lighthouse/beacon_node/beacon_chain/src/metrics.rs

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Fix block processing blowup, upgrade metrics (#500) * Renamed fork_choice::process_attestation_from_block * Processing attestation in fork choice * Retrieving state from store and checking signature * Looser check on beacon state validity. * Cleaned up get_attestation_state * Expanded fork choice api to provide latest validator message. * Checking if the an attestation contains a latest message * Correct process_attestation error handling. * Copy paste error in comment fixed. * Tidy ancestor iterators * Getting attestation slot via helper method * Refactored attestation creation in test utils * Revert "Refactored attestation creation in test utils" This reverts commit 4d277fe4239a7194758b18fb5c00dfe0b8231306. * Integration tests for free attestation processing * Implicit conflicts resolved. * formatting * Do first pass on Grants code * Add another attestation processing test * Tidy attestation processing * Remove old code fragment * Add non-compiling half finished changes * Simplify, fix bugs, add tests for chain iters * Remove attestation processing from op pool * Fix bug with fork choice, tidy * Fix overly restrictive check in fork choice. * Ensure committee cache is build during attn proc * Ignore unknown blocks at fork choice * Various minor fixes * Make fork choice write lock in to read lock * Remove unused method * Tidy comments * Fix attestation prod. target roots change * Fix compile error in store iters * Reject any attestation prior to finalization * Begin metrics refactor * Move beacon_chain to new metrics structure. * Make metrics not panic if already defined * Use global prometheus gather at rest api * Unify common metric fns into a crate * Add heavy metering to block processing * Remove hypen from prometheus metric name * Add more beacon chain metrics * Add beacon chain persistence metric * Prune op pool on finalization * Add extra prom beacon chain metrics * Prefix BeaconChain metrics with "beacon_" * Add more store metrics * Add basic metrics to libp2p * Add metrics to HTTP server * Remove old `http_server` crate * Update metrics names to be more like standard * Fix broken beacon chain metrics, add slot clock metrics * Add lighthouse_metrics gather fn * Remove http args * Fix wrong state given to op pool prune * Make prom metric names more consistent * Add more metrics, tidy existing metrics * Fix store block read metrics * Tidy attestation metrics * Fix minor PR comments * Allow travis failures on beta (see desc) There's a non-backward compatible change in `cargo fmt`. Stable and beta do not agree. * Tidy `lighthouse_metrics` docs * Fix typo
2019-08-19 11:02:34 +00:00
use crate::{BeaconChain, BeaconChainTypes};
pub use lighthouse_metrics::*;
use types::{BeaconState, Epoch, Hash256, Slot};
Fix block processing blowup, upgrade metrics (#500) * Renamed fork_choice::process_attestation_from_block * Processing attestation in fork choice * Retrieving state from store and checking signature * Looser check on beacon state validity. * Cleaned up get_attestation_state * Expanded fork choice api to provide latest validator message. * Checking if the an attestation contains a latest message * Correct process_attestation error handling. * Copy paste error in comment fixed. * Tidy ancestor iterators * Getting attestation slot via helper method * Refactored attestation creation in test utils * Revert "Refactored attestation creation in test utils" This reverts commit 4d277fe4239a7194758b18fb5c00dfe0b8231306. * Integration tests for free attestation processing * Implicit conflicts resolved. * formatting * Do first pass on Grants code * Add another attestation processing test * Tidy attestation processing * Remove old code fragment * Add non-compiling half finished changes * Simplify, fix bugs, add tests for chain iters * Remove attestation processing from op pool * Fix bug with fork choice, tidy * Fix overly restrictive check in fork choice. * Ensure committee cache is build during attn proc * Ignore unknown blocks at fork choice * Various minor