修改了pid参数，跑了一些数据

performance_reporter.py

@@ -23,6 +23,7 @@ class PerformanceReporter:
         pid,
         *,
         window_s,
+        sample_period_s,
         band_pct,
         std_pct,
         flow_range_min_slm,
@@ -32,6 +33,7 @@ class PerformanceReporter:
     ):
         self.pid = pid
         self.window_s = float(window_s)
+        self.sample_period_s = float(sample_period_s)
         self.band_pct = float(band_pct)
         self.std_pct = float(std_pct)
         self.flow_range_min_slm = float(flow_range_min_slm)
@@ -85,7 +87,11 @@ class PerformanceReporter:
 
         if len(self._window) < 2:
             return
-        if self._window[-1][0] - self._window[0][0] < self.window_s:
+        # 采样时间戳会有轻微抖动。旧样本按 window_s 剔除后，窗口跨度通常会
+        # 比 window_s 少一个采样周期；若仍严格要求完整 window_s，判稳可能
+        # 只能依赖浮点时间戳碰巧相等。允许一个采样周期的覆盖余量。
+        min_span = max(0.0, self.window_s - self.sample_period_s)
+        if self._window[-1][0] - self._window[0][0] < min_span:
             return
 
         flows = [item[1] for item in self._window]