jdk8-mips64-public/hotspot: src/share/vm/services/memReporter.hpp@716c64bda5ba (annotated)

src/share/vm/services/memReporter.hpp@716c64bda5ba (annotated)

src/share/vm/services/memReporter.hpp

Fri, 19 Oct 2012 21:40:07 -0400

author: zgu
date: Fri, 19 Oct 2012 21:40:07 -0400
changeset 4193: 716c64bda5ba
parent 4165: fb19af007ffc
child 4376: 79f492f184d0
permissions: -rw-r--r--

7199092: NMT: NMT needs to deal overlapped virtual memory ranges
Summary: Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map.
Reviewed-by: acorn, coleenp

 /*
  * Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #ifndef SHARE_VM_SERVICES_MEM_REPORTER_HPP
 #define SHARE_VM_SERVICES_MEM_REPORTER_HPP
 #include "runtime/mutexLocker.hpp"
 #include "services/memBaseline.hpp"
 #include "services/memTracker.hpp"
 #include "utilities/ostream.hpp"
 #if INCLUDE_NMT
 /*
  * MemBaselineReporter reports data to this outputer class,
  * ReportOutputer is responsible for format, store and redirect
  * the data to the final destination.
  */
 class BaselineOutputer : public StackObj {
  public:
   // start to report memory usage in specified scale.
   // if report_diff = true, the reporter reports baseline comparison
   // information.
   virtual void start(size_t scale, bool report_diff = false) = 0;
   // Done reporting
   virtual void done() = 0;
   /* report baseline summary information */
   virtual void total_usage(size_t total_reserved,
                            size_t total_committed) = 0;
   virtual void num_of_classes(size_t classes) = 0;
   virtual void num_of_threads(size_t threads) = 0;
   virtual void thread_info(size_t stack_reserved_amt, size_t stack_committed_amt) = 0;
   /* report baseline summary comparison */
   virtual void diff_total_usage(size_t total_reserved,
                                 size_t total_committed,
                                 int reserved_diff,
                                 int committed_diff) = 0;
   virtual void diff_num_of_classes(size_t classes, int diff) = 0;
   virtual void diff_num_of_threads(size_t threads, int diff) = 0;
   virtual void diff_thread_info(size_t stack_reserved, size_t stack_committed,
         int stack_reserved_diff, int stack_committed_diff) = 0;
   /*
    * memory summary by memory types.
    * for each memory type, following summaries are reported:
    *  - reserved amount, committed amount
    *  - malloc'd amount, malloc count
    *  - arena amount, arena count
    */
   // start reporting memory summary by memory type
   virtual void start_category_summary() = 0;
   virtual void category_summary(MEMFLAGS type, size_t reserved_amt,
                                 size_t committed_amt,
                                 size_t malloc_amt, size_t malloc_count,
                                 size_t arena_amt, size_t arena_count) = 0;
   virtual void diff_category_summary(MEMFLAGS type, size_t cur_reserved_amt,
                                 size_t cur_committed_amt,
                                 size_t cur_malloc_amt, size_t cur_malloc_count,
                                 size_t cur_arena_amt, size_t cur_arena_count,
                                 int reserved_diff, int committed_diff, int malloc_diff,
                                 int malloc_count_diff, int arena_diff,
                                 int arena_count_diff) = 0;
   virtual void done_category_summary() = 0;
   virtual void start_virtual_memory_map() = 0;
   virtual void reserved_memory_region(MEMFLAGS type, address base, address end, size_t size, address pc) = 0;
   virtual void committed_memory_region(address base, address end, size_t size, address pc) = 0;
   virtual void done_virtual_memory_map() = 0;
   /*
    *  Report callsite information
    */
   virtual void start_callsite() = 0;
   virtual void malloc_callsite(address pc, size_t malloc_amt, size_t malloc_count) = 0;
   virtual void virtual_memory_callsite(address pc, size_t reserved_amt, size_t committed_amt) = 0;
   virtual void diff_malloc_callsite(address pc, size_t cur_malloc_amt, size_t cur_malloc_count,
               int malloc_diff, int malloc_count_diff) = 0;
   virtual void diff_virtual_memory_callsite(address pc, size_t cur_reserved_amt, size_t cur_committed_amt,
               int reserved_diff, int committed_diff) = 0;
   virtual void done_callsite() = 0;
   // return current scale in "KB", "MB" or "GB"
   static const char* memory_unit(size_t scale);
 };
 /*
  * This class reports processed data from a baseline or
  * the changes between the two baseline.
  */
 class BaselineReporter : public StackObj {
  private:
   BaselineOutputer&  _outputer;
   size_t             _scale;
  public:
   // construct a reporter that reports memory usage
   // in specified scale
   BaselineReporter(BaselineOutputer& outputer, size_t scale = K):
     _outputer(outputer) {
     _scale = scale;
   }
   virtual void report_baseline(const MemBaseline& baseline, bool summary_only = false);
   virtual void diff_baselines(const MemBaseline& cur, const MemBaseline& prev,
                               bool summary_only = false);
   void set_scale(size_t scale);
