diff --git a/init/README.ueventd.md b/init/README.ueventd.md
index 76f5193..2401da3 100644
--- a/init/README.ueventd.md
+++ b/init/README.ueventd.md
@@ -163,3 +163,13 @@
 from enabling the parallelization option:
 
     parallel_restorecon enabled
+
+Do parallel restorecon to speed up boot process, subdirectories under `/sys`
+can be sliced by ueventd.rc, and run on multiple process.
+    parallel_restorecon_dir <directory>
+
+For example
+    parallel_restorecon_dir /sys
+    parallel_restorecon_dir /sys/devices
+    parallel_restorecon_dir /sys/devices/platform
+    parallel_restorecon_dir /sys/devices/platform/soc
diff --git a/init/ueventd.cpp b/init/ueventd.cpp
index 331255b..b2fa165 100644
--- a/init/ueventd.cpp
+++ b/init/ueventd.cpp
@@ -115,11 +115,13 @@
   public:
     ColdBoot(UeventListener& uevent_listener,
              std::vector<std::unique_ptr<UeventHandler>>& uevent_handlers,
-             bool enable_parallel_restorecon)
+             bool enable_parallel_restorecon,
+             std::vector<std::string> parallel_restorecon_queue)
         : uevent_listener_(uevent_listener),
           uevent_handlers_(uevent_handlers),
           num_handler_subprocesses_(std::thread::hardware_concurrency() ?: 4),
-          enable_parallel_restorecon_(enable_parallel_restorecon) {}
+          enable_parallel_restorecon_(enable_parallel_restorecon),
+          parallel_restorecon_queue_(parallel_restorecon_queue) {}
 
     void Run();
 
@@ -142,6 +144,8 @@
     std::set<pid_t> subprocess_pids_;
 
     std::vector<std::string> restorecon_queue_;
+
+    std::vector<std::string> parallel_restorecon_queue_;
 };
 
 void ColdBoot::UeventHandlerMain(unsigned int process_num, unsigned int total_processes) {
@@ -155,17 +159,34 @@
 }
 
 void ColdBoot::RestoreConHandler(unsigned int process_num, unsigned int total_processes) {
+    android::base::Timer t_process;
+
     for (unsigned int i = process_num; i < restorecon_queue_.size(); i += total_processes) {
+        android::base::Timer t;
         auto& dir = restorecon_queue_[i];
 
         selinux_android_restorecon(dir.c_str(), SELINUX_ANDROID_RESTORECON_RECURSE);
+
+        //Mark a dir restorecon operation for 50ms,
+        //Maybe you can add this dir to the ueventd.rc script to parallel processing
+        if (t.duration() > 50ms) {
+            LOG(INFO) << "took " << t.duration().count() <<"ms restorecon '"
+                        << dir.c_str() << "' on process '" << process_num  <<"'";
+        }
     }
+
+    //Calculate process restorecon time
+    LOG(VERBOSE) << "took " << t_process.duration().count() << "ms on process '"
+                << process_num  << "'";
 }
 
 void ColdBoot::GenerateRestoreCon(const std::string& directory) {
     std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(directory.c_str()), &closedir);
 
-    if (!dir) return;
+    if (!dir) {
+        PLOG(WARNING) << "opendir " << directory.c_str();
+        return;
+    }
 
     struct dirent* dent;
     while ((dent = readdir(dir.get())) != NULL) {
@@ -176,7 +197,10 @@
 
         if (S_ISDIR(st.st_mode)) {
             std::string fullpath = directory + "/" + dent->d_name;
-            if (fullpath != "/sys/devices") {
+            auto parallel_restorecon =
+                std::find(parallel_restorecon_queue_.begin(),
+                    parallel_restorecon_queue_.end(), fullpath);
+            if (parallel_restorecon == parallel_restorecon_queue_.end()) {
                 restorecon_queue_.emplace_back(fullpath);
             }
         }
@@ -248,11 +272,16 @@
     RegenerateUevents();
 
     if (enable_parallel_restorecon_) {
-        selinux_android_restorecon("/sys", 0);
-        selinux_android_restorecon("/sys/devices", 0);
-        GenerateRestoreCon("/sys");
-        // takes long time for /sys/devices, parallelize it
-        GenerateRestoreCon("/sys/devices");
+        if (parallel_restorecon_queue_.empty()) {
+            parallel_restorecon_queue_.emplace_back("/sys");
+            // takes long time for /sys/devices, parallelize it
+            parallel_restorecon_queue_.emplace_back("/sys/devices");
+            LOG(INFO) << "Parallel processing directory is not set, set the default";
+        }
+        for (const auto& dir : parallel_restorecon_queue_) {
+            selinux_android_restorecon(dir.c_str(), 0);
+            GenerateRestoreCon(dir);
+        }
     }
 
