diff --git a/paddle/fluid/inference/api/analysis_predictor.cc b/paddle/fluid/inference/api/analysis_predictor.cc
index 5220388a2771901f9d755492f5033a4f885fa1f1..56eb65178d3cd8b0bde26a2144e54fcc8fb010c9 100644
--- a/paddle/fluid/inference/api/analysis_predictor.cc
+++ b/paddle/fluid/inference/api/analysis_predictor.cc
@@ -269,6 +269,14 @@ void AnalysisPredictor::MkldnnPostReset() {
 #ifdef PADDLE_WITH_MKLDNN
   // In cache clearing mode.
   if (config_.mkldnn_cache_capacity_ > 0) {
+    if (VLOG_IS_ON(2)) {
+      auto shape_blob_size = static_cast<platform::MKLDNNDeviceContext *>(
+                                 (&platform::DeviceContextPool::Instance())
+                                     ->Get(platform::CPUPlace()))
+                                 ->GetShapeBlobSize();
+      CHECK_LE(shape_blob_size,
+               static_cast<size_t>(config_.mkldnn_cache_capacity_));
+    }
     paddle::platform::set_cur_mkldnn_session_id(
         platform::kMKLDNNSessionID_Default);
     platform::set_cur_input_shape_cache_capacity(0);
diff --git a/paddle/fluid/inference/tests/api/CMakeLists.txt b/paddle/fluid/inference/tests/api/CMakeLists.txt
index ab11c7d82153c14c2a869db6ff92b28ef8500d2c..048768981515c161ded5458dbe338a192ae0fbeb 100644
--- a/paddle/fluid/inference/tests/api/CMakeLists.txt
+++ b/paddle/fluid/inference/tests/api/CMakeLists.txt
@@ -195,6 +195,15 @@ if (NOT EXISTS ${OCR_INSTALL_DIR})
 endif()
 inference_analysis_api_test(test_analyzer_ocr ${OCR_INSTALL_DIR} analyzer_vis_tester.cc)
 
+# densebox
+set(DENSEBOX_INSTALL_DIR "${INFERENCE_DEMO_INSTALL_DIR}/densebox")
+download_data(${DENSEBOX_INSTALL_DIR} "densebox.tar.gz")
+inference_analysis_test(test_analyzer_detect SRCS analyzer_detect_tester.cc 
+  EXTRA_DEPS ${INFERENCE_EXTRA_DEPS}
+  ARGS --infer_model=${DENSEBOX_INSTALL_DIR}/model --infer_data=${DENSEBOX_INSTALL_DIR}/detect_input_50.txt 
+       --infer_shape=${DENSEBOX_INSTALL_DIR}/shape_50.txt)
+set_property(TEST test_analyzer_detect PROPERTY ENVIRONMENT GLOG_vmodule=analysis_predictor=2)
+
 # mobilenet with transpose op
 set(MOBILENET_INSTALL_DIR "${INFERENCE_DEMO_INSTALL_DIR}/mobilenet")
 if (NOT EXISTS ${MOBILENET_INSTALL_DIR})
diff --git a/paddle/fluid/inference/tests/api/analyzer_detect_tester.cc b/paddle/fluid/inference/tests/api/analyzer_detect_tester.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e2cc1f449991a33a44bcc5d3bb4aae8f07f8dea1
--- /dev/null
+++ b/paddle/fluid/inference/tests/api/analyzer_detect_tester.cc
@@ -0,0 +1,129 @@
+/* Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
+
+#include <gtest/gtest.h>
+#include <fstream>
+#include <iostream>
+#include "paddle/fluid/inference/tests/api/tester_helper.h"
+
+DEFINE_string(infer_shape, "", "data shape file");
+DEFINE_int32(sample, 20, "number of sample");
+
+namespace paddle {
+namespace inference {
+namespace analysis {
+
+struct Record {
+  std::vector<float> data;
+  std::vector<int32_t> shape;
+};
+
+Record ProcessALine(const std::string &line, const std::string &shape_line) {
+  VLOG(3) << "process a line";
+  std::vector<std::string> columns;
+
+  Record record;
+  std::vector<std::string> data_strs;
+  split(line, ' ', &data_strs);
+  for (auto &d : data_strs) {
+    record.data.push_back(std::stof(d));
+  }
+
+  std::vector<std::string> shape_strs;
+  split(shape_line, ' ', &shape_strs);
+  for (auto &s : shape_strs) {
+    record.shape.push_back(std::stoi(s));
+  }
+  return record;
+}
+
+void SetConfig(AnalysisConfig *cfg) {
+  cfg->SetModel(FLAGS_infer_model + "/model", FLAGS_infer_model + "/params");
+  cfg->DisableGpu();
+  cfg->SwitchIrDebug();
+  cfg->SwitchSpecifyInputNames(false);
+  cfg->SetCpuMathLibraryNumThreads(FLAGS_paddle_num_threads);
+}
+
+void SetInput(std::vector<std::vector<PaddleTensor>> *inputs,
+              const std::string &line, const std::string &shape_line) {
+  auto record = ProcessALine(line, shape_line);
+
+  PaddleTensor input;
+  input.shape = record.shape;
+  input.dtype = PaddleDType::FLOAT32;
+  size_t input_size = record.data.size() * sizeof(float);
+  input.data.Resize(input_size);
+  memcpy(input.data.data(), record.data.data(), input_size);
+  std::vector<PaddleTensor> input_slots;
+  input_slots.assign({input});
+  (*inputs).emplace_back(input_slots);
+}
+
+void profile(int cache_capacity = 1) {
+  AnalysisConfig cfg;
+  SetConfig(&cfg);
+  cfg.EnableMKLDNN();
+  cfg.SetMkldnnCacheCapacity(cache_capacity);
+
+  std::vector<std::vector<PaddleTensor>> outputs;
+  std::vector<std::vector<PaddleTensor>> input_slots_all;
+
+  Timer run_timer;
+  double elapsed_time = 0;
+
+  int num_times = FLAGS_repeat;
+  int sample = FLAGS_sample;
+  auto predictor = CreatePaddlePredictor<AnalysisConfig>(cfg);
+  outputs.resize(sample);
+
+  std::vector<std::thread> threads;
+
+  std::ifstream file(FLAGS_infer_data);
+  std::ifstream infer_file(FLAGS_infer_shape);
+  std::string line;
+  std::string shape_line;
+
+  for (int i = 0; i < sample; i++) {
+    threads.emplace_back([&, i]() {
+      std::getline(file, line);
+      std::getline(infer_file, shape_line);
+      SetInput(&input_slots_all, line, shape_line);
+
+      run_timer.tic();
+      predictor->Run(input_slots_all[0], &outputs[0], FLAGS_batch_size);
+      elapsed_time += run_timer.toc();
+    });
+    threads[0].join();
+    threads.clear();
+    std::vector<std::vector<PaddleTensor>>().swap(input_slots_all);
+  }
+  file.close();
+  infer_file.close();
+
+  auto batch_latency = elapsed_time / (sample * num_times);
+  PrintTime(FLAGS_batch_size, num_times, FLAGS_num_threads, 0, batch_latency,
+            sample, VarType::FP32);
+}
+
+#ifdef PADDLE_WITH_MKLDNN
+TEST(Analyzer_detect, profile_mkldnn) {
+  profile(5 /* cache_capacity */);
+  profile(10 /* cache_capacity */);
+}
+#endif
+
+}  // namespace analysis
+}  // namespace inference
+}  // namespace paddle