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denoland-deno/core/ops_metrics.rs

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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use crate::serde::Serialize;
use crate::OpId;
use std::cell::UnsafeCell;
// TODO(@AaronO): split into AggregateMetrics & PerOpMetrics
#[derive(Clone, Default, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct OpMetrics {
pub ops_dispatched: u64,
pub ops_dispatched_sync: u64,
pub ops_dispatched_async: u64,
// TODO(bartlomieju): this field is never updated
pub ops_dispatched_async_unref: u64,
pub ops_completed: u64,
pub ops_completed_sync: u64,
pub ops_completed_async: u64,
// TODO(bartlomieju): this field is never updated
pub ops_completed_async_unref: u64,
pub bytes_sent_control: u64,
pub bytes_sent_data: u64,
pub bytes_received: u64,
}
// TODO(@AaronO): track errors
#[derive(Default, Debug)]
pub struct OpsTracker {
pub ops: UnsafeCell<Vec<OpMetrics>>,
}
impl OpsTracker {
pub fn per_op(&self) -> Vec<OpMetrics> {
self.ops_mut().clone()
}
pub fn aggregate(&self) -> OpMetrics {
let mut sum = OpMetrics::default();
for metrics in self.ops_mut().iter() {
sum.ops_dispatched += metrics.ops_dispatched;
sum.ops_dispatched_sync += metrics.ops_dispatched_sync;
sum.ops_dispatched_async += metrics.ops_dispatched_async;
sum.ops_dispatched_async_unref += metrics.ops_dispatched_async_unref;
sum.ops_completed += metrics.ops_completed;
sum.ops_completed_sync += metrics.ops_completed_sync;
sum.ops_completed_async += metrics.ops_completed_async;
sum.ops_completed_async_unref += metrics.ops_completed_async_unref;
sum.bytes_sent_control += metrics.bytes_sent_control;
sum.bytes_sent_data += metrics.bytes_sent_data;
sum.bytes_received += metrics.bytes_received;
}
sum
}
#[allow(clippy::mut_from_ref)]
#[inline]
fn ops_mut(&self) -> &mut Vec<OpMetrics> {
unsafe { &mut *self.ops.get() }
}
#[allow(clippy::mut_from_ref)]
#[inline]
fn metrics_mut(&self, id: OpId) -> &mut OpMetrics {
unsafe { self.ops_mut().get_unchecked_mut(id) }
}
#[inline]
pub fn track_sync(&self, id: OpId) {
let metrics = self.metrics_mut(id);
metrics.ops_dispatched += 1;
metrics.ops_completed += 1;
metrics.ops_dispatched_sync += 1;
metrics.ops_completed_sync += 1;
}
#[inline]
pub fn track_async(&self, id: OpId) {
let metrics = self.metrics_mut(id);
metrics.ops_dispatched += 1;
metrics.ops_dispatched_async += 1;
}
#[inline]
pub fn track_async_completed(&self, id: OpId) {
let metrics = self.metrics_mut(id);
metrics.ops_completed += 1;
metrics.ops_completed_async += 1;
}
}