| # Copyright 2019 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: local_storage |
| ################################################################################ |
| |
| metric_definitions: |
| |
| ################################################################################ |
| # Link Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a vnode spent to link a file, in nanoseconds. |
| ################################################################################ |
| - id: 1 |
| metric_name: link_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: link_latency_histogram |
| id: 2203712145 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| |
| ################################################################################ |
| # Close Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a vnode spent to close an open file, in nanoseconds. |
| ################################################################################ |
| - id: 2 |
| metric_name: close_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: close_latency_histogram |
| id: 3976766327 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| ################################################################################ |
| # Read Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a vnode spent to read file contents, in nanoseconds. |
| ################################################################################ |
| - id: 3 |
| metric_name: read_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: read_latency_histogram |
| id: 4000776865 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| |
| ################################################################################ |
| # Write Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a vnode spent to write a file, in nanoseconds. |
| ################################################################################ |
| - id: 4 |
| metric_name: write_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: write_latency_histogram |
| id: 2787504078 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| |
| ################################################################################ |
| # Append Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a vnode spent appending to a file, in nanoseconds. |
| ################################################################################ |
| - id: 5 |
| metric_name: append_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: append_latency_histogram |
| id: 4159068221 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| |
| ################################################################################ |
| # Truncate Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a vnode spent truncating a file's size, in nanoseconds. |
| ################################################################################ |
| - id: 6 |
| metric_name: truncate_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: truncate_latency_histogram |
| id: 4157122023 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| |
| ################################################################################ |
| # SetAttr Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a vnode spent to update its attributes, in nanoseconds. |
| ################################################################################ |
| - id: 7 |
| metric_name: set_attr_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: set_attr_latency_histogram |
| id: 2824692351 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| |
| ################################################################################ |
| # GetAttr Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a vnode spent to return its attributes, in nanoseconds. |
| ################################################################################ |
| - id: 8 |
| metric_name: get_attr_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 1 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: get_attr_latency_histogram |
| id: 296311099 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| |
| ################################################################################ |
| # Sync Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a vnode spent syncing its state to disk, in nanoseconds. |
| ################################################################################ |
| - id: 9 |
| metric_name: sync_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: sync_latency_histogram |
| id: 3117694120 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| |
| ################################################################################ |
| # ReadDir Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a vnode spent reading directory entries, in nanoseconds. |
| ################################################################################ |
| - id: 10 |
| metric_name: read_dir_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: read_dir_latency_histogram |
| id: 1707841577 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| |
| ################################################################################ |
| # LookUp Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a vnode spent looking up a child, in nanoseconds. |
| ################################################################################ |
| - id: 11 |
| metric_name: lookup_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: lookup_latency_histogram |
| id: 3629837219 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| ################################################################################ |
| # Create Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the the time spent creating a new vnode, in nanoseconds. |
| ################################################################################ |
| - id: 12 |
| metric_name: create_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: create_latency_histogram |
| id: 3690266605 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| |
| ################################################################################ |
| # UnLink Latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the the time a vnode spent unlinking, in nanoseconds. |
