vmario/fabaccess-bffh
1
0
Fork 0
mirror of https://gitlab.com/fabinfra/fabaccess/bffh.git synced 2024-12-22 11:43:49 +01:00
Code Issues Packages Projects Releases Wiki Activity

Console is attached and compiles

Browse Source
This commit is contained in:
Nadja Reitzenstein 2022-06-21 22:23:55 +02:00
parent 35c9f45f6d
commit 287ca9806d
13 changed files with 2008 additions and 372 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

538
Cargo.lock generated
View File

File diff suppressed because it is too large Load Diff

7
Cargo.toml
View File

@ -49,6 +49,7 @@ dirs = "4.0.0"
# Runtime
executor = { path = "runtime/executor" }
console = { path = "runtime/console" }
# Catch&Handle POSIX process signals
signal-hook = "0.3.13"
@ -72,9 +73,9 @@ rust-argon2 = "0.8.3"
rand = "0.8.4"
# Async aware logging and tracing
tracing = "0.1.28"
tracing-subscriber = { version = "0.2.25", features = ["env-filter"] }
tracing-futures = { version = "0.2.5", features = ["futures-03"] }
tracing = "0.1"
tracing-subscriber = { version = "0.3", features = ["env-filter", "registry", "std"] }
tracing-futures = { version = "0.2", features = ["futures-03"] }
# API
api = { path = "api" }

7
bffhd/lib.rs
View File

@ -76,7 +76,7 @@ pub static RESOURCES: OnceCell<ResourcesHandle> = OnceCell::new();
impl Diflouroborane {
pub fn new(config: Config) -> miette::Result<Self> {
logging::init(&config.logging);
let mut server = logging::init(&config.logging);
tracing::info!(version = env::VERSION, "Starting BFFH");
let span = tracing::info_span!("setup");
@ -84,6 +84,11 @@ impl Diflouroborane {
let executor = Executor::new();
if let Some(aggregator) = server.aggregator.take() {
executor.spawn(aggregator.run());
}
executor.spawn(server.serve());
let env = StateDB::open_env(&config.db_path)?;
let statedb = StateDB::create_with_env(env.clone())?;

25
bffhd/logging.rs
View File

@ -1,6 +1,7 @@
use tracing_subscriber::EnvFilter;
use serde::{Deserialize, Serialize};
use tracing_subscriber::prelude::*;
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct LogConfig {
@ -24,21 +25,25 @@ impl Default for LogConfig {
}
}
pub fn init(config: &LogConfig) {
pub fn init(config: &LogConfig) -> console::Server {
let (console, server) = console::ConsoleLayer::new();
let filter = if let Some(ref filter) = config.filter {
EnvFilter::new(filter.as_str())
} else {
EnvFilter::from_env("BFFH_LOG")
};
let builder = tracing_subscriber::fmt().with_env_filter(filter);
let format = &config.format;
// TODO: Restore output format settings being settable
let fmt_layer = tracing_subscriber::fmt::layer().with_filter(filter);
let format = config.format.to_lowercase();
match format.as_str() {
"compact" => builder.compact().init(),
"pretty" => builder.pretty().init(),
"full" => builder.init(),
_ => builder.init(),
}
tracing::info!(format = format.as_str(), "Logging initialized")
tracing_subscriber::registry()
.with(fmt_layer)
.with(console)
.init();
tracing::info!(format = format.as_str(), "Logging initialized");
server
}

5
runtime/console/Cargo.toml
View File

@ -24,4 +24,7 @@ async-io = "1.7"
tokio-util = "0.7"
futures-util = "0.3"
tokio = { version = "1.19", default_features = false, features = []}
hdrhistogram = "7.5"
hdrhistogram = "7.5"
[dev-dependencies]
tracing-subscriber = "0.3"

168
runtime/console/src/aggregate.rs
View File

@ -1,35 +1,24 @@
use crate::id_map::{IdMap, ToProto};
use crate::server::{Watch, WatchRequest};
use crate::stats::TimeAnchor;
use crate::Event;
use crate::stats::{TimeAnchor, Unsent};
use crate::{server, stats};
use crate::{Event, Shared};
use console_api::{async_ops, instrument, resources, tasks};
use crossbeam_channel::{Receiver, TryRecvError};
use futures_util::{FutureExt, StreamExt};
use std::collections::HashMap;
use std::num::NonZeroU64;
use std::sync::atomic::AtomicBool;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Arc;
use std::time::{Duration, Instant};
use tracing::span;
use tracing_core::Metadata;
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
pub(crate) struct Id(NonZeroU64);
impl Id {
pub fn from_non_zero_u64(u: NonZeroU64) -> Self {
Self(u)
}
}
impl Into<console_api::Id> for Id {
fn into(self) -> console_api::Id {
console_api::Id { id: self.0.into() }
}
}
#[derive(Debug)]
struct Resource {
id: Id,
id: span::Id,
is_dirty: AtomicBool,
parent_id: Option<Id>,
parent_id: Option<span::Id>,
metadata: &'static Metadata<'static>,
concrete_type: String,
kind: resources::resource::Kind,
@ -38,36 +27,114 @@ struct Resource {
}
/// Represents static data for tasks
#[derive(Debug)]
struct Task {
id: Id,
id: span::Id,
is_dirty: AtomicBool,
metadata: &'static Metadata<'static>,
fields: Vec<console_api::Field>,
location: Option<console_api::Location>,
}
#[derive(Debug)]
struct AsyncOp {
id: Id,
id: span::Id,
is_dirty: AtomicBool,
parent_id: Option<Id>,
resource_id: Id,
parent_id: Option<span::Id>,
resource_id: span::Id,
metadata: &'static Metadata<'static>,
source: String,
}
impl ToProto for Task {
type Output = tasks::Task;
fn to_proto(&self, _: &stats::TimeAnchor) -> Self::Output {
tasks::Task {
id: Some(self.id.clone().into()),
// TODO: more kinds of tasks...
kind: tasks::task::Kind::Spawn as i32,
metadata: Some(self.metadata.into()),
parents: Vec::new(), // TODO: implement parents nicely
fields: self.fields.clone(),
location: self.location.clone(),
}
}
}
impl Unsent for Task {
fn take_unsent(&self) -> bool {
self.is_dirty.swap(false, Ordering::AcqRel)
}
fn is_unsent(&self) -> bool {
self.is_dirty.load(Ordering::Acquire)
}
}
impl ToProto for Resource {
type Output = resources::Resource;
fn to_proto(&self, _: &stats::TimeAnchor) -> Self::Output {
resources::Resource {
id: Some(self.id.clone().into()),
parent_resource_id: self.parent_id.clone().map(Into::into),
kind: Some(self.kind.clone()),
metadata: Some(self.metadata.into()),
concrete_type: self.concrete_type.clone(),
location: self.location.clone(),
is_internal: self.is_internal,
}
}
}
impl Unsent for Resource {
fn take_unsent(&self) -> bool {
self.is_dirty.swap(false, Ordering::AcqRel)
}
fn is_unsent(&self) -> bool {
self.is_dirty.load(Ordering::Acquire)
}
}
impl ToProto for AsyncOp {
type Output = async_ops::AsyncOp;
fn to_proto(&self, _: &stats::TimeAnchor) -> Self::Output {
async_ops::AsyncOp {
id: Some(self.id.clone().into()),
metadata: Some(self.metadata.into()),
resource_id: Some(self.resource_id.clone().into()),
source: self.source.clone(),
parent_async_op_id: self.parent_id.clone().map(Into::into),
}
}
}
impl Unsent for AsyncOp {
fn take_unsent(&self) -> bool {
self.is_dirty.swap(false, Ordering::AcqRel)
}
fn is_unsent(&self) -> bool {
self.is_dirty.load(Ordering::Acquire)
}
}
#[derive(Copy, Clone, Eq, PartialEq)]
pub(crate) enum Include {
All,
UpdatedOnly,
}
type IdMap<T> = std::collections::HashMap<Id, T>;
pub(crate) struct Aggregator {
#[derive(Debug)]
pub struct Aggregator {
shared: Arc<Shared>,
events: Receiver<Event>,
rpcs: async_channel::Receiver<server::Command>,
watchers: Vec<Watch<instrument::Update>>,
details_watchers: IdMap<Vec<Watch<tasks::TaskDetails>>>,
details_watchers: HashMap<span::Id, Vec<Watch<tasks::TaskDetails>>>,
all_metadata: Vec<console_api::register_metadata::NewMetadata>,
new_metadata: Vec<console_api::register_metadata::NewMetadata>,
running: bool,
@ -83,23 +150,28 @@ pub(crate) struct Aggregator {
}
impl Aggregator {
pub fn new(events: Receiver<Event>, rpcs: async_channel::Receiver<server::Command>) -> Self {
pub(crate) fn new(
shared: Arc<Shared>,
events: Receiver<Event>,
rpcs: async_channel::Receiver<server::Command>,
) -> Self {
Self {
shared,
events,
rpcs,
watchers: Vec::new(),
details_watchers: IdMap::new(),
details_watchers: HashMap::default(),
running: true,
publish_interval: Duration::from_secs(1),
all_metadata: Vec::new(),
new_metadata: Vec::new(),
base_time: TimeAnchor::new(),
tasks: IdMap::new(),
task_stats: IdMap::new(),
resources: IdMap::new(),
resource_stats: IdMap::new(),
async_ops: IdMap::new(),
async_op_stats: IdMap::new(),
tasks: IdMap::default(),
task_stats: IdMap::default(),
resources: IdMap::default(),
resource_stats: IdMap::default(),
async_ops: IdMap::default(),
async_op_stats: IdMap::default(),
poll_ops: Vec::new(),
}
}
@ -163,15 +235,32 @@ impl Aggregator {
}
fn task_update(&mut self, include: Include) -> tasks::TaskUpdate {
todo!()
tasks::TaskUpdate {
new_tasks: self.tasks.as_proto_list(include, &self.base_time),
stats_update: self.task_stats.as_proto(include, &self.base_time),
dropped_events: self.shared.dropped_tasks.swap(0, Ordering::AcqRel) as u64,
}
}
fn resource_update(&mut self, include: Include) -> resources::ResourceUpdate {
todo!()
let new_poll_ops = match include {
Include::All => self.poll_ops.clone(),
Include::UpdatedOnly => std::mem::take(&mut self.poll_ops),
};
resources::ResourceUpdate {
new_resources: self.resources.as_proto_list(include, &self.base_time),
stats_update: self.resource_stats.as_proto(include, &self.base_time),
new_poll_ops,
dropped_events: self.shared.dropped_resources.swap(0, Ordering::AcqRel) as u64,
}
}
fn async_op_update(&mut self, include: Include) -> async_ops::AsyncOpUpdate {
todo!()
async_ops::AsyncOpUpdate {
new_async_ops: self.async_ops.as_proto_list(include, &self.base_time),
stats_update: self.async_op_stats.as_proto(include, &self.base_time),
dropped_events: self.shared.dropped_async_ops.swap(0, Ordering::AcqRel) as u64,
}
}
pub async fn run(mut self) {
@ -210,7 +299,6 @@ impl Aggregator {
// exited. that would result in a busy-loop. instead, we only want
// to be woken when the flush interval has elapsed, or when the
// channel is almost full.
let mut drained = false;
while let Ok(event) = self.events.try_recv() {
self.update_state(event);
}

