diff --git a/mlir/compiler-course/chizhov_m_loop_pass/CMakeLists.txt b/mlir/compiler-course/chizhov_m_loop_pass/CMakeLists.txt
new file mode 100644
index 0000000000000..86b5f7d3fa118
--- /dev/null
+++ b/mlir/compiler-course/chizhov_m_loop_pass/CMakeLists.txt
@@ -0,0 +1,16 @@
+set(Title "LoopPassBeginEnd")
+set(Student "Chizhov_Maxim")
+set(Group "FIIT3")
+set(TARGET_NAME "${Title}_${Student}_${Group}_MLIR")
+
+file(GLOB_RECURSE SOURCES *.cpp *.h *.hpp)
+
+add_llvm_pass_plugin(${TARGET_NAME}
+    ${SOURCES}
+    DEPENDS
+    intrinsics_gen
+    MLIRBuiltinLocationAttributesIncGen
+    BUILDTREE_ONLY
+)
+
+set(MLIR_TEST_DEPENDS ${TARGET_NAME} ${MLIR_TEST_DEPENDS} PARENT_SCOPE)
diff --git a/mlir/compiler-course/chizhov_m_loop_pass/chizhov_m_loop_pass.cpp b/mlir/compiler-course/chizhov_m_loop_pass/chizhov_m_loop_pass.cpp
new file mode 100644
index 0000000000000..41655a8e47a32
--- /dev/null
+++ b/mlir/compiler-course/chizhov_m_loop_pass/chizhov_m_loop_pass.cpp
@@ -0,0 +1,76 @@
+#include "mlir/Dialect/Affine/IR/AffineOps.h"
+#include "mlir/Dialect/Func/IR/FuncOps.h"
+#include "mlir/Dialect/SCF/IR/SCF.h"
+#include "mlir/IR/Builders.h"
+#include "mlir/Pass/Pass.h"
+#include "mlir/Tools/Plugins/PassPlugin.h"
+
+using namespace mlir;
+
+namespace {
+class TraceLoopIterPass
+    : public PassWrapper<TraceLoopIterPass, OperationPass<ModuleOp>> {
+public:
+  StringRef getArgument() const final {
+    return "LoopPassBeginEnd_Chizhov_Maxim_FIIT3_MLIR";
+  }
+
+  StringRef getDescription() const final {
+    return "Inserts `@trace_loop_iter_begin` and `@trace_loop_iter_end` calls "
+           "into each loop iteration";
+  }
+
+  void insertTraceCalls(Block &body, OpBuilder &builder, Location loc) {
+    builder.setInsertionPointToStart(&body);
+    builder.create<func::CallOp>(loc,
+                                 builder.getStringAttr("trace_loop_iter_begin"),
+                                 TypeRange{}, ValueRange{});
+
+    builder.setInsertionPoint(body.getTerminator());
+    builder.create<func::CallOp>(loc,
+                                 builder.getStringAttr("trace_loop_iter_end"),
+                                 TypeRange{}, ValueRange{});
+  }
+
+  void processAffineFor(affine::AffineForOp op, OpBuilder &builder) {
+    insertTraceCalls(*op.getBody(), builder, op.getLoc());
+  }
+
+  void processSCFFor(scf::ForOp op, OpBuilder &builder) {
+    insertTraceCalls(*op.getBody(), builder, op.getLoc());
+  }
+
+  void processSCFWhile(scf::WhileOp op, OpBuilder &builder) {
+    Block &afterBlock = op.getAfter().front();
+    insertTraceCalls(afterBlock, builder, op.getLoc());
+  }
+
+  void runOnOperation() override {
+    ModuleOp moduleOp = getOperation();
+    OpBuilder builder(moduleOp.getContext());
+
+    moduleOp.walk([&](Operation *op) {
+      if (auto affineFor = dyn_cast<affine::AffineForOp>(op)) {
+        processAffineFor(affineFor, builder);
+      } else if (auto scfFor = dyn_cast<scf::ForOp>(op)) {
+        processSCFFor(scfFor, builder);
+      } else if (auto scfWhile = dyn_cast<scf::WhileOp>(op)) {
+        processSCFWhile(scfWhile, builder);
+      }
+    });
+  }
+};
+} // namespace
+
