diff --git a/src/main.rs b/src/main.rs
index 4ae489c..ce89a33 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,13 +12,22 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         let mut failed_corpus_v1 = 0;
         let mut success_corpus_v1 = 0;
 
+        let mut patch_vm_total_ns: u128 = 0;
+        let mut sched_vm_total_ns: u128 = 0;
+
         for directory in std::fs::read_dir(dir)? {
             let path = directory?.path();
             // println!("{}", path.display());
             let data = std::fs::read(path.clone())?;
 
+            let patch_start = std::time::Instant::now();
             let r_patch = schedfuzz::patch::run(&data, 0).map_err(|e| schedfuzz::normalize_error(format!("{:?}", e)));
+            patch_vm_total_ns += patch_start.elapsed().as_nanos();
+
+            let sched_start = std::time::Instant::now();
             let r_sched = schedfuzz::sched::run(&data, 0).map_err(|e| schedfuzz::normalize_error(format!("{:?}", e)));
+            sched_vm_total_ns += sched_start.elapsed().as_nanos();
+
             assert_eq!(r_patch, r_sched, "file path : {}", path.display());
             match r_patch {
                 Ok(_) => {
@@ -29,8 +38,14 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
                 }
             }
 
+            let patch_start = std::time::Instant::now();
             let r_patch = schedfuzz::patch::run(&data, 2).map_err(|e| schedfuzz::normalize_error(format!("{:?}", e)));
+            patch_vm_total_ns += patch_start.elapsed().as_nanos();
+
+            let sched_start = std::time::Instant::now();
             let r_sched = schedfuzz::sched::run(&data, 2).map_err(|e| schedfuzz::normalize_error(format!("{:?}", e)));
+            sched_vm_total_ns += sched_start.elapsed().as_nanos();
+
             assert_eq!(r_patch, r_sched, "file path : {}", path.display());
             match r_patch {
                 Ok(_) => {
@@ -43,6 +58,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         }
         println!("version data  succ:{},failed:{}", success_corpus_v0, failed_corpus_v0);
         println!("version data1  succ:{},failed:{}", success_corpus_v1, failed_corpus_v1);
+        println!("patch_vm_total={}ms sched_vm_total={}ms", patch_vm_total_ns / 1_000_000, sched_vm_total_ns / 1_000_000);
     };
 
     Ok(())