src/share/vm/services/memReporter.hpp

Fri, 12 Oct 2012 10:49:39 -0700

author
collins
date
Fri, 12 Oct 2012 10:49:39 -0700
changeset 4167
9855b7e559ae
parent 4165
fb19af007ffc
child 4193
716c64bda5ba
permissions
-rw-r--r--

Merge

     1 /*
     2  * Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 #ifndef SHARE_VM_SERVICES_MEM_REPORTER_HPP
    26 #define SHARE_VM_SERVICES_MEM_REPORTER_HPP
    28 #include "runtime/mutexLocker.hpp"
    29 #include "services/memBaseline.hpp"
    30 #include "services/memTracker.hpp"
    31 #include "utilities/ostream.hpp"
    33 #if INCLUDE_NMT
    35 /*
    36  * MemBaselineReporter reports data to this outputer class,
    37  * ReportOutputer is responsible for format, store and redirect
    38  * the data to the final destination.
    39  */
    40 class BaselineOutputer : public StackObj {
    41  public:
    42   // start to report memory usage in specified scale.
    43   // if report_diff = true, the reporter reports baseline comparison
    44   // information.
    46   virtual void start(size_t scale, bool report_diff = false) = 0;
    47   // Done reporting
    48   virtual void done() = 0;
    50   /* report baseline summary information */
    51   virtual void total_usage(size_t total_reserved,
    52                            size_t total_committed) = 0;
    53   virtual void num_of_classes(size_t classes) = 0;
    54   virtual void num_of_threads(size_t threads) = 0;
    56   virtual void thread_info(size_t stack_reserved_amt, size_t stack_committed_amt) = 0;
    58   /* report baseline summary comparison */
    59   virtual void diff_total_usage(size_t total_reserved,
    60                                 size_t total_committed,
    61                                 int reserved_diff,
    62                                 int committed_diff) = 0;
    63   virtual void diff_num_of_classes(size_t classes, int diff) = 0;
    64   virtual void diff_num_of_threads(size_t threads, int diff) = 0;
    66   virtual void diff_thread_info(size_t stack_reserved, size_t stack_committed,
    67         int stack_reserved_diff, int stack_committed_diff) = 0;
    70   /*
    71    * memory summary by memory types.
    72    * for each memory type, following summaries are reported:
    73    *  - reserved amount, committed amount
    74    *  - malloc'd amount, malloc count
    75    *  - arena amount, arena count
    76    */
    78   // start reporting memory summary by memory type
    79   virtual void start_category_summary() = 0;
    81   virtual void category_summary(MEMFLAGS type, size_t reserved_amt,
    82                                 size_t committed_amt,
    83                                 size_t malloc_amt, size_t malloc_count,
    84                                 size_t arena_amt, size_t arena_count) = 0;
    86   virtual void diff_category_summary(MEMFLAGS type, size_t cur_reserved_amt,
    87                                 size_t cur_committed_amt,
    88                                 size_t cur_malloc_amt, size_t cur_malloc_count,
    89                                 size_t cur_arena_amt, size_t cur_arena_count,
    90                                 int reserved_diff, int committed_diff, int malloc_diff,
    91                                 int malloc_count_diff, int arena_diff,
    92                                 int arena_count_diff) = 0;
    94   virtual void done_category_summary() = 0;
    96   /*
    97    *  Report callsite information
    98    */
    99   virtual void start_callsite() = 0;
   100   virtual void malloc_callsite(address pc, size_t malloc_amt, size_t malloc_count) = 0;
   101   virtual void virtual_memory_callsite(address pc, size_t reserved_amt, size_t committed_amt) = 0;
   103   virtual void diff_malloc_callsite(address pc, size_t cur_malloc_amt, size_t cur_malloc_count,
   104               int malloc_diff, int malloc_count_diff) = 0;
   105   virtual void diff_virtual_memory_callsite(address pc, size_t cur_reserved_amt, size_t cur_committed_amt,
   106               int reserved_diff, int committed_diff) = 0;
   108   virtual void done_callsite() = 0;
   110   // return current scale in "KB", "MB" or "GB"
   111   static const char* memory_unit(size_t scale);
   112 };
   114 /*
   115  * This class reports processed data from a baseline or
   116  * the changes between the two baseline.
   117  */
   118 class BaselineReporter : public StackObj {
   119  private:
   120   BaselineOutputer&  _outputer;
   121   size_t             _scale;
   123  public:
   124   // construct a reporter that reports memory usage
   125   // in specified scale
   126   BaselineReporter(BaselineOutputer& outputer, size_t scale = K):
   127     _outputer(outputer) {
   128     _scale = scale;
   129   }
   130   virtual void report_baseline(const MemBaseline& baseline, bool summary_only = false);
   131   virtual void diff_baselines(const MemBaseline& cur, const MemBaseline& prev,
   132                               bool summary_only = false);
   134   void set_scale(size_t scale);
   135   size_t scale() const { return _scale; }
   137  private:
   138   void report_summaries(const MemBaseline& baseline);
   139   void report_callsites(const MemBaseline& baseline);
