aoqi@0: /*
aoqi@0:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP
aoqi@0: #define SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP
aoqi@0: 
aoqi@0: #include "memory/allocation.hpp"
aoqi@0: #include "runtime/os.hpp"
aoqi@0: 
aoqi@0: // Macros for GC log output formating
aoqi@0: #define G1_STRDEDUP_OBJECTS_FORMAT         UINTX_FORMAT_W(12)
aoqi@0: #define G1_STRDEDUP_TIME_FORMAT            "%1.7lf secs"
aoqi@0: #define G1_STRDEDUP_PERCENT_FORMAT         "%5.1lf%%"
aoqi@0: #define G1_STRDEDUP_PERCENT_FORMAT_NS      "%.1lf%%"
aoqi@0: #define G1_STRDEDUP_BYTES_FORMAT           "%8.1lf%s"
aoqi@0: #define G1_STRDEDUP_BYTES_FORMAT_NS        "%.1lf%s"
aoqi@0: #define G1_STRDEDUP_BYTES_PARAM(bytes)     byte_size_in_proper_unit((double)(bytes)), proper_unit_for_byte_size((bytes))
aoqi@0: 
aoqi@0: //
aoqi@0: // Statistics gathered by the deduplication thread.
aoqi@0: //
aoqi@0: class G1StringDedupStat : public StackObj {
aoqi@0: private:
aoqi@0:   // Counters
aoqi@0:   uintx  _inspected;
aoqi@0:   uintx  _skipped;
aoqi@0:   uintx  _hashed;
aoqi@0:   uintx  _known;
aoqi@0:   uintx  _new;
aoqi@0:   uintx  _new_bytes;
aoqi@0:   uintx  _deduped;
aoqi@0:   uintx  _deduped_bytes;
aoqi@0:   uintx  _deduped_young;
aoqi@0:   uintx  _deduped_young_bytes;
aoqi@0:   uintx  _deduped_old;
aoqi@0:   uintx  _deduped_old_bytes;
aoqi@0:   uintx  _idle;
aoqi@0:   uintx  _exec;
aoqi@0:   uintx  _block;
aoqi@0: 
aoqi@0:   // Time spent by the deduplication thread in different phases
aoqi@0:   double _start;
aoqi@0:   double _idle_elapsed;
aoqi@0:   double _exec_elapsed;
aoqi@0:   double _block_elapsed;
aoqi@0: 
aoqi@0: public:
aoqi@0:   G1StringDedupStat();
aoqi@0: 
aoqi@0:   void inc_inspected() {
aoqi@0:     _inspected++;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void inc_skipped() {
aoqi@0:     _skipped++;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void inc_hashed() {
aoqi@0:     _hashed++;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void inc_known() {
aoqi@0:     _known++;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void inc_new(uintx bytes) {
aoqi@0:     _new++;
aoqi@0:     _new_bytes += bytes;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void inc_deduped_young(uintx bytes) {
aoqi@0:     _deduped++;
aoqi@0:     _deduped_bytes += bytes;
aoqi@0:     _deduped_young++;
aoqi@0:     _deduped_young_bytes += bytes;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void inc_deduped_old(uintx bytes) {
aoqi@0:     _deduped++;
aoqi@0:     _deduped_bytes += bytes;
aoqi@0:     _deduped_old++;
aoqi@0:     _deduped_old_bytes += bytes;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void mark_idle() {
aoqi@0:     _start = os::elapsedTime();
aoqi@0:     _idle++;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void mark_exec() {
aoqi@0:     double now = os::elapsedTime();
aoqi@0:     _idle_elapsed = now - _start;
aoqi@0:     _start = now;
aoqi@0:     _exec++;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void mark_block() {
aoqi@0:     double now = os::elapsedTime();
aoqi@0:     _exec_elapsed += now - _start;
aoqi@0:     _start = now;
aoqi@0:     _block++;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void mark_unblock() {
aoqi@0:     double now = os::elapsedTime();
aoqi@0:     _block_elapsed += now - _start;
aoqi@0:     _start = now;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void mark_done() {
aoqi@0:     double now = os::elapsedTime();
aoqi@0:     _exec_elapsed += now - _start;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void add(const G1StringDedupStat& stat);
aoqi@0: 
aoqi@0:   static void print_summary(outputStream* st, const G1StringDedupStat& last_stat, const G1StringDedupStat& total_stat);
aoqi@0:   static void print_statistics(outputStream* st, const G1StringDedupStat& stat, bool total);
aoqi@0: };
aoqi@0: 
aoqi@0: #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPSTAT_HPP