85
runtime/console/src/attribute.rs
View File

@ -1,11 +1,94 @@
use crate::aggregate::Id;
use std::collections::HashMap;
use tracing_core::span::Id;
#[derive(Debug, Default)]
pub(crate) struct Attributes {
attributes: HashMap<FieldKey, console_api::Attribute>,
}
impl Attributes {
pub(crate) fn values(&self) -> impl Iterator<Item = &console_api::Attribute> {
self.attributes.values()
}
pub(crate) fn update(&mut self, id: &Id, update: &Update) {
let field_name = match update.field.name.as_ref() {
Some(name) => name.clone(),
None => {
tracing::warn!(?update.field, "field missing name, skipping...");
return;
}
};
let update_id = id.clone();
let key = FieldKey {
update_id,
field_name,
};
self.attributes
.entry(key)
.and_modify(|attr| update_attribute(attr, update))
.or_insert_with(|| update.clone().into());
}
}
fn update_attribute(attribute: &mut console_api::Attribute, update: &Update) {
use console_api::field::Value::*;
let attribute_val = attribute.field.as_mut().and_then(|a| a.value.as_mut());
let update_val = update.field.value.clone();
let update_name = update.field.name.clone();
match (attribute_val, update_val) {
(Some(BoolVal(v)), Some(BoolVal(upd))) => *v = upd,
(Some(StrVal(v)), Some(StrVal(upd))) => *v = upd,
(Some(DebugVal(v)), Some(DebugVal(upd))) => *v = upd,
(Some(U64Val(v)), Some(U64Val(upd))) => match update.op {
Some(UpdateOp::Add) => *v = v.saturating_add(upd),
Some(UpdateOp::Sub) => *v = v.saturating_sub(upd),
Some(UpdateOp::Override) => *v = upd,
None => tracing::warn!(
"numeric attribute update {:?} needs to have an op field",
update_name
),
},
(Some(I64Val(v)), Some(I64Val(upd))) => match update.op {
Some(UpdateOp::Add) => *v = v.saturating_add(upd),
Some(UpdateOp::Sub) => *v = v.saturating_sub(upd),
Some(UpdateOp::Override) => *v = upd,
None => tracing::warn!(
"numeric attribute update {:?} needs to have an op field",
update_name
),
},
(val, update) => {
tracing::warn!(
"attribute {:?} cannot be updated by update {:?}",
val,
update
);
}
}
}
impl From<Update> for console_api::Attribute {
fn from(upd: Update) -> Self {
console_api::Attribute {
field: Some(upd.field),
unit: upd.unit,
}
}
}
#[derive(Debug, Clone)]
pub(crate) struct Update {
pub(crate) field: console_api::Field,

43
runtime/console/src/event.rs
View File

@ -1,21 +1,21 @@
use crate::aggregate::Id;
use crate::stats;
use console_api::resources;
use std::sync::Arc;
use tracing::span;
use tracing_core::Metadata;
pub(crate) enum Event {
Metadata(&'static Metadata<'static>),
Spawn {
id: Id,
id: span::Id,
metadata: &'static Metadata<'static>,
stats: Arc<stats::TaskStats>,
fields: Vec<console_api::Field>,
location: Option<console_api::Location>,
},
Resource {
id: Id,
parent_id: Option<Id>,
id: span::Id,
parent_id: Option<span::Id>,
metadata: &'static Metadata<'static>,
concrete_type: String,
kind: resources::resource::Kind,
@ -25,19 +25,42 @@ pub(crate) enum Event {
},
PollOp {
metadata: &'static Metadata<'static>,
resource_id: Id,
resource_id: span::Id,
op_name: String,
async_op_id: Id,
task_id: Id,
async_op_id: span::Id,
task_id: span::Id,
is_ready: bool,
},
AsyncResourceOp {
id: Id,
parent_id: Option<Id>,
resource_id: Id,
id: span::Id,
parent_id: Option<span::Id>,
resource_id: span::Id,
metadata: &'static Metadata<'static>,
source: String,
stats: Arc<stats::AsyncOpStats>,
},
}
#[derive(Clone, Debug, Copy)]
pub(crate) enum WakeOp {
Wake { self_wake: bool },
WakeByRef { self_wake: bool },
Clone,
Drop,
}
impl WakeOp {
/// Returns `true` if `self` is a `Wake` or `WakeByRef` event.
pub(crate) fn is_wake(self) -> bool {
matches!(self, Self::Wake { .. } | Self::WakeByRef { .. })
}
pub(crate) fn self_wake(self, self_wake: bool) -> Self {
match self {
Self::Wake { .. } => Self::Wake { self_wake },
Self::WakeByRef { .. } => Self::WakeByRef { self_wake },
x => x,
}
}
}