     ForkSubProcesses();
@@ -313,7 +342,8 @@
 
     if (!android::base::GetBoolProperty(kColdBootDoneProp, false)) {
         ColdBoot cold_boot(uevent_listener, uevent_handlers,
-                           ueventd_configuration.enable_parallel_restorecon);
+                           ueventd_configuration.enable_parallel_restorecon,
+                           ueventd_configuration.parallel_restorecon_dirs);
         cold_boot.Run();
     }
 
diff --git a/init/ueventd_parser.cpp b/init/ueventd_parser.cpp
index 9a14406..d34672e 100644
--- a/init/ueventd_parser.cpp
+++ b/init/ueventd_parser.cpp
@@ -151,6 +151,17 @@
     return {};
 }
 
+Result<void> ParseParallelRestoreconDirsLine(std::vector<std::string>&& args,
+                                          std::vector<std::string>* parallel_restorecon_dirs) {
+    if (args.size() != 2) {
+        return Error() << "parallel_restorecon_dir lines must have exactly 2 parameters";
+    }
+
+    std::move(std::next(args.begin()), args.end(), std::back_inserter(*parallel_restorecon_dirs));
+
+    return {};
+}
+
 Result<void> ParseUeventSocketRcvbufSizeLine(std::vector<std::string>&& args,
                                              size_t* uevent_socket_rcvbuf_size) {
     if (args.size() != 2) {
@@ -268,6 +279,9 @@
     parser.AddSingleLineParser("uevent_socket_rcvbuf_size",
                                std::bind(ParseUeventSocketRcvbufSizeLine, _1,
                                          &ueventd_configuration.uevent_socket_rcvbuf_size));
+    parser.AddSingleLineParser("parallel_restorecon_dir",
+                               std::bind(ParseParallelRestoreconDirsLine, _1,
+                                         &ueventd_configuration.parallel_restorecon_dirs));
     parser.AddSingleLineParser("parallel_restorecon",
                                std::bind(ParseEnabledDisabledLine, _1,
                                          &ueventd_configuration.enable_parallel_restorecon));
diff --git a/init/ueventd_parser.h b/init/ueventd_parser.h
index eaafa5a..81f4e9d 100644
--- a/init/ueventd_parser.h
+++ b/init/ueventd_parser.h
@@ -31,6 +31,7 @@
     std::vector<Permissions> dev_permissions;
     std::vector<std::string> firmware_directories;
     std::vector<ExternalFirmwareHandler> external_firmware_handlers;
+    std::vector<std::string> parallel_restorecon_dirs;
     bool enable_modalias_handling = false;
     size_t uevent_socket_rcvbuf_size = 0;
     bool enable_parallel_restorecon = false;
diff --git a/init/ueventd_parser_test.cpp b/init/ueventd_parser_test.cpp
index d77cb03..41924e2 100644
--- a/init/ueventd_parser_test.cpp
+++ b/init/ueventd_parser_test.cpp
@@ -77,6 +77,7 @@
     EXPECT_EQ(expected.firmware_directories, result.firmware_directories);
     TestVector(expected.external_firmware_handlers, result.external_firmware_handlers,
                TestExternalFirmwareHandler);
+    EXPECT_EQ(expected.parallel_restorecon_dirs, result.parallel_restorecon_dirs);
 }
 
 TEST(ueventd_parser, EmptyFile) {
@@ -105,7 +106,7 @@
             {"test_devname2", Subsystem::DEVNAME_UEVENT_DEVNAME, "/dev"},
             {"test_devpath_dirname", Subsystem::DEVNAME_UEVENT_DEVPATH, "/dev/graphics"}};
 
-    TestUeventdFile(ueventd_file, {subsystems, {}, {}, {}, {}});
+    TestUeventdFile(ueventd_file, {subsystems, {}, {}, {}, {}, {}});
 }
 
 TEST(ueventd_parser, Permissions) {
@@ -131,7 +132,7 @@
             {"/sys/devices/virtual/*/input", "poll_delay", 0660, AID_ROOT, AID_INPUT, true},
     };
 
