86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
/*
|
|
* AnnotateActor.h
|
|
*
|
|
* This source file is part of the FoundationDB open source project
|
|
*
|
|
* Copyright 2013-2021 Apple Inc. and the FoundationDB project authors
|
|
*
|
|
* 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 "flow/flow.h"
|
|
#include "flow/network.h"
|
|
|
|
#include <string_view>
|
|
|
|
// Used to manually instrument waiting actors to collect samples for the
|
|
// sampling profiler.
|
|
struct AnnotateActor {
|
|
unsigned index;
|
|
bool set;
|
|
|
|
AnnotateActor() : set(false) {}
|
|
|
|
AnnotateActor(Reference<ActorLineage> lineage) : set(true) {
|
|
index = g_network->getActorLineageSet().insert(lineage);
|
|
if (index == ActorLineageSet::npos) {
|
|
set = false;
|
|
}
|
|
}
|
|
|
|
AnnotateActor(const AnnotateActor& other) = delete;
|
|
AnnotateActor(AnnotateActor&& other) = delete;
|
|
AnnotateActor& operator=(const AnnotateActor& other) = delete;
|
|
|
|
AnnotateActor& operator=(AnnotateActor&& other) {
|
|
if (this == &other) {
|
|
return *this;
|
|
}
|
|
|
|
this->index = other.index;
|
|
this->set = other.set;
|
|
|
|
other.set = false;
|
|
|
|
return *this;
|
|
}
|
|
|
|
~AnnotateActor() {
|
|
if (set) {
|
|
g_network->getActorLineageSet().erase(index);
|
|
}
|
|
}
|
|
};
|
|
|
|
enum class WaitState { Disk, Network, Running };
|
|
// usually we shouldn't use `using namespace` in a header file, but literals should be safe as user defined literals
|
|
// need to be prefixed with `_`
|
|
using namespace std::literals;
|
|
|
|
constexpr std::string_view to_string(WaitState st) {
|
|
switch (st) {
|
|
case WaitState::Disk:
|
|
return "Disk"sv;
|
|
case WaitState::Network:
|
|
return "Network"sv;
|
|
case WaitState::Running:
|
|
return "Running"sv;
|
|
default:
|
|
return ""sv;
|
|
}
|
|
}
|
|
|
|
extern std::map<WaitState, std::function<std::vector<Reference<ActorLineage>>()>> samples;
|