126
runtime/console/src/id_map.rs Normal file
View File

@ -0,0 +1,126 @@
use crate::aggregate::Include;
use crate::stats::{DroppedAt, TimeAnchor, Unsent};
use std::collections::HashMap;
use std::time::{Duration, Instant};
use tracing_core::span::Id;
pub(crate) trait ToProto {
type Output;
fn to_proto(&self, base_time: &TimeAnchor) -> Self::Output;
}
#[derive(Debug)]
pub(crate) struct IdMap<T> {
data: HashMap<Id, T>,
}
impl<T> Default for IdMap<T> {
fn default() -> Self {
IdMap {
data: HashMap::<Id, T>::new(),
}
}
}
impl<T: Unsent> IdMap<T> {
pub(crate) fn insert(&mut self, id: Id, data: T) {
self.data.insert(id, data);
}
pub(crate) fn since_last_update(&mut self) -> impl Iterator<Item = (&Id, &mut T)> {
self.data.iter_mut().filter_map(|(id, data)| {
if data.take_unsent() {
Some((id, data))
} else {
None
}
})
}
pub(crate) fn all(&self) -> impl Iterator<Item = (&Id, &T)> {
self.data.iter()
}
pub(crate) fn get(&self, id: &Id) -> Option<&T> {
self.data.get(id)
}
pub(crate) fn as_proto_list(
&mut self,
include: Include,
base_time: &TimeAnchor,
) -> Vec<T::Output>
where
T: ToProto,
{
match include {
Include::UpdatedOnly => self
.since_last_update()
.map(|(_, d)| d.to_proto(base_time))
.collect(),
Include::All => self.all().map(|(_, d)| d.to_proto(base_time)).collect(),
}
}
pub(crate) fn as_proto(
&mut self,
include: Include,
base_time: &TimeAnchor,
) -> HashMap<u64, T::Output>
where
T: ToProto,
{
match include {
Include::UpdatedOnly => self
.since_last_update()
.map(|(id, d)| (id.into_u64(), d.to_proto(base_time)))
.collect(),
Include::All => self
.all()
.map(|(id, d)| (id.into_u64(), d.to_proto(base_time)))
.collect(),
}
}
pub(crate) fn drop_closed<R: DroppedAt + Unsent>(
&mut self,
stats: &mut IdMap<R>,
now: Instant,
retention: Duration,
has_watchers: bool,
) {
let _span = tracing::debug_span!(
"drop_closed",
entity = %std::any::type_name::<T>(),
stats = %std::any::type_name::<R>(),
)
.entered();
// drop closed entities
tracing::trace!(?retention, has_watchers, "dropping closed");
stats.data.retain(|id, stats| {
if let Some(dropped_at) = stats.dropped_at() {
let dropped_for = now.checked_duration_since(dropped_at).unwrap_or_default();
let dirty = stats.is_unsent();
let should_drop =
// if there are any clients watching, retain all dirty tasks regardless of age
(dirty && has_watchers)
|| dropped_for > retention;
tracing::trace!(
stats.id = ?id,
stats.dropped_at = ?dropped_at,
stats.dropped_for = ?dropped_for,
stats.dirty = dirty,
should_drop,
);
return !should_drop;
}
true
});
// drop closed entities which no longer have stats.
self.data.retain(|id, _| stats.data.contains_key(id));
}
}

