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Additional Metrics collected and exposed via prometheus (#5414)

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This PR refactors the metrics measuring and Prometheus exposing entity in sc-service into its own submodule and extends the parameters it exposes by:

- system load average (over one, five and 15min)
- the TCP connection state of the process (lsof), refs #5304
- number of tokio threads
- number of known forks
- counter for items in each unbounded queue (with internal unbounded channels)
- number of file descriptors opened by this process (*nix only at this point)
- number of system threads (*nix only at this point)

refs #4679

Co-authored-by: Max Inden <mail@max-inden.de>
Co-authored-by: Ashley <ashley.ruglys@gmail.com>
This commit is contained in:
Benjamin Kampmann
2020-04-04 15:13:35 +02:00
committed by GitHub
parent 6847f8452e
commit 247822bb33
60 changed files with 1344 additions and 526 deletions
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substrate/client/service/src/task_manager.rs
+6 -5
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@@ -22,17 +22,18 @@ use exit_future::Signal;
use log::{debug, error};
use futures::{
Future, FutureExt, Stream,
future::select, channel::mpsc,
future::select,
compat::*,
task::{Spawn, FutureObj, SpawnError},
};
use sc_client_api::CloneableSpawn;
use sp_utils::mpsc::{tracing_unbounded, TracingUnboundedSender, TracingUnboundedReceiver};
/// Type alias for service task executor (usually runtime).
pub type ServiceTaskExecutor = Arc<dyn Fn(Pin<Box<dyn Future<Output = ()> + Send>>) + Send + Sync>;
/// Type alias for the task scheduler.
pub type TaskScheduler = mpsc::UnboundedSender<(Pin<Box<dyn Future<Output = ()> + Send>>, Cow<'static, str>)>;
pub type TaskScheduler = TracingUnboundedSender<(Pin<Box<dyn Future<Output = ()> + Send>>, Cow<'static, str>)>;
/// Helper struct to setup background tasks execution for service.
pub struct TaskManagerBuilder {
@@ -44,14 +45,14 @@ pub struct TaskManagerBuilder {
/// Sender for futures that must be spawned as background tasks.
to_spawn_tx: TaskScheduler,
/// Receiver for futures that must be spawned as background tasks.
to_spawn_rx: mpsc::UnboundedReceiver<(Pin<Box<dyn Future<Output = ()> + Send>>, Cow<'static, str>)>,
to_spawn_rx: TracingUnboundedReceiver<(Pin<Box<dyn Future<Output = ()> + Send>>, Cow<'static, str>)>,
}
impl TaskManagerBuilder {
/// New asynchronous task manager setup.
pub fn new() -> Self {
let (signal, on_exit) = exit_future::signal();
let (to_spawn_tx, to_spawn_rx) = mpsc::unbounded();
let (to_spawn_tx, to_spawn_rx) = tracing_unbounded("mpsc_task_manager");
Self {
on_exit,
signal: Some(signal),
@@ -144,7 +145,7 @@ pub struct TaskManager {
/// Sender for futures that must be spawned as background tasks.
to_spawn_tx: TaskScheduler,
/// Receiver for futures that must be spawned as background tasks.
to_spawn_rx: mpsc::UnboundedReceiver<(Pin<Box<dyn Future<Output = ()> + Send>>, Cow<'static, str>)>,
to_spawn_rx: TracingUnboundedReceiver<(Pin<Box<dyn Future<Output = ()> + Send>>, Cow<'static, str>)>,
/// How to spawn background tasks.
executor: ServiceTaskExecutor,
}