fixes * Make fork choice write lock in to read lock * Remove unused method * Tidy comments * Fix attestation prod. target roots change * Fix compile error in store iters * Reject any attestation prior to finalization * Begin metrics refactor * Move beacon_chain to new metrics structure. * Make metrics not panic if already defined * Use global prometheus gather at rest api * Unify common metric fns into a crate * Add heavy metering to block processing * Remove hypen from prometheus metric name * Add more beacon chain metrics * Add beacon chain persistence metric * Prune op pool on finalization * Add extra prom beacon chain metrics * Prefix BeaconChain metrics with "beacon_" * Add more store metrics * Add basic metrics to libp2p * Add metrics to HTTP server * Remove old `http_server` crate * Update metrics names to be more like standard * Fix broken beacon chain metrics, add slot clock metrics * Add lighthouse_metrics gather fn * Remove http args * Fix wrong state given to op pool prune * Make prom metric names more consistent * Add more metrics, tidy existing metrics * Fix store block read metrics * Tidy attestation metrics * Fix minor PR comments * Allow travis failures on beta (see desc) There's a non-backward compatible change in `cargo fmt`. Stable and beta do not agree. * Tidy `lighthouse_metrics` docs * Fix typo
2019-08-19 11:02:34 +00:00
lazy_static! {
/*
* Block Processing
*/
pub static ref BLOCK_PROCESSING_REQUESTS: Result<IntCounter> = try_create_int_counter(
"beacon_block_processing_requests_total",
"Count of blocks submitted for processing"
);
pub static ref BLOCK_PROCESSING_SUCCESSES: Result<IntCounter> = try_create_int_counter(
"beacon_block_processing_successes_total",
"Count of blocks processed without error"
);
pub static ref BLOCK_PROCESSING_TIMES: Result<Histogram> =
try_create_histogram("beacon_block_processing_seconds", "Full runtime of block processing");
pub static ref BLOCK_PROCESSING_BLOCK_ROOT: Result<Histogram> = try_create_histogram(
"beacon_block_processing_block_root_seconds",
"Time spent calculating the block root when processing a block."
);
pub static ref BLOCK_PROCESSING_DB_READ: Result<Histogram> = try_create_histogram(
"beacon_block_processing_db_read_seconds",
"Time spent loading block and state from DB for block processing"
);
pub static ref BLOCK_PROCESSING_CATCHUP_STATE: Result<Histogram> = try_create_histogram(
"beacon_block_processing_catch_up_state_seconds",
"Time spent skipping slots on a state before processing a block."
);
pub static ref BLOCK_PROCESSING_COMMITTEE: Result<Histogram> = try_create_histogram(
"beacon_block_processing_committee_building_seconds",
"Time spent building/obtaining committees for block processing."
);
pub static ref BLOCK_PROCESSING_CORE: Result<Histogram> = try_create_histogram(
"beacon_block_processing_core_seconds",
"Time spent doing the core per_block_processing state processing."
);
pub static ref BLOCK_PROCESSING_STATE_ROOT: Result<Histogram> = try_create_histogram(
"beacon_block_processing_state_root_seconds",
"Time spent calculating the state root when processing a block."
);
pub static ref BLOCK_PROCESSING_DB_WRITE: Result<Histogram> = try_create_histogram(
"beacon_block_processing_db_write_seconds",
"Time spent writing a newly processed block and state to DB"
);
pub static ref BLOCK_PROCESSING_FORK_CHOICE_REGISTER: Result<Histogram> = try_create_histogram(
"beacon_block_processing_fork_choice_register_seconds",
"Time spent registering the new block with fork choice (but not finding head)"
);
pub static ref BLOCK_PROCESSING_FORK_CHOICE_FIND_HEAD: Result<Histogram> = try_create_histogram(
"beacon_block_processing_fork_choice_find_head_seconds",
"Time spent finding the new head after processing a new block"
);
/*
* Block Production
*/
pub static ref BLOCK_PRODUCTION_REQUESTS: Result<IntCounter> = try_create_int_counter(
"beacon_block_production_requests_total",
"Count of all block production requests"
);
pub static ref BLOCK_PRODUCTION_SUCCESSES: Result<IntCounter> = try_create_int_counter(
"beacon_block_production_successes_total",
"Count of blocks successfully produced."