357
runtime/console/src/lib.rs
View File

@ -1,31 +1,39 @@
use crossbeam_channel::{Sender, TrySendError};
use std::any::TypeId;
use std::borrow::Borrow;
use std::cell::RefCell;
use std::net::IpAddr;
use std::sync::atomic::{AtomicUsize, Ordering};
use std::sync::Arc;
use std::time::{Duration, Instant};
use thread_local::ThreadLocal;
use tracing_core::span::{Attributes, Id, Record};
use tracing_core::{Interest, LevelFilter, Metadata, Subscriber};
use tracing_subscriber::filter::Filtered;
use tracing_subscriber::layer::{Context, Filter, Layered};
use tracing_subscriber::registry::LookupSpan;
use tracing::span;
use tracing_core::span::Attributes;
use tracing_core::{Interest, Metadata, Subscriber};
use tracing_subscriber::layer::{Context, Filter};
use tracing_subscriber::registry::{LookupSpan, SpanRef};
use tracing_subscriber::Layer;
mod aggregate;
mod attribute;
mod callsites;
mod event;
mod id_map;
mod server;
mod stack;
mod stats;
mod visitors;
use crate::aggregate::Aggregator;
use crate::callsites::Callsites;
use crate::visitors::{
AsyncOpVisitor, PollOpVisitor, ResourceVisitor, ResourceVisitorResult, StateUpdateVisitor,
TaskVisitor, WakerVisitor,
};
use event::Event;
pub use server::Server;
use stack::SpanStack;
#[derive(Debug)]
pub struct ConsoleLayer {
current_spans: ThreadLocal<RefCell<SpanStack>>,
@ -34,6 +42,34 @@ pub struct ConsoleLayer {
spawn_callsites: Callsites<8>,
waker_callsites: Callsites<8>,
resource_callsites: Callsites<8>,
/// Set of callsites for spans representing async operations on resources
///
/// TODO: Take some time to determine more reasonable numbers
async_op_callsites: Callsites<32>,
/// Set of callsites for spans representing async op poll operations
///
/// TODO: Take some time to determine more reasonable numbers
async_op_poll_callsites: Callsites<32>,
/// Set of callsites for events representing poll operation invocations on resources
///
/// TODO: Take some time to determine more reasonable numbers
poll_op_callsites: Callsites<32>,
/// Set of callsites for events representing state attribute state updates on resources
///
/// TODO: Take some time to determine more reasonable numbers
resource_state_update_callsites: Callsites<32>,
/// Set of callsites for events representing state attribute state updates on async resource ops
///
/// TODO: Take some time to determine more reasonable numbers
async_op_state_update_callsites: Callsites<32>,
max_poll_duration_nanos: u64,
}
#[derive(Debug)]
@ -50,6 +86,8 @@ pub struct Builder {
event_buffer_capacity: usize,
client_buffer_capacity: usize,
poll_duration_max: Duration,
}
impl Builder {
pub fn build(self) -> (ConsoleLayer, Server) {
@ -64,6 +102,7 @@ impl Default for Builder {
server_port: Server::DEFAULT_PORT,
event_buffer_capacity: ConsoleLayer::DEFAULT_EVENT_BUFFER_CAPACITY,
client_buffer_capacity: 1024,
poll_duration_max: ConsoleLayer::DEFAULT_POLL_DURATION_MAX,
}
}
}
@ -72,6 +111,7 @@ impl Default for Builder {
struct Shared {
dropped_tasks: AtomicUsize,
dropped_resources: AtomicUsize,
dropped_async_ops: AtomicUsize,
}
impl ConsoleLayer {
@ -91,7 +131,7 @@ impl ConsoleLayer {
let (tx, events) = crossbeam_channel::bounded(config.event_buffer_capacity);
let shared = Arc::new(Shared::default());
let (subscribe, rpcs) = async_channel::bounded(config.client_buffer_capacity);
let aggregator = Aggregator::new(events, rpcs);
let aggregator = Aggregator::new(shared.clone(), events, rpcs);
let server = Server::new(aggregator, config.client_buffer_capacity, subscribe);
let layer = Self {
current_spans: ThreadLocal::new(),
@ -99,6 +139,13 @@ impl ConsoleLayer {
shared,
spawn_callsites: Callsites::default(),
waker_callsites: Callsites::default(),
resource_callsites: Callsites::default(),
async_op_callsites: Callsites::default(),
async_op_poll_callsites: Callsites::default(),
poll_op_callsites: Callsites::default(),
resource_state_update_callsites: Callsites::default(),
async_op_state_update_callsites: Callsites::default(),
max_poll_duration_nanos: config.poll_duration_max.as_nanos() as u64,
};
(layer, server)
@ -109,6 +156,14 @@ impl ConsoleLayer {
const DEFAULT_EVENT_BUFFER_CAPACITY: usize = 1024;
const DEFAULT_CLIENT_BUFFER_CAPACITY: usize = 1024;
/// The default maximum value for task poll duration histograms.
///
/// Any poll duration exceeding this will be clamped to this value. By
/// default, the maximum poll duration is one second.
///
/// See also [`Builder::poll_duration_histogram_max`].
pub const DEFAULT_POLL_DURATION_MAX: Duration = Duration::from_secs(1);
fn is_spawn(&self, metadata: &Metadata<'static>) -> bool {
self.spawn_callsites.contains(metadata)
}
@ -117,6 +172,54 @@ impl ConsoleLayer {
self.waker_callsites.contains(metadata)
}
fn is_resource(&self, meta: &'static Metadata<'static>) -> bool {
self.resource_callsites.contains(meta)
}
fn is_async_op(&self, meta: &'static Metadata<'static>) -> bool {
self.async_op_callsites.contains(meta)
}
fn is_id_spawned<S>(&self, id: &span::Id, cx: &Context<'_, S>) -> bool
where
S: Subscriber + for<'a> LookupSpan<'a>,
{
cx.span(id)
.map(|span| self.is_spawn(span.metadata()))
.unwrap_or(false)
}
fn is_id_resource<S>(&self, id: &span::Id, cx: &Context<'_, S>) -> bool
where
S: Subscriber + for<'a> LookupSpan<'a>,
{
cx.span(id)
.map(|span| self.is_resource(span.metadata()))
.unwrap_or(false)
}
fn is_id_async_op<S>(&self, id: &span::Id, cx: &Context<'_, S>) -> bool
where
S: Subscriber + for<'a> LookupSpan<'a>,
{
cx.span(id)
.map(|span| self.is_async_op(span.metadata()))
.unwrap_or(false)
}
fn first_entered<P>(&self, stack: &SpanStack, p: P) -> Option<span::Id>
where
P: Fn(&span::Id) -> bool,
{
stack
.stack()
.iter()
.rev()
.find(|id| p(id.id()))
.map(|id| id.id())
.cloned()
}
fn send_stats<S>(
&self,
dropped: &AtomicUsize,
@ -157,6 +260,30 @@ where
self.waker_callsites.insert(metadata);
&self.shared.dropped_tasks
}
(ResourceVisitor::RES_SPAN_NAME, _) => {
self.resource_callsites.insert(metadata);
&self.shared.dropped_resources
}
(AsyncOpVisitor::ASYNC_OP_SPAN_NAME, _) => {
self.async_op_callsites.insert(metadata);
&self.shared.dropped_async_ops
}
("runtime.resource.async_op.poll", _) => {
self.async_op_poll_callsites.insert(metadata);
&self.shared.dropped_async_ops
}
(_, PollOpVisitor::POLL_OP_EVENT_TARGET) => {
self.poll_op_callsites.insert(metadata);
&self.shared.dropped_async_ops
}
(_, StateUpdateVisitor::RE_STATE_UPDATE_EVENT_TARGET) => {
self.resource_state_update_callsites.insert(metadata);
&self.shared.dropped_resources
}
(_, StateUpdateVisitor::AO_STATE_UPDATE_EVENT_TARGET) => {
self.async_op_state_update_callsites.insert(metadata);
&self.shared.dropped_async_ops
}
(_, _) => &self.shared.dropped_tasks,
};
@ -164,13 +291,215 @@ where
Interest::always()
}
}
#[cfg(test)]
mod tests {
#[test]
fn it_works() {
let result = 2 + 2;
assert_eq!(result, 4);
fn on_new_span(&self, attrs: &Attributes<'_>, id: &span::Id, ctx: Context<'_, S>) {
let metadata = attrs.metadata();
if self.is_spawn(metadata) {
let at = Instant::now();
let mut task_visitor = TaskVisitor::new(metadata.into());
attrs.record(&mut task_visitor);
let (fields, location) = task_visitor.result();
if let Some(stats) = self.send_stats(&self.shared.dropped_tasks, move || {
let stats = Arc::new(stats::TaskStats::new(self.max_poll_duration_nanos, at));
let event = Event::Spawn {
id: id.clone(),
stats: stats.clone(),
metadata,
fields,
location,
};
(event, stats)
}) {
ctx.span(id)
.expect("`on_new_span` called with nonexistent span. This is a tracing bug.");
}
} else if self.is_resource(metadata) {
let at = Instant::now();
let mut resource_visitor = ResourceVisitor::default();
attrs.record(&mut resource_visitor);
if let Some(result) = resource_visitor.result() {
let ResourceVisitorResult {
concrete_type,
kind,
location,
is_internal,
inherit_child_attrs,
} = result;
let parent_id = self.current_spans.get().and_then(|stack| {
self.first_entered(&stack.borrow(), |id| self.is_id_resource(id, &ctx))
});
if let Some(stats) = self.send_stats(&self.shared.dropped_resources, move || {
let stats = Arc::new(stats::ResourceStats::new(
at,
inherit_child_attrs,
parent_id.clone(),
));
let event = Event::Resource {
id: id.clone(),
parent_id,
metadata,
concrete_type,
kind,
location,
is_internal,
stats: stats.clone(),
};
(event, stats)
}) {
ctx.span(id).expect("if `on_new_span` was called, the span must exist; this is a `tracing` bug!").extensions_mut().insert(stats);
}
}
} else if self.is_async_op(metadata) {
let at = Instant::now();
let mut async_op_visitor = AsyncOpVisitor::default();
attrs.record(&mut async_op_visitor);
if let Some((source, inherit_child_attrs)) = async_op_visitor.result() {
let resource_id = self.current_spans.get().and_then(|stack| {
self.first_entered(&stack.borrow(), |id| self.is_id_resource(id, &ctx))
});
let parent_id = self.current_spans.get().and_then(|stack| {
self.first_entered(&stack.borrow(), |id| self.is_id_async_op(id, &ctx))
});
if let Some(resource_id) = resource_id {
if let Some(stats) =
self.send_stats(&self.shared.dropped_async_ops, move || {
let stats = Arc::new(stats::AsyncOpStats::new(
at,
inherit_child_attrs,
parent_id.clone(),
));
let event = Event::AsyncResourceOp {
id: id.clone(),
parent_id,
resource_id,
metadata,
source,
stats: stats.clone(),
};
(event, stats)
})
{
ctx.span(id).expect("if `on_new_span` was called, the span must exist; this is a `tracing` bug!").extensions_mut().insert(stats);
}
}
}
}
}
fn on_event(&self, event: &tracing::Event<'_>, ctx: Context<'_, S>) {
let metadata = event.metadata();
if self.waker_callsites.contains(metadata) {
let at = Instant::now();
let mut visitor = WakerVisitor::default();
event.record(&mut visitor);
if let Some((id, mut op)) = visitor.result() {
if let Some(span) = ctx.span(&id) {
let exts = span.extensions();
if let Some(stats) = exts.get::<Arc<stats::TaskStats>>() {
if op.is_wake() {
let self_wake = self
.current_spans
.get()
.map(|spans| spans.borrow().iter().any(|span| span == &id))
.unwrap_or(false);
op = op.self_wake(self_wake);
}
stats.record_wake_op(op, at);
}
}
}
}
}
fn on_enter(&self, id: &span::Id, cx: Context<'_, S>) {
fn update<S: Subscriber + for<'a> LookupSpan<'a>>(
span: &SpanRef<S>,
at: Option<Instant>,
) -> Option<Instant> {
let exts = span.extensions();
// if the span we are entering is a task or async op, record the
// poll stats.
if let Some(stats) = exts.get::<Arc<stats::TaskStats>>() {
let at = at.unwrap_or_else(Instant::now);
stats.start_poll(at);
Some(at)
} else if let Some(stats) = exts.get::<Arc<stats::AsyncOpStats>>() {
let at = at.unwrap_or_else(Instant::now);
stats.start_poll(at);
Some(at)
// otherwise, is the span a resource? in that case, we also want
// to enter it, although we don't care about recording poll
// stats.
} else if exts.get::<Arc<stats::ResourceStats>>().is_some() {
Some(at.unwrap_or_else(Instant::now))
} else {
None
}
}
if let Some(span) = cx.span(id) {
if let Some(now) = update(&span, None) {
if let Some(parent) = span.parent() {
update(&parent, Some(now));
}
self.current_spans
.get_or_default()
.borrow_mut()
.push(id.clone());
}
}
}
fn on_exit(&self, id: &span::Id, cx: Context<'_, S>) {
fn update<S: Subscriber + for<'a> LookupSpan<'a>>(
span: &SpanRef<S>,
at: Option<Instant>,
) -> Option<Instant> {
let exts = span.extensions();
// if the span we are entering is a task or async op, record the
// poll stats.
if let Some(stats) = exts.get::<Arc<stats::TaskStats>>() {
let at = at.unwrap_or_else(Instant::now);
stats.end_poll(at);
Some(at)
} else if let Some(stats) = exts.get::<Arc<stats::AsyncOpStats>>() {
let at = at.unwrap_or_else(Instant::now);
stats.end_poll(at);
Some(at)
// otherwise, is the span a resource? in that case, we also want
// to enter it, although we don't care about recording poll
// stats.
} else if exts.get::<Arc<stats::ResourceStats>>().is_some() {
Some(at.unwrap_or_else(Instant::now))
} else {
None
}
}
if let Some(span) = cx.span(id) {
if let Some(now) = update(&span, None) {
if let Some(parent) = span.parent() {
update(&parent, Some(now));
}
self.current_spans.get_or_default().borrow_mut().pop(id);
}
}
}
fn on_close(&self, id: span::Id, cx: Context<'_, S>) {
if let Some(span) = cx.span(&id) {
let now = Instant::now();
let exts = span.extensions();
if let Some(stats) = exts.get::<Arc<stats::TaskStats>>() {
stats.drop_task(now);
} else if let Some(stats) = exts.get::<Arc<stats::AsyncOpStats>>() {
stats.drop_async_op(now);
} else if let Some(stats) = exts.get::<Arc<stats::ResourceStats>>() {
stats.drop_resource(now);
}
}
}
}

