add perf dump

Bug: 240530709
Test: adb bugreport
Change-Id: Ie6b4ceb9dcc9daa199927fde56d720816145f344

performance/Android.bp

@@ -0,0 +1,18 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_binary {
+    name: "dump_perf",
+    srcs: ["dump_perf.cpp"],
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+    shared_libs: [
+	"libdump",
+    ],
+    vendor: true,
+    relative_install_path: "dump",
+}

performance/dump_perf.cpp

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * 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 <dump/pixel_dump.h>
+
+int main() {
+    dumpFileContent("VENDOR PROC DUMP", "/proc/vendor_sched/dump_task");
+    return 0;
+}

performance/perf.mk

@@ -0,0 +1,3 @@
+BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/performance/sepolicy
+
+PRODUCT_PACKAGES += dump_perf

performance/sepolicy/dump_perf.te

@@ -0,0 +1,3 @@
+pixel_bugreport(dump_perf)
+
+allow dump_perf proc_vendor_sched:file r_file_perms;

performance/sepolicy/file_contexts

@@ -0,0 +1,2 @@
+/vendor/bin/dump/dump_perf      u:object_r:dump_perf_exec:s0
+