| ################################################################################ |
| - id: 13 |
| metric_name: unlink_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: unlink_latency_histogram |
| id: 3128110576 # legacy long report_id |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| ################################################################################ |
| # Corruption Event |
| # |
| # A corruption event logs a '1' every time a component detects corruption. This |
| # can be either data or metadata corruption depending on the source. |
| ################################################################################ |
| - id: 14 |
| metric_name: corruption_events |
| # This will always log a single event (1). |
| metric_type: EVENT_COUNT |
| metric_dimensions: |
| - dimension: "source" |
| event_codes: |
| 0: Unknown |
| 1: Fvm |
| 2: BlobFs |
| 3: MinFs |
| - dimension: "corruption_type" |
| event_codes: |
| 0: Unknown |
| 1: Data |
| 2: Metadata |
| reports: |
| ############################################################################ |
| # A fleet-wide summary. |
| ############################################################################ |
| - report_name: corruption_summary |
| id: 1809599655 # legacy long report_id |
| report_type: EVENT_COMPONENT_OCCURRENCE_COUNT |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| |
| - report_name: corruption_per_device |
| id: 1110247575 # legacy long report_id |
| report_type: PER_DEVICE_NUMERIC_STATS |
| window_size: |
| - 1 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2020/03/20" |
| |
| # id: 15 deprecated. |
| |
| ################################################################################ |
| # Compression format |
| # |
| # Total file sizes (in bytes) per compression format. |
| # |
| # Currently only supported by blobfs. When blobfs is starting up after boot, we |
| # compute the total (uncompressed) sizes of all blobs per compression format, |
| # and log the counts to Cobalt. |
| # |
| ################################################################################ |
| - id: 16 |
| metric_name: compression_format |
| metric_type: EVENT_COUNT |
| metric_dimensions: |
| - dimension: "source" |
| event_codes: |
| 0: Unknown |
| 1: BlobFs |
| - dimension: "format" |
| event_codes: |
| 0: Unknown |
| 1: Uncompressed |
| 2: LZ4 |
| 3: ZSTD |
| 4: ZSTDSeekable |
| 5: ZSTDChunked |
| reports: |
| ############################################################################ |
| # A per-device histogram report. |
| ############################################################################ |
| - report_name: compression_per_device_histogram |
| id: 1 |
| report_type: PER_DEVICE_HISTOGRAM |
| ########################################################################## |
| # Since we only log the count once per boot, we use MAX here in case a |
| # device reboots several times during the day. |
| ########################################################################## |
| aggregation_type: MAX |
| int_buckets: |
| linear: |
| step_size: 20971520 # 20MB |
| num_buckets: 100 |
| window_size: |
| - 1 # 1 day |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/03/20" |
| ################################################################################ |
| # Page fault latency |
| # |
| # Histogram of latencies in nanoseconds for satisfying a page fault. |
| # |
| # Each time a page fault occurs (a client accesses a not-present page in a |
| # pager-backed VMO), the latency of the userspace fault handling is recorded |
| # and its latency (in nanoseconds) is added to the histogram. |
| # |
| # Blobfs currently flushes this metric to Cobalt every five minutes (at the |
| # same time all other metrics are flushed.) |
| # |
| # Currently only supported by blobfs, and only when blobfs.userpager=true is set |
| # in the build. |
| # |
| ################################################################################ |
| - id: 17 |
| metric_name: page_fault_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 15 |
| initial_step: 10000 |
| step_multiplier: 2 |
| metric_dimensions: |
| - dimension: "source" |
| event_codes: |
| 0: Unknown |
| 1: BlobFs |
| - dimension: "format" |
| event_codes: |
| 0: Unknown |
| 1: Uncompressed |
| 2: LZ4 |
| 3: ZSTD |
| 4: ZSTDSeekable |
| 5: ZSTDChunked |
| - dimension: "read_ahead_size" |
| event_codes: |
| 0: 8KiB |
| 1: 16KiB |
| 2: 32KiB |
| 3: 64KiB |
| 4: 128KiB |
| 5: 256KiB |
| 6: 512KiB |
| 7: LargerThan512KiB |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: page_fault_latency_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/04/28" |
| |
| ################################################################################ |
| # Journal write data latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a journal spent to write data, in nanoseconds. |
| # Typically a "write" here is just a mem-copy into a ring buffer. Payload of the |
| # write is user data instead of filesystem metadata. |
| # This is a filesystem facing async api metric. A high latency may mean that |
| # the ring-buffer is full maybe because there is a back-pressure from slower |
| # underlying disk. |
| ################################################################################ |
| - id: 18 |
| metric_name: journal_write_data_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: journal_write_data_latency_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/08" |
| |
| ################################################################################ |
| # Journal write metadata latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a journal spent to write metadata, in nanoseconds. |
| # Typically a "write" here is just a mem-copy into a ring buffer. Payload of the |
| # write is filesystem metadata. |
| # This is a filesystem facing async api metric. A high latency may mean that |
| # the ring-buffer is full maybe because there is a back-pressure from slower |
| # underlying disk. |
| ################################################################################ |
| - id: 19 |
