Merge "create memory dump"

soc/Android.bp

@@ -2,6 +2,13 @@ package {
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
 
+sh_binary {
+    name: "dump_memory.sh",
+    src: "dump_memory.sh",
+    vendor: true,
+    sub_dir: "dump",
+}
+
 cc_binary {
     name: "dump_soc",
     srcs: ["dump_soc.cpp"],

soc/dump_memory.sh

@@ -0,0 +1,22 @@
+#!/vendor/bin/sh
+echo "------ ION HEAPS ------"
+for d in $(ls -d /d/ion/*)
+do
+  if [ -f $d ]; then
+    echo --- $d
+    cat $d
+  else
+    for f in $(ls $d)
+    do
+      echo --- $d/$f
+      cat $d/$f
+    done
+  fi
+done
+
+echo "------ dmabuf info ------"
+cat "/d/dma_buf/bufinfo"
+
+echo "------ Page Pinner - longterm pin ------"
+cat "/sys/kernel/debug/page_pinner/buffer"
+

soc/sepolicy/dump_memory.te

@@ -0,0 +1,8 @@
+pixel_bugreport(dump_memory)
+allow dump_memory vendor_toolbox_exec:file execute_no_trans;
+userdebug_or_eng(`
+  allow dump_memory vendor_dmabuf_debugfs:file r_file_perms;
+  allow dump_memory vendor_page_pinner_debugfs:dir r_dir_perms;
+  allow dump_memory vendor_page_pinner_debugfs:file r_file_perms;
+')
+

soc/sepolicy/dumpstate.te

@@ -0,0 +1,2 @@
+dontaudit dumpstate vendor_dmabuf_debugfs:file r_file_perms;
+

soc/sepolicy/file.te

@@ -0,0 +1,3 @@
+type vendor_dmabuf_debugfs, fs_type, debugfs_type;
+type vendor_page_pinner_debugfs, fs_type, debugfs_type;
+

soc/sepolicy/file_contexts

@@ -1 +1,3 @@
-/vendor/bin/dump/dump_soc      u:object_r:dump_soc_exec:s0
+/vendor/bin/dump/dump_soc           u:object_r:dump_soc_exec:s0
+/vendor/bin/dump/dump_memory\.sh    u:object_r:dump_memory_exec:s0
+

soc/sepolicy/genfs_contexts

@@ -5,3 +5,6 @@ genfscon sysfs /devices/system/chip-id/product_id      u:object_r:sysfs_chip_id:
 genfscon sysfs /devices/system/chip-id/revision        u:object_r:sysfs_chip_id:s0
 genfscon sysfs /devices/system/chip-id/raw_str         u:object_r:sysfs_chip_id:s0
 
+genfscon debugfs /dma_buf/bufinfo                      u:object_r:vendor_dmabuf_debugfs:s0
+genfscon debugfs /page_pinner                          u:object_r:vendor_page_pinner_debugfs:s0
+

soc/soc.mk

@@ -1,3 +1,5 @@
 BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/soc/sepolicy
 
 PRODUCT_PACKAGES += dump_soc
+PRODUCT_PACKAGES_DEBUG += dump_memory.sh
+