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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/status_sinks.rs
+5 -4
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@@ -14,11 +14,12 @@
// You should have received a copy of the GNU General Public License
// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
use futures::{Stream, stream::futures_unordered::FuturesUnordered, channel::mpsc};
use futures::{Stream, stream::futures_unordered::FuturesUnordered};
use std::time::Duration;
use std::pin::Pin;
use std::task::{Poll, Context};
use futures_timer::Delay;
use sp_utils::mpsc::TracingUnboundedSender;
/// Holds a list of `UnboundedSender`s, each associated with a certain time period. Every time the
/// period elapses, we push an element on the sender.
@@ -31,7 +32,7 @@ pub struct StatusSinks<T> {
struct YieldAfter<T> {
delay: Delay,
interval: Duration,
sender: Option<mpsc::UnboundedSender<T>>,
sender: Option<TracingUnboundedSender<T>>,
}
impl<T> StatusSinks<T> {
@@ -45,7 +46,7 @@ impl<T> StatusSinks<T> {
/// Adds a sender to the collection.
///
/// The `interval` is the time period between two pushes on the sender.
pub fn push(&mut self, interval: Duration, sender: mpsc::UnboundedSender<T>) {
pub fn push(&mut self, interval: Duration, sender: TracingUnboundedSender<T>) {
self.entries.push(YieldAfter {
delay: Delay::new(interval),
interval,
@@ -88,7 +89,7 @@ impl<T> StatusSinks<T> {
}
impl<T> futures::Future for YieldAfter<T> {
type Output = (mpsc::UnboundedSender<T>, Duration);
type Output = (TracingUnboundedSender<T>, Duration);
fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
let this = Pin::into_inner(self);