| metric_name: journal_write_metadata_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: journal_write_metadata_latency_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/08" |
| |
| ################################################################################ |
| # Journal trim data latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a journal spent to trim data, in nanoseconds. |
| # Trim helps nand based storage to mark a block as unused. Trimmed blocks help |
| # storage software to improve nand performance. |
| # This api queues a trim command in journal buffer without actually issuing |
| # trim to underlying device. |
| # This is a filesystem facing async api metric. A high latency may mean that |
| # the ring-buffer is full maybe because there is a back-pressure from slower |
| # underlying disk. |
| ################################################################################ |
| - id: 20 |
| metric_name: journal_trim_data_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: journal_trim_data_latency_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/08" |
| |
| ################################################################################ |
| # Journal sync latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a journal spent to sync, in nanoseconds. |
| # Sync provides a way to ensure that all the queued operations before sync are |
| # complete. |
| # This is a filesystem facing async api metric. A high latency may mean that |
| # the ring-buffer is full maybe because there is a back-pressure from slower |
| # underlying disk. |
| ################################################################################ |
| - id: 21 |
| metric_name: journal_sync_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: journal_sync_latency_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/08" |
| |
| ################################################################################ |
| # Journal schedule task latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a journal spent to schedule task, in nanoseconds. |
| # A task is a collection of journal operations(like data write, metadata write, |
| # etc.). These operations are executed on background task. |
| ################################################################################ |
| - id: 22 |
| metric_name: journal_schedule_task_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: journal_schedule_task_latency_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/08" |
| |
| ################################################################################ |
| # Journal writer write data latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a journal writer spent to write data, in nanoseconds. |
| # Journal writer is a journal background thread that deals with issuing IOs to |
| # the underlying disk. |
| # This is latency to write user data as opposed to filesystem metadata to disk |
| # by journal writer. |
| # See comments for journal_write_data |
| ################################################################################ |
| - id: 23 |
| metric_name: journal_writer_write_data_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: journal_writer_write_data_latency_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/08" |
| |
| ################################################################################ |
| # Journal writer write metadata latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a journal writer spent to write metadata, in nanoseconds. |
| # Journal writer is a journal background thread that deals with issuing blocking |
| # IOs to the underlying disk. |
| # This is latency to write filesystem metadata to disk by journal writer. |
| # See comments for journal_write_metadata |
| ################################################################################ |
| - id: 24 |
| metric_name: journal_writer_write_metadata_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: journal_writer_write_metadata_latency_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/08" |
| |
| ################################################################################ |
| # Journal trim data latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a journal writer spent to trim data, in nanoseconds. |
| # Journal writer is a journal background thread that deals with issuing blocking |
| # IOs to the underlying disk. |
| # This is latency to trim blocks as seen by journal writer. |
| # See comments for journal_trim_data. |
| ################################################################################ |
| - id: 25 |
| metric_name: journal_writer_trim_data_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: journal_writer_trim_data_latency_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/08" |
| |
| ################################################################################ |
| # Journal writer sync latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a journal writer spent to sync, in nanoseconds. |
| # Journal writer is a journal background thread that deals with issuing blocking |
| # IOs to the underlying disk. |
| # This is latency to sync journal operation as seen by journal writer. |
| # See comments for journal_sync. |
| ################################################################################ |
| - id: 26 |
| metric_name: journal_writer_sync_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: journal_writer_sync_latency_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/08" |
| |
| ################################################################################ |
| # Journal writer write info block latency |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every few minutes, |
| # of the time a journal writer spent to write info block, in nanoseconds. |
| # Journal writer is a journal background thread that deals with issuing blocking |
| # IOs to the underlying disk. |
| # Journal updates its headers on-disk when certain conditions are met (like ring |
| # buffer running full). This metric tracks latency of such writes. |
| ################################################################################ |
| - id: 27 |
