/* * Copyright 2020 The Android Open Source Project * * Licensed 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. */ #pragma once #include #include static constexpr size_t kDefaultLogBufferSize = 256 * 1024; static constexpr size_t kLogBufferMinSize = 64 * 1024; static constexpr size_t kLogBufferMaxSize = 256 * 1024 * 1024; bool IsValidBufferSize(size_t value); // This returns the buffer size as set in system properties for use in LogBuffer::Init(). // Note that `logcat -G` calls LogBuffer::SetSize(), which configures log buffer sizes without // setting these properties, so this function should never be used except for LogBuffer::Init(). // LogBuffer::GetSize() should be used instead within logd. Other processes can use // android_logger_get_log_size() or `logcat -g` to query the actual allotted buffer size. size_t GetBufferSizeFromProperties(log_id_t log_id);