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src/hotspot/share/gc/g1/g1CollectedHeap.hpp

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rev 53920 : imported patch 8218880-g1-crashes-periodic-gc-gclocker
rev 53921 : [mq]: 8218880-shade-review
rev 53924 : imported patch 8219747-remove-g1-prefix
rev 53925 : imported patch 8219747-shade-review
rev 53926 : imported patch 8219748-add-and-use-timing-object
rev 53927 : [mq]: 8219856-spell-out-hetero


1349   // Perform verification.
1350 
1351   // vo == UsePrevMarking -> use "prev" marking information,
1352   // vo == UseNextMarking -> use "next" marking information
1353   // vo == UseFullMarking -> use "next" marking bitmap but no TAMS
1354   //
1355   // NOTE: Only the "prev" marking information is guaranteed to be
1356   // consistent most of the time, so most calls to this should use
1357   // vo == UsePrevMarking.
1358   // Currently, there is only one case where this is called with
1359   // vo == UseNextMarking, which is to verify the "next" marking
1360   // information at the end of remark.
1361   // Currently there is only one place where this is called with
1362   // vo == UseFullMarking, which is to verify the marking during a
1363   // full GC.
1364   void verify(VerifyOption vo);
1365 
1366   // WhiteBox testing support.
1367   virtual bool supports_concurrent_phase_control() const;
1368   virtual bool request_concurrent_phase(const char* phase);
1369   bool is_hetero_heap() const;
1370 
1371   virtual WorkGang* get_safepoint_workers() { return _workers; }
1372 
1373   // The methods below are here for convenience and dispatch the
1374   // appropriate method depending on value of the given VerifyOption
1375   // parameter. The values for that parameter, and their meanings,
1376   // are the same as those above.
1377 
1378   bool is_obj_dead_cond(const oop obj,
1379                         const HeapRegion* hr,
1380                         const VerifyOption vo) const;
1381 
1382   bool is_obj_dead_cond(const oop obj,
1383                         const VerifyOption vo) const;
1384 
1385   G1HeapSummary create_g1_heap_summary();
1386   G1EvacSummary create_g1_evac_summary(G1EvacStats* stats);
1387 
1388   // Printing
1389 private:




1349   // Perform verification.
1350 
1351   // vo == UsePrevMarking -> use "prev" marking information,
1352   // vo == UseNextMarking -> use "next" marking information
1353   // vo == UseFullMarking -> use "next" marking bitmap but no TAMS
1354   //
1355   // NOTE: Only the "prev" marking information is guaranteed to be
1356   // consistent most of the time, so most calls to this should use
1357   // vo == UsePrevMarking.
1358   // Currently, there is only one case where this is called with
1359   // vo == UseNextMarking, which is to verify the "next" marking
1360   // information at the end of remark.
1361   // Currently there is only one place where this is called with
1362   // vo == UseFullMarking, which is to verify the marking during a
1363   // full GC.
1364   void verify(VerifyOption vo);
1365 
1366   // WhiteBox testing support.
1367   virtual bool supports_concurrent_phase_control() const;
1368   virtual bool request_concurrent_phase(const char* phase);
1369   bool is_heterogeneous_heap() const;
1370 
1371   virtual WorkGang* get_safepoint_workers() { return _workers; }
1372 
1373   // The methods below are here for convenience and dispatch the
1374   // appropriate method depending on value of the given VerifyOption
1375   // parameter. The values for that parameter, and their meanings,
1376   // are the same as those above.
1377 
1378   bool is_obj_dead_cond(const oop obj,
1379                         const HeapRegion* hr,
1380                         const VerifyOption vo) const;
1381 
1382   bool is_obj_dead_cond(const oop obj,
1383                         const VerifyOption vo) const;
1384 
1385   G1HeapSummary create_g1_heap_summary();
1386   G1EvacSummary create_g1_evac_summary(G1EvacStats* stats);
1387 
1388   // Printing
1389 private:
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