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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/task/sequence_manager/sequence_manager.h"
#include <utility>
namespace base::sequence_manager {
namespace {
perfetto::protos::pbzero::SequenceManagerTask::Priority
DefaultTaskPriorityToProto(TaskQueue::QueuePriority priority) {
DCHECK_EQ(priority, static_cast<TaskQueue::QueuePriority>(
TaskQueue::DefaultQueuePriority::kNormalPriority));
return perfetto::protos::pbzero::SequenceManagerTask::Priority::
NORMAL_PRIORITY;
}
void CheckPriorities(TaskQueue::QueuePriority priority_count,
TaskQueue::QueuePriority default_priority) {
CHECK_LE(static_cast<size_t>(priority_count),
SequenceManager::PrioritySettings::kMaxPriorities)
<< "The number of priorities cannot exceed kMaxPriorities.";
CHECK_LT(static_cast<size_t>(default_priority), priority_count)
<< "The default priority must be within the priority range.";
}
} // namespace
// static
SequenceManager::PrioritySettings
SequenceManager::PrioritySettings::CreateDefault() {
PrioritySettings settings(
TaskQueue::DefaultQueuePriority::kQueuePriorityCount,
TaskQueue::DefaultQueuePriority::kNormalPriority);
settings.SetProtoPriorityConverter(&DefaultTaskPriorityToProto);
return settings;
}
SequenceManager::PrioritySettings::PrioritySettings(
TaskQueue::QueuePriority priority_count,
TaskQueue::QueuePriority default_priority)
#if DCHECK_IS_ON()
: PrioritySettings(priority_count,
default_priority,
std::vector<TimeDelta>(priority_count),
std::vector<TimeDelta>(priority_count)){}
#else
: priority_count_(priority_count), default_priority_(default_priority) {
CheckPriorities(priority_count, default_priority);
}
#endif
#if DCHECK_IS_ON()
SequenceManager::PrioritySettings::PrioritySettings(
TaskQueue::QueuePriority priority_count,
TaskQueue::QueuePriority default_priority,
std::vector<TimeDelta> per_priority_cross_thread_task_delay,
std::vector<TimeDelta> per_priority_same_thread_task_delay)
: priority_count_(priority_count),
default_priority_(default_priority),
per_priority_cross_thread_task_delay_(
std::move(per_priority_cross_thread_task_delay)),
per_priority_same_thread_task_delay_(
std::move(per_priority_same_thread_task_delay)) {
CheckPriorities(priority_count, default_priority);
DCHECK_EQ(priority_count, per_priority_cross_thread_task_delay_.size());
DCHECK_EQ(priority_count, per_priority_same_thread_task_delay_.size());
}
#endif
perfetto::protos::pbzero::SequenceManagerTask::Priority
SequenceManager::PrioritySettings::TaskPriorityToProto(
TaskQueue::QueuePriority priority) const {
// `proto_priority_converter_` will be null in some unit tests, but those
// tests should not be tracing.
DCHECK(proto_priority_converter_)
<< "A tracing priority-to-proto-priority function was not provided";
return proto_priority_converter_(priority);
}
SequenceManager::PrioritySettings::~PrioritySettings() = default;
SequenceManager::PrioritySettings::PrioritySettings(
PrioritySettings&&) noexcept = default;
SequenceManager::PrioritySettings& SequenceManager::PrioritySettings::operator=(
PrioritySettings&&) = default;
SequenceManager::Settings::Settings() = default;
SequenceManager::Settings::Settings(Settings&& move_from) noexcept = default;
SequenceManager::Settings::~Settings() = default;
SequenceManager::Settings::Builder::Builder() = default;
SequenceManager::Settings::Builder::~Builder() = default;
SequenceManager::Settings::Builder&
SequenceManager::Settings::Builder::SetMessagePumpType(
MessagePumpType message_loop_type_val) {
settings_.message_loop_type = message_loop_type_val;
return *this;
}
SequenceManager::Settings::Builder&
SequenceManager::Settings::Builder::SetShouldSampleCPUTime(bool enable) {
settings_.sample_cpu_time = enable;
return *this;
}
SequenceManager::Settings::Builder&
SequenceManager::Settings::Builder::SetTickClock(const TickClock* clock_val) {
settings_.clock = clock_val;
return *this;
}
SequenceManager::Settings::Builder&
SequenceManager::Settings::Builder::SetAddQueueTimeToTasks(
bool add_queue_time_to_tasks_val) {
settings_.add_queue_time_to_tasks = add_queue_time_to_tasks_val;
return *this;
}
SequenceManager::Settings::Builder&
SequenceManager::Settings::Builder::SetCanRunTasksByBatches(
bool can_run_tasks_by_batches_val) {
settings_.can_run_tasks_by_batches = can_run_tasks_by_batches_val;
return *this;
}
SequenceManager::Settings::Builder&
SequenceManager::Settings::Builder::SetPrioritySettings(
SequenceManager::PrioritySettings settings) {
settings_.priority_settings = std::move(settings);
return *this;
}
#if DCHECK_IS_ON()
SequenceManager::Settings::Builder&
SequenceManager::Settings::Builder::SetRandomTaskSelectionSeed(
uint64_t random_task_selection_seed_val) {
settings_.random_task_selection_seed = random_task_selection_seed_val;
return *this;
}
SequenceManager::Settings::Builder&
SequenceManager::Settings::Builder::SetTaskLogging(
TaskLogging task_execution_logging_val) {
settings_.task_execution_logging = task_execution_logging_val;
return *this;
}
SequenceManager::Settings::Builder&
SequenceManager::Settings::Builder::SetLogPostTask(bool log_post_task_val) {
settings_.log_post_task = log_post_task_val;
return *this;
}
SequenceManager::Settings::Builder&
SequenceManager::Settings::Builder::SetLogTaskDelayExpiry(
bool log_task_delay_expiry_val) {
settings_.log_task_delay_expiry = log_task_delay_expiry_val;
return *this;
}
#endif // DCHECK_IS_ON()
SequenceManager::Settings SequenceManager::Settings::Builder::Build() {
return std::move(settings_);
}
} // namespace base::sequence_manager
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