diff --git a/backend-simulators/pim/pim-simulator/src/bin/pim-simulator/main.rs b/backend-simulators/pim/pim-simulator/src/bin/pim-simulator/main.rs
index b12f27e..104f9ca 100644
--- a/backend-simulators/pim/pim-simulator/src/bin/pim-simulator/main.rs
+++ b/backend-simulators/pim/pim-simulator/src/bin/pim-simulator/main.rs
@@ -3,6 +3,7 @@ use clap::Parser;
 use glob::glob;
 use pimcore::cpu::crossbar;
 use pimcore::json_to_instruction::json_to_executor;
+use pimcore::tracing::TRACER;
 use serde_json::Value;
 use std::{fs, usize};
 use std::io::Write;
@@ -46,6 +47,7 @@ fn main() -> Result<()> {
     let mut executor = json_to_executor::json_to_executor(config_json, core_jsons.iter());
     populate_crossbar(&args, &mut executor);
     set_memory(&mut executor, memory);
+    TRACER.lock().unwrap().init(executor.cpu().num_core(), args.output.clone());
     executor.execute();
     dump_memory(executor, &args)?;
     Ok(())
diff --git a/backend-simulators/pim/pim-simulator/src/lib/pimcore.rs b/backend-simulators/pim/pim-simulator/src/lib/pimcore.rs
index 3f9931d..332b869 100644
--- a/backend-simulators/pim/pim-simulator/src/lib/pimcore.rs
+++ b/backend-simulators/pim/pim-simulator/src/lib/pimcore.rs
@@ -86,7 +86,6 @@ impl Executable {
     }
 
     pub fn execute(&mut self) {
-        TRACER.lock().unwrap().init(self);
         let Self {
             cpu,
             core_instructions,
diff --git a/backend-simulators/pim/pim-simulator/src/lib/tracing/mod.rs b/backend-simulators/pim/pim-simulator/src/lib/tracing/mod.rs
index 0346a20..c918b2c 100644
--- a/backend-simulators/pim/pim-simulator/src/lib/tracing/mod.rs
+++ b/backend-simulators/pim/pim-simulator/src/lib/tracing/mod.rs
@@ -3,7 +3,7 @@ mod disable;
 mod pretty_print;
 
 #[cfg(feature = "tracing")]
-use std::fs::File;
+use std::{fs::File, path::{ PathBuf}};
 use std::sync::{LazyLock, Mutex};
 
 use crate::Executable;
@@ -21,12 +21,13 @@ impl Trace {
     }
 
 
-    pub fn init(&mut self, executor : & Executable) {
-        let cpu = executor.cpu();
-        let num_core = cpu.num_core();
+    pub fn init(&mut self, num_core : usize , mut path :  PathBuf) {
+        path.pop();
         for i in 0..num_core {
-            let file = File::create(format!("TraceCore{}", i)).expect("Can not create file");
+            path.push(format!("TraceCore{}", i));
+            let file = File::create(&path).expect("Can not create file");
             self.out_files.push(file);
+            path.pop();
         }
     }
 }
@@ -43,7 +44,7 @@ impl Trace {
     }
 
 
-    pub fn init(&mut self, executor : & Executable) {
+    pub fn init(&mut self, num_core : usize, path : PathBuf ) {
     }
 }