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comparison src/share/vm/utilities/numberSeq.hpp @ 6197:d2a62e0f25eb

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6995781: Native Memory Tracking (Phase 1) 7151532: DCmd for hotspot native memory tracking Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd Reviewed-by: acorn, coleenp, fparain
author zgu
date Thu, 28 Jun 2012 17:03:16 -0400
parents bbc900c2482a
children
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6174:74533f63b116 6197:d2a62e0f25eb
23 */ 23 */
24 24
25 #ifndef SHARE_VM_UTILITIES_NUMBERSEQ_HPP 25 #ifndef SHARE_VM_UTILITIES_NUMBERSEQ_HPP
26 #define SHARE_VM_UTILITIES_NUMBERSEQ_HPP 26 #define SHARE_VM_UTILITIES_NUMBERSEQ_HPP
27 27
28 #include "memory/allocation.hpp"
29
28 /** 30 /**
29 ** This file contains a few classes that represent number sequence, 31 ** This file contains a few classes that represent number sequence,
30 ** x1, x2, x3, ..., xN, and can calculate their avg, max, and sd. 32 ** x1, x2, x3, ..., xN, and can calculate their avg, max, and sd.
31 ** 33 **
32 ** Here's a quick description of the classes: 34 ** Here's a quick description of the classes:
38 ** of the sequence and calculates avg, max, and sd only over them 40 ** of the sequence and calculates avg, max, and sd only over them
39 **/ 41 **/
40 42
41 #define DEFAULT_ALPHA_VALUE 0.7 43 #define DEFAULT_ALPHA_VALUE 0.7
42 44
43 class AbsSeq { 45 class AbsSeq: public CHeapObj<mtInternal> {
44 private: 46 private:
45 void init(double alpha); 47 void init(double alpha);
46 48
47 protected: 49 protected:
48 int _num; // the number of elements in the sequence 50 int _num; // the number of elements in the sequence