);
pub static ref BLOCK_PRODUCTION_TIMES: Result<Histogram> =
try_create_histogram("beacon_block_production_seconds", "Full runtime of block production");
/*
* Block Statistics
*/
pub static ref OPERATIONS_PER_BLOCK_ATTESTATION: Result<Histogram> = try_create_histogram(
"beacon_operations_per_block_attestation_total",
"Number of attestations in a block"
);
/*
* Attestation Processing
*/
pub static ref ATTESTATION_PROCESSING_REQUESTS: Result<IntCounter> = try_create_int_counter(
"beacon_attestation_processing_requests_total",
"Count of all attestations submitted for processing"
);
pub static ref ATTESTATION_PROCESSING_SUCCESSES: Result<IntCounter> = try_create_int_counter(
"beacon_attestation_processing_successes_total",
"total_attestation_processing_successes"
);
pub static ref ATTESTATION_PROCESSING_TIMES: Result<Histogram> = try_create_histogram(
"beacon_attestation_processing_seconds",
"Full runtime of attestation processing"
);
pub static ref ATTESTATION_PROCESSING_CORE: Result<Histogram> = try_create_histogram(
"beacon_attestation_processing_core_seconds",
"Time spent on the core spec processing of attestation processing"
);
/*
* Attestation Production
*/
pub static ref ATTESTATION_PRODUCTION_REQUESTS: Result<IntCounter> = try_create_int_counter(
"beacon_attestation_production_requests_total",
"Count of all attestation production requests"
);
pub static ref ATTESTATION_PRODUCTION_SUCCESSES: Result<IntCounter> = try_create_int_counter(
"beacon_attestation_production_successes_total",
"Count of attestations processed without error"
);
pub static ref ATTESTATION_PRODUCTION_TIMES: Result<Histogram> = try_create_histogram(
"beacon_attestation_production_seconds",
"Full runtime of attestation production"
);
/*
* Fork Choice
*/
pub static ref FORK_CHOICE_REQUESTS: Result<IntCounter> = try_create_int_counter(
"beacon_fork_choice_requests_total",
"Count of occasions where fork choice has tried to find a head"
);
pub static ref FORK_CHOICE_ERRORS: Result<IntCounter> = try_create_int_counter(
"beacon_fork_choice_errors_total",
"Count of occasions where fork choice has returned an error when trying to find a head"
);
pub static ref FORK_CHOICE_CHANGED_HEAD: Result<IntCounter> = try_create_int_counter(
"beacon_fork_choice_changed_head_total",
"Count of occasions fork choice has found a new head"
);
pub static ref FORK_CHOICE_REORG_COUNT: Result<IntCounter> = try_create_int_counter(
"beacon_fork_choice_reorg_total",
"Count of occasions fork choice has switched to a different chain"
);
pub static ref FORK_CHOICE_TIMES: Result<Histogram> =
try_create_histogram("beacon_fork_choice_seconds", "Full runtime of fork choice");
pub static ref FORK_CHOICE_FIND_HEAD_TIMES: Result<Histogram> =
try_create_histogram("beacon_fork_choice_find_head_seconds", "Full runtime of fork choice find_head function");
pub static ref FORK_CHOICE_PROCESS_BLOCK_TIMES: Result<Histogram> = try_create_histogram(
"beacon_fork_choice_process_block_seconds",
"Time taken to add a block and all attestations to fork choice"
);
pub static ref FORK_CHOICE_PROCESS_ATTESTATION_TIMES: Result<Histogram> = try_create_histogram(
"beacon_fork_choice_process_attestation_seconds",
"Time taken to add an attestation to fork choice"
);
/*
* Persisting BeaconChain to disk
*/
pub static ref PERSIST_CHAIN: Result<Histogram> =
try_create_histogram("beacon_persist_chain", "Time taken to update the canonical head");
/*
* Chain Head
*/
pub static ref UPDATE_HEAD_TIMES: Result<Histogram> =
try_create_histogram("beacon_update_head_seconds", "Time taken to update the canonical head");
pub static ref HEAD_STATE_SLOT: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_slot", "Slot of the block at the head of the chain");
pub static ref HEAD_STATE_ROOT: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_root", "Root of the block at the head of the chain");
pub static ref HEAD_STATE_LATEST_BLOCK_SLOT: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_latest_block_slot", "Latest block slot at the head of the chain");
pub static ref HEAD_STATE_CURRENT_JUSTIFIED_ROOT: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_current_justified_root", "Current justified root at the head of the chain");
pub static ref HEAD_STATE_CURRENT_JUSTIFIED_EPOCH: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_current_justified_epoch", "Current justified epoch at the head of the chain");
pub static ref HEAD_STATE_PREVIOUS_JUSTIFIED_ROOT: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_previous_justified_root", "Previous justified root at the head of the chain");
