diff --git a/simulator/profiles/io.rs b/simulator/profiles/io.rs
index b24987916..4bca40b8f 100644
--- a/simulator/profiles/io.rs
+++ b/simulator/profiles/io.rs
@@ -1,7 +1,7 @@
 #[derive(Debug, Clone)]
 pub struct IOProfile {
-    enable: bool,
-    latency: LatencyProfile,
+    pub enable: bool,
+    pub latency: LatencyProfile,
 }
 
 impl Default for IOProfile {
@@ -15,13 +15,13 @@ impl Default for IOProfile {
 
 #[derive(Debug, Clone)]
 pub struct LatencyProfile {
-    enable: bool,
+    pub enable: bool,
     /// Added IO latency probability
-    latency_probability: usize,
+    pub latency_probability: usize,
     /// Minimum tick time in microseconds for simulated time
-    min_tick: u64,
+    pub min_tick: u64,
     /// Maximum tick time in microseconds for simulated time
-    max_tick: u64,
+    pub max_tick: u64,
 }
 
 impl Default for LatencyProfile {
diff --git a/simulator/profiles/mod.rs b/simulator/profiles/mod.rs
index a4192602d..6e5187836 100644
--- a/simulator/profiles/mod.rs
+++ b/simulator/profiles/mod.rs
@@ -1,5 +1,22 @@
+use crate::profiles::{io::IOProfile, query::QueryProfile};
+
 mod io;
 mod query;
 
-#[derive(Debug, Default, Clone)]
-pub struct Profile {}
+#[derive(Debug, Clone)]
+pub struct Profile {
+    /// Experimental MVCC feature
+    pub experimental_mvcc: bool,
+    pub io: IOProfile,
+    pub query: QueryProfile,
+}
+
+impl Default for Profile {
+    fn default() -> Self {
+        Self {
+            experimental_mvcc: false,
+            io: Default::default(),
+            query: Default::default(),
+        }
+    }
+}
diff --git a/simulator/profiles/query.rs b/simulator/profiles/query.rs
index 919b8ecd5..0b1c663c3 100644
--- a/simulator/profiles/query.rs
+++ b/simulator/profiles/query.rs
@@ -1,6 +1,16 @@
+#[derive(Debug, Default, Clone)]
+pub struct QueryProfile {
+    pub create_table: CreateTableProfile,
+    pub create_index: CreateIndexProfile,
+    pub insert: InsertProfile,
+    pub update: UpdateProfile,
+    pub delete: DeleteProfile,
+    pub drop_table: DropTableProfile,
+}
+
 #[derive(Debug, Clone)]
 pub struct CreateTableProfile {
-    enable: bool,
+    pub enable: bool,
 }
 
 impl Default for CreateTableProfile {
@@ -11,7 +21,7 @@ impl Default for CreateTableProfile {
 
 #[derive(Debug, Clone)]
 pub struct CreateIndexProfile {
-    enable: bool,
+    pub enable: bool,
 }
 
 impl Default for CreateIndexProfile {
@@ -22,7 +32,7 @@ impl Default for CreateIndexProfile {
 
 #[derive(Debug, Clone)]
 pub struct InsertProfile {
-    enable: bool,
+    pub enable: bool,
 }
 
 impl Default for InsertProfile {
@@ -33,7 +43,7 @@ impl Default for InsertProfile {
 
 #[derive(Debug, Clone)]
 pub struct UpdateProfile {
-    enable: bool,
+    pub enable: bool,
 }
 
 impl Default for UpdateProfile {
@@ -44,7 +54,7 @@ impl Default for UpdateProfile {
 
 #[derive(Debug, Clone)]
 pub struct DeleteProfile {
-    enable: bool,
+    pub enable: bool,
 }
 
 impl Default for DeleteProfile {
@@ -55,7 +65,7 @@ impl Default for DeleteProfile {
 
 #[derive(Debug, Clone)]
 pub struct DropTableProfile {
-    enable: bool,
+    pub enable: bool,
 }
 
 impl Default for DropTableProfile {