30
runtime/console/src/server.rs
View File

@ -1,19 +1,21 @@
use crate::aggregate::Id;
use crate::Aggregator;
use async_channel::{Receiver, Sender};
use async_compat::CompatExt;
use console_api::instrument;
use console_api::instrument::instrument_server::{Instrument, InstrumentServer};
use console_api::tasks;
use futures_util::TryStreamExt;
use std::error::Error;
use std::future::Future;
use std::io::IoSlice;
use std::net::{IpAddr, Ipv6Addr, SocketAddr};
use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr};
use std::pin::Pin;
use std::task::{Context, Poll};
use tokio::io::AsyncRead as TokioAsyncRead;
use tokio::io::{AsyncWrite as TokioAsyncWrite, ReadBuf};
use tonic::transport::server::Connected;
use tonic::Status;
use tracing_core::span::Id;
struct StreamWrapper<T>(T);
impl<T> Connected for StreamWrapper<T> {
@ -68,14 +70,16 @@ impl<T: TokioAsyncRead + Unpin> TokioAsyncRead for StreamWrapper<T> {
}
}
#[derive(Debug)]
pub struct Server {
aggregator: Aggregator,
pub aggregator: Option<Aggregator>,
client_buffer_size: usize,
subscribe: Sender<Command>,
}
impl Server {
pub(crate) const DEFAULT_ADDR: IpAddr = IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1));
//pub(crate) const DEFAULT_ADDR: IpAddr = IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1));
pub(crate) const DEFAULT_ADDR: IpAddr = IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1));
pub(crate) const DEFAULT_PORT: u16 = 49289;
pub(crate) fn new(
@ -83,15 +87,14 @@ impl Server {
client_buffer_size: usize,
subscribe: Sender<Command>,
) -> Self {
let subscribe = todo!();
Self {
aggregator,
aggregator: Some(aggregator),
client_buffer_size,
subscribe,
}
}
pub(crate) async fn serve(
pub async fn serve(
mut self, /*, incoming: I */
) -> Result<(), Box<dyn Error + Send + Sync + 'static>> {
// TODO: Spawn two tasks; the aggregator that's collecting stats, aggregating and
@ -99,16 +102,10 @@ impl Server {
let svc = InstrumentServer::new(self);
// The gRPC server task; requires a `Stream` of `tokio::AsyncRead + tokio::AsyncWrite`.
let listener =
async_net::TcpListener::bind(SocketAddr::new(Self::DEFAULT_ADDR, Self::DEFAULT_PORT))
.await?;
let incoming = listener
.incoming()
.map_ok(|stream| StreamWrapper(async_compat::Compat::new(stream)));
tonic::transport::Server::builder()
.add_service(svc)
.serve_with_incoming(incoming)
.serve(SocketAddr::new(Self::DEFAULT_ADDR, Self::DEFAULT_PORT))
.compat()
.await?;
// TODO: Kill the aggregator task if the serve task has ended.
@ -117,6 +114,7 @@ impl Server {
}
}
#[derive(Debug)]
pub(crate) struct Watch<T>(pub(crate) Sender<Result<T, tonic::Status>>);
impl<T: Clone> Watch<T> {
pub fn update(&self, update: &T) -> bool {
@ -124,12 +122,14 @@ impl<T: Clone> Watch<T> {
}
}
#[derive(Debug)]
pub(crate) struct WatchRequest<T> {
pub id: Id,
pub stream_sender: async_oneshot::Sender<Receiver<Result<T, tonic::Status>>>,
pub buffer: usize,
}
#[derive(Debug)]
pub(crate) enum Command {
Instrument(Watch<instrument::Update>),
WatchTaskDetail(WatchRequest<tasks::TaskDetails>),

