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Bug 366570: Added tracing option.

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This commit is contained in:
Markus Schorn 2012-04-04 14:45:52 +02:00
parent 105de6f15d
commit e85390856a
2 changed files with 28 additions and 0 deletions
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3
core/org.eclipse.cdt.core/.options
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@ -9,6 +9,9 @@ org.eclipse.cdt.core/debug/parser=false
# Prints parser stack traces # Prints parser stack traces
org.eclipse.cdt.core/debug/parser/exceptions=false org.eclipse.cdt.core/debug/parser/exceptions=false
# Reports statistics for building the structure to do resource lookups.
org.eclipse.cdt.core/debug/resourceLookup=false
# Reports scanner activity # Reports scanner activity
org.eclipse.cdt.core/debug/scanner=false org.eclipse.cdt.core/debug/scanner=false

25
core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/resources/ResourceLookupTree.java
View file

@ -122,6 +122,8 @@ class ResourceLookupTree implements IResourceChangeListener, IResourceDeltaVisit
private boolean fNeedCleanup; private boolean fNeedCleanup;
private Node fLastFolderNode; private Node fLastFolderNode;
private boolean fTrace;
public ResourceLookupTree() { public ResourceLookupTree() {
fRootNode= new Node(null, CharArrayUtils.EMPTY, false, false) {}; fRootNode= new Node(null, CharArrayUtils.EMPTY, false, false) {};
fFileExtensions= new HashMap<String, Extensions>(); fFileExtensions= new HashMap<String, Extensions>();
@ -133,6 +135,7 @@ class ResourceLookupTree implements IResourceChangeListener, IResourceDeltaVisit
} }
}; };
fUnrefJob.setSystem(true); fUnrefJob.setSystem(true);
fTrace= "true".equals(Platform.getDebugOption(CCorePlugin.PLUGIN_ID + "/debug/resourceLookup")); //$NON-NLS-1$//$NON-NLS-2$
} }
public void startup() { public void startup() {
@ -265,14 +268,36 @@ class ResourceLookupTree implements IResourceChangeListener, IResourceDeltaVisit
createFileNode(res.getFullPath(), null); createFileNode(res.getFullPath(), null);
} }
} else { } else {
long time=0, count=0;
final boolean trace = fTrace && res instanceof IProject;
if (trace) {
time= System.currentTimeMillis();
count= countNodes();
}
try { try {
res.accept(this, 0); res.accept(this, 0);
} catch (CoreException e) { } catch (CoreException e) {
CCorePlugin.log(e); CCorePlugin.log(e);
} }
if (trace) {
System.out.println("Built file lookup tree for " + res.getName() + ", took " + //$NON-NLS-1$//$NON-NLS-2$
(System.currentTimeMillis() - time) + "ms to add " + (countNodes()-count) + " nodes."); //$NON-NLS-1$ //$NON-NLS-2$
}
} }
} }
private long countNodes() {
long result= 0;
for (Object node : fNodeMap.values()) {
if (node instanceof Node[]) {
result += ((Node[]) node).length;
} else {
result++;
}
}
return result;
}
/** /**
* Add a resource tree by using a resource proxy visitor. * Add a resource tree by using a resource proxy visitor.
*/ */