   size_t scale() const { return _scale; }
  private:
   void report_summaries(const MemBaseline& baseline);
   void report_virtual_memory_map(const MemBaseline& baseline);
   void report_callsites(const MemBaseline& baseline);
   void diff_summaries(const MemBaseline& cur, const MemBaseline& prev);
   void diff_callsites(const MemBaseline& cur, const MemBaseline& prev);
   // calculate memory size in current memory scale
   size_t amount_in_current_scale(size_t amt) const;
   // diff two unsigned values in current memory scale
   int    diff_in_current_scale(size_t value1, size_t value2) const;
   // diff two unsigned value
   int    diff(size_t value1, size_t value2) const;
 };
 /*
  * tty output implementation. Native memory tracking
  * DCmd uses this outputer.
  */
 class BaselineTTYOutputer : public BaselineOutputer {
  private:
   size_t         _scale;
   size_t         _num_of_classes;
   size_t         _num_of_threads;
   size_t         _thread_stack_reserved;
   size_t         _thread_stack_committed;
   int            _num_of_classes_diff;
   int            _num_of_threads_diff;
   int            _thread_stack_reserved_diff;
   int            _thread_stack_committed_diff;
   outputStream*  _output;
  public:
   BaselineTTYOutputer(outputStream* st) {
     _scale = K;
     _num_of_classes = 0;
     _num_of_threads = 0;
     _thread_stack_reserved = 0;
     _thread_stack_committed = 0;
     _num_of_classes_diff = 0;
     _num_of_threads_diff = 0;
     _thread_stack_reserved_diff = 0;
     _thread_stack_committed_diff = 0;
     _output = st;
   }
   // begin reporting memory usage in specified scale
   void start(size_t scale, bool report_diff = false);
   // done reporting
   void done();
   // total memory usage
   void total_usage(size_t total_reserved,
                    size_t total_committed);
   // report total loaded classes
   void num_of_classes(size_t classes) {
     _num_of_classes = classes;
   }
   void num_of_threads(size_t threads) {
     _num_of_threads = threads;
   }
   void thread_info(size_t stack_reserved_amt, size_t stack_committed_amt) {
     _thread_stack_reserved = stack_reserved_amt;
     _thread_stack_committed = stack_committed_amt;
   }
   void diff_total_usage(size_t total_reserved,
                         size_t total_committed,
                         int reserved_diff,
                         int committed_diff);
   void diff_num_of_classes(size_t classes, int diff) {
     _num_of_classes = classes;
     _num_of_classes_diff = diff;
   }
   void diff_num_of_threads(size_t threads, int diff) {
     _num_of_threads = threads;
     _num_of_threads_diff = diff;
   }
   void diff_thread_info(size_t stack_reserved_amt, size_t stack_committed_amt,
                int stack_reserved_diff, int stack_committed_diff) {
     _thread_stack_reserved = stack_reserved_amt;
     _thread_stack_committed = stack_committed_amt;
     _thread_stack_reserved_diff = stack_reserved_diff;
     _thread_stack_committed_diff = stack_committed_diff;
   }
   /*
    * Report memory summary categoriuzed by memory types.
    * For each memory type, following summaries are reported:
    *  - reserved amount, committed amount
    *  - malloc-ed amount, malloc count
    *  - arena amount, arena count
    */
   // start reporting memory summary by memory type
   void start_category_summary();
   void category_summary(MEMFLAGS type, size_t reserved_amt, size_t committed_amt,
                                size_t malloc_amt, size_t malloc_count,
                                size_t arena_amt, size_t arena_count);
   void diff_category_summary(MEMFLAGS type, size_t cur_reserved_amt,
                           size_t cur_committed_amt,
                           size_t cur_malloc_amt, size_t cur_malloc_count,
                           size_t cur_arena_amt, size_t cur_arena_count,
                           int reserved_diff, int committed_diff, int malloc_diff,
                           int malloc_count_diff, int arena_diff,
                           int arena_count_diff);
   void done_category_summary();
   // virtual memory map
   void start_virtual_memory_map();
   void reserved_memory_region(MEMFLAGS type, address base, address end, size_t size, address pc);
   void committed_memory_region(address base, address end, size_t size, address pc);
   void done_virtual_memory_map();
   /*
    *  Report callsite information
    */
   void start_callsite();
   void malloc_callsite(address pc, size_t malloc_amt, size_t malloc_count);
   void virtual_memory_callsite(address pc, size_t reserved_amt, size_t committed_amt);
   void diff_malloc_callsite(address pc, size_t cur_malloc_amt, size_t cur_malloc_count,
               int malloc_diff, int malloc_count_diff);
   void diff_virtual_memory_callsite(address pc, size_t cur_reserved_amt, size_t cur_committed_amt,
               int reserved_diff, int committed_diff);
   void done_callsite();
 };
 #endif // INCLUDE_NMT
 #endif // SHARE_VM_SERVICES_MEM_REPORTER_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/services/memReporter.hpp@716c64bda5ba (annotated)

src/share/vm/services/memReporter.hpp