pub static ref HEAD_STATE_PREVIOUS_JUSTIFIED_EPOCH: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_previous_justified_epoch", "Previous justified epoch at the head of the chain");
pub static ref HEAD_STATE_FINALIZED_ROOT: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_finalized_root", "Finalized root at the head of the chain");
pub static ref HEAD_STATE_FINALIZED_EPOCH: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_finalized_epoch", "Finalized epoch at the head of the chain");
pub static ref HEAD_STATE_SHARDS: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_shard_total", "Count of shards in the beacon chain");
pub static ref HEAD_STATE_TOTAL_VALIDATORS: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_total_validators_total", "Count of validators at the head of the chain");
pub static ref HEAD_STATE_ACTIVE_VALIDATORS: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_active_validators_total", "Count of active validators at the head of the chain");
pub static ref HEAD_STATE_VALIDATOR_BALANCES: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_validator_balances_total", "Sum of all validator balances at the head of the chain");
pub static ref HEAD_STATE_SLASHED_VALIDATORS: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_slashed_validators_total", "Count of all slashed validators at the head of the chain");
pub static ref HEAD_STATE_WITHDRAWN_VALIDATORS: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_withdrawn_validators_total", "Sum of all validator balances at the head of the chain");
pub static ref HEAD_STATE_ETH1_DEPOSIT_INDEX: Result<IntGauge> =
try_create_int_gauge("beacon_head_state_eth1_deposit_index", "Eth1 deposit index at the head of the chain");
}
Fix block processing blowup, upgrade metrics (#500) * Renamed fork_choice::process_attestation_from_block * Processing attestation in fork choice * Retrieving state from store and checking signature * Looser check on beacon state validity. * Cleaned up get_attestation_state * Expanded fork choice api to provide latest validator message. * Checking if the an attestation contains a latest message * Correct process_attestation error handling. * Copy paste error in comment fixed. * Tidy ancestor iterators * Getting attestation slot via helper method * Refactored attestation creation in test utils * Revert "Refactored attestation creation in test utils" This reverts commit 4d277fe4239a7194758b18fb5c00dfe0b8231306. * Integration tests for free attestation processing * Implicit conflicts resolved. * formatting * Do first pass on Grants code * Add another attestation processing test * Tidy attestation processing * Remove old code fragment * Add non-compiling half finished changes * Simplify, fix bugs, add tests for chain iters * Remove attestation processing from op pool * Fix bug with fork choice, tidy * Fix overly restrictive check in fork choice. * Ensure committee cache is build during attn proc * Ignore unknown blocks at fork choice * Various minor fixes * Make fork choice write lock in to read lock * Remove unused method * Tidy comments * Fix attestation prod. target roots change * Fix compile error in store iters * Reject any attestation prior to finalization * Begin metrics refactor * Move beacon_chain to new metrics structure. * Make metrics not panic if already defined * Use global prometheus gather at rest api * Unify common metric fns into a crate * Add heavy metering to block processing * Remove hypen from prometheus metric name * Add more beacon chain metrics * Add beacon chain persistence metric * Prune op pool on finalization * Add extra prom beacon chain metrics * Prefix BeaconChain metrics with "beacon_" * Add more store metrics * Add basic metrics to libp2p * Add metrics to HTTP server * Remove old `http_server` crate * Update metrics names to be more like standard * Fix broken beacon chain metrics, add slot clock metrics * Add lighthouse_metrics gather fn * Remove http args * Fix wrong state given to op pool prune * Make prom metric names more consistent * Add more metrics, tidy existing metrics * Fix store block read metrics * Tidy attestation metrics * Fix minor PR comments * Allow travis failures on beta (see desc) There's a non-backward compatible change in `cargo fmt`. Stable and beta do not agree. * Tidy `lighthouse_metrics` docs * Fix typo
2019-08-19 11:02:34 +00:00
/// Scrape the `beacon_chain` for metrics that are not constantly updated (e.g., the present slot,
/// head state info, etc) and update the Prometheus `DEFAULT_REGISTRY`.