   141   void diff_summaries(const MemBaseline& cur, const MemBaseline& prev);
   142   void diff_callsites(const MemBaseline& cur, const MemBaseline& prev);
   144   // calculate memory size in current memory scale
   145   size_t amount_in_current_scale(size_t amt) const;
   146   // diff two unsigned values in current memory scale
   147   int    diff_in_current_scale(size_t value1, size_t value2) const;
   148   // diff two unsigned value
   149   int    diff(size_t value1, size_t value2) const;
   150 };
   152 /*
   153  * tty output implementation. Native memory tracking
   154  * DCmd uses this outputer.
   155  */
   156 class BaselineTTYOutputer : public BaselineOutputer {
   157  private:
   158   size_t         _scale;
   160   size_t         _num_of_classes;
   161   size_t         _num_of_threads;
   162   size_t         _thread_stack_reserved;
   163   size_t         _thread_stack_committed;
   165   int            _num_of_classes_diff;
   166   int            _num_of_threads_diff;
   167   int            _thread_stack_reserved_diff;
   168   int            _thread_stack_committed_diff;
   170   outputStream*  _output;
   172  public:
   173   BaselineTTYOutputer(outputStream* st) {
   174     _scale = K;
   175     _num_of_classes = 0;
   176     _num_of_threads = 0;
   177     _thread_stack_reserved = 0;
   178     _thread_stack_committed = 0;
   179     _num_of_classes_diff = 0;
   180     _num_of_threads_diff = 0;
   181     _thread_stack_reserved_diff = 0;
   182     _thread_stack_committed_diff = 0;
   183     _output = st;
   184   }
   186   // begin reporting memory usage in specified scale
   187   void start(size_t scale, bool report_diff = false);
   188   // done reporting
   189   void done();
   191   // total memory usage
   192   void total_usage(size_t total_reserved,
   193                    size_t total_committed);
   194   // report total loaded classes
   195   void num_of_classes(size_t classes) {
   196     _num_of_classes = classes;
   197   }
   199   void num_of_threads(size_t threads) {
   200     _num_of_threads = threads;
   201   }
   203   void thread_info(size_t stack_reserved_amt, size_t stack_committed_amt) {
   204     _thread_stack_reserved = stack_reserved_amt;
   205     _thread_stack_committed = stack_committed_amt;
   206   }
   208   void diff_total_usage(size_t total_reserved,
   209                         size_t total_committed,
   210                         int reserved_diff,
   211                         int committed_diff);
   213   void diff_num_of_classes(size_t classes, int diff) {
   214     _num_of_classes = classes;
   215     _num_of_classes_diff = diff;
   216   }
   218   void diff_num_of_threads(size_t threads, int diff) {
   219     _num_of_threads = threads;
   220     _num_of_threads_diff = diff;
   221   }
   223   void diff_thread_info(size_t stack_reserved_amt, size_t stack_committed_amt,
   224                int stack_reserved_diff, int stack_committed_diff) {
   225     _thread_stack_reserved = stack_reserved_amt;
   226     _thread_stack_committed = stack_committed_amt;
   227     _thread_stack_reserved_diff = stack_reserved_diff;
   228     _thread_stack_committed_diff = stack_committed_diff;
   229   }
   231   /*
   232    * Report memory summary categoriuzed by memory types.
   233    * For each memory type, following summaries are reported:
   234    *  - reserved amount, committed amount
   235    *  - malloc-ed amount, malloc count
   236    *  - arena amount, arena count
   237    */
   238   // start reporting memory summary by memory type
   239   void start_category_summary();
   240   void category_summary(MEMFLAGS type, size_t reserved_amt, size_t committed_amt,
   241                                size_t malloc_amt, size_t malloc_count,
   242                                size_t arena_amt, size_t arena_count);
   244   void diff_category_summary(MEMFLAGS type, size_t cur_reserved_amt,
   245                           size_t cur_committed_amt,
   246                           size_t cur_malloc_amt, size_t cur_malloc_count,
   247                           size_t cur_arena_amt, size_t cur_arena_count,
   248                           int reserved_diff, int committed_diff, int malloc_diff,
   249                           int malloc_count_diff, int arena_diff,
   250                           int arena_count_diff);
   252   void done_category_summary();
   254   /*
   255    *  Report callsite information
   256    */
   257   void start_callsite();
   258   void malloc_callsite(address pc, size_t malloc_amt, size_t malloc_count);
   259   void virtual_memory_callsite(address pc, size_t reserved_amt, size_t committed_amt);
   261   void diff_malloc_callsite(address pc, size_t cur_malloc_amt, size_t cur_malloc_count,
   262               int malloc_diff, int malloc_count_diff);
   263   void diff_virtual_memory_callsite(address pc, size_t cur_reserved_amt, size_t cur_committed_amt,
   264               int reserved_diff, int committed_diff);
   266   void done_callsite();
   267 };
   270 #endif // INCLUDE_NMT
   272 #endif // SHARE_VM_SERVICES_MEM_REPORTER_HPP

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