| metric_name: journal_writer_write_info_block_latency |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10000 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: journal_writer_write_info_block_latency_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/08" |
| |
| ################################################################################ |
| # Oldest on-disk version |
| # |
| # The component string field tracks the oldest on-disk version whilst a |
| # dimension is used to track the real storage sub-component. This metric is |
| # incremented upon every mount. |
| ################################################################################ |
| - id: 28 |
| metric_name: version |
| metric_type: EVENT_COUNT |
| metric_dimensions: |
| - dimension: component |
| event_codes: |
| 0: unknown |
| 1: fvm |
| 2: blobfs |
| 3: minfs |
| reports: |
| - report_name: version_mount_counts |
| id: 1 |
| candidate_file: fuchsia/local_storage/versions.txt |
| report_type: EVENT_COMPONENT_OCCURRENCE_COUNT |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/12/14" |
| |
| ##################################################################### |
| # Total inodes |
| # |
| # Total number of inodes, either free or in use, in the system. |
| # The metrics will help us understand the size of inode table. This number in |
| # might also help understand other fragmentation metrics, namely file_in_use and |
| # extent_containers_in_use better. |
| ##################################################################### |
| - id: 29 |
| metric_name: total_inodes |
| metric_type: MEMORY_USAGE |
| reports: |
| - report_name: total_inodes_count |
| id: 1 |
| report_type: PER_DEVICE_NUMERIC_STATS |
| aggregation_type: MAX |
| window_size: |
| - 1 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/12/23" |
| |
| ##################################################################### |
| # Files in use |
| # |
| # Total number of files, (or blobs in case of blobfs), in use in the system. |
| # This number may vary largely across builds or when the device has additional |
| # packages installed other than system base packages. |
| ##################################################################### |
| - id: 30 |
| metric_name: file_in_use |
| metric_type: MEMORY_USAGE |
| reports: |
| - report_name: files_in_use_count |
| id: 1 |
| report_type: PER_DEVICE_NUMERIC_STATS |
| aggregation_type: MAX |
| window_size: |
| - 1 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/12/23" |
| |
| |
| ##################################################################### |
| # Extent containers in use |
| # |
| # File/blob may use one or more extents, a pointer to a set of blocks. Extent |
| # ontainers are collection of one or more extents. Large the number of extent |
| # containers in use indicate higher fragmentation of the storage. |
| ##################################################################### |
| - id: 31 |
| metric_name: extent_containers_in_use |
| metric_type: MEMORY_USAGE |
| reports: |
| - report_name: extent_containers_in_use_count |
| id: 1 |
| report_type: PER_DEVICE_NUMERIC_STATS |
| aggregation_type: MAX |
| window_size: |
| - 1 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/12/23" |
| |
| ################################################################################ |
| # Extents per file fragmentation |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every time filesystem |
| # is mounted or unmounted, of extents used by a file/blob. |
| # The histogram presents fragmentation at file/blob level. This metric will help |
| # in understanding how defragmentation of certain files will help either to |
| # recover extents or to improve read performance. |
| ################################################################################ |
| - id: 32 |
| metric_name: extents_per_file |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: fragmentation_extents_per_file_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/12/23" |
| |
| ################################################################################ |
| # In use block fragmentation |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every time filesystem |
| # is mounted or unmounted, of used contiguous blocks that represent contiguous |
| # offset of a file. |
| # The histogram shows used block fragmentation. This metric will help |
| # in understand the effects of block allocation policy. The metric will also |
| # help in targeting what blocks to move if we decide to defragment the system. |
| ################################################################################ |
| - id: 33 |
| metric_name: in_use_fragments |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: fragmentation_in_use_fragments_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/12/23" |
| |
| ################################################################################ |
| # Free fragments. |
| # |
| # A histogram, aggregated in-process and logged to Cobalt every time filesystem |
| # is mounted or unmounted, of contiguous free blocks. |
| # The histogram shows free block fragmentation. This metric will help |
| # in understand likelyhood of running out of extents during a OTA. |
| ################################################################################ |
| - id: 34 |
| metric_name: free_fragments |
| metric_type: INT_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 10 |
| initial_step: 10 |
| step_multiplier: 2 |
| reports: |
| ############################################################################ |
| # A fleet-wide histogram report |
| ############################################################################ |
| - report_name: fragmentation_free_fragments_histogram |
| id: 1 |
| report_type: INT_RANGE_HISTOGRAM |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/12/23" |
| |
| |
| # FTL Metrics |
| # Reserved Range: [2000, 3000) |
| |
| ################################################################################ |
| # FTL: Wear Count |
| # |
| # A counter representing the highest wear count of the FTL driver. |
| # |
| # A NAND block has an expected lifetime in erase cycles. An erase must occur |
