bf_tree/circular_buffer/
metrics.rs

1// Copyright (c) Microsoft Corporation.
2// Licensed under the MIT license.
3
4use std::collections::HashMap;
5
6use super::States;
7
8#[derive(serde::Serialize)]
9pub struct CircularBufferMetrics {
10    pub capacity: usize,
11    pub head_addr: usize,
12    pub tail_addr: usize,
13    pub evicting_addr: usize,
14    pub head_tail_distance: usize,
15    pub allocated_cnt: usize,
16    pub not_ready_cnt: usize,
17    pub ready_cnt: usize,
18    pub tombstone_cnt: usize,
19    pub tombstone_size: usize,
20    pub begin_tombstone_cnt: usize,
21    pub free_listed_cnt: usize,
22    pub evicted_cnt: usize,
23    pub size_cnt: HashMap<usize, usize>,
24}
25
26impl CircularBufferMetrics {
27    pub(super) fn new(cap: usize, states: &States) -> Self {
28        let head_tail_distance = states.tail_addr() - states.head_addr();
29        Self {
30            capacity: cap,
31            head_addr: states.head_addr(),
32            tail_addr: states.tail_addr(),
33            evicting_addr: states.evicting_addr,
34            head_tail_distance,
35            allocated_cnt: 0,
36            not_ready_cnt: 0,
37            ready_cnt: 0,
38            tombstone_cnt: 0,
39            tombstone_size: 0,
40            begin_tombstone_cnt: 0,
41            free_listed_cnt: 0,
42            evicted_cnt: 0,
43            size_cnt: HashMap::new(),
44        }
45    }
46}
bf_tree/circular_buffer/metrics.rs

bf_tree/circular_buffer/
metrics.rs
