| /* -*- Mode: C++; tab-width: 8; c-basic-offset: 2; indent-tabs-mode: nil; -*- */ |
| |
| #ifndef RR_SYS_CPU_MONITOR_H_ |
| #define RR_SYS_CPU_MONITOR_H_ |
| |
| #include "FileMonitor.h" |
| #include "TaskishUid.h" |
| |
| namespace rr { |
| |
| /** |
| * A FileMonitor to intercept /sys/devices/system/cpu/online (and potentially |
| * other files in that directory in the future) in order to pretend to the |
| * tracee that it only has the CPUs that rr is willing to give it |
| */ |
| class SysCpuMonitor : public FileMonitor { |
| public: |
| SysCpuMonitor(Task* t, const std::string& pathname); |
| |
| virtual Type type() override { return SysCpu; } |
| |
| bool emulate_read(RecordTask* t, const std::vector<Range>& ranges, |
| LazyOffset&, uint64_t* result) override; |
| }; |
| |
| } // namespace rr |
| |
| #endif /* RR_SYS_CPU_MONITOR_H_ */ |
