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Log long-running calls on the UI thread

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This commit is contained in:
Damien Elmes 2023-12-10 12:32:18 +10:00
parent a7d7301d33
commit 6b3381afef
1 changed files with 8 additions and 0 deletions
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8
pylib/anki/_backend.py
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@ -4,7 +4,9 @@
from __future__ import annotations from __future__ import annotations
import sys import sys
import time
import traceback import traceback
from threading import current_thread, main_thread
from typing import TYPE_CHECKING, Any, Iterable, Sequence from typing import TYPE_CHECKING, Any, Iterable, Sequence
from weakref import ref from weakref import ref
@ -148,10 +150,16 @@ class RustBackend(RustBackendGenerated):
return self.compute_fsrs_weights_from_items(items).weights return self.compute_fsrs_weights_from_items(items).weights
def _run_command(self, service: int, method: int, input: bytes) -> bytes: def _run_command(self, service: int, method: int, input: bytes) -> bytes:
start = time.time()
try: try:
return self._backend.command(service, method, input) return self._backend.command(service, method, input)
except Exception as error: except Exception as error:
error_bytes = bytes(error.args[0]) error_bytes = bytes(error.args[0])
finally:
elapsed = time.time() - start
if current_thread() is main_thread() and elapsed > 0.2:
print(f"blocked main thread for {int(elapsed*1000)}ms:")
print("".join(traceback.format_stack()))
err = backend_pb2.BackendError() err = backend_pb2.BackendError()
err.ParseFromString(error_bytes) err.ParseFromString(error_bytes)