-    TestUeventdFile(ueventd_file, {{}, sysfs_permissions, permissions, {}, {}});
+    TestUeventdFile(ueventd_file, {{}, sysfs_permissions, permissions, {}, {}, {}});
 }
 
 TEST(ueventd_parser, FirmwareDirectories) {
@@ -147,7 +148,7 @@
             "/more",
     };
 
-    TestUeventdFile(ueventd_file, {{}, {}, {}, firmware_directories, {}});
+    TestUeventdFile(ueventd_file, {{}, {}, {}, firmware_directories, {}, {}});
 }
 
 TEST(ueventd_parser, ExternalFirmwareHandlers) {
@@ -213,7 +214,7 @@
             },
     };
 
-    TestUeventdFile(ueventd_file, {{}, {}, {}, {}, external_firmware_handlers});
+    TestUeventdFile(ueventd_file, {{}, {}, {}, {}, external_firmware_handlers, {}});
 }
 
 TEST(ueventd_parser, ExternalFirmwareHandlersDuplicate) {
@@ -231,7 +232,21 @@
             },
     };
 
-    TestUeventdFile(ueventd_file, {{}, {}, {}, {}, external_firmware_handlers});
+    TestUeventdFile(ueventd_file, {{}, {}, {}, {}, external_firmware_handlers, {}});
+}
+
+TEST(ueventd_parser, ParallelRestoreconDirs) {
+    auto ueventd_file = R"(
+parallel_restorecon_dir /sys
+parallel_restorecon_dir /sys/devices
+)";
+
+    auto parallel_restorecon_dirs = std::vector<std::string>{
+            "/sys",
+            "/sys/devices",
+    };
+
+    TestUeventdFile(ueventd_file, {{}, {}, {}, {}, {}, parallel_restorecon_dirs});
 }
 
 TEST(ueventd_parser, UeventSocketRcvbufSize) {
@@ -240,7 +255,7 @@
 uevent_socket_rcvbuf_size 8M
 )";
 
-    TestUeventdFile(ueventd_file, {{}, {}, {}, {}, {}, false, 8 * 1024 * 1024});
+    TestUeventdFile(ueventd_file, {{}, {}, {}, {}, {}, {}, false, 8 * 1024 * 1024});
 }
 
 TEST(ueventd_parser, EnabledDisabledLines) {
@@ -250,7 +265,7 @@
 modalias_handling disabled
 )";
 
-    TestUeventdFile(ueventd_file, {{}, {}, {}, {}, {}, false, 0, true});
+    TestUeventdFile(ueventd_file, {{}, {}, {}, {}, {}, {}, false, 0, true});
 
     auto ueventd_file2 = R"(
 parallel_restorecon enabled
@@ -258,7 +273,7 @@
 parallel_restorecon disabled
 )";
 
-    TestUeventdFile(ueventd_file2, {{}, {}, {}, {}, {}, true, 0, false});
+    TestUeventdFile(ueventd_file2, {{}, {}, {}, {}, {}, {}, true, 0, false});
 }
 
 TEST(ueventd_parser, AllTogether) {
@@ -298,6 +313,9 @@
 modalias_handling enabled
 parallel_restorecon enabled
 
+parallel_restorecon_dir /sys
+parallel_restorecon_dir /sys/devices
+
 #ending comment
 )";
 
@@ -330,11 +348,17 @@
             {"/devices/path/firmware/firmware001.bin", AID_ROOT, AID_ROOT, "/vendor/bin/touch.sh"},
     };
 
+    auto parallel_restorecon_dirs = std::vector<std::string>{
+            "/sys",
+            "/sys/devices",
+    };
+
     size_t uevent_socket_rcvbuf_size = 6 * 1024 * 1024;
 
     TestUeventdFile(ueventd_file,
                     {subsystems, sysfs_permissions, permissions, firmware_directories,
-                     external_firmware_handlers, true, uevent_socket_rcvbuf_size, true});
+                     external_firmware_handlers, parallel_restorecon_dirs, true,
+                     uevent_socket_rcvbuf_size, true});
 }
 
 // All of these lines are ill-formed, so test that there is 0 output.
@@ -366,6 +390,9 @@
 external_firmware_handler blah blah
 external_firmware_handler blah blah blah blah
 
+parallel_restorecon_dir
+parallel_restorecon_dir /sys /sys/devices
+
 )";
 
     TestUeventdFile(ueventd_file, {});