Add more data and performance operations for Cider.

R=brianwilkerson@google.com, keertip@google.com

Change-Id: If2ad5135a8de977f92300e6c2480891ab02c6458
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/155721
Reviewed-by: Keerti Parthasarathy <keertip@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>

Author: scheglov

pkg/analysis_server/lib/src/cider/completion.dart

@@ -207,6 +207,8 @@ class CiderCompletionComputer {
     @required LibraryElement element,
     @required OperationPerformanceImpl performance,
   }) {
+    performance.getDataInt('libraryCount').increment();
+
     var path = element.source.fullName;
     var signature = _fileResolver.getLibraryLinkedSignature(
       path: path,
@@ -215,6 +217,7 @@ class CiderCompletionComputer {
 
     var cacheEntry = _cache._importedLibraries[path];
     if (cacheEntry == null || cacheEntry.signature != signature) {
+      performance.getDataInt('libraryCompute').increment();
       computedImportedLibraries.add(path);
       var suggestions = _librarySuggestions(element);
       cacheEntry = _CiderImportedLibrarySuggestions(

pkg/analyzer/lib/src/dart/micro/library_analyzer.dart

@@ -127,12 +127,16 @@ class LibraryAnalyzer {
     // Resolve URIs in directives to corresponding sources.
     FeatureSet featureSet = units[_library].featureSet;
 
-    units.forEach((file, unit) {
-      _validateFeatureSet(unit, featureSet);
-      _resolveUriBasedDirectives(file, unit);
+    performance.run('resolveUriDirectives', (performance) {
+      units.forEach((file, unit) {
+        _validateFeatureSet(unit, featureSet);
+        _resolveUriBasedDirectives(file, unit);
+      });
     });
 
-    _libraryElement = _elementFactory.libraryOfUri(_library.uriStr);
+    performance.run('libraryElement', (performance) {
+      _libraryElement = _elementFactory.libraryOfUri(_library.uriStr);
+    });
 
     performance.run('resolveDirectives', (performance) {
       _resolveDirectives(units, forCompletion);