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bench 每轮采集在 workload 后 promote 根持有/会话引用的 epoch 对象并强制 一次 full GC，新增 peak_bytes / retained_bytes / retained_objects 三口径 （原 session_* 字段为执行期累计分配，不反映 workload 后留存）；dispatch 循环增加 session 堆高水位采样，VM 暴露 session_bytes_peak 与 collect_session_gc。新增 8 个 mem_* 压力用例（对象图/字符串/闭包链/数组 增删/跨调用保留/Map/Set 保留/字符串拼接），基线扩至 76 条目。
58 lines
2.3 KiB
Rust
58 lines
2.3 KiB
Rust
use serde::{Deserialize, Serialize};
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/// 单次 benchmark 测试收集的完整指标集（可序列化为 JSON 用于基线持久化）。
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct MetricCollection {
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pub test_name: String,
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pub wall_time_us: u64,
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pub session_objects: usize,
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pub session_bytes: usize,
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pub epoch_objects: usize,
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pub epoch_bytes: u64,
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pub gc_trigger_count: u64,
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pub gc_bytes_freed: u64,
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pub gc_objects_scanned: u64,
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pub gc_collection_us: u64,
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pub instruction_count: u64,
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pub compile_time_us: u64,
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pub exec_time_us: u64,
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pub ic_hit_rate: f64,
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pub ic_hits: u64,
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pub ic_misses: u64,
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/// 执行期 session 堆账目的峰值高水位（字节）。旧基线文件无此字段，反序列化补 0。
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#[serde(default)]
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pub peak_bytes: u64,
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/// workload 结束并强制完整 GC 后的 session 存活堆字节（留存内存）。
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#[serde(default)]
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pub retained_bytes: u64,
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/// workload 结束并强制完整 GC 后的 session 存活对象数。
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#[serde(default)]
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pub retained_objects: u64,
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}
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impl MetricCollection {
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/// 导出为 `(指标名, 值)` 列表，供回归对比与表格输出遍历。
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pub fn iter_metrics(&self) -> Vec<(&'static str, f64)> {
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vec![
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("wall_time_us", self.wall_time_us as f64),
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("session_objects", self.session_objects as f64),
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("session_bytes", self.session_bytes as f64),
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("epoch_objects", self.epoch_objects as f64),
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("epoch_bytes", self.epoch_bytes as f64),
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("gc_trigger_count", self.gc_trigger_count as f64),
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("gc_bytes_freed", self.gc_bytes_freed as f64),
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("gc_objects_scanned", self.gc_objects_scanned as f64),
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("gc_collection_us", self.gc_collection_us as f64),
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("instruction_count", self.instruction_count as f64),
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("compile_time_us", self.compile_time_us as f64),
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("exec_time_us", self.exec_time_us as f64),
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("ic_hit_rate", self.ic_hit_rate),
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("ic_hits", self.ic_hits as f64),
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("ic_misses", self.ic_misses as f64),
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("peak_bytes", self.peak_bytes as f64),
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("retained_bytes", self.retained_bytes as f64),
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("retained_objects", self.retained_objects as f64),
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]
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}
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}
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