Mercurial > hg > graal-jvmci-8
diff src/share/vm/services/memReporter.hpp @ 6197:d2a62e0f25eb
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 |
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date | Thu, 28 Jun 2012 17:03:16 -0400 |
parents | |
children | fb19af007ffc |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/services/memReporter.hpp Thu Jun 28 17:03:16 2012 -0400 @@ -0,0 +1,268 @@ +/* + * 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" + +/* + * 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; + + /* + * 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_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(); + + /* + * 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 // SHARE_VM_SERVICES_MEM_REPORTER_HPP