| # before anything can be written (updating data). |
| # |
| # This count is the highest number of erase cycles per block, across all |
| # erase blocks in the NAND device. |
| # |
| # This metric allows observing how the FTL wear leveling algorithm is performing, |
| # such that the device lifetime is maximized, because the higher the wear the |
| # more probable the block is expected to fail. |
| # |
| # Sampling Frequency: 1 sample per hour. |
| ################################################################################ |
| - id: 2000 |
| metric_name: ftl_wear_count |
| # Current version of cobalt doesn't support logging an integer sample. |
| # The closest is |MEMORY_USAGE|, which will be mapped to |Integer| once |
| # Cobalt 1.1 is released. |
| metric_type: MEMORY_USAGE |
| reports: |
| ############################################################################ |
| # A fleet-wide summary. |
| ############################################################################ |
| - report_name: ftl_wear_count_per_device |
| id: 1 |
| report_type: PER_DEVICE_NUMERIC_STATS |
| aggregation_type: MAX |
| window_size: |
| - 1 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| - report_name: ftl_wear_count_histogram_per_device |
| id: 2 |
| report_type: INT_RANGE_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 20 |
| initial_step: 1 |
| step_multiplier: 2 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/27" |
| |
| ################################################################################ |
| # FTL: Block Operation Count |
| # |
| # A counter representing the number of block operations the FTL receives. |
| # |
| # Allows measuring the IO pressure on the FTL. When combined with the |
| # |ftl_nand_operation_count| an approximate operation amplification |
| # can be estimated. |
| # |
| # Sampling Frequency: 1 sample per hour. |
| # |
| # |operation_type|: Refers to the type of block operation received in the FTL Layer. |
| # |
| ################################################################################ |
| - id: 2001 |
| metric_name: ftl_block_operation_count |
| metric_type: EVENT_COUNT |
| metric_dimensions: |
| - dimension: operation_type |
| event_codes: |
| 0: Unknown |
| 1: BLOCK_READ |
| 2: BLOCK_WRITE |
| 3: BLOCK_FLUSH |
| 4: BLOCK_TRIM |
| reports: |
| ############################################################################ |
| # A fleet-wide summary. |
| ############################################################################ |
| - report_name: ftl_block_operation_per_device |
| id: 1 |
| report_type: PER_DEVICE_NUMERIC_STATS |
| aggregation_type: SUM |
| window_size: |
| - 1 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| - report_name: ftl_block_max_operations_per_device |
| id: 2 |
| report_type: PER_DEVICE_NUMERIC_STATS |
| aggregation_type: MAX |
| window_size: |
| - 1 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| - report_name: ftl_block_operation_histogram_per_device |
| id: 3 |
| report_type: INT_RANGE_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 20 |
| initial_step: 1 |
| step_multiplier: 2 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/27" |
| |
| ################################################################################ |
| # FTL: NAND Operation Count |
| # |
| # A counter representing the number of block operations the FTL receives. |
| # |
| # Allows measuring the IO pressure on the FTL. When combined with the |
| # |ftl_nand_operation_count| an approximate operation amplification |
| # can be estimated. |
| # |
| # Sampling Frequency: 1 sample per hour. |
| # |
| # |operation_type|: Refers to the type of NAND operation issued to the NAND layer by the ftl, |
| # in response to a given operation type. |
| # |source_operation_type|: Refers to the type of block operation received in the FTL Layer. |
| # |
| # |
| ################################################################################ |
| - id: 2002 |
| metric_name: ftl_nand_operation_count |
| metric_type: EVENT_COUNT |
| metric_dimensions: |
| - dimension: operation_type |
| event_codes: |
| 0: Unknown |
| 1: NAND_READ |
| 2: NAND_WRITE |
| 3: NAND_ERASE |
| - dimension: source_operation_type |
| event_codes: |
| 0: Unknown |
| 1: BLOCK_READ |
| 2: BLOCK_WRITE |
| 3: BLOCK_ERASE |
| 4: BLOCK_TRIM |
| reports: |
| ############################################################################ |
| # A fleet-wide summary. |
| ############################################################################ |
| - report_name: ftl_nand_operations_per_device |
| id: 1 |
| report_type: PER_DEVICE_NUMERIC_STATS |
| aggregation_type: SUM |
| window_size: |
| - 1 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| - report_name: ftl_nand_operation_max_per_device |
| id: 2 |
| report_type: PER_DEVICE_NUMERIC_STATS |
| aggregation_type: MAX |
| window_size: |
| - 1 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| - report_name: ftl_nand_operation_histogram_per_device |
| id: 3 |
| report_type: INT_RANGE_HISTOGRAM |
| int_buckets: |
| exponential: |
| floor: 0 |
| num_buckets: 20 |
| initial_step: 1 |
| step_multiplier: 2 |
| system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2021/10/27" |
| |
| # FVM Metrics |
| # Reserved Range: [3000, 4000) |
| |
| ################################################################################ |
| # FVM: Slice Allocation Counts |
| # |
| # Collects per-partition slice allocation counts from fvm. This assumes there are two fvm |
| # partitions - blobfs and minfs. |
| # |
| # Sampling Frequency: 1 sample per hour. |
| # |
| # |partition|: The partition allocating the slices. |
| ################################################################################ |
| - id: 3000 |
| metric_name: fvm_slice_allocations |
| metric_type: EVENT_COUNT |
| metric_dimensions: |
| - dimension: partition |
| event_codes: |
| 0: Blobfs |
| 1: Minfs |
| reports: |
| - report_name: fvm_slice_allocations |
| id: 3000 |
| report_type: NUMERIC_AGGREGATION |
| system_profile_field: [PRODUCT_NAME, CHANNEL, SYSTEM_VERSION] |
| meta_data: |
| max_release_stage: GA |
| expiration_date: "2022/01/13" |
