jdk8-mips64-public/hotspot: src/share/vm/services/memReporter.hpp@833b0f92429a (annotated)

src/share/vm/services/memReporter.hpp@833b0f92429a (annotated)

src/share/vm/services/memReporter.hpp

Wed, 27 Aug 2014 08:19:12 -0400

author: zgu
date: Wed, 27 Aug 2014 08:19:12 -0400
changeset 7074: 833b0f92429a
parent 6198: 55fb97c4c58d
child 7267: 417e3b8d04c5
permissions: -rw-r--r--

8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill

 /*
  * Copyright (c) 2012, 2014, 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
 #if INCLUDE_NMT
 #include "oops/instanceKlass.hpp"
 #include "services/memBaseline.hpp"
 #include "services/nmtCommon.hpp"
 #include "services/mallocTracker.hpp"
 #include "services/virtualMemoryTracker.hpp"
 /*
  * Base class that provides helpers
 */
 class MemReporterBase : public StackObj {
  private:
   size_t        _scale;  // report in this scale
   outputStream* _output; // destination
  public:
   MemReporterBase(outputStream* out = NULL, size_t scale = K)
     : _scale(scale) {
     _output = (out == NULL) ? tty : out;
   }
  protected:
   inline outputStream* output() const {
     return _output;
   }
   // Current reporting scale
   inline const char* current_scale() const {
     return NMTUtil::scale_name(_scale);
   }
   // Convert memory amount in bytes to current reporting scale
   inline size_t amount_in_current_scale(size_t amount) const {
     return NMTUtil::amount_in_scale(amount, _scale);
   }
   // Convert diff amount in bytes to current reporting scale
   inline long diff_in_current_scale(size_t s1, size_t s2) const {
     long amount = (long)(s1 - s2);
     long scale = (long)_scale;
     amount = (amount > 0) ? (amount + scale / 2) : (amount - scale / 2);
     return amount / scale;
   }
   // Helper functions
   // Calculate total reserved and committed amount
   size_t reserved_total(const MallocMemory* malloc, const VirtualMemory* vm) const;
   size_t committed_total(const MallocMemory* malloc, const VirtualMemory* vm) const;
   // Print summary total, malloc and virtual memory
   void print_total(size_t reserved, size_t committed) const;
   void print_malloc(size_t amount, size_t count) const;
   void print_virtual_memory(size_t reserved, size_t committed) const;
   void print_malloc_line(size_t amount, size_t count) const;
   void print_virtual_memory_line(size_t reserved, size_t committed) const;
   void print_arena_line(size_t amount, size_t count) const;
   void print_virtual_memory_region(const char* type, address base, size_t size) const;
 };
 /*
  * The class is for generating summary tracking report.
  */
 class MemSummaryReporter : public MemReporterBase {
  private:
   MallocMemorySnapshot*   _malloc_snapshot;
   VirtualMemorySnapshot*  _vm_snapshot;
   size_t                  _class_count;
  public:
   // Report summary tracking data from global snapshots directly.
   // This constructor is used for final reporting and hs_err reporting.
   MemSummaryReporter(MallocMemorySnapshot* malloc_snapshot,
     VirtualMemorySnapshot* vm_snapshot, outputStream* output,
     size_t class_count = 0, size_t scale = K) :
     MemReporterBase(output, scale),
     _malloc_snapshot(malloc_snapshot),
     _vm_snapshot(vm_snapshot) {
     if (class_count == 0) {
       _class_count = InstanceKlass::number_of_instance_classes();
     } else {
       _class_count = class_count;
     }
   }
   // This constructor is for normal reporting from a recent baseline.
   MemSummaryReporter(MemBaseline& baseline, outputStream* output,
     size_t scale = K) : MemReporterBase(output, scale),
     _malloc_snapshot(baseline.malloc_memory_snapshot()),
     _vm_snapshot(baseline.virtual_memory_snapshot()),
     _class_count(baseline.class_count()) { }
   // Generate summary report
   virtual void report();
  private:
   // Report summary for each memory type
   void report_summary_of_type(MEMFLAGS type, MallocMemory* malloc_memory,
     VirtualMemory* virtual_memory);
 };
 /*
  * The class is for generating detail tracking report.
  */
 class MemDetailReporter : public MemSummaryReporter {
  private:
   MemBaseline&   _baseline;
  public:
   MemDetailReporter(MemBaseline& baseline, outputStream* output, size_t scale = K) :
