# Copyright (C) 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.
# proto-message: TraceConfig

# Trace config originally supplied in b/230177578.

# Periodically writes the central tracing buffers (defined below) to disk.
write_into_file: true
file_write_period_ms: 1000

# Ensure worst-case reordering of events in the central tracing buffers.
flush_period_ms: 30000

# The trace buffers need 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.
buffers: {
  size_kb: 20480
  fill_policy: RING_BUFFER
}

data_sources: {
  config: {
    name: "linux.ftrace"
    target_buffer: 0
    ftrace_config: {
      throttle_rss_stat: true
      compact_sched: {
        enabled: true
      }

      # core: scheduling
      ftrace_events: "sched/sched_switch"
      ftrace_events: "sched/sched_waking"

      # core: process lifetime events
      ftrace_events: "sched/sched_wakeup_new"
      ftrace_events: "sched/sched_process_exit"
      ftrace_events: "sched/sched_process_free"
      ftrace_events: "task/task_newtask"
      ftrace_events: "task/task_rename"

      # scheduling: why any given thread is blocked
      ftrace_events: "sched/sched_blocked_reason"
      # device suspend/resume events
      ftrace_events: "power/suspend_resume"

      # RSS and ION buffer events
      ftrace_events: "dmabuf_heap/dma_heap_stat"
      ftrace_events: "fastrpc/fastrpc_dma_stat"
      ftrace_events: "gpu_mem/gpu_mem_total"
      ftrace_events: "ion/ion_stat"
      ftrace_events: "kmem/ion_heap_grow"
      ftrace_events: "kmem/ion_heap_shrink"
      ftrace_events: "kmem/rss_stat"

      # optional: LMK
      atrace_apps: "lmkd"
      ftrace_events: "lowmemorykiller/lowmemory_kill"
      ftrace_events: "oom/oom_score_adj_update"
      ftrace_events: "oom/mark_victim"

      # userspace events from system_server
      atrace_categories: "ss"
      atrace_apps: "system_server"
      # userspace events from activity and window managers
      atrace_categories: "am"
      atrace_categories: "wm"
      # userspace events from java and c runtimes
      atrace_categories: "dalvik"
      atrace_categories: "bionic"
      # userspace events from systemui
      atrace_apps: "com.android.systemui"

      # groups that expand into power events (mix of userspace and ftrace)
      atrace_categories: "freq"
      # "thermal" removed for APIs <= 30, temporarily.
      atrace_categories: "power"

      # binder & HALs
      atrace_categories: "aidl"
      atrace_categories: "hal"
      atrace_categories: "binder_driver"

      # Other userspace event groups, see
      # frameworks/native/cmds/atrace/atrace.cpp in the Android tree for
      # available categories. The encoding of userspace events is very verbose
      # so keep the list focused or you will need to readjust the buffer sizes
      # to avoid data loss.
      atrace_categories: "disk"
      atrace_categories: "gfx"
      atrace_categories: "res"
      atrace_categories: "view"
      atrace_categories: "idle"
      atrace_categories: "webview"

      # Default to enabling userspace events from all apps.
      atrace_apps: "*"

      # Following line will be used to inject additional configs. Do not remove or modify.
      # {injected_config}
    }
  }
}

data_sources {
  config {
    name: "linux.process_stats"
    target_buffer: 0
    # polled per-process memory counters and process/thread names.
    # If you don't want the polled counters, remove the "process_stats_config"
    # section, but keep the data source itself as it still provides on-demand
    # thread/process naming for ftrace data below.
    process_stats_config {
      proc_stats_poll_ms: 500
      scan_all_processes_on_start: true
    }
  }
}

data_sources: {
  config {
    # rendering: expected vs actual frame timeline tracks
    name: "android.surfaceflinger.frametimeline"
    target_buffer: 0
  }
}