pub fn scrape_for_metrics<T: BeaconChainTypes>(beacon_chain: &BeaconChain<T>) {
scrape_head_state::<T>(
&beacon_chain.head().beacon_state,
beacon_chain.head().beacon_state_root,
);
}
Fix block processing blowup, upgrade metrics (#500) * Renamed fork_choice::process_attestation_from_block * Processing attestation in fork choice * Retrieving state from store and checking signature * Looser check on beacon state validity. * Cleaned up get_attestation_state * Expanded fork choice api to provide latest validator message. * Checking if the an attestation contains a latest message * Correct process_attestation error handling. * Copy paste error in comment fixed. * Tidy ancestor iterators * Getting attestation slot via helper method * Refactored attestation creation in test utils * Revert "Refactored attestation creation in test utils" This reverts commit 4d277fe4239a7194758b18fb5c00dfe0b8231306. * Integration tests for free attestation processing * Implicit conflicts resolved. * formatting * Do first pass on Grants code * Add another attestation processing test * Tidy attestation processing * Remove old code fragment * Add non-compiling half finished changes * Simplify, fix bugs, add tests for chain iters * Remove attestation processing from op pool * Fix bug with fork choice, tidy * Fix overly restrictive check in fork choice. * Ensure committee cache is build during attn proc * Ignore unknown blocks at fork choice * Various minor fixes * Make fork choice write lock in to read lock * Remove unused method * Tidy comments * Fix attestation prod. target roots change * Fix compile error in store iters * Reject any attestation prior to finalization * Begin metrics refactor * Move beacon_chain to new metrics structure. * Make metrics not panic if already defined * Use global prometheus gather at rest api * Unify common metric fns into a crate * Add heavy metering to block processing * Remove hypen from prometheus metric name * Add more beacon chain metrics * Add beacon chain persistence metric * Prune op pool on finalization * Add extra prom beacon chain metrics * Prefix BeaconChain metrics with "beacon_" * Add more store metrics * Add basic metrics to libp2p * Add metrics to HTTP server * Remove old `http_server` crate * Update metrics names to be more like standard * Fix broken beacon chain metrics, add slot clock metrics * Add lighthouse_metrics gather fn * Remove http args * Fix wrong state given to op pool prune * Make prom metric names more consistent * Add more metrics, tidy existing metrics * Fix store block read metrics * Tidy attestation metrics * Fix minor PR comments * Allow travis failures on beta (see desc) There's a non-backward compatible change in `cargo fmt`. Stable and beta do not agree. * Tidy `lighthouse_metrics` docs * Fix typo
2019-08-19 11:02:34 +00:00
/// Scrape the given `state` assuming it's the head state, updating the `DEFAULT_REGISTRY`.
fn scrape_head_state<T: BeaconChainTypes>(state: &BeaconState<T::EthSpec>, state_root: Hash256) {
set_gauge_by_slot(&HEAD_STATE_SLOT, state.slot);
set_gauge_by_hash(&HEAD_STATE_ROOT, state_root);
set_gauge_by_slot(
&HEAD_STATE_LATEST_BLOCK_SLOT,
state.latest_block_header.slot,
);
set_gauge_by_hash(
&HEAD_STATE_CURRENT_JUSTIFIED_ROOT,
state.current_justified_checkpoint.root,
);
set_gauge_by_epoch(
&HEAD_STATE_CURRENT_JUSTIFIED_EPOCH,
state.current_justified_checkpoint.epoch,
);
set_gauge_by_hash(
&HEAD_STATE_PREVIOUS_JUSTIFIED_ROOT,
state.previous_justified_checkpoint.root,
);
set_gauge_by_epoch(
&HEAD_STATE_PREVIOUS_JUSTIFIED_EPOCH,
state.previous_justified_checkpoint.epoch,
);
set_gauge_by_hash(&HEAD_STATE_FINALIZED_ROOT, state.finalized_checkpoint.root);
set_gauge_by_epoch(
&HEAD_STATE_FINALIZED_EPOCH,
state.finalized_checkpoint.epoch,
);
set_gauge_by_usize(&HEAD_STATE_SHARDS, state.previous_crosslinks.len());
