| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| cimport cython |
| |
| from apache_beam.metrics.execution cimport MetricsContainer |
| |
| from cpython cimport pythread |
| from libc.stdint cimport int32_t, int64_t |
| |
| cdef class StateSampler(object): |
| """Tracks time spent in states during pipeline execution.""" |
| cdef int _sampling_period_ms |
| cdef int _sampling_period_ms_start |
| cdef double _sampling_period_ratio |
| |
| cdef list scoped_states_by_index |
| |
| cdef public bint started |
| cdef public bint finished |
| cdef object sampling_thread |
| |
| # This lock guards members that are shared between threads, specificaly |
| # finished, scoped_states_by_index, and the nsecs field of each state therein. |
| cdef pythread.PyThread_type_lock lock |
| |
| cdef public int64_t state_transition_count |
| cdef public int64_t time_since_transition |
| |
| cdef int32_t current_state_index |
| |
| cpdef _scoped_state( |
| self, counter_name, name_context, output_counter, metrics_container) |
| |
| cdef class ScopedState(object): |
| """Context manager class managing transitions for a given sampler state.""" |
| |
| cdef readonly StateSampler sampler |
| cdef readonly int32_t state_index |
| cdef readonly object counter |
| cdef readonly object name |
| cdef readonly object name_context |
| cdef readonly int64_t _nsecs |
| cdef int32_t old_state_index |
| cdef readonly MetricsContainer _metrics_container |
| |
| cpdef __enter__(self) |
| |
| cpdef __exit__(self, unused_exc_type, unused_exc_value, unused_traceback) |
