tests/AppMemoryTest/perfetto.textproto

# Copyright (C) 2025 Google LLC.
#
# 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

# 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.

buffers {
  size_kb: 65536
  fill_policy: RING_BUFFER
}

# procfs polling
buffers {
  size_kb: 8192
  fill_policy: RING_BUFFER
}

buffers {
  size_kb: 10240
  fill_policy: RING_BUFFER
}

# Frame timeline and CPU samples on binder transactions
buffers {
  size_kb: 40960
  fill_policy: RING_BUFFER
}

# Buffer for native heap profiling data
buffers {
  size_kb: 65536
  fill_policy: RING_BUFFER
}

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: 65536
      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: "task/task_newtask"
      ftrace_events: "task/task_rename"

      # sched events for performacne debugging
      ftrace_events: "sched/sched_blocked_reason"
      ftrace_events: "sched/sched_find_energy_efficient_cpu"
      ftrace_events: "sched/sched_wakeup_task_attr"
      ftrace_events: "perf_trace_counters/sched_switch_with_ctrs"
      ftrace_events: "power/gpu_work_period"

      # Added for power wattson
      ftrace_events: "devfreq/devfreq_frequency"

      # Added for storage issues debugging
      ftrace_events: "ufs/ufshcd_command"

      # New (userspace) LMK
      atrace_apps: "lmkd"

      atrace_categories: "aidl"
      atrace_categories: "am"
      atrace_categories: "binder_driver"
      atrace_categories: "binder_lock"
      atrace_categories: "camera"
      atrace_categories: "cpm"
      atrace_categories: "dalvik"
      atrace_categories: "freq"
      atrace_categories: "gfx"
      atrace_categories: "hal"
      atrace_categories: "idle"
      atrace_categories: "input"
      atrace_categories: "power"
      atrace_categories: "sched"
      atrace_categories: "ss"
      atrace_categories: "sync"
      atrace_categories: "view"
      atrace_categories: "webview"
      atrace_categories: "wm"
      atrace_categories: "workq"
    }
  }
}

data_sources {
  config {
    name: "linux.process_stats"
    target_buffer: 1
    process_stats_config {
      proc_stats_poll_ms: 10000
    }
  }
}

data_sources {
  config {
    name: "android.packages_list"
    target_buffer: 1
  }
}

data_sources {
  config {
    name: "linux.system_info"
    target_buffer: 1
  }
}

data_sources {
  config {
    name: "android.surfaceflinger.frametimeline"
    target_buffer: 2
  }
}

# Take CPU sample on every binder transaction
data_sources: {
  config {
    name: "linux.perf"
    target_buffer: 3
    perf_event_config {
      ring_buffer_pages: 8192
      target_cmdline: "android.app.memory.testhelper"
      timebase {
        tracepoint {
          name: "binder:binder_transaction"
        }
        period: 1
      }
      callstack_sampling {
        kernel_frames: false
      }
      max_daemon_memory_kb: 524288
    }
  }
}

# Native heap allocations
data_sources {
  config {
    name: "android.heapprofd"
    target_buffer: 4
    heapprofd_config {
      process_cmdline: "android.app.memory.testhelper"
      sampling_interval_bytes: 16384
      shmem_size_bytes: 67108864
      all_heaps: false
    }
  }
}