326 void sample_and_collect(ZStatSamplerHistory* history) const;
327 bool should_print(LogTargetHandle log) const;
328 void print(LogTargetHandle log, const ZStatSamplerHistory* history) const;
329
330 protected:
331 virtual void run_service();
332 virtual void stop_service();
333
334 public:
335 ZStat();
336 };
337
338 //
339 // Stat cycle
340 //
341 class ZStatCycle : public AllStatic {
342 private:
343 static uint64_t _ncycles;
344 static Ticks _start_of_last;
345 static Ticks _end_of_last;
346 static NumberSeq _duration;
347
348 public:
349 static void at_start();
350 static void at_end(double boost_factor);
351
352 static uint64_t ncycles();
353 static const AbsSeq& duration();
354 static double time_since_last();
355 };
356
357 //
358 // Stat load
359 //
360 class ZStatLoad : public AllStatic {
361 public:
362 static void print();
363 };
364
365 //
366 // Stat mark
367 //
368 class ZStatMark : public AllStatic {
369 private:
370 static size_t _nstripes;
371 static size_t _nproactiveflush;
372 static size_t _nterminateflush;
373 static size_t _ntrycomplete;
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326 void sample_and_collect(ZStatSamplerHistory* history) const;
327 bool should_print(LogTargetHandle log) const;
328 void print(LogTargetHandle log, const ZStatSamplerHistory* history) const;
329
330 protected:
331 virtual void run_service();
332 virtual void stop_service();
333
334 public:
335 ZStat();
336 };
337
338 //
339 // Stat cycle
340 //
341 class ZStatCycle : public AllStatic {
342 private:
343 static uint64_t _ncycles;
344 static Ticks _start_of_last;
345 static Ticks _end_of_last;
346 static NumberSeq _normalized_duration;
347
348 public:
349 static void at_start();
350 static void at_end(double boost_factor);
351
352 static uint64_t ncycles();
353 static const AbsSeq& normalized_duration();
354 static double time_since_last();
355 };
356
357 //
358 // Stat load
359 //
360 class ZStatLoad : public AllStatic {
361 public:
362 static void print();
363 };
364
365 //
366 // Stat mark
367 //
368 class ZStatMark : public AllStatic {
369 private:
370 static size_t _nstripes;
371 static size_t _nproactiveflush;
372 static size_t _nterminateflush;
373 static size_t _ntrycomplete;
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