460
runtime/console/src/stats.rs
View File

@ -1,10 +1,62 @@
use crate::aggregate::Id;
use crate::attribute;
use crate::id_map::ToProto;
use crate::{attribute, event};
use crossbeam_utils::atomic::AtomicCell;
use hdrhistogram::serialization::{Serializer, V2Serializer};
use std::sync::atomic::{AtomicBool, AtomicUsize};
use std::sync::Mutex;
use std::cmp;
use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
use std::sync::{Arc, Mutex};
use std::time::{Duration, Instant, SystemTime};
use tracing::span;
/// A type which records whether it has unsent updates.
///
/// If something implementing this trait has been changed since the last time
/// data was sent to a client, it will indicate that it is "dirty". If it has
/// not been changed, it does not have to be included in the current update.
pub(crate) trait Unsent {
/// Returns `true` if this type has unsent updates, and if it does, clears
/// the flag indicating there are unsent updates.
///
/// This is called when filtering which stats need to be included in the
/// current update. If this returns `true`, it will be included, so it
/// becomes no longer dirty.
fn take_unsent(&self) -> bool;
/// Returns `true` if this type has unsent updates, without changing the
/// flag.
fn is_unsent(&self) -> bool;
}
// An entity (e.g Task, Resource) that at some point in
// time can be dropped. This generally refers to spans that
// have been closed indicating that a task, async op or a
// resource is not in use anymore
pub(crate) trait DroppedAt {
fn dropped_at(&self) -> Option<Instant>;
}
impl<T: DroppedAt> DroppedAt for Arc<T> {
fn dropped_at(&self) -> Option<Instant> {
T::dropped_at(self)
}
}
impl<T: Unsent> Unsent for Arc<T> {
fn take_unsent(&self) -> bool {
T::take_unsent(self)
}
fn is_unsent(&self) -> bool {
T::is_unsent(self)
}
}
impl<T: ToProto> ToProto for Arc<T> {
type Output = T::Output;
fn to_proto(&self, base_time: &TimeAnchor) -> T::Output {
T::to_proto(self, base_time)
}
}
/// Anchors an `Instant` with a `SystemTime` timestamp to allow converting
/// monotonic `Instant`s into timestamps that can be sent over the wire.
@ -34,6 +86,10 @@ impl TimeAnchor {
}
}
trait RecordPoll {
fn record_poll_duration(&mut self, duration: Duration);
}
#[derive(Debug, Default)]
struct PollStats<H> {
/// The number of polls in progress
@ -43,6 +99,78 @@ struct PollStats<H> {
timestamps: Mutex<PollTimestamps<H>>,
}
impl<H: RecordPoll> PollStats<H> {
fn start_poll(&self, at: Instant) {
if self.current_polls.fetch_add(1, Ordering::AcqRel) == 0 {
// We are starting the first poll
let mut timestamps = self.timestamps.lock().unwrap();
if timestamps.first_poll.is_none() {
timestamps.first_poll = Some(at);
}
timestamps.last_poll_started = Some(at);
self.polls.fetch_add(1, Ordering::Release);
}
}
fn end_poll(&self, at: Instant) {
// Are we ending the last current poll?
if self.current_polls.fetch_sub(1, Ordering::AcqRel) > 1 {
return;
}
let mut timestamps = self.timestamps.lock().unwrap();
let started = match timestamps.last_poll_started {
Some(last_poll) => last_poll,
None => {
eprintln!(
"a poll ended, but start timestamp was recorded. \
this is probably a `console-subscriber` bug"
);
return;
}
};
timestamps.last_poll_ended = Some(at);
let elapsed = match at.checked_duration_since(started) {
Some(elapsed) => elapsed,
None => {
eprintln!(
"possible Instant clock skew detected: a poll's end timestamp \
was before its start timestamp\nstart = {:?}\n end = {:?}",
started, at
);
return;
}
};
// if we have a poll time histogram, add the timestamp
timestamps.histogram.record_poll_duration(elapsed);
timestamps.busy_time += elapsed;
}
}
impl<H> ToProto for PollStats<H> {
type Output = console_api::PollStats;
fn to_proto(&self, base_time: &TimeAnchor) -> Self::Output {
let timestamps = self.timestamps.lock().unwrap();
console_api::PollStats {
polls: self.polls.load(Ordering::Acquire) as u64,
first_poll: timestamps.first_poll.map(|at| base_time.to_timestamp(at)),
last_poll_started: timestamps
.last_poll_started
.map(|at| base_time.to_timestamp(at)),
last_poll_ended: timestamps
.last_poll_ended
.map(|at| base_time.to_timestamp(at)),
busy_time: Some(timestamps.busy_time.into()),
}
}
}
/// Stats associated with a task.
#[derive(Debug)]
pub(crate) struct TaskStats {
@ -63,6 +191,30 @@ pub(crate) struct TaskStats {
}
impl TaskStats {
pub(crate) fn new(poll_duration_max: u64, created_at: Instant) -> Self {
Self {
is_dirty: AtomicBool::new(true),
is_dropped: AtomicBool::new(false),
created_at,
timestamps: Mutex::new(TaskTimestamps::default()),
poll_stats: PollStats {
timestamps: Mutex::new(PollTimestamps {
histogram: Histogram::new(poll_duration_max),
first_poll: None,
last_poll_started: None,
last_poll_ended: None,
busy_time: Duration::new(0, 0),
}),
current_polls: AtomicUsize::new(0),
polls: AtomicUsize::new(0),
},
wakes: AtomicUsize::new(0),
waker_clones: AtomicUsize::new(0),
waker_drops: AtomicUsize::new(0),
self_wakes: AtomicUsize::new(0),
}
}
pub(crate) fn poll_duration_histogram(
&self,
) -> console_api::tasks::task_details::PollTimesHistogram {
@ -75,6 +227,104 @@ impl TaskStats {
.to_proto();
console_api::tasks::task_details::PollTimesHistogram::Histogram(hist)
}
pub(crate) fn record_wake_op(&self, op: event::WakeOp, at: Instant) {
use event::WakeOp;
match op {
WakeOp::Wake { self_wake } => {
self.waker_drops.fetch_add(1, Ordering::Release);
self.wake(at, self_wake);
}
WakeOp::WakeByRef { self_wake } => {
self.wake(at, self_wake);
}
WakeOp::Clone => {
self.waker_clones.fetch_add(1, Ordering::Release);
}
WakeOp::Drop => {
self.waker_drops.fetch_add(1, Ordering::Release);
}
}
self.make_dirty();
}
fn wake(&self, at: Instant, self_wake: bool) {
let mut timestamps = self.timestamps.lock().unwrap();
timestamps.last_wake = cmp::max(timestamps.last_wake, Some(at));
if self_wake {
self.wakes.fetch_add(1, Ordering::Release);
}
self.wakes.fetch_add(1, Ordering::Release);
}
pub(crate) fn start_poll(&self, at: Instant) {
self.poll_stats.start_poll(at);
self.make_dirty();
}
pub(crate) fn end_poll(&self, at: Instant) {
self.poll_stats.end_poll(at);
self.make_dirty();
}
pub(crate) fn drop_task(&self, dropped_at: Instant) {
if self.is_dropped.swap(true, Ordering::AcqRel) {
// The task was already dropped.
// TODO(eliza): this could maybe panic in debug mode...
return;
}
let mut timestamps = self.timestamps.lock().unwrap();
let _prev = timestamps.dropped_at.replace(dropped_at);
debug_assert_eq!(_prev, None, "tried to drop a task twice; this is a bug!");
self.make_dirty();
}
fn make_dirty(&self) {
self.is_dirty.swap(true, Ordering::AcqRel);
}
}
impl ToProto for TaskStats {
type Output = console_api::tasks::Stats;
fn to_proto(&self, base_time: &TimeAnchor) -> Self::Output {
let poll_stats = Some(self.poll_stats.to_proto(base_time));
let timestamps = self.timestamps.lock().unwrap();
console_api::tasks::Stats {
poll_stats,
created_at: Some(base_time.to_timestamp(self.created_at)),
dropped_at: timestamps.dropped_at.map(|at| base_time.to_timestamp(at)),
wakes: self.wakes.load(Ordering::Acquire) as u64,
waker_clones: self.waker_clones.load(Ordering::Acquire) as u64,
self_wakes: self.self_wakes.load(Ordering::Acquire) as u64,
waker_drops: self.waker_drops.load(Ordering::Acquire) as u64,
last_wake: timestamps.last_wake.map(|at| base_time.to_timestamp(at)),
}
}
}
impl Unsent for TaskStats {
#[inline]
fn take_unsent(&self) -> bool {
self.is_dirty.swap(false, Ordering::AcqRel)
}
fn is_unsent(&self) -> bool {
self.is_dirty.load(Ordering::Acquire)
}
}
impl DroppedAt for TaskStats {
fn dropped_at(&self) -> Option<Instant> {
// avoid acquiring the lock if we know we haven't tried to drop this
// thing yet
if self.is_dropped.load(Ordering::Acquire) {
return self.timestamps.lock().unwrap().dropped_at;
}
None
}
}
/// Stats associated with an async operation.
@ -97,6 +347,98 @@ pub(crate) struct AsyncOpStats {
poll_stats: PollStats<()>,
}
impl AsyncOpStats {
pub(crate) fn new(
created_at: Instant,
inherit_child_attributes: bool,
parent_id: Option<span::Id>,
) -> Self {
Self {
task_id: AtomicCell::new(0),
stats: ResourceStats::new(created_at, inherit_child_attributes, parent_id),
poll_stats: PollStats::default(),
}
}
pub(crate) fn task_id(&self) -> Option<u64> {
let id = self.task_id.load();
if id > 0 {
Some(id as u64)
} else {
None
}
}
pub(crate) fn set_task_id(&self, id: &tracing::span::Id) {
self.task_id.store(id.into_u64());
self.make_dirty();
}
pub(crate) fn drop_async_op(&self, dropped_at: Instant) {
self.stats.drop_resource(dropped_at)
}
pub(crate) fn start_poll(&self, at: Instant) {
self.poll_stats.start_poll(at);
self.make_dirty();
}
pub(crate) fn end_poll(&self, at: Instant) {
self.poll_stats.end_poll(at);
self.make_dirty();
}
#[inline]
fn make_dirty(&self) {
self.stats.make_dirty()
}
}
impl Unsent for AsyncOpStats {
#[inline]
fn take_unsent(&self) -> bool {
self.stats.take_unsent()
}
#[inline]
fn is_unsent(&self) -> bool {
self.stats.is_unsent()
}
}
impl DroppedAt for AsyncOpStats {
fn dropped_at(&self) -> Option<Instant> {
self.stats.dropped_at()
}
}
impl ToProto for AsyncOpStats {
type Output = console_api::async_ops::Stats;
fn to_proto(&self, base_time: &TimeAnchor) -> Self::Output {
let attributes = self
.stats
.attributes
.lock()
.unwrap()
.values()
.cloned()
.collect();
console_api::async_ops::Stats {
poll_stats: Some(self.poll_stats.to_proto(base_time)),
created_at: Some(base_time.to_timestamp(self.stats.created_at)),
dropped_at: self
.stats
.dropped_at
.lock()
.unwrap()
.map(|at| base_time.to_timestamp(at)),
task_id: self.task_id().map(Into::into),
attributes,
}
}
}
/// Stats associated with a resource.
#[derive(Debug)]
pub(crate) struct ResourceStats {
@ -106,7 +448,92 @@ pub(crate) struct ResourceStats {
dropped_at: Mutex<Option<Instant>>,
attributes: Mutex<attribute::Attributes>,
pub(crate) inherit_child_attributes: bool,
pub(crate) parent_id: Option<Id>,
pub(crate) parent_id: Option<span::Id>,
}
impl ResourceStats {
pub(crate) fn new(
created_at: Instant,
inherit_child_attributes: bool,
parent_id: Option<span::Id>,
) -> Self {
Self {
is_dirty: AtomicBool::new(true),
is_dropped: AtomicBool::new(false),
created_at,
dropped_at: Mutex::new(None),
attributes: Default::default(),
inherit_child_attributes,
parent_id,
}
}
pub(crate) fn update_attribute(&self, id: &span::Id, update: &attribute::Update) {
self.attributes.lock().unwrap().update(id, update);
self.make_dirty();
}
#[inline]
pub(crate) fn drop_resource(&self, dropped_at: Instant) {
if self.is_dropped.swap(true, Ordering::AcqRel) {
// The task was already dropped.
// TODO(eliza): this could maybe panic in debug mode...
return;
}
let mut timestamp = self.dropped_at.lock().unwrap();
let _prev = timestamp.replace(dropped_at);
debug_assert_eq!(
_prev, None,
"tried to drop a resource/async op twice; this is a bug!"
);
self.make_dirty();
}
#[inline]
fn make_dirty(&self) {
self.is_dirty.swap(true, Ordering::AcqRel);
}
}
impl Unsent for ResourceStats {
#[inline]
fn take_unsent(&self) -> bool {
self.is_dirty.swap(false, Ordering::AcqRel)
}
fn is_unsent(&self) -> bool {
self.is_dirty.load(Ordering::Acquire)
}
}
impl DroppedAt for ResourceStats {
fn dropped_at(&self) -> Option<Instant> {
// avoid acquiring the lock if we know we haven't tried to drop this
// thing yet
if self.is_dropped.load(Ordering::Acquire) {
return *self.dropped_at.lock().unwrap();
}
None
}
}
impl ToProto for ResourceStats {
type Output = console_api::resources::Stats;
fn to_proto(&self, base_time: &TimeAnchor) -> Self::Output {
let attributes = self.attributes.lock().unwrap().values().cloned().collect();
console_api::resources::Stats {
created_at: Some(base_time.to_timestamp(self.created_at)),
dropped_at: self
.dropped_at
.lock()
.unwrap()
.map(|at| base_time.to_timestamp(at)),
attributes,
}
}
}
#[derive(Debug, Default)]
@ -159,3 +586,26 @@ impl Histogram {
}
}
}
impl RecordPoll for Histogram {
fn record_poll_duration(&mut self, duration: Duration) {
let mut duration_ns = duration.as_nanos() as u64;
// clamp the duration to the histogram's max value
if duration_ns > self.max {
self.outliers += 1;
self.max_outlier = cmp::max(self.max_outlier, Some(duration_ns));
duration_ns = self.max;
}
self.histogram
.record(duration_ns)
.expect("duration has already been clamped to histogram max value")
}
}
impl RecordPoll for () {
fn record_poll_duration(&mut self, _: Duration) {
// do nothing
}
}

