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comparison src/share/vm/services/memTracker.hpp @ 7971:4102b59539ce

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8005012: Add WB APIs to better support NMT testing Summary: Add WB API functions to enable better NMT testing Reviewed-by: dholmes, zgu
author ctornqvi
date Fri, 01 Feb 2013 23:48:08 +0100
parents ecd24264898b
children 06db4c0afbf3
comparison
equal deleted inserted replaced
7962:4c75576d18d0 7971:4102b59539ce
89 static bool print_memory_usage(BaselineOutputer& out, size_t unit, 89 static bool print_memory_usage(BaselineOutputer& out, size_t unit,
90 bool summary_only = true) { } 90 bool summary_only = true) { }
91 static bool compare_memory_usage(BaselineOutputer& out, size_t unit, 91 static bool compare_memory_usage(BaselineOutputer& out, size_t unit,
92 bool summary_only = true) { } 92 bool summary_only = true) { }
93 93
94 static bool wbtest_wait_for_data_merge() { }
95
94 static inline void sync() { } 96 static inline void sync() { }
95 static inline void thread_exiting(JavaThread* thread) { } 97 static inline void thread_exiting(JavaThread* thread) { }
96
97 }; 98 };
98 99
99 100
100 #else // !INCLUDE_NMT 101 #else // !INCLUDE_NMT
101 102
108 #include "services/memRecorder.hpp" 109 #include "services/memRecorder.hpp"
109 #include "services/memSnapshot.hpp" 110 #include "services/memSnapshot.hpp"
110 #include "services/memTrackWorker.hpp" 111 #include "services/memTrackWorker.hpp"
111 112
112 extern bool NMT_track_callsite; 113 extern bool NMT_track_callsite;
114
115 #ifndef MAX_UNSIGNED_LONG
116 #define MAX_UNSIGNED_LONG (unsigned long)(-1)
117 #endif
113 118
114 #ifdef ASSERT 119 #ifdef ASSERT
115 #define DEBUG_CALLER_PC (NMT_track_callsite ? os::get_caller_pc(2) : 0) 120 #define DEBUG_CALLER_PC (NMT_track_callsite ? os::get_caller_pc(2) : 0)
116 #else 121 #else
117 #define DEBUG_CALLER_PC 0 122 #define DEBUG_CALLER_PC 0
378 bool summary_only = true); 383 bool summary_only = true);
379 // compare memory usage between current snapshot and baseline 384 // compare memory usage between current snapshot and baseline
380 static bool compare_memory_usage(BaselineOutputer& out, size_t unit, 385 static bool compare_memory_usage(BaselineOutputer& out, size_t unit,
381 bool summary_only = true); 386 bool summary_only = true);
382 387
388 // the version for whitebox testing support, it ensures that all memory
389 // activities before this method call, are reflected in the snapshot
390 // database.
391 static bool wbtest_wait_for_data_merge();
392
383 // sync is called within global safepoint to synchronize nmt data 393 // sync is called within global safepoint to synchronize nmt data
384 static void sync(); 394 static void sync();
385 395
386 // called when a thread is about to exit 396 // called when a thread is about to exit
387 static void thread_exiting(JavaThread* thread); 397 static void thread_exiting(JavaThread* thread);
430 static void create_memory_record(address addr, MEMFLAGS type, 440 static void create_memory_record(address addr, MEMFLAGS type,
431 size_t size, address pc, Thread* thread); 441 size_t size, address pc, Thread* thread);
432 static void create_record_in_recorder(address addr, MEMFLAGS type, 442 static void create_record_in_recorder(address addr, MEMFLAGS type,
433 size_t size, address pc, JavaThread* thread); 443 size_t size, address pc, JavaThread* thread);
434 444
445 static void set_current_processing_generation(unsigned long generation) {
446 _worker_thread_idle = false;
447 _processing_generation = generation;
448 }
449
450 static void report_worker_idle() {
451 _worker_thread_idle = true;
452 }
453
435 private: 454 private:
436 // global memory snapshot 455 // global memory snapshot
437 static MemSnapshot* _snapshot; 456 static MemSnapshot* _snapshot;
438 457
439 // a memory baseline of snapshot 458 // a memory baseline of snapshot
481 500
482 // current nmt state 501 // current nmt state
483 static volatile enum NMTStates _state; 502 static volatile enum NMTStates _state;
484 // the reason for shutting down nmt 503 // the reason for shutting down nmt
485 static enum ShutdownReason _reason; 504 static enum ShutdownReason _reason;
505 // the generation that NMT is processing
506 static volatile unsigned long _processing_generation;
507 // although NMT is still procesing current generation, but
508 // there is not more recorder to process, set idle state
509 static volatile bool _worker_thread_idle;
486 }; 510 };
487 511
488 #endif // !INCLUDE_NMT 512 #endif // !INCLUDE_NMT
489 513
490 #endif // SHARE_VM_SERVICES_MEM_TRACKER_HPP 514 #endif // SHARE_VM_SERVICES_MEM_TRACKER_HPP