--- a/hotspot/src/share/vm/services/memReporter.hpp Tue Aug 05 14:18:44 2014 +0000
+++ b/hotspot/src/share/vm/services/memReporter.hpp Thu Aug 07 12:18:58 2014 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -25,262 +25,217 @@
#ifndef SHARE_VM_SERVICES_MEM_REPORTER_HPP
#define SHARE_VM_SERVICES_MEM_REPORTER_HPP
-#include "runtime/mutexLocker.hpp"
+#if INCLUDE_NMT
+
+#include "oops/instanceKlass.hpp"
#include "services/memBaseline.hpp"
-#include "services/memTracker.hpp"
-#include "utilities/ostream.hpp"
-#include "utilities/macros.hpp"
-
-#if INCLUDE_NMT
+#include "services/nmtCommon.hpp"
+#include "services/mallocTracker.hpp"
+#include "services/virtualMemoryTracker.hpp"
/*
- * 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 {
+ * Base class that provides helpers
+*/
+class MemReporterBase : public StackObj {
+ private:
+ size_t _scale; // report in this scale
+ outputStream* _output; // destination
+
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;
+ MemReporterBase(outputStream* out = NULL, size_t scale = K)
+ : _scale(scale) {
+ _output = (out == NULL) ? tty : out;
+ }
- /* 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;
+ 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);
+ }
- /* 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;
+ // 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;
+ }
- virtual void diff_thread_info(size_t stack_reserved, size_t stack_committed,
- int stack_reserved_diff, int stack_committed_diff) = 0;
+ // 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;
- /*
- * 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
- */
+ // 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;
- // start reporting memory summary by memory type
- virtual void start_category_summary() = 0;
+ 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;
- 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;
+ void print_virtual_memory_region(const char* type, address base, size_t size) const;
+};
- 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;
+/*
+ * The class is for generating summary tracking report.
+ */
+class MemSummaryReporter : public MemReporterBase {
+ private:
+ MallocMemorySnapshot* _malloc_snapshot;
+ VirtualMemorySnapshot* _vm_snapshot;
+ size_t _class_count;
- 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;
+ 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()) { }
- /*
- * 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);
+ // 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);
};
/*
- * This class reports processed data from a baseline or
- * the changes between the two baseline.
+ * The class is for generating detail tracking report.
*/
-class BaselineReporter : public StackObj {
+class MemDetailReporter : public MemSummaryReporter {
private:
- BaselineOutputer& _outputer;
- size_t _scale;
+ MemBaseline& _baseline;
public:
- // construct a reporter that reports memory usage
- // in specified scale
- BaselineReporter(BaselineOutputer& outputer, size_t scale = K):
- _outputer(outputer) {
- _scale = scale;
+ 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();
}
- 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);
+ // 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();
- // 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;
+ // Report a virtual memory region
+ void report_virtual_memory_region(const ReservedMemoryRegion* rgn);
};
/*
- * tty output implementation. Native memory tracking
- * DCmd uses this outputer.
+ * The class is for generating summary comparison report.
+ * It compares current memory baseline against an early baseline.
*/
-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;
+class MemSummaryDiffReporter : public MemReporterBase {
+ protected:
+ MemBaseline& _early_baseline;
+ MemBaseline& _current_baseline;
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;
+ 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");
}
- 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;
- }
+ // Generate summary comparison report
+ virtual void report_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);
+ 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;
- 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();
+ 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 // SHARE_VM_SERVICES_MEM_REPORTER_HPP
+#endif
+