#ifndef ANDROID_DVR_PERFORMANCED_PERFORMANCE_SERVICE_H_
#define ANDROID_DVR_PERFORMANCED_PERFORMANCE_SERVICE_H_
#include <string>
#include <unordered_map>
#include <pdx/service.h>
#include "cpu_set.h"
namespace android {
namespace dvr {
// PerformanceService manages compute partitions usings cpusets. Different
// cpusets are assigned specific purposes and performance characteristics;
// clients may request for threads to be moved into these cpusets to help
// achieve system performance goals.
class PerformanceService : public pdx::ServiceBase<PerformanceService> {
public:
pdx::Status<void> HandleMessage(pdx::Message& message) override;
bool IsInitialized() const override;
std::string DumpState(size_t max_length) override;
private:
friend BASE;
PerformanceService();
int OnSetCpuPartition(pdx::Message& message, pid_t task_id,
const std::string& partition);
int OnSetSchedulerClass(pdx::Message& message, pid_t task_id,
const std::string& scheduler_class);
std::string OnGetCpuPartition(pdx::Message& message, pid_t task_id);
CpuSetManager cpuset_;
int sched_fifo_min_priority_;
int sched_fifo_max_priority_;
// Scheduler class config type.
struct SchedulerClassConfig {
unsigned long timer_slack;
int scheduler_policy;
int priority;
};
std::unordered_map<std::string, SchedulerClassConfig> scheduler_classes_;
PerformanceService(const PerformanceService&) = delete;
void operator=(const PerformanceService&) = delete;
};
} // namespace dvr
} // namespace android
#endif // ANDROID_DVR_PERFORMANCED_PERFORMANCE_SERVICE_H_