diff --git a/src/inspector/js_protocol.json b/src/inspector/js_protocol.json
index 39ea5cf915..3476a51f9e 100644
--- a/src/inspector/js_protocol.json
+++ b/src/inspector/js_protocol.json
@@ -1144,6 +1144,12 @@
                 "returns": [
                     { "name": "profile", "$ref": "SamplingHeapProfile", "description": "Recorded sampling heap profile." }
                 ]
+            },
+            {
+                "name": "getSamplingProfile",
+                "returns": [
+                    { "name": "profile", "$ref": "SamplingHeapProfile", "description": "Return the sampling profile being collected." }
+                ]
             }
         ],
         "events": [
diff --git a/src/inspector/v8-heap-profiler-agent-impl.cc b/src/inspector/v8-heap-profiler-agent-impl.cc
index b3e3d11f51..8af3edf7e1 100644
--- a/src/inspector/v8-heap-profiler-agent-impl.cc
+++ b/src/inspector/v8-heap-profiler-agent-impl.cc
@@ -363,17 +363,24 @@ buildSampingHeapProfileNode(const v8::AllocationProfile::Node* node) {
 
 Response V8HeapProfilerAgentImpl::stopSampling(
     std::unique_ptr<protocol::HeapProfiler::SamplingHeapProfile>* profile) {
+  Response result = getSamplingProfile(profile);
+  if (result.isSuccess()) {
+    m_isolate->GetHeapProfiler()->StopSamplingHeapProfiler();
+    m_state->setBoolean(HeapProfilerAgentState::samplingHeapProfilerEnabled,
+                        false);
+  }
+  return result;
+}
+
+Response V8HeapProfilerAgentImpl::getSamplingProfile(
+    std::unique_ptr<protocol::HeapProfiler::SamplingHeapProfile>* profile) {
   v8::HeapProfiler* profiler = m_isolate->GetHeapProfiler();
-  if (!profiler) return Response::Error("Cannot access v8 heap profiler");
   v8::HandleScope scope(
-      m_isolate);  // Allocation profile contains Local handles.
+      m_isolate);  // v8::AllocationProfile contains Local handles.
   std::unique_ptr<v8::AllocationProfile> v8Profile(
       profiler->GetAllocationProfile());
-  profiler->StopSamplingHeapProfiler();
-  m_state->setBoolean(HeapProfilerAgentState::samplingHeapProfilerEnabled,
-                      false);
   if (!v8Profile)
-    return Response::Error("Cannot access v8 sampled heap profile.");
+    return Response::Error("V8 sampling heap profiler was not started.");
   v8::AllocationProfile::Node* root = v8Profile->GetRootNode();
   *profile = protocol::HeapProfiler::SamplingHeapProfile::create()
                  .setHead(buildSampingHeapProfileNode(root))
diff --git a/src/inspector/v8-heap-profiler-agent-impl.h b/src/inspector/v8-heap-profiler-agent-impl.h
index e0e244715f..7491a80f10 100644
--- a/src/inspector/v8-heap-profiler-agent-impl.h
+++ b/src/inspector/v8-heap-profiler-agent-impl.h
@@ -46,6 +46,8 @@ class V8HeapProfilerAgentImpl : public protocol::HeapProfiler::Backend {
   Response startSampling(Maybe<double> samplingInterval) override;
   Response stopSampling(
       std::unique_ptr<protocol::HeapProfiler::SamplingHeapProfile>*) override;
+  Response getSamplingProfile(
+      std::unique_ptr<protocol::HeapProfiler::SamplingHeapProfile>*) override;
 
  private:
   void startTrackingHeapObjectsInternal(bool trackAllocations);
diff --git a/test/inspector/heap-profiler/sampling-heap-profiler-expected.txt b/test/inspector/heap-profiler/sampling-heap-profiler-expected.txt
new file mode 100644
index 0000000000..2b14f901b6
--- /dev/null
+++ b/test/inspector/heap-profiler/sampling-heap-profiler-expected.txt
@@ -0,0 +1,7 @@
+Checks sampling heap profiler methods.
+Expected error: V8 sampling heap profiler was not started.
+Allocated size is zero in the beginning: true
+Allocated size is more than 100KB after a chunk is allocated: true
+Allocated size increased after one more chunk is allocated: true
+Allocated size did not change after stopping: true
+Successfully finished
diff --git a/test/inspector/heap-profiler/sampling-heap-profiler.js b/test/inspector/heap-profiler/sampling-heap-profiler.js
new file mode 100644
index 0000000000..1b82a46fa2
--- /dev/null
+++ b/test/inspector/heap-profiler/sampling-heap-profiler.js
@@ -0,0 +1,48 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --sampling-heap-profiler-suppress-randomness
+
+(async function() {
+  let {contextGroup, Protocol} = InspectorTest.start('Checks sampling heap profiler methods.');
+
+  contextGroup.addScript(`
+    var holder = [];
+    function allocateChunk() {
+      holder.push(new Array(100000).fill(42));
+    }
+    //# sourceURL=test.js`);
+
+  Protocol.HeapProfiler.enable();
+
+  const profile0 = await Protocol.HeapProfiler.getSamplingProfile();
+  InspectorTest.log('Expected error: ' + profile0.error.message);
+
+  await Protocol.HeapProfiler.startSampling();
+  const profile1 = await Protocol.HeapProfiler.getSamplingProfile();
+  const size1 = nodeSize(profile1.result.profile.head);
+  InspectorTest.log('Allocated size is zero in the beginning:', size1 === 0);
+
+  await Protocol.Runtime.evaluate({ expression: 'allocateChunk()' });
+  const profile2 = await Protocol.HeapProfiler.getSamplingProfile();
+  const size2 = nodeSize(profile2.result.profile.head);
+  InspectorTest.log('Allocated size is more than 100KB after a chunk is allocated:', size2 > 100000);
+
+  await Protocol.Runtime.evaluate({ expression: 'allocateChunk()' });
+  const profile3 = await Protocol.HeapProfiler.getSamplingProfile();
+  const size3 = nodeSize(profile3.result.profile.head);
+  InspectorTest.log('Allocated size increased after one more chunk is allocated:', size3 > size2);
+
+  const profile4 = await Protocol.HeapProfiler.stopSampling();
+  const size4 = nodeSize(profile4.result.profile.head);
+  InspectorTest.log('Allocated size did not change after stopping:', size4 === size3);
+
+  InspectorTest.log('Successfully finished');
+  InspectorTest.completeTest();
+
+  function nodeSize(node) {
+    return node.children.reduce((res, child) => res + nodeSize(child),
+                                node.callFrame.functionName === 'allocateChunk' ? node.selfSize : 0);
+  }
+})();