Add power trace config

Bug: 330554564
Test: Local
Change-Id: I5dc29cfec2c9d59ebe50b8d75effbbb59474b74c

2 files changed, 170 insertions, 12 deletions

diff --git a/linux-x86_64/perfetto/Android.bp b/linux-x86_64/perfetto/Android.bp
index ef42303a6..702ad65cc 100644
--- a/linux-x86_64/perfetto/Android.bp
+++ b/linux-x86_64/perfetto/Android.bp
@@ -11,20 +11,23 @@ package {
 }
 
 cc_prebuilt_binary {
-  name: "perfetto_trace_processor_shell_prebuilt",
-  srcs: ["trace_processor_shell"],
-  host_supported: true,
-  device_supported: false,
+    name: "perfetto_trace_processor_shell_prebuilt",
+    srcs: ["trace_processor_shell"],
+    host_supported: true,
+    device_supported: false,
 }
 
 filegroup {
     name: "perfetto_artifacts",
-    srcs: ["trace_processor_shell",
-           "configs/trace_config_detailed.textproto",
-           "configs/trace_config_detailed_heapdump.textproto",
-           "configs/trace_config_post_boot.textproto",
-           "configs/trace_config_boot_time.textproto",
-           "configs/trace_config_boot_time_stop.textproto",
-           "configs/long_trace_config.textproto",
-           "configs/long_trace_binder_config.textproto"],
+    srcs: [
+        "trace_processor_shell",
+        "configs/trace_config_detailed.textproto",
+        "configs/trace_config_detailed_heapdump.textproto",
+        "configs/trace_config_post_boot.textproto",
+        "configs/trace_config_power.textproto",
+        "configs/trace_config_boot_time.textproto",
+        "configs/trace_config_boot_time_stop.textproto",
+        "configs/long_trace_config.textproto",
+        "configs/long_trace_binder_config.textproto",
+    ],
 }
diff --git a/linux-x86_64/perfetto/configs/trace_config_power.textproto b/linux-x86_64/perfetto/configs/trace_config_power.textproto
new file mode 100644
index 000000000..186c53e76
--- /dev/null
+++ b/linux-x86_64/perfetto/configs/trace_config_power.textproto
@@ -0,0 +1,155 @@
+# Copyright (C) 2024 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.
+
+# proto-message: TraceConfig
+incremental_state_config {
+  clear_period_ms: 10000
+}
+
+# Enable periodic flushing of the trace buffer into the output file.
+write_into_file: true
+
+# Writes the userspace buffer into the file every 1s.
+file_write_period_ms: 1000
+
+# See b/126487238 - we need to guarantee ordering of events.
+flush_period_ms: 10000
+
+# The trace buffers needs to be big enough to hold |file_write_period_ms| of
+# trace data. The trace buffer sizing depends on the number of trace categories
+# enabled and the device activity.
+
+# RSS events
+buffers {
+  size_kb: 32768
+  fill_policy: RING_BUFFER
+}
+
+# process stats
+buffers {
+  size_kb: 4096
+  fill_policy: RING_BUFFER
+}
+
+# package list
+buffers {
+  size_kb: 512
+  fill_policy: RING_BUFFER
+}
+
+data_sources {
+  config {
+    name: "android.power"
+    target_buffer: 0
+    android_power_config {
+      battery_poll_ms: 500
+
+      battery_counters: BATTERY_COUNTER_CHARGE
+      battery_counters: BATTERY_COUNTER_CAPACITY_PERCENT
+      battery_counters: BATTERY_COUNTER_CURRENT
+      battery_counters: BATTERY_COUNTER_CURRENT_AVG
+
+      collect_power_rails: true
+    }
+  }
+}
+
+data_sources {
+  config {
+    name: "linux.ftrace"
+    target_buffer: 0
+    ftrace_config {
+      # These parameters affect only the kernel trace buffer size and how
+      # frequently it gets moved into the userspace buffer defined above.
+      buffer_size_kb: 16384
+      drain_period_ms: 250
+
+      # Store certain high-volume "sched" ftrace events in a denser format
+      # (falling back to the default format if not supported by the tracer).
+      compact_sched {
+        enabled: true
+      }
+
+      symbolize_ksyms: true
+
+      # We need to do process tracking to ensure kernel ftrace events targeted at short-lived
+      # threads are associated correctly
+      ftrace_events: "sched/sched_process_exit"
+      ftrace_events: "sched/sched_process_free"
+
+      ftrace_events: "power/suspend_resume"
+      ftrace_events: "power/cpu_frequency"
+      ftrace_events: "power/cpu_idle"
+
+      ftrace_events: "power/wakeup_source_activate"
+      ftrace_events: "power/wakeup_source_deactivate"
+
+      # Old (kernel) LMK
+      ftrace_events: "lowmemorykiller/lowmemory_kill"
+
+      # New (userspace) LMK
+      atrace_apps: "*"
+      atrace_categories: "am"
+      atrace_categories: "wm"
+      atrace_categories: "ss"
+      atrace_categories: "sched"
+      atrace_categories: "freq"
+      atrace_categories: "idle"
+      atrace_categories: "gfx"
+      atrace_categories: "view"
+      atrace_categories: "hal"
+      atrace_categories: "aidl"
+      atrace_categories: "binder_driver"
+      atrace_categories: "sync"
+      atrace_categories: "irq"
+      atrace_categories: "workq"
+      atrace_categories: "power"
+      atrace_categories: "network"
+    }
+  }
+}
+
+data_sources: {
+  config {
+    name: "android.system_property"
+    target_buffer: 0
+    android_system_property_config {
+      property_name: "debug.tracing.battery_stats.data_conn"
+      property_name: "debug.tracing.battery_stats.mobile_radio"
+      property_name: "debug.tracing.battery_stats.phone_scanning"
+      property_name: "debug.tracing.battery_stats.phone_signal_strength"
+      property_name: "debug.tracing.battery_stats.wifi"
+      property_name: "debug.tracing.battery_stats.wifi_radio"
+      property_name: "debug.tracing.battery_stats.wifi_scan"
+      property_name: "debug.tracing.battery_stats.wifi_signal_strength"
+    }
+  }
+}
+
+data_sources {
+  config {
+    name: "linux.process_stats"
+      target_buffer: 1
+      process_stats_config {
+        scan_all_processes_on_start: true
+    }
+  }
+}
+
+data_sources {
+  config {
+    name: "android.packages_list"
+    target_buffer: 2
+  }
+}