529
runtime/console/src/visitors.rs Normal file
View File

@ -0,0 +1,529 @@
use crate::{attribute, event};
use console_api::resources::resource;
use tracing::{field, span};
use tracing_core::field::Visit;
const LOCATION_FILE: &str = "loc.file";
const LOCATION_LINE: &str = "loc.line";
const LOCATION_COLUMN: &str = "loc.col";
const INHERIT_FIELD_NAME: &str = "inherits_child_attrs";
/// Used to extract the fields needed to construct
/// an Event::Resource from the metadata of a tracing span
/// that has the following shape:
///
/// tracing::trace_span!(
/// "runtime.resource",
/// concrete_type = "Sleep",
/// kind = "timer",
/// is_internal = true,
/// inherits_child_attrs = true,
/// );
///
/// Fields:
/// concrete_type - indicates the concrete rust type for this resource
/// kind - indicates the type of resource (i.e. timer, sync, io )
/// is_internal - whether this is a resource type that is not exposed publicly (i.e. BatchSemaphore)
/// inherits_child_attrs - whether this resource should inherit the state attributes of its children
#[derive(Default)]
pub(crate) struct ResourceVisitor {
concrete_type: Option<String>,
kind: Option<resource::Kind>,
is_internal: bool,
inherit_child_attrs: bool,
line: Option<u32>,
file: Option<String>,
column: Option<u32>,
}
pub(crate) struct ResourceVisitorResult {
pub(crate) concrete_type: String,
pub(crate) kind: resource::Kind,
pub(crate) location: Option<console_api::Location>,
pub(crate) is_internal: bool,
pub(crate) inherit_child_attrs: bool,
}
/// Used to extract all fields from the metadata
/// of a tracing span
pub(crate) struct FieldVisitor {
fields: Vec<console_api::Field>,
meta_id: console_api::MetaId,
}
/// Used to extract the fields needed to construct
/// an `Event::Spawn` from the metadata of a tracing span
/// that has the following shape:
///
/// ```
/// tracing::trace_span!(
/// target: "tokio::task",
/// "runtime.spawn",
/// kind = "local",
/// task.name = "some_name",
/// loc.file = "some_file.rs",
/// loc.line = 555,
/// loc.col = 5,
/// );
/// ```
///
/// # Fields
///
/// This visitor has special behavior for `loc.line`, `loc.file`, and `loc.col`
/// fields, which are interpreted as a Rust source code location where the task
/// was spawned, if they are present. Other fields are recorded as arbitrary
/// key-value pairs.
pub(crate) struct TaskVisitor {
field_visitor: FieldVisitor,
line: Option<u32>,
file: Option<String>,
column: Option<u32>,
}
/// Used to extract the fields needed to construct
/// an Event::AsyncOp from the metadata of a tracing span
/// that has the following shape:
///
/// tracing::trace_span!(
/// "runtime.resource.async_op",
/// source = "Sleep::new_timeout",
/// );
///
/// Fields:
/// source - the method which has created an instance of this async operation
#[derive(Default)]
pub(crate) struct AsyncOpVisitor {
source: Option<String>,
inherit_child_attrs: bool,
}
/// Used to extract the fields needed to construct
/// an Event::Waker from the metadata of a tracing span
/// that has the following shape:
///
/// tracing::trace!(
/// target: "tokio::task::waker",
/// op = "waker.clone",
/// task.id = id.into_u64(),
/// );
///
/// Fields:
/// task.id - the id of the task this waker will wake
/// op - the operation associated with this waker event
#[derive(Default)]
pub(crate) struct WakerVisitor {
id: Option<span::Id>,
op: Option<event::WakeOp>,
}
/// Used to extract the fields needed to construct
/// an Event::PollOp from the metadata of a tracing event
/// that has the following shape:
///
/// tracing::trace!(
/// target: "runtime::resource::poll_op",
/// op_name = "poll_elapsed",
/// readiness = "pending"
/// );
///
/// Fields:
/// op_name - the name of this resource poll operation
/// readiness - the result of invoking this poll op, describing its readiness
#[derive(Default)]
pub(crate) struct PollOpVisitor {
op_name: Option<String>,
is_ready: Option<bool>,
}
/// Used to extract the fields needed to construct
/// an Event::StateUpdate from the metadata of a tracing event
/// that has the following shape:
///
/// tracing::trace!(
/// target: "runtime::resource::state_update",
/// duration = duration,
/// duration.unit = "ms",
/// duration.op = "override",
/// );
///
/// Fields:
/// attribute_name - a field value for a field that has the name of the resource attribute being updated
/// value - the value for this update
/// unit - the unit for the value being updated (e.g. ms, s, bytes)
/// op - the operation that this update performs to the value of the resource attribute (one of: ovr, sub, add)
pub(crate) struct StateUpdateVisitor {
meta_id: console_api::MetaId,
field: Option<console_api::Field>,
unit: Option<String>,
op: Option<attribute::UpdateOp>,
}
impl ResourceVisitor {
pub(crate) const RES_SPAN_NAME: &'static str = "runtime.resource";
const RES_CONCRETE_TYPE_FIELD_NAME: &'static str = "concrete_type";
const RES_VIZ_FIELD_NAME: &'static str = "is_internal";
const RES_KIND_FIELD_NAME: &'static str = "kind";
const RES_KIND_TIMER: &'static str = "timer";
pub(crate) fn result(self) -> Option<ResourceVisitorResult> {
let concrete_type = self.concrete_type?;
let kind = self.kind?;
let location = if self.file.is_some() && self.line.is_some() && self.column.is_some() {
Some(console_api::Location {
file: self.file,
line: self.line,
column: self.column,
..Default::default()
})
} else {
None
};
Some(ResourceVisitorResult {
concrete_type,
kind,
location,
is_internal: self.is_internal,
inherit_child_attrs: self.inherit_child_attrs,
})
}
}
impl Visit for ResourceVisitor {
fn record_debug(&mut self, _: &field::Field, _: &dyn std::fmt::Debug) {}
fn record_str(&mut self, field: &tracing_core::Field, value: &str) {
match field.name() {
Self::RES_CONCRETE_TYPE_FIELD_NAME => self.concrete_type = Some(value.to_string()),
Self::RES_KIND_FIELD_NAME => {
let kind = Some(match value {
Self::RES_KIND_TIMER => {
resource::kind::Kind::Known(resource::kind::Known::Timer as i32)
}
other => resource::kind::Kind::Other(other.to_string()),
});
self.kind = Some(resource::Kind { kind });
}
LOCATION_FILE => self.file = Some(value.to_string()),
_ => {}
}
}
fn record_bool(&mut self, field: &tracing_core::Field, value: bool) {
match field.name() {
Self::RES_VIZ_FIELD_NAME => self.is_internal = value,
INHERIT_FIELD_NAME => self.inherit_child_attrs = value,
_ => {}
}
}
fn record_u64(&mut self, field: &tracing_core::Field, value: u64) {
match field.name() {
LOCATION_LINE => self.line = Some(value as u32),
LOCATION_COLUMN => self.column = Some(value as u32),
_ => {}
}
}
}
impl FieldVisitor {
pub(crate) fn new(meta_id: console_api::MetaId) -> Self {
FieldVisitor {
fields: Vec::default(),
meta_id,
}
}
pub(crate) fn result(self) -> Vec<console_api::Field> {
self.fields
}
}
impl TaskVisitor {
pub(crate) fn new(meta_id: console_api::MetaId) -> Self {
TaskVisitor {
field_visitor: FieldVisitor::new(meta_id),
line: None,
file: None,
column: None,
}
}
pub(crate) fn result(self) -> (Vec<console_api::Field>, Option<console_api::Location>) {
let fields = self.field_visitor.result();
let location = if self.file.is_some() && self.line.is_some() && self.column.is_some() {
