diff --git a/simulator/main.rs b/simulator/main.rs
index ccf8977ae..7db63dbb4 100644
--- a/simulator/main.rs
+++ b/simulator/main.rs
@@ -27,6 +27,7 @@ use crate::runner::env::{Paths, SimulationPhase, SimulationType};
 
 mod generation;
 mod model;
+mod profiles;
 mod runner;
 mod shrink;
 
diff --git a/simulator/profiles/io.rs b/simulator/profiles/io.rs
new file mode 100644
index 000000000..fd91d7033
--- /dev/null
+++ b/simulator/profiles/io.rs
@@ -0,0 +1,9 @@
+#[derive(Debug, Default, Clone)]
+pub struct IOProfile {
+    enable: bool,
+}
+
+#[derive(Debug, Default, Clone)]
+pub struct LatencyProfile {
+    enable: bool,
+}
diff --git a/simulator/profiles/mod.rs b/simulator/profiles/mod.rs
new file mode 100644
index 000000000..a4192602d
--- /dev/null
+++ b/simulator/profiles/mod.rs
@@ -0,0 +1,5 @@
+mod io;
+mod query;
+
+#[derive(Debug, Default, Clone)]
+pub struct Profile {}
diff --git a/simulator/profiles/query.rs b/simulator/profiles/query.rs
new file mode 100644
index 000000000..725513709
--- /dev/null
+++ b/simulator/profiles/query.rs
@@ -0,0 +1,29 @@
+#[derive(Debug, Default, Clone)]
+pub struct CreateTableProfile {
+    enable: bool,
+}
+
+#[derive(Debug, Default, Clone)]
+pub struct CreateIndexProfile {
+    enable: bool,
+}
+
+#[derive(Debug, Default, Clone)]
+pub struct InsertProfile {
+    enable: bool,
+}
+
+#[derive(Debug, Default, Clone)]
+pub struct UpdateProfile {
+    enable: bool,
+}
+
+#[derive(Debug, Default, Clone)]
+pub struct DeleteProfile {
+    enable: bool,
+}
+
+#[derive(Debug, Default, Clone)]
+pub struct DropTableProfile {
+    enable: bool,
+}