mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-22 08:01:06 +00:00
Sergei Pepyakin
63 lines
1.7 KiB
Rust
63 lines
1.7 KiB
Rust
// Copyright 2017-2020 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! Usage statistics for state db
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use std::time::{Instant, Duration};
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/// Measured count of operations and total bytes.
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#[derive(Clone, Debug, Default)]
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pub struct UsageUnit {
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/// Number of operations.
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pub ops: u64,
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/// Number of bytes.
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pub bytes: u64,
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}
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/// Usage statistics for state backend.
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#[derive(Clone, Debug)]
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pub struct UsageInfo {
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/// Read statistics (total).
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pub reads: UsageUnit,
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/// Write statistics.
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pub writes: UsageUnit,
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/// Cache read statistics.
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pub cache_reads: UsageUnit,
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/// Memory used.
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pub memory: usize,
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/// Moment at which current statistics has been started being collected.
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pub started: Instant,
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/// Timespan of the statistics.
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pub span: Duration,
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}
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impl UsageInfo {
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/// Empty statistics.
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///
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/// Means no data was collected.
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pub fn empty() -> Self {
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Self {
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reads: UsageUnit::default(),
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writes: UsageUnit::default(),
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cache_reads: UsageUnit::default(),
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memory: 0,
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started: Instant::now(),
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span: Default::default(),
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}
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}
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}
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