diff --git a/hal/Android.mk b/hal/Android.mk
index 0ed8b44..f0a1626 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -66,6 +66,10 @@
     LOCAL_CFLAGS += -DAFE_PROXY_ENABLED
 endif
 
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_KPI_OPTIMIZE)),true)
+    LOCAL_CFLAGS += -DKPI_OPTIMIZE_ENABLED
+endif
+
 ifeq ($(strip $(AUDIO_FEATURE_ENABLED_FM)),true)
     LOCAL_CFLAGS += -DFM_ENABLED
     LOCAL_SRC_FILES += audio_extn/fm.c
diff --git a/hal/audio_extn/audio_extn.c b/hal/audio_extn/audio_extn.c
index e6964fc..170acf6 100644
--- a/hal/audio_extn/audio_extn.c
+++ b/hal/audio_extn/audio_extn.c
@@ -41,6 +41,7 @@
 
 #include <stdlib.h>
 #include <errno.h>
+#include <dlfcn.h>
 #include <cutils/properties.h>
 #include <cutils/log.h>
 
@@ -558,3 +559,68 @@
     return 0;
 }
 #endif /* AUXPCM_BT_ENABLED */
+
+#ifdef KPI_OPTIMIZE_ENABLED
+typedef int (*perf_lock_acquire_t)(int, int, int*, int);
+typedef int (*perf_lock_release_t)(int);
+
+static void *qcopt_handle;
+static perf_lock_acquire_t perf_lock_acq;
+static perf_lock_release_t perf_lock_rel;
+
+static int perf_lock_handle;
+char opt_lib_path[512] = {0};
+int perf_lock_opts[1] = {0x20E};
+
+int audio_extn_perf_lock_init(void)
+{
+    int ret = 0;
+    if (qcopt_handle == NULL) {
+        if (property_get("ro.vendor.extension_library",
+                         opt_lib_path, NULL) <= 0) {
+            ALOGE("%s: Failed getting perf property \n", __func__);
+            ret = -EINVAL;
+            goto err;
+        }
+        if ((qcopt_handle = dlopen(opt_lib_path, RTLD_NOW)) == NULL) {
+            ALOGE("%s: Failed to open perf handle \n", __func__);
+            ret = -EINVAL;
+            goto err;
+        } else {
+            perf_lock_acq = (perf_lock_acquire_t)dlsym(qcopt_handle,
+                                                       "perf_lock_acq");
+            if (perf_lock_acq == NULL) {
+                ALOGE("%s: Perf lock Acquire NULL \n", __func__);
+                ret = -EINVAL;
+                goto err;
+            }
+            perf_lock_rel = (perf_lock_release_t)dlsym(qcopt_handle,
+                                                       "perf_lock_rel");
+            if (perf_lock_rel == NULL) {
+                ALOGE("%s: Perf lock Release NULL \n", __func__);
+                ret = -EINVAL;
+                goto err;
+            }
+            ALOGE("%s: Perf lock handles Success \n", __func__);
+        }
+    }
+err:
+    return ret;
+}
+
+void audio_extn_perf_lock_acquire(void)
+{
+    if (perf_lock_acq)
+        perf_lock_handle = perf_lock_acq(perf_lock_handle, 0, perf_lock_opts, 1);
+    else
+        ALOGE("%s: Perf lock acquire error \n", __func__);
+}
+
+void audio_extn_perf_lock_release(void)
+{
+    if (perf_lock_rel && perf_lock_handle)
+        perf_lock_rel(perf_lock_handle);
+    else
+        ALOGE("%s: Perf lock release error \n", __func__);
+}
+#endif /* KPI_OPTIMIZE_ENABLED */
diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index 556ebcf..5aa9f2e 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.h
@@ -437,4 +437,14 @@
 
 int b64decode(char *inp, int ilen, uint8_t* outp);
 int b64encode(uint8_t *inp, int ilen, char* outp);
+
+#ifndef KPI_OPTIMIZE_ENABLED
+#define audio_extn_perf_lock_init() (0)
+#define audio_extn_perf_lock_acquire() (0)
+#define audio_extn_perf_lock_release() (0)
+#else
+int audio_extn_perf_lock_init(void);
+void audio_extn_perf_lock_acquire(void);
+void audio_extn_perf_lock_release(void);
+#endif /* KPI_OPTIMIZE_ENABLED */
 #endif /* AUDIO_EXTN_H */
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 28ab0d6..fc4403f 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -1024,6 +1024,7 @@
     uc_info->out_snd_device = SND_DEVICE_NONE;
 
     list_add_tail(&adev->usecase_list, &uc_info->list);
+    audio_extn_perf_lock_acquire();
     select_devices(adev, in->usecase);
 
     ALOGV("%s: Opening PCM device card_id(%d) device_id(%d), channels %d",
@@ -1055,12 +1056,14 @@
         }
         break;
     }
+    audio_extn_perf_lock_release();
 
     ALOGV("%s: exit", __func__);
     return ret;
 
 error_open:
     stop_input_stream(in);
+    audio_extn_perf_lock_release();
 
 error_config:
     adev->active_input = NULL;
@@ -3411,6 +3414,7 @@
     /* This stream could be for sound trigger lab,
        get sound trigger pcm if present */
     audio_extn_sound_trigger_check_and_get_session(in);
+    audio_extn_perf_lock_init();
 
     *stream_in = &in->stream;
     ALOGV("%s: exit", __func__);