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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| // Copyright 2023 PingCAP, Inc. | ||
| // | ||
| // 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. | ||
|
|
||
| #include <Flash/Pipeline/Schedule/Tasks/NotifyFuture.h> | ||
|
|
||
| namespace DB | ||
| { | ||
| #if __APPLE__ && __clang__ | ||
| __thread NotifyFuturePtr current_notify_future = nullptr; | ||
| #else | ||
| thread_local NotifyFuturePtr current_notify_future = nullptr; | ||
| #endif | ||
|
|
||
| void setNotifyFuture(NotifyFuturePtr new_future) | ||
| { | ||
| assert(current_notify_future == nullptr); | ||
| current_notify_future = std::move(new_future); | ||
| } | ||
|
|
||
| void clearNotifyFuture() | ||
| { | ||
| current_notify_future.reset(); | ||
| } | ||
|
|
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| void registerTaskToFuture(TaskPtr && task) | ||
| { | ||
| assert(current_notify_future != nullptr); | ||
| current_notify_future->registerTask(std::move(task)); | ||
| current_notify_future.reset(); | ||
| } | ||
| } // namespace DB |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| // Copyright 2023 PingCAP, Inc. | ||
| // | ||
| // 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. | ||
|
|
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| #pragma once | ||
|
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| #include <Flash/Pipeline/Schedule/Tasks/Task.h> | ||
|
|
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| namespace DB | ||
| { | ||
| struct NotifyFuture | ||
| { | ||
| NotifyFuture() = default; | ||
| virtual ~NotifyFuture() = default; | ||
| virtual void registerTask(TaskPtr && task) = 0; | ||
| }; | ||
| using NotifyFuturePtr = std::shared_ptr<NotifyFuture>; | ||
|
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| #if __APPLE__ && __clang__ | ||
| extern __thread NotifyFuturePtr current_notify_future; | ||
| #else | ||
| extern thread_local NotifyFuturePtr current_notify_future; | ||
| #endif | ||
|
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| void setNotifyFuture(NotifyFuturePtr new_future); | ||
| void clearNotifyFuture(); | ||
| void registerTaskToFuture(TaskPtr && task); | ||
|
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| } // namespace DB |
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100
dbms/src/Flash/Pipeline/Schedule/Tasks/PipeConditionVariable.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| // Copyright 2023 PingCAP, Inc. | ||
| // | ||
| // 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. | ||
|
|
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| #pragma once | ||
|
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| #include <Flash/Pipeline/Schedule/TaskScheduler.h> | ||
| #include <Flash/Pipeline/Schedule/Tasks/Task.h> | ||
|
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| #include <deque> | ||
|
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| namespace DB | ||
| { | ||
| class PipeConditionVariable | ||
| { | ||
| public: | ||
| inline void registerTask(TaskPtr && task) | ||
| { | ||
| assert(task); | ||
| assert(task->getStatus() == ExecTaskStatus::WAIT_FOR_NOTIFY); | ||
| { | ||
| std::lock_guard lock(mu); | ||
| tasks.push_back(std::move(task)); | ||
| } | ||
|
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| #if __APPLE__ && __clang__ | ||
| __thread auto & metrics = GET_METRIC(tiflash_pipeline_scheduler, type_wait_for_notify_tasks_count); | ||
| #else | ||
| thread_local auto & metrics = GET_METRIC(tiflash_pipeline_scheduler, type_wait_for_notify_tasks_count); | ||
| #endif | ||
| metrics.Increment(); | ||
| } | ||
|
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| inline void notifyOne() | ||
| { | ||
| TaskPtr task; | ||
| { | ||
| std::lock_guard lock(mu); | ||
| if (tasks.empty()) | ||
| return; | ||
| task = std::move(tasks.front()); | ||
| tasks.pop_front(); | ||
| } | ||
| assert(task); | ||
| notifyTaskDirectly(std::move(task)); | ||
|
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| #if __APPLE__ && __clang__ | ||
| __thread auto & metrics = GET_METRIC(tiflash_pipeline_scheduler, type_wait_for_notify_tasks_count); | ||
| #else | ||
| thread_local auto & metrics = GET_METRIC(tiflash_pipeline_scheduler, type_wait_for_notify_tasks_count); | ||
| #endif | ||
| metrics.Decrement(); | ||
| } | ||
|
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| inline void notifyAll() | ||
| { | ||
| std::deque<TaskPtr> cur_tasks; | ||
| { | ||
| std::lock_guard lock(mu); | ||
| std::swap(cur_tasks, tasks); | ||
| } | ||
| size_t tasks_cnt = cur_tasks.size(); | ||
| while (!cur_tasks.empty()) | ||
| { | ||
| notifyTaskDirectly(std::move(cur_tasks.front())); | ||
| cur_tasks.pop_front(); | ||
| } | ||
|
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| #if __APPLE__ && __clang__ | ||
| __thread auto & metrics = GET_METRIC(tiflash_pipeline_scheduler, type_wait_for_notify_tasks_count); | ||
| #else | ||
| thread_local auto & metrics = GET_METRIC(tiflash_pipeline_scheduler, type_wait_for_notify_tasks_count); | ||
| #endif | ||
| metrics.Decrement(tasks_cnt); | ||
| } | ||
|
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| static inline void notifyTaskDirectly(TaskPtr && task) | ||
| { | ||
| assert(task); | ||
| task->notify(); | ||
| task->profile_info.elapsedWaitForNotifyTime(); | ||
| assert(TaskScheduler::instance); | ||
| TaskScheduler::instance->submitToCPUTaskThreadPool(std::move(task)); | ||
| } | ||
|
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||
| private: | ||
| std::mutex mu; | ||
| std::deque<TaskPtr> tasks; | ||
| }; | ||
| } // namespace DB |
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