From 2b0742ec9da3d64dd90d6ccdc5e4902d0a7a32ec Mon Sep 17 00:00:00 2001
From: Ziyi Cui <ziyic@google.com>
Date: Fri, 25 Nov 2022 05:22:15 +0000
Subject: [PATCH] gs-common:dumpstate: Dump long irq metrics, resume latency
 metrics at bugreport

Create pixel_metrics to support bugreport for metrics

Bug: 227809911
Bug: 232541623
Test: Test: "adb bugreport" includes metrics capture.
Change-Id: If62a53b5ffa643c37c287f8ba0319de1d6b07529
Signed-off-by: Ziyi Cui <ziyic@google.com>
---
 pixel_metrics/Android.bp                     | 10 ++++++++++
 pixel_metrics/dump_pixel_metrics.sh          |  6 ++++++
 pixel_metrics/pixel_metrics.mk               |  3 +++
 pixel_metrics/sepolicy/device.te             |  2 ++
 pixel_metrics/sepolicy/dump_pixel_metrics.te |  5 +++++
 pixel_metrics/sepolicy/file_contexts         |  1 +
 pixel_metrics/sepolicy/genfs_contexts        |  3 +++
 7 files changed, 30 insertions(+)
 create mode 100644 pixel_metrics/Android.bp
 create mode 100644 pixel_metrics/dump_pixel_metrics.sh
 create mode 100644 pixel_metrics/pixel_metrics.mk
 create mode 100644 pixel_metrics/sepolicy/device.te
 create mode 100644 pixel_metrics/sepolicy/dump_pixel_metrics.te
 create mode 100644 pixel_metrics/sepolicy/file_contexts
 create mode 100644 pixel_metrics/sepolicy/genfs_contexts

diff --git a/pixel_metrics/Android.bp b/pixel_metrics/Android.bp
new file mode 100644
index 0000000..3ad3ff4
--- /dev/null
+++ b/pixel_metrics/Android.bp
@@ -0,0 +1,10 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+sh_binary {
+    name: "dump_pixel_metrics.sh",
+    src: "dump_pixel_metrics.sh",
+    vendor: true,
+    sub_dir: "dump",
+}
diff --git a/pixel_metrics/dump_pixel_metrics.sh b/pixel_metrics/dump_pixel_metrics.sh
new file mode 100644
index 0000000..229f618
--- /dev/null
+++ b/pixel_metrics/dump_pixel_metrics.sh
@@ -0,0 +1,6 @@
+#!/vendor/bin/sh
+echo "Long running IRQ metrics"
+cat /sys/kernel/metrics/irq/long_irq_metrics
+echo "Resume latency metrics"
+cat /sys/kernel/metrics/resume_latency/resume_latency_metrics
+
diff --git a/pixel_metrics/pixel_metrics.mk b/pixel_metrics/pixel_metrics.mk
new file mode 100644
index 0000000..41e027d
--- /dev/null
+++ b/pixel_metrics/pixel_metrics.mk
@@ -0,0 +1,3 @@
+BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/pixel_metrics/sepolicy
+
+PRODUCT_PACKAGES += dump_pixel_metrics.sh
diff --git a/pixel_metrics/sepolicy/device.te b/pixel_metrics/sepolicy/device.te
new file mode 100644
index 0000000..63640e3
--- /dev/null
+++ b/pixel_metrics/sepolicy/device.te
@@ -0,0 +1,2 @@
+#vendor-metrics
+type sysfs_vendor_metrics, fs_type, sysfs_type;
diff --git a/pixel_metrics/sepolicy/dump_pixel_metrics.te b/pixel_metrics/sepolicy/dump_pixel_metrics.te
new file mode 100644
index 0000000..681670e
--- /dev/null
+++ b/pixel_metrics/sepolicy/dump_pixel_metrics.te
@@ -0,0 +1,5 @@
+pixel_bugreport(dump_pixel_metrics)
+
+#vendor-metrics
+r_dir_file(dump_pixel_metrics, sysfs_vendor_metrics)
+allow dump_pixel_metrics vendor_toolbox_exec:file execute_no_trans;
diff --git a/pixel_metrics/sepolicy/file_contexts b/pixel_metrics/sepolicy/file_contexts
new file mode 100644
index 0000000..1b5b11f
--- /dev/null
+++ b/pixel_metrics/sepolicy/file_contexts
@@ -0,0 +1 @@
+/vendor/bin/dump/dump_pixel_metrics\.sh      u:object_r:dump_pixel_metrics_exec:s0
diff --git a/pixel_metrics/sepolicy/genfs_contexts b/pixel_metrics/sepolicy/genfs_contexts
new file mode 100644
index 0000000..36882aa
--- /dev/null
+++ b/pixel_metrics/sepolicy/genfs_contexts
@@ -0,0 +1,3 @@
+#vendor-metrics
+genfscon sysfs /kernel/metrics/resume_latency/resume_latency_metrics      u:object_r:sysfs_vendor_metrics:s0
+genfscon sysfs /kernel/metrics/irq/long_irq_metrics                       u:object_r:sysfs_vendor_metrics:s0