     MemSummaryReporter(baseline, output, scale),
      _baseline(baseline) { }
   // Generate detail report.
   // The report contains summary and detail sections.
   virtual void report() {
     MemSummaryReporter::report();
     report_virtual_memory_map();
     report_detail();
   }
  private:
   // Report detail tracking data.
   void report_detail();
   // Report virtual memory map
   void report_virtual_memory_map();
   // Report malloc allocation sites
   void report_malloc_sites();
   // Report virtual memory reservation sites
   void report_virtual_memory_allocation_sites();
   // Report a virtual memory region
   void report_virtual_memory_region(const ReservedMemoryRegion* rgn);
 };
 /*
  * The class is for generating summary comparison report.
  * It compares current memory baseline against an early baseline.
  */
 class MemSummaryDiffReporter : public MemReporterBase {
  protected:
   MemBaseline&      _early_baseline;
   MemBaseline&      _current_baseline;
  public:
   MemSummaryDiffReporter(MemBaseline& early_baseline, MemBaseline& current_baseline,
     outputStream* output, size_t scale = K) : MemReporterBase(output, scale),
     _early_baseline(early_baseline), _current_baseline(current_baseline) {
     assert(early_baseline.baseline_type()   != MemBaseline::Not_baselined, "Not baselined");
     assert(current_baseline.baseline_type() != MemBaseline::Not_baselined, "Not baselined");
   }
   // Generate summary comparison report
   virtual void report_diff();
  private:
   // report the comparison of each memory type
   void diff_summary_of_type(MEMFLAGS type,
     const MallocMemory* early_malloc, const VirtualMemory* early_vm,
     const MallocMemory* current_malloc, const VirtualMemory* current_vm) const;
  protected:
   void print_malloc_diff(size_t current_amount, size_t current_count,
     size_t early_amount, size_t early_count) const;
   void print_virtual_memory_diff(size_t current_reserved, size_t current_committed,
     size_t early_reserved, size_t early_committed) const;
   void print_arena_diff(size_t current_amount, size_t current_count,
     size_t early_amount, size_t early_count) const;
 };
 /*
  * The class is for generating detail comparison report.
  * It compares current memory baseline against an early baseline,
  * both baselines have to be detail baseline.
  */
 class MemDetailDiffReporter : public MemSummaryDiffReporter {
  public:
   MemDetailDiffReporter(MemBaseline& early_baseline, MemBaseline& current_baseline,
     outputStream* output, size_t scale = K) :
     MemSummaryDiffReporter(early_baseline, current_baseline, output, scale) { }
   // Generate detail comparison report
   virtual void report_diff();
   // Malloc allocation site comparison
   void diff_malloc_sites() const;
   // Virutal memory reservation site comparison
   void diff_virtual_memory_sites() const;
   // New malloc allocation site in recent baseline
   void new_malloc_site (const MallocSite* site) const;
   // The malloc allocation site is not in recent baseline
   void old_malloc_site (const MallocSite* site) const;
   // Compare malloc allocation site, it is in both baselines
   void diff_malloc_site(const MallocSite* early, const MallocSite* current)  const;
   // New virtual memory allocation site in recent baseline
   void new_virtual_memory_site (const VirtualMemoryAllocationSite* callsite) const;
   // The virtual memory allocation site is not in recent baseline
   void old_virtual_memory_site (const VirtualMemoryAllocationSite* callsite) const;
   // Compare virtual memory allocation site, it is in both baseline
   void diff_virtual_memory_site(const VirtualMemoryAllocationSite* early,
                                 const VirtualMemoryAllocationSite* current)  const;
   void diff_malloc_site(const NativeCallStack* stack, size_t current_size,
     size_t currrent_count, size_t early_size, size_t early_count) const;
   void diff_virtual_memory_site(const NativeCallStack* stack, size_t current_reserved,
     size_t current_committed, size_t early_reserved, size_t early_committed) const;
 };
 #endif // INCLUDE_NMT
 #endif

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/services/memReporter.hpp@833b0f92429a (annotated)

src/share/vm/services/memReporter.hpp