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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/performance_manager/public/graph/node_data_describer_util.h"
#include <string_view>
#include "base/i18n/time_formatting.h"
#include "base/task/task_traits.h"
#include "components/performance_manager/graph/frame_node_impl.h"
#include "components/performance_manager/graph/frame_node_impl_describer.h"
#include "components/performance_manager/graph/node_base.h"
#include "components/performance_manager/graph/page_node_impl.h"
#include "components/performance_manager/graph/page_node_impl_describer.h"
#include "components/performance_manager/graph/process_node_impl.h"
#include "components/performance_manager/graph/process_node_impl_describer.h"
#include "components/performance_manager/graph/worker_node_impl.h"
#include "components/performance_manager/graph/worker_node_impl_describer.h"
#include "components/performance_manager/public/graph/node.h"
#include "components/performance_manager/public/graph/node_data_describer.h"
#include "components/performance_manager/public/graph/node_data_describer_registry.h"
#include "components/performance_manager/public/graph/node_type.h"
namespace performance_manager {
base::Value TimeDeltaToValue(base::TimeDelta delta) {
std::u16string out;
bool succeeded =
TimeDurationFormatWithSeconds(delta, base::DURATION_WIDTH_SHORT, &out);
DCHECK(succeeded);
return base::Value(out);
}
base::Value TimeDeltaFromNowToValue(base::TimeTicks time_ticks) {
return TimeDeltaToValue(base::TimeTicks::Now() - time_ticks);
}
base::Value TimeSinceEpochToValue(base::TimeTicks time_ticks) {
const base::TimeDelta delta_since_epoch =
time_ticks - base::TimeTicks::UnixEpoch();
return base::Value(base::UnlocalizedTimeFormatWithPattern(
base::Time::UnixEpoch() + delta_since_epoch, "yyyy-MM-dd HH:mm:ss"));
}
base::Value MaybeNullStringToValue(std::string_view str) {
if (str.data() == nullptr) {
return base::Value();
}
return base::Value(str);
}
base::Value PriorityAndReasonToValue(
const execution_context_priority::PriorityAndReason& priority_and_reason) {
base::Value::Dict priority;
priority.Set("priority",
base::TaskPriorityToString(priority_and_reason.priority()));
priority.Set("reason", MaybeNullStringToValue(priority_and_reason.reason()));
return base::Value(std::move(priority));
}
std::string DumpNodeDescription(const Node* node) {
switch (node->GetNodeType()) {
case NodeTypeEnum::kFrame:
return FrameNodeImplDescriber()
.DescribeNodeData(FrameNodeImpl::FromNode(node))
.DebugString();
case NodeTypeEnum::kPage:
return PageNodeImplDescriber()
.DescribeNodeData(PageNodeImpl::FromNode(node))
.DebugString();
case NodeTypeEnum::kProcess:
return ProcessNodeImplDescriber()
.DescribeNodeData(ProcessNodeImpl::FromNode(node))
.DebugString();
case NodeTypeEnum::kSystem:
// SystemNodeImpl has no default describer. Return an empty dictionary.
return base::Value::Dict().DebugString();
case NodeTypeEnum::kWorker:
return WorkerNodeImplDescriber()
.DescribeNodeData(WorkerNodeImpl::FromNode(node))
.DebugString();
}
NOTREACHED();
}
std::string DumpRegisteredDescribers(const Node* node) {
return node->GetGraph()
->GetNodeDataDescriberRegistry()
->DescribeNodeData(node)
.DebugString();
}
} // namespace performance_manager
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