52   spvtools::utils::ScopedTimer<spvtools::utils::Timer> timer##__LINE__( \
94 class Timer {
96   Timer(std::ostream* out, bool measure_mem_usage = false)
169   virtual ~Timer() {}  in ~Timer()
294 class CumulativeTimer : public Timer {
297       : Timer(out, measure_mem_usage),  in Timer()  function
308     Timer::Stop();  in Stop()
310     if (cpu_time_ >= 0 && Timer::CPUTime() >= 0)  in Stop()
311       cpu_time_ += Timer::CPUTime();  in Stop()
315     if (wall_time_ >= 0 && Timer::WallTime() >= 0)  in Stop()
316       wall_time_ += Timer::WallTime();  in Stop()
320     if (usr_time_ >= 0 && Timer::UserTime() >= 0)  in Stop()
321       usr_time_ += Timer::UserTime();  in Stop()
325     if (sys_time_ >= 0 && Timer::SystemTime() >= 0)  in Stop()
326       sys_time_ += Timer::SystemTime();  in Stop()
330     if (rss_ >= 0 && Timer::RSS() >= 0)  in Stop()
331       rss_ += Timer::RSS();  in Stop()
335     if (pgfaults_ >= 0 && Timer::PageFault() >= 0)  in Stop()
336       pgfaults_ += Timer::PageFault();  in Stop()