set_gauge_by_usize(&HEAD_STATE_TOTAL_VALIDATORS, state.validators.len());
set_gauge_by_u64(
&HEAD_STATE_VALIDATOR_BALANCES,
state.balances.iter().fold(0_u64, |acc, i| acc + i),
);
set_gauge_by_usize(
&HEAD_STATE_ACTIVE_VALIDATORS,
state
.validators
.iter()
.filter(|v| v.is_active_at(state.current_epoch()))
.count(),
);
set_gauge_by_usize(
&HEAD_STATE_SLASHED_VALIDATORS,
state.validators.iter().filter(|v| v.slashed).count(),
);
set_gauge_by_usize(
&HEAD_STATE_WITHDRAWN_VALIDATORS,
state
.validators
.iter()
.filter(|v| v.is_withdrawable_at(state.current_epoch()))
.count(),
);
set_gauge_by_u64(&HEAD_STATE_ETH1_DEPOSIT_INDEX, state.eth1_deposit_index);
}
fn set_gauge_by_slot(gauge: &Result<IntGauge>, value: Slot) {
set_gauge(gauge, value.as_u64() as i64);
}
fn set_gauge_by_epoch(gauge: &Result<IntGauge>, value: Epoch) {
set_gauge(gauge, value.as_u64() as i64);
}
fn set_gauge_by_hash(gauge: &Result<IntGauge>, value: Hash256) {
set_gauge(gauge, value.to_low_u64_le() as i64);
}
fn set_gauge_by_usize(gauge: &Result<IntGauge>, value: usize) {
set_gauge(gauge, value as i64);
}
Fix block processing blowup, upgrade metrics (#500) * Renamed fork_choice::process_attestation_from_block * Processing attestation in fork choice * Retrieving state from store and checking signature * Looser check on beacon state validity. * Cleaned up get_attestation_state * Expanded fork choice api to provide latest validator message. * Checking if the an attestation contains a latest message * Correct process_attestation error handling. * Copy paste error in comment fixed. * Tidy ancestor iterators * Getting attestation slot via helper method * Refactored attestation creation in test utils * Revert "Refactored attestation creation in test utils" This reverts commit 4d277fe4239a7194758b18fb5c00dfe0b8231306. * Integration tests for free attestation processing * Implicit conflicts resolved. * formatting * Do first pass on Grants code * Add another attestation processing test * Tidy attestation processing * Remove old code fragment * Add non-compiling half finished changes * Simplify, fix bugs, add tests for chain iters * Remove attestation processing from op pool * Fix bug with fork choice, tidy * Fix overly restrictive check in fork choice. * Ensure committee cache is build during attn proc * Ignore unknown blocks at fork choice * Various minor fixes * Make fork choice write lock in to read lock * Remove unused method * Tidy comments * Fix attestation prod. target roots change * Fix compile error in store iters * Reject any attestation prior to finalization * Begin metrics refactor * Move beacon_chain to new metrics structure. * Make metrics not panic if already defined * Use global prometheus gather at rest api * Unify common metric fns into a crate * Add heavy metering to block processing * Remove hypen from prometheus metric name * Add more beacon chain metrics * Add beacon chain persistence metric * Prune op pool on finalization * Add extra prom beacon chain metrics * Prefix BeaconChain metrics with "beacon_" * Add more store metrics * Add basic metrics to libp2p * Add metrics to HTTP server * Remove old `http_server` crate * Update metrics names to be more like standard * Fix broken beacon chain metrics, add slot clock metrics * Add lighthouse_metrics gather fn * Remove http args * Fix wrong state given to op pool prune * Make prom metric names more consistent * Add more metrics, tidy existing metrics * Fix store block read metrics * Tidy attestation metrics * Fix minor PR comments * Allow travis failures on beta (see desc) There's a non-backward compatible change in `cargo fmt`. Stable and beta do not agree. * Tidy `lighthouse_metrics` docs * Fix typo
2019-08-19 11:02:34 +00:00
fn set_gauge_by_u64(gauge: &Result<IntGauge>, value: u64) {
set_gauge(gauge, value as i64);
}