var _profilersByName = {}; +function PROFILER(name, enabled) { + if (!_profilersByName['$'+name]) { + _profilersByName['$'+name] = _makeProfiler(name, enabled); + } + var p = _profilersByName['$'+name]; + p.start(); + return p; +} + +function resetProfiler(name) { + delete _profilersByName['$'+name]; +} + +function _makeProfiler(name, enabled) { + enabled = (enabled !== false); + + var _profileTime; + var _profileResults; + var _profileTotal; + var _profileHistory = []; + var running = false; + + function profileStart(name) { + _profileResults = []; + _profileTotal = 0; + if (name) _profileResults.push(name); + running = true; + _profileTime = (new Date()).getTime(); + } + + function profileMark(name) { + var stopTime = (new Date()).getTime(); + var dt = stopTime - _profileTime; + _profileResults.push(dt); + _profileTotal += dt; + if (name) _profileResults.push(name); + _profileTime = (new Date()).getTime(); + } + + function profileLiteral(value, name) { + _profileResults.push(value); + if (name) _profileResults.push("%="+name); + } + + function profileEnd(name) { + if (running == false) return; + var stopTime = (new Date()).getTime(); + var dt = stopTime - _profileTime; + _profileResults.push(dt); + _profileTotal += dt; + if (name) _profileResults.push(name); + _profileResults.unshift(_profileTotal,"="); + _profileHistory.push(_profileResults); + if (dumpProfileDataTimeout) + top.clearTimeout(dumpProfileDataTimeout); + dumpProfileDataTimeout = top.setTimeout(dumpProfileData, 800); + running = false; + } + + var dumpProfileDataTimeout = null; + + function dumpProfileData() { + var data = _profileHistory[0].slice(); + forEach(_profileHistory.slice(1), function (h) { + forEach(h, function (x, i) { + if ((typeof x) == "number") data[i] += x; + }); + }); + data = map(data, function (x) { + if ((typeof x) == "number") return String(x/_profileHistory.length).substring(0,4); + return x; + }); + data.push("("+_profileHistory.length+")"); + top.pad.dmesg(data.join(" ").replace(/ %/g,'')); + dumpProfileDataTimeout = null; + } + + function noop() {} + function cancel() { + running = false; + } + + if (enabled) { + return {start:profileStart, mark:profileMark, literal:profileLiteral, end:profileEnd, + cancel:cancel}; + } + else { + return {start:noop, mark:noop, literal:noop, end:noop, cancel:noop}; + } +} |