Add new performance option

editor/tools/plugins/com.google.dart.command.analyze/src/com/google/dart/command/analyze/AnalyzerMain.java

Index: editor/tools/plugins/com.google.dart.command.analyze/src/com/google/dart/command/analyze/AnalyzerMain.java
diff --git a/editor/tools/plugins/com.google.dart.command.analyze/src/com/google/dart/command/analyze/AnalyzerMain.java b/editor/tools/plugins/com.google.dart.command.analyze/src/com/google/dart/command/analyze/AnalyzerMain.java
index e66f70293d4169ab0dd48b603cccd18df97216bf..56933db17f29afab71cf87809301f82f51ae23dc 100644
--- a/editor/tools/plugins/com.google.dart.command.analyze/src/com/google/dart/command/analyze/AnalyzerMain.java
+++ b/editor/tools/plugins/com.google.dart.command.analyze/src/com/google/dart/command/analyze/AnalyzerMain.java
@@ -194,6 +194,29 @@ public class AnalyzerMain {
 
     formatter.startAnalysis();
 
+    if (options.getWarmPerf()) {
+      long startTime = System.currentTimeMillis();
+      AnalyzerImpl analyzer = newAnalyzer(options);
+      analyzer.analyze(sourceFile, errors, lineInfoMap);
+      showColdPerformanceResults(startTime);
+
+      for (int i = 0; i < 8; i++) {
+        analyzer = newAnalyzer(options);
+        analyzer.analyze(sourceFile, errors, lineInfoMap);
+      }
+
+      PerformanceStatistics.reset();
+      startTime = System.currentTimeMillis();
+      analyzer = newAnalyzer(options);
+      ErrorSeverity status = analyzer.analyze(sourceFile, errors, lineInfoMap);
+      formatter.formatErrors(errors);
+      if (status.equals(ErrorSeverity.WARNING) && options.getWarningsAreFatal()) {
+        status = ErrorSeverity.ERROR;
+      }
+      showPerformanceResults(startTime);
+      return status;
+    }
+
     long startTime = System.currentTimeMillis();
     AnalyzerImpl analyzer = newAnalyzer(options);
     ErrorSeverity status = analyzer.analyze(sourceFile, errors, lineInfoMap);
@@ -235,6 +258,30 @@ public class AnalyzerMain {
     System.out.println("total:" + totalTime);
   }
 
+  private void showColdPerformanceResults(long startTime) {

[scheglov, 2014/04/07 19:20:30]

Maybe pass "-cold" prefix and shared code with "warm" showPerformanceResults() ?

[Brian Wilkerson, 2014/04/07 20:05:17]

Done

+    long totalTime = System.currentTimeMillis() - startTime;
+    long ioTime = PerformanceStatistics.io.getResult();
+    long scanTime = PerformanceStatistics.scan.getResult();
+    long parseTime = PerformanceStatistics.parse.getResult();
+    long resolveTime = PerformanceStatistics.resolve.getResult();
+    long errorsTime = PerformanceStatistics.errors.getResult();
+    long hintsTime = PerformanceStatistics.hints.getResult();
+    long angularTime = PerformanceStatistics.angular.getResult();
+    long polymerTime = PerformanceStatistics.polymer.getResult();
+    System.out.println("io-cold:" + ioTime);
+    System.out.println("scan-cold:" + scanTime);
+    System.out.println("parse-cold:" + parseTime);
+    System.out.println("resolve-cold:" + resolveTime);
+    System.out.println("errors-cold:" + errorsTime);
+    System.out.println("hints-cold:" + hintsTime);
+    System.out.println("angular-cold:" + angularTime);
+    System.out.println("polymer-cold:" + polymerTime);
+    System.out.println("other-cold:"
+        + (totalTime - (ioTime + scanTime + parseTime + resolveTime + errorsTime + hintsTime
+            + angularTime + polymerTime)));
+    System.out.println("total-cold:" + totalTime);
+  }
+
   private void showUsage(PrintStream out) {
     out.println("Usage: " + getProgramName() + " [<options>] <dart-script>");
     out.println();