diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java
index c20eaa1..f1a1b6f 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java
@@ -11,6 +11,10 @@
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.FileLocator;
 import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.jdt.core.IClasspathEntry;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.JavaCore;
@@ -83,8 +87,19 @@
 					}
 					
 					// �C���X�g�D�������e�[�V�������s��
+					final String CLASS_PATH = classPath;					
 					Tracer.initialize(new OutputStatementsGenerator(getGenerator()), cp);	// �����ŏo�̓t�H�[�}�b�g���w�肷��
-					Tracer.packageInstrumentation("", classPath + "/");
+					Job job = new Job("Instrumentation") {
+						@Override
+						protected IStatus run(IProgressMonitor monitor) {							
+							monitor.beginTask("Running instrumentation...", IProgressMonitor.UNKNOWN);
+							Tracer.packageInstrumentation("", CLASS_PATH + "/");
+							monitor.done();
+							return Status.OK_STATUS;
+						}
+					};
+					job.setUser(true);
+					job.schedule();
 				} catch (JavaModelException | NotFoundException e) {
 					e.printStackTrace();
 				}