+MLIR_DECLARE_EXPLICIT_TYPE_ID(TraceLoopIterPass)
+MLIR_DEFINE_EXPLICIT_TYPE_ID(TraceLoopIterPass)
+
+mlir::PassPluginLibraryInfo getFunctionCallCounterPassPluginInfo() {
+  return {MLIR_PLUGIN_API_VERSION, "LoopPassBeginEnd_Chizhov_Maxim_FIIT3_MLIR",
+          "1.0", []() { mlir::PassRegistration<TraceLoopIterPass>(); }};
+}
+
+extern "C" LLVM_ATTRIBUTE_WEAK mlir::PassPluginLibraryInfo
+mlirGetPassPluginInfo() {
+  return getFunctionCallCounterPassPluginInfo();
+}
diff --git a/mlir/test/compiler-course/chizhov_m_loop_pass/test.mlir b/mlir/test/compiler-course/chizhov_m_loop_pass/test.mlir
new file mode 100644
index 0000000000000..9bb70f7e9839f
--- /dev/null
+++ b/mlir/test/compiler-course/chizhov_m_loop_pass/test.mlir
@@ -0,0 +1,77 @@
+// RUN: mlir-opt -load-pass-plugin=%mlir_lib_dir/LoopPassBeginEnd_Chizhov_Maxim_FIIT3_MLIR%shlibext \
+// RUN: --pass-pipeline="builtin.module(LoopPassBeginEnd_Chizhov_Maxim_FIIT3_MLIR)" %s | FileCheck %s
+
+module {
+  func.func private @trace_loop_iter_begin() -> ()
+  func.func private @trace_loop_iter_end() -> ()
+
+  // CHECK-LABEL: func.func @affine_loop
+  func.func @affine_loop() {
+    %c0 = arith.constant 0 : index
+    %c10 = arith.constant 10 : index
+
+    affine.for %i = %c0 to %c10 {
+      // CHECK: call @trace_loop_iter_begin
+      "test.op"() : () -> ()
+      // CHECK: call @trace_loop_iter_end
+    }
+    return
+  }
+}
+
+module {
+  func.func private @trace_loop_iter_begin() -> ()
+  func.func private @trace_loop_iter_end() -> ()
+
+  // CHECK-LABEL: func.func @scf_loop
+  func.func @scf_loop() {
+    %c0 = arith.constant 0 : index
+    %c1 = arith.constant 1 : index
+    %c10 = arith.constant 10 : index
+
+    scf.for %i = %c0 to %c10 step %c1 {
+      // CHECK: call @trace_loop_iter_begin
+      "test.op"() : () -> ()
+      // CHECK: call @trace_loop_iter_end
+    }
+
+    return
+  }
+}
+// CHECK-LABEL: func.func @scf_while
+// CHECK-NEXT: %c0 = arith.constant 0 : index
+// CHECK-NEXT: %c1 = arith.constant 1 : index
+// CHECK-NEXT: %c10 = arith.constant 10 : index
+// CHECK-NEXT: %0 = scf.while (%arg0 = %c0) : (index) -> index {
+// CHECK-NEXT:    %1 = arith.cmpi slt, %arg0, %c10 : index
+// CHECK-NEXT:    scf.condition(%1) %arg0 : index
+// CHECK-NEXT:    } do {
+// CHECK-NEXT:    ^bb0(%arg0: index):
+// CHECK-NEXT:      call @trace_loop_iter_begin() : () -> ()
+// CHECK-NEXT:      "test.op"() : () -> ()
+// CHECK-NEXT:      %1 = arith.addi %arg0, %c1 : index
+// CHECK-NEXT:      call @trace_loop_iter_end() : () -> ()
+// CHECK-NEXT:      scf.yield %1 : index
+
+module {
+  func.func private @trace_loop_iter_begin() -> ()
+  func.func private @trace_loop_iter_end() -> ()
+
+  func.func @scf_while() {
+    %c0 = arith.constant 0 : index
+    %c1 = arith.constant 1 : index
+    %c10 = arith.constant 10 : index
+
+    %init = scf.while (%i = %c0) : (index) -> (index) {
+      %cond = arith.cmpi "slt", %i, %c10 : index
+      scf.condition(%cond) %i : index
+    } do {
+      ^bb0(%i_in: index):
+        "test.op"() : () -> ()
+        %inc = arith.addi %i_in, %c1 : index
+        scf.yield %inc : index
+    }
+
+    return
+  }
+}
\ No newline at end of file