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State metrics possible changes (#5168)

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* Registering state from overlay.

* fix

* fix2

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
cheme
2020-04-01 19:46:40 +02:00
committed by GitHub
parent a8aedfa16f
commit 58578af074
17 changed files with 232 additions and 33 deletions
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substrate/primitives/state-machine/src/overlayed_changes.rs
+16 -1
View File
@@ -22,6 +22,7 @@ use crate::{
NO_EXTRINSIC_INDEX, BlockNumber, build_changes_trie,
State as ChangesTrieState,
},
stats::StateMachineStats,
};
#[cfg(test)]
@@ -57,6 +58,8 @@ pub struct OverlayedChanges {
pub(crate) committed: OverlayedChangeSet,
/// True if extrinsics stats must be collected.
pub(crate) collect_extrinsics: bool,
/// Collect statistic on this execution.
pub(crate) stats: StateMachineStats,
}
/// The storage value, used inside OverlayedChanges.
@@ -206,7 +209,11 @@ impl OverlayedChanges {
pub fn storage(&self, key: &[u8]) -> Option<Option<&[u8]>> {
self.prospective.top.get(key)
.or_else(|| self.committed.top.get(key))
.map(|x| x.value.as_ref().map(AsRef::as_ref))
.map(|x| {
let size_read = x.value.as_ref().map(|x| x.len() as u64).unwrap_or(0);
self.stats.tally_read_modified(size_read);
x.value.as_ref().map(AsRef::as_ref)
})
}
/// Returns a double-Option: None if the key is unknown (i.e. and the query should be referred
@@ -215,12 +222,16 @@ impl OverlayedChanges {
pub fn child_storage(&self, storage_key: &[u8], key: &[u8]) -> Option<Option<&[u8]>> {
if let Some(map) = self.prospective.children.get(storage_key) {
if let Some(val) = map.0.get(key) {
let size_read = val.value.as_ref().map(|x| x.len() as u64).unwrap_or(0);
self.stats.tally_read_modified(size_read);
return Some(val.value.as_ref().map(AsRef::as_ref));
}
}
if let Some(map) = self.committed.children.get(storage_key) {
if let Some(val) = map.0.get(key) {
let size_read = val.value.as_ref().map(|x| x.len() as u64).unwrap_or(0);
self.stats.tally_read_modified(size_read);
return Some(val.value.as_ref().map(AsRef::as_ref));
}
}
@@ -232,6 +243,8 @@ impl OverlayedChanges {
///
/// `None` can be used to delete a value specified by the given key.
pub(crate) fn set_storage(&mut self, key: StorageKey, val: Option<StorageValue>) {
let size_write = val.as_ref().map(|x| x.len() as u64).unwrap_or(0);
self.stats.tally_write_overlay(size_write);
let extrinsic_index = self.extrinsic_index();
let entry = self.prospective.top.entry(key).or_default();
entry.value = val;
@@ -252,6 +265,8 @@ impl OverlayedChanges {
key: StorageKey,
val: Option<StorageValue>,
) {
let size_write = val.as_ref().map(|x| x.len() as u64).unwrap_or(0);
self.stats.tally_write_overlay(size_write);
let extrinsic_index = self.extrinsic_index();
let map_entry = self.prospective.children.entry(storage_key)
.or_insert_with(|| (Default::default(), child_info.to_owned()));