Subsystems memory tracking: 1. Transaction pool (#4822)

* update sp-runtime

* total update

* usage informant

* update to crates.io version

* update Cargo.lock

* update dummy update

* fix todo

* cleanup

* avoid custom impl

* Update client/transaction-pool/graph/src/future.rs

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* remove another custom impl

* remove another custom impl

* add kb in report

* update Cargo.lock

* review suggestions

* --amend

* --amend

* bump parity-util-mem to 0.5.0

* bumps

* update macro and versions

* add to grafana

* naming

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

substrate/client/cli/src/informant.rs

@@ -28,6 +28,7 @@ mod display;
 /// Creates an informant in the form of a `Future` that must be polled regularly.
 pub fn build(service: &impl AbstractService) -> impl futures::Future<Output = ()> {
 	let client = service.client();
+	let pool = service.transaction_pool();
 
 	let mut display = display::InformantDisplay::new();
 
@@ -40,6 +41,11 @@ pub fn build(service: &impl AbstractService) -> impl futures::Future<Output = ()
 			} else {
 				trace!(target: "usage", "Usage statistics not displayed as backend does not provide it")
 			}
+			trace!(
+				target: "usage",
+				"Subsystems memory [txpool: {} kB]",
+				parity_util_mem::malloc_size(&*pool) / 1024,
+			);
 			display.display(&info, net_status);
 			future::ready(())
 		});