fuchsia/input/metrics.yaml

# Copyright 2021 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

################################################################################
# Cobalt Project: input
################################################################################

metric_definitions:

################################################################################
# Next Metric ID: 3
################################################################################

################################################################################
# touch_driver_max_latency
#
# The maximum latency from touch interrupt to fuchsia.input.report event
# delivered. Touch drivers maintain a running maximum value that is sampled by
# Lapis every hour.
################################################################################
- id: 1
  metric_name: touch_driver_max_latency
  metric_units: MICROSECONDS
  metric_type: INTEGER
  metric_semantics: [LATENCY]
  reports:
    - report_name: histogram
      id: 1
      report_type: HOURLY_VALUE_HISTOGRAMS
      system_profile_selection: SELECT_LAST
      privacy_level: NO_ADDED_PRIVACY
      local_aggregation_procedure: MAX_PROCEDURE
      int_buckets: &touch_driver_latency_buckets
        exponential:
          floor: 5000
          num_buckets: 7
          initial_step: 5000
          step_multiplier: 3
      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
    - report_name: histogram_daily
      id: 2
      report_type: UNIQUE_DEVICE_HISTOGRAMS
      system_profile_selection: SELECT_LAST
      local_aggregation_period: WINDOW_1_DAY
      local_aggregation_procedure: MAX_PROCEDURE
      privacy_level: NO_ADDED_PRIVACY
      int_buckets: *touch_driver_latency_buckets
      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
  meta_data:
    max_release_stage: GA
    expiration_date: "2022/07/28"

################################################################################
# touch_driver_average_latency
#
# The average latency from touch interrupt to fuchsia.input.report event
# delivered. Touch drivers maintain a running average value that is sampled by
# Lapis every hour.
################################################################################
- id: 2
  metric_name: touch_driver_average_latency
  metric_units: MICROSECONDS
  metric_type: INTEGER
  metric_semantics: [LATENCY]
  reports:
    - report_name: histogram
      id: 1
      report_type: HOURLY_VALUE_HISTOGRAMS
      system_profile_selection: SELECT_LAST
      privacy_level: NO_ADDED_PRIVACY
      local_aggregation_procedure: MEDIAN
      int_buckets: *touch_driver_latency_buckets
      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
    - report_name: histogram_daily
      id: 2
      report_type: UNIQUE_DEVICE_HISTOGRAMS
      system_profile_selection: SELECT_LAST
      local_aggregation_period: WINDOW_1_DAY
      local_aggregation_procedure: MEDIAN
      privacy_level: NO_ADDED_PRIVACY
      int_buckets: *touch_driver_latency_buckets
      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
  meta_data:
    max_release_stage: GA
    expiration_date: "2022/07/28"