feat: 添加基准测试基础设施

crates/oxide_cli/src/bench/metrics.rs

@@ -0,0 +1,43 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct MetricCollection {
+    pub test_name: String,
+    pub wall_time_us: u64,
+    pub session_objects: usize,
+    pub session_bytes: usize,
+    pub epoch_objects: usize,
+    pub epoch_bytes: u64,
+    pub gc_trigger_count: u64,
+    pub gc_bytes_freed: u64,
+    pub gc_objects_scanned: u64,
+    pub gc_collection_us: u64,
+    pub instruction_count: u64,
+    pub compile_time_us: u64,
+    pub exec_time_us: u64,
+    pub ic_hit_rate: f64,
+    pub ic_hits: u64,
+    pub ic_misses: u64,
+}
+
+impl MetricCollection {
+    pub fn iter_metrics(&self) -> Vec<(&'static str, f64)> {
+        vec![
+            ("wall_time_us", self.wall_time_us as f64),
+            ("session_objects", self.session_objects as f64),
+            ("session_bytes", self.session_bytes as f64),
+            ("epoch_objects", self.epoch_objects as f64),
+            ("epoch_bytes", self.epoch_bytes as f64),
+            ("gc_trigger_count", self.gc_trigger_count as f64),
+            ("gc_bytes_freed", self.gc_bytes_freed as f64),
+            ("gc_objects_scanned", self.gc_objects_scanned as f64),
+            ("gc_collection_us", self.gc_collection_us as f64),
+            ("instruction_count", self.instruction_count as f64),
+            ("compile_time_us", self.compile_time_us as f64),
+            ("exec_time_us", self.exec_time_us as f64),
+            ("ic_hit_rate", self.ic_hit_rate),
+            ("ic_hits", self.ic_hits as f64),
+            ("ic_misses", self.ic_misses as f64),
+        ]
+    }
+}