Some(console_api::Location {
file: self.file,
line: self.line,
column: self.column,
..Default::default()
})
} else {
None
};
(fields, location)
}
}
impl Visit for TaskVisitor {
fn record_debug(&mut self, field: &field::Field, value: &dyn std::fmt::Debug) {
self.field_visitor.record_debug(field, value);
}
fn record_i64(&mut self, field: &tracing_core::Field, value: i64) {
self.field_visitor.record_i64(field, value);
}
fn record_u64(&mut self, field: &tracing_core::Field, value: u64) {
match field.name() {
LOCATION_LINE => self.line = Some(value as u32),
LOCATION_COLUMN => self.column = Some(value as u32),
_ => self.field_visitor.record_u64(field, value),
}
}
fn record_bool(&mut self, field: &tracing_core::Field, value: bool) {
self.field_visitor.record_bool(field, value);
}
fn record_str(&mut self, field: &tracing_core::Field, value: &str) {
if field.name() == LOCATION_FILE {
self.file = Some(value.to_string());
} else {
self.field_visitor.record_str(field, value);
}
}
}
impl Visit for FieldVisitor {
fn record_debug(&mut self, field: &field::Field, value: &dyn std::fmt::Debug) {
self.fields.push(console_api::Field {
name: Some(field.name().into()),
value: Some(value.into()),
metadata_id: Some(self.meta_id.clone()),
});
}
fn record_i64(&mut self, field: &tracing_core::Field, value: i64) {
self.fields.push(console_api::Field {
name: Some(field.name().into()),
value: Some(value.into()),
metadata_id: Some(self.meta_id.clone()),
});
}
fn record_u64(&mut self, field: &tracing_core::Field, value: u64) {
self.fields.push(console_api::Field {
name: Some(field.name().into()),
value: Some(value.into()),
metadata_id: Some(self.meta_id.clone()),
});
}
fn record_bool(&mut self, field: &tracing_core::Field, value: bool) {
self.fields.push(console_api::Field {
name: Some(field.name().into()),
value: Some(value.into()),
metadata_id: Some(self.meta_id.clone()),
});
}
fn record_str(&mut self, field: &tracing_core::Field, value: &str) {
self.fields.push(console_api::Field {
name: Some(field.name().into()),
value: Some(value.into()),
metadata_id: Some(self.meta_id.clone()),
});
}
}
impl AsyncOpVisitor {
pub(crate) const ASYNC_OP_SPAN_NAME: &'static str = "runtime.resource.async_op";
const ASYNC_OP_SRC_FIELD_NAME: &'static str = "source";
pub(crate) fn result(self) -> Option<(String, bool)> {
let inherit = self.inherit_child_attrs;
self.source.map(|s| (s, inherit))
}
}
impl Visit for AsyncOpVisitor {
fn record_debug(&mut self, _: &field::Field, _: &dyn std::fmt::Debug) {}
fn record_str(&mut self, field: &tracing_core::Field, value: &str) {
if field.name() == Self::ASYNC_OP_SRC_FIELD_NAME {
self.source = Some(value.to_string());
}
}
fn record_bool(&mut self, field: &tracing_core::Field, value: bool) {
if field.name() == INHERIT_FIELD_NAME {
self.inherit_child_attrs = value;
}
}
}
impl WakerVisitor {
const WAKE: &'static str = "waker.wake";
const WAKE_BY_REF: &'static str = "waker.wake_by_ref";
const CLONE: &'static str = "waker.clone";
const DROP: &'static str = "waker.drop";
const TASK_ID_FIELD_NAME: &'static str = "task.id";
pub(crate) fn result(self) -> Option<(span::Id, event::WakeOp)> {
self.id.zip(self.op)
}
}
impl Visit for WakerVisitor {
fn record_debug(&mut self, _: &field::Field, _: &dyn std::fmt::Debug) {
// don't care (yet?)
}
fn record_u64(&mut self, field: &tracing_core::Field, value: u64) {
if field.name() == Self::TASK_ID_FIELD_NAME {
self.id = Some(span::Id::from_u64(value));
}
}
fn record_str(&mut self, field: &tracing_core::Field, value: &str) {
use crate::event::WakeOp;
if field.name() == "op" {
self.op = Some(match value {
Self::WAKE => WakeOp::Wake { self_wake: false },
Self::WAKE_BY_REF => WakeOp::WakeByRef { self_wake: false },
Self::CLONE => WakeOp::Clone,
Self::DROP => WakeOp::Drop,
_ => return,
});
}
}
}
impl PollOpVisitor {
pub(crate) const POLL_OP_EVENT_TARGET: &'static str = "runtime::resource::poll_op";
const OP_NAME_FIELD_NAME: &'static str = "op_name";
const OP_READINESS_FIELD_NAME: &'static str = "is_ready";
pub(crate) fn result(self) -> Option<(String, bool)> {
let op_name = self.op_name?;
let is_ready = self.is_ready?;
Some((op_name, is_ready))
}
}
impl Visit for PollOpVisitor {
fn record_debug(&mut self, _: &field::Field, _: &dyn std::fmt::Debug) {}
fn record_bool(&mut self, field: &tracing_core::Field, value: bool) {
if field.name() == Self::OP_READINESS_FIELD_NAME {
self.is_ready = Some(value)
}
}
fn record_str(&mut self, field: &tracing_core::Field, value: &str) {
if field.name() == Self::OP_NAME_FIELD_NAME {
self.op_name = Some(value.to_string());
}
}
}
impl StateUpdateVisitor {
pub(crate) const RE_STATE_UPDATE_EVENT_TARGET: &'static str = "runtime::resource::state_update";
pub(crate) const AO_STATE_UPDATE_EVENT_TARGET: &'static str =
"runtime::resource::async_op::state_update";
const STATE_OP_SUFFIX: &'static str = ".op";
const STATE_UNIT_SUFFIX: &'static str = ".unit";
const OP_ADD: &'static str = "add";
const OP_SUB: &'static str = "sub";
const OP_OVERRIDE: &'static str = "override";
pub(crate) fn new(meta_id: console_api::MetaId) -> Self {
StateUpdateVisitor {
meta_id,
field: None,
unit: None,
op: None,
}
}
pub(crate) fn result(self) -> Option<attribute::Update> {
Some(attribute::Update {
field: self.field?,
op: self.op,
unit: self.unit,
})
}
}
impl Visit for StateUpdateVisitor {
fn record_debug(&mut self, field: &field::Field, value: &dyn std::fmt::Debug) {
if !field.name().ends_with(Self::STATE_OP_SUFFIX)
&& !field.name().ends_with(Self::STATE_UNIT_SUFFIX)
{
self.field = Some(console_api::Field {
name: Some(field.name().into()),
value: Some(value.into()),
metadata_id: Some(self.meta_id.clone()),
});
}
}
fn record_i64(&mut self, field: &field::Field, value: i64) {
if !field.name().ends_with(Self::STATE_OP_SUFFIX)
&& !field.name().ends_with(Self::STATE_UNIT_SUFFIX)
{
self.field = Some(console_api::Field {
name: Some(field.name().into()),
value: Some(value.into()),
metadata_id: Some(self.meta_id.clone()),
});
}
}
fn record_u64(&mut self, field: &field::Field, value: u64) {
if !field.name().ends_with(Self::STATE_OP_SUFFIX)
&& !field.name().ends_with(Self::STATE_UNIT_SUFFIX)
{
self.field = Some(console_api::Field {
name: Some(field.name().into()),
value: Some(value.into()),
metadata_id: Some(self.meta_id.clone()),
});
}
}
fn record_bool(&mut self, field: &field::Field, value: bool) {
if !field.name().ends_with(Self::STATE_OP_SUFFIX)
&& !field.name().ends_with(Self::STATE_UNIT_SUFFIX)
{
self.field = Some(console_api::Field {
name: Some(field.name().into()),
value: Some(value.into()),
metadata_id: Some(self.meta_id.clone()),
});
}
}
fn record_str(&mut self, field: &field::Field, value: &str) {
if field.name().ends_with(Self::STATE_OP_SUFFIX) {
match value {
Self::OP_ADD => self.op = Some(attribute::UpdateOp::Add),
Self::OP_SUB => self.op = Some(attribute::UpdateOp::Sub),
Self::OP_OVERRIDE => self.op = Some(attribute::UpdateOp::Override),
_ => {}
};
} else if field.name().ends_with(Self::STATE_UNIT_SUFFIX) {
self.unit = Some(value.to_string());
} else {
self.field = Some(console_api::Field {
name: Some(field.name().into()),
value: Some(value.into()),
metadata_id: Some(self.meta_id.clone()),
});
}
}
}