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// Copyright 2015 The Bazel Authors. All rights reserved.
//
// 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.
package com.google.devtools.build.lib.profiler.output;
import com.google.devtools.build.lib.profiler.ProfilePhase;
import com.google.devtools.build.lib.profiler.ProfilerTask;
import com.google.devtools.build.lib.profiler.statistics.MultiProfileStatistics;
import com.google.devtools.build.lib.profiler.statistics.PhaseStatistics;
import com.google.devtools.build.lib.util.TimeUtilities;
import com.google.devtools.build.lib.vfs.Path;
import java.io.PrintStream;
import java.util.EnumMap;
/**
* Formats the per file phase statistics from {@link MultiProfileStatistics} into HTML tables.
*/
public final class MultiProfilePhaseHtml extends HtmlPrinter {
private final MultiProfileStatistics statistics;
public MultiProfilePhaseHtml(PrintStream out, MultiProfileStatistics statistics) {
super(out);
this.statistics = statistics;
}
/**
* Prints CSS definitions and JavaScript code.
*/
void printHtmlHead() {
lnOpen("style", "type", "text/css", "<!--");
lnPrint("div.profiles-table {");
lnPrint(" width: 95%; margin: 0 auto; height: auto;");
lnPrint("}");
lnPrint("-->");
close(); // style
}
/**
* Prints the table data and JS for each phase and file.
*
* <p>Code must be added to the callback that is run when the Visualization library has loaded.
*/
public void printVisualizationCallbackJs() {
lnPrint("var multiData;");
lnPrint("var statsDiv;");
lnPrint("var profileTable;");
for (ProfilePhase phase : statistics.getSummaryStatistics()) {
lnPrintf("statsDiv = document.getElementById('profile_file_stats_%s');", phase.nick);
lnPrint("multiData = new google.visualization.DataTable();");
lnPrint("multiData.addColumn('string', 'File');");
lnPrint("multiData.addColumn('number', 'total');");
PhaseStatistics summaryPhaseStatistics = statistics.getSummaryPhaseStatistics(phase);
for (ProfilerTask taskType : summaryPhaseStatistics) {
lnPrintf("multiData.addColumn('number', '%s %%');", taskType.name());
}
lnPrint("multiData.addRows([");
down();
for (Path file : statistics) {
EnumMap<ProfilePhase, PhaseStatistics> phases = statistics.getPhaseStatistics(file);
PhaseStatistics phaseStatistics = phases.get(phase);
lnPrintf("['%s', ", file);
long phaseDuration = phaseStatistics.getPhaseDurationNanos();
printf("{v:%d, f:'%s'}, ", phaseDuration, TimeUtilities.prettyTime(phaseDuration));
for (ProfilerTask taskType : summaryPhaseStatistics) {
if (phaseStatistics.wasExecuted(taskType)) {
double relative = phaseStatistics.getTotalRelativeDuration(taskType);
printf("{v:%.4f, f:'%.3f %%'}, ", relative, relative * 100);
} else {
print("0, ");
}
}
print("],");
}
lnPrint("]);");
up();
lnPrint("profileTable = new google.visualization.Table(statsDiv);");
lnPrint("profileTable.draw(multiData, {showRowNumber: true, width: '100%%'});");
}
}
/**
* Prints divs for the tables of statistics for profile files and their phases.
*/
void printHtmlBody() {
lnPrint("<a name='profile_file_stats'/>");
lnElement("h3", "Profile File Statistics");
lnOpen("div", "class", "profiles-tables", "id", "profile_file_stats");
for (ProfilePhase phase : statistics.getSummaryStatistics()) {
lnOpen("div");
lnElement("h4", phase.nick);
lnElement("div", "class", "profiles-table", "id", "profile_file_stats_" + phase.nick);
lnClose();
}
lnClose(); // div
}
}
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