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fix: 前后端时钟问题

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Mock
2026-04-18 16:07:28 +08:00
parent 557590f2bf
commit f49582536b
4 changed files with 56 additions and 20 deletions
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45
backend/monitoring/video.py
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@@ -48,18 +48,27 @@ class VideoDisplayProbeStore:
input_to_next_fresh_frame_ms=None,
input_to_next_changed_frame_ms=None,
input_to_next_paint_ms=None,
a_recv_to_paint_ms=None,
request_to_paint_ms=None,
response_to_paint_ms=None,
backend_to_request_ms=None,
backend_to_paint_ms_raw=None,
)
def record_event(self, payload: dict[str, Any]) -> None:
backend_received_unix_ns = payload.get("backend_received_unix_ns")
request_started_unix_ms = payload.get("request_started_unix_ms")
response_received_unix_ms = payload.get("response_received_unix_ms")
paint_unix_ms = payload.get("paint_unix_ms")
a_recv_to_paint_ms = None
request_to_paint_ms = self._duration_ms(paint_unix_ms, request_started_unix_ms, clamp_floor_zero=True)
response_to_paint_ms = self._duration_ms(paint_unix_ms, response_received_unix_ms, clamp_floor_zero=True)
backend_received_unix_ms = None
try:
if backend_received_unix_ns is not None and paint_unix_ms is not None:
a_recv_to_paint_ms = round(float(paint_unix_ms) - (int(backend_received_unix_ns) / 1_000_000.0), 3)
if backend_received_unix_ns is not None:
backend_received_unix_ms = int(backend_received_unix_ns) / 1_000_000.0
except (TypeError, ValueError):
a_recv_to_paint_ms = None
backend_received_unix_ms = None
backend_to_request_ms = self._duration_ms(request_started_unix_ms, backend_received_unix_ms, clamp_floor_zero=False)
backend_to_paint_ms_raw = self._duration_ms(paint_unix_ms, backend_received_unix_ms, clamp_floor_zero=False)
status = VideoDisplayProbeStatus(
updated_at=str(payload.get("updated_at") or ""),
@@ -68,7 +77,10 @@ class VideoDisplayProbeStore:
input_to_next_fresh_frame_ms=self._coerce_float(payload.get("input_to_next_fresh_frame_ms")),
input_to_next_changed_frame_ms=self._coerce_float(payload.get("input_to_next_changed_frame_ms")),
input_to_next_paint_ms=self._coerce_float(payload.get("input_to_next_paint_ms")),
a_recv_to_paint_ms=a_recv_to_paint_ms,
request_to_paint_ms=request_to_paint_ms,
response_to_paint_ms=response_to_paint_ms,
backend_to_request_ms=backend_to_request_ms,
backend_to_paint_ms_raw=backend_to_paint_ms_raw,
)
with self._lock:
self._latest = status
@@ -84,7 +96,10 @@ class VideoDisplayProbeStore:
"input_to_next_fresh_frame_ms": latest.input_to_next_fresh_frame_ms,
"input_to_next_changed_frame_ms": latest.input_to_next_changed_frame_ms,
"input_to_next_paint_ms": latest.input_to_next_paint_ms,
"a_recv_to_paint_ms": latest.a_recv_to_paint_ms,
"request_to_paint_ms": latest.request_to_paint_ms,
"response_to_paint_ms": latest.response_to_paint_ms,
"backend_to_request_ms": latest.backend_to_request_ms,
"backend_to_paint_ms_raw": latest.backend_to_paint_ms_raw,
}
def close(self) -> None:
@@ -99,6 +114,17 @@ class VideoDisplayProbeStore:
except (TypeError, ValueError):
return None
@classmethod
def _duration_ms(cls, end_ms: Any, start_ms: Any, *, clamp_floor_zero: bool) -> float | None:
end_value = cls._coerce_float(end_ms)
start_value = cls._coerce_float(start_ms)
if end_value is None or start_value is None:
return None
delta = round(end_value - start_value, 3)
if clamp_floor_zero:
delta = max(0.0, delta)
return delta
@dataclass(frozen=True)
class FrameTrailerMetadata:
@@ -123,7 +149,10 @@ class VideoDisplayProbeStatus:
input_to_next_fresh_frame_ms: float | None
input_to_next_changed_frame_ms: float | None
input_to_next_paint_ms: float | None
a_recv_to_paint_ms: float | None
request_to_paint_ms: float | None
response_to_paint_ms: float | None
backend_to_request_ms: float | None
backend_to_paint_ms_raw: float | None
class OmniSocketVideoReceiver: