< prev index next >

src/hotspot/share/memory/metaspace/metaspaceStatistics.cpp

Print this page
rev 57511 : [mq]: metaspace-improvement


   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 #include "precompiled.hpp"
  26 
  27 #include "memory/metaspace/metachunk.hpp"

  28 #include "memory/metaspace/metaspaceCommon.hpp"
  29 #include "memory/metaspace/metaspaceStatistics.hpp"

  30 #include "utilities/debug.hpp"
  31 #include "utilities/globalDefinitions.hpp"
  32 #include "utilities/ostream.hpp"
  33 
  34 namespace metaspace {
  35 
  36 // FreeChunksStatistics methods
  37 
  38 FreeChunksStatistics::FreeChunksStatistics()
  39 : _num(0), _cap(0)
  40 {}
  41 
  42 void FreeChunksStatistics::reset() {
  43   _num = 0; _cap = 0;
  44 }
  45 
  46 void FreeChunksStatistics::add(uintx n, size_t s) {
  47   _num += n; _cap += s;
  48 }
  49 
  50 void FreeChunksStatistics::add(const FreeChunksStatistics& other) {
  51   _num += other._num;
  52   _cap += other._cap;
  53 }
  54 
  55 void FreeChunksStatistics::print_on(outputStream* st, size_t scale) const {
  56   st->print(UINTX_FORMAT, _num);
  57   st->print(" chunks, total capacity ");
  58   print_scaled_words(st, _cap, scale);
  59 }
  60 
  61 // ChunkManagerStatistics methods
  62 
  63 void ChunkManagerStatistics::reset() {
  64   for (ChunkIndex i = ZeroIndex; i < NumberOfInUseLists; i = next_chunk_index(i)) {
  65     _chunk_stats[i].reset();

  66   }
  67 }
  68 
  69 size_t ChunkManagerStatistics::total_capacity() const {
  70   return _chunk_stats[SpecializedIndex].cap() +
  71       _chunk_stats[SmallIndex].cap() +
  72       _chunk_stats[MediumIndex].cap() +
  73       _chunk_stats[HumongousIndex].cap();

  74 }
  75 
  76 void ChunkManagerStatistics::print_on(outputStream* st, size_t scale) const {
  77   FreeChunksStatistics totals;
  78   for (ChunkIndex i = ZeroIndex; i < NumberOfInUseLists; i = next_chunk_index(i)) {

  79     st->cr();
  80     st->print("%12s chunks: ", chunk_size_name(i));
  81     if (_chunk_stats[i].num() > 0) {
  82       st->print(UINTX_FORMAT_W(4) ", capacity ", _chunk_stats[i].num());
  83       print_scaled_words(st, _chunk_stats[i].cap(), scale);








  84     } else {
  85       st->print("(none)");
  86     }
  87     totals.add(_chunk_stats[i]);
  88   }
  89   st->cr();
  90   st->print("%19s: " UINTX_FORMAT_W(4) ", capacity=", "Total", totals.num());
  91   print_scaled_words(st, totals.cap(), scale);


  92   st->cr();
  93 }
  94 
  95 // UsedChunksStatistics methods
  96 
  97 UsedChunksStatistics::UsedChunksStatistics()
  98 : _num(0), _cap(0), _used(0), _free(0), _waste(0), _overhead(0)
  99 {}
 100 
 101 void UsedChunksStatistics::reset() {
 102   _num = 0;
 103   _cap = _overhead = _used = _free = _waste = 0;
 104 }
 105 
 106 void UsedChunksStatistics::add(const UsedChunksStatistics& other) {
 107   _num += other._num;
 108   _cap += other._cap;
 109   _used += other._used;
 110   _free += other._free;
 111   _waste += other._waste;
 112   _overhead += other._overhead;
 113   DEBUG_ONLY(check_sanity());
 114 }
 115 
 116 void UsedChunksStatistics::print_on(outputStream* st, size_t scale) const {
 117   int col = st->position();
 118   st->print(UINTX_FORMAT_W(4) " chunk%s, ", _num, _num != 1 ? "s" : "");
 119   if (_num > 0) {
 120     col += 14; st->fill_to(col);
 121 
 122     print_scaled_words(st, _cap, scale, 5);
 123     st->print(" capacity, ");
 124 
 125     col += 18; st->fill_to(col);
 126     print_scaled_words_and_percentage(st, _used, _cap, scale, 5);
 127     st->print(" used, ");
 128 
 129     col += 20; st->fill_to(col);
 130     print_scaled_words_and_percentage(st, _free, _cap, scale, 5);
 131     st->print(" free, ");
 132 
 133     col += 20; st->fill_to(col);
 134     print_scaled_words_and_percentage(st, _waste, _cap, scale, 5);
 135     st->print(" waste, ");
 136 
 137     col += 20; st->fill_to(col);
 138     print_scaled_words_and_percentage(st, _overhead, _cap, scale, 5);
 139     st->print(" overhead");
 140   }
 141   DEBUG_ONLY(check_sanity());
 142 }
 143 
 144 #ifdef ASSERT
 145 void UsedChunksStatistics::check_sanity() const {
 146   assert(_overhead == (Metachunk::overhead() * _num), "Sanity: Overhead.");
 147   assert(_cap == _used + _free + _waste + _overhead, "Sanity: Capacity.");
 148 }
 149 #endif
 150 
 151 // SpaceManagerStatistics methods
 152 
 153 SpaceManagerStatistics::SpaceManagerStatistics() { reset(); }
 154 
 155 void SpaceManagerStatistics::reset() {
 156   for (int i = 0; i < NumberOfInUseLists; i ++) {
 157     _chunk_stats[i].reset();
 158     _free_blocks_num = 0; _free_blocks_cap_words = 0;
 159   }
 160 }
 161 
 162 void SpaceManagerStatistics::add_free_blocks_info(uintx num, size_t cap) {
 163   _free_blocks_num += num;
 164   _free_blocks_cap_words += cap;
 165 }
 166 
 167 void SpaceManagerStatistics::add(const SpaceManagerStatistics& other) {
 168   for (ChunkIndex i = ZeroIndex; i < NumberOfInUseLists; i = next_chunk_index(i)) {
 169     _chunk_stats[i].add(other._chunk_stats[i]);
 170   }
 171   _free_blocks_num += other._free_blocks_num;
 172   _free_blocks_cap_words += other._free_blocks_cap_words;
 173 }
 174 
 175 // Returns total chunk statistics over all chunk types.
 176 UsedChunksStatistics SpaceManagerStatistics::totals() const {
 177   UsedChunksStatistics stat;
 178   for (ChunkIndex i = ZeroIndex; i < NumberOfInUseLists; i = next_chunk_index(i)) {
 179     stat.add(_chunk_stats[i]);
 180   }
 181   return stat;
 182 }
 183 
 184 void SpaceManagerStatistics::print_on(outputStream* st, size_t scale,  bool detailed) const {
 185   streamIndentor sti(st);
 186   if (detailed) {
 187     st->cr_indent();
 188     st->print("Usage by chunk type:");
 189     {
 190       streamIndentor sti2(st);
 191       for (ChunkIndex i = ZeroIndex; i < NumberOfInUseLists; i = next_chunk_index(i)) {
 192         st->cr_indent();
 193         st->print("%15s: ", chunk_size_name(i));
 194         if (_chunk_stats[i].num() == 0) {
 195           st->print(" (none)");
 196         } else {
 197           _chunk_stats[i].print_on(st, scale);
 198         }
 199       }
 200 
 201       st->cr_indent();
 202       st->print("%15s: ", "-total-");
 203       totals().print_on(st, scale);
 204     }
 205     if (_free_blocks_num > 0) {
 206       st->cr_indent();
 207       st->print("deallocated: " UINTX_FORMAT " blocks with ", _free_blocks_num);
 208       print_scaled_words(st, _free_blocks_cap_words, scale);
 209     }
 210   } else {
 211     totals().print_on(st, scale);
 212     st->print(", ");
 213     st->print("deallocated: " UINTX_FORMAT " blocks with ", _free_blocks_num);
 214     print_scaled_words(st, _free_blocks_cap_words, scale);
 215   }
 216 }
 217 
 218 // ClassLoaderMetaspaceStatistics methods
 219 
 220 ClassLoaderMetaspaceStatistics::ClassLoaderMetaspaceStatistics() { reset(); }
 221 
 222 void ClassLoaderMetaspaceStatistics::reset() {
 223   nonclass_sm_stats().reset();
 224   if (Metaspace::using_class_space()) {
 225     class_sm_stats().reset();
 226   }
 227 }
 228 
 229 // Returns total space manager statistics for both class and non-class metaspace
 230 SpaceManagerStatistics ClassLoaderMetaspaceStatistics::totals() const {
 231   SpaceManagerStatistics stats;
 232   stats.add(nonclass_sm_stats());
 233   if (Metaspace::using_class_space()) {
 234     stats.add(class_sm_stats());
 235   }
 236   return stats;
 237 }
 238 
 239 void ClassLoaderMetaspaceStatistics::add(const ClassLoaderMetaspaceStatistics& other) {
 240   nonclass_sm_stats().add(other.nonclass_sm_stats());
 241   if (Metaspace::using_class_space()) {
 242     class_sm_stats().add(other.class_sm_stats());
 243   }
 244 }
 245 
 246 void ClassLoaderMetaspaceStatistics::print_on(outputStream* st, size_t scale, bool detailed) const {
 247   streamIndentor sti(st);
 248   st->cr_indent();
 249   if (Metaspace::using_class_space()) {
 250     st->print("Non-Class: ");
 251   }
 252   nonclass_sm_stats().print_on(st, scale, detailed);
 253   if (detailed) {
 254     st->cr();
 255   }
 256   if (Metaspace::using_class_space()) {
 257     st->cr_indent();
 258     st->print("    Class: ");
 259     class_sm_stats().print_on(st, scale, detailed);
 260     if (detailed) {
 261       st->cr();
 262     }
 263     st->cr_indent();
 264     st->print("     Both: ");
 265     totals().print_on(st, scale, detailed);
 266     if (detailed) {
 267       st->cr();
 268     }
 269   }
 270   st->cr();
 271 }
 272 
 273 } // end namespace metaspace
 274 
 275 
 276 


   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 #include "precompiled.hpp"
  26 
  27 
  28 #include "memory/metaspace/chunkLevel.hpp"
  29 #include "memory/metaspace/metaspaceCommon.hpp"
  30 #include "memory/metaspace/metaspaceStatistics.hpp"
  31 
  32 #include "utilities/debug.hpp"
  33 #include "utilities/globalDefinitions.hpp"
  34 #include "utilities/ostream.hpp"
  35 
  36 namespace metaspace {
  37 

























  38 // ChunkManagerStatistics methods
  39 
  40 ChunkManagerStatistics::ChunkManagerStatistics() {
  41   for (chklvl_t l = chklvl::LOWEST_CHUNK_LEVEL; l <= chklvl::HIGHEST_CHUNK_LEVEL; l ++) {
  42     num_chunks[l] = 0;
  43     committed_word_size[l] = 0;
  44   }
  45 }
  46 
  47 size_t ChunkManagerStatistics::total_capacity() const {
  48   size_t cap = 0;
  49   for (chklvl_t l = chklvl::LOWEST_CHUNK_LEVEL; l <= chklvl::HIGHEST_CHUNK_LEVEL; l ++) {
  50     cap += num_chunks[l] * chklvl::word_size_for_level(l);
  51   }
  52   return cap;
  53 }
  54 
  55 void ChunkManagerStatistics::print_on(outputStream* st, size_t scale) const {
  56   size_t total_size = 0;
  57   size_t total_committed_size = 0;
  58   for (chklvl_t l = chklvl::LOWEST_CHUNK_LEVEL; l <= chklvl::HIGHEST_CHUNK_LEVEL; l ++) {
  59     st->cr();
  60     st->print(SIZE_FORMAT "K chunks: ", (chklvl::word_size_for_level(l) * BytesPerWord) / K);
  61     if (num_chunks[l] > 0) {
  62       const size_t word_size = num_chunks[l] * chklvl::word_size_for_level(l);
  63 
  64       st->print("%4d, capacity=", num_chunks[l]);
  65       print_scaled_words(st, word_size, scale);
  66 
  67       st->print(", committed=");
  68       print_scaled_words_and_percentage(st, committed_word_size[l], word_size, scale);
  69 
  70       total_size += word_size;
  71       total_committed_size += committed_word_size[l];
  72     } else {
  73       st->print("(none)");
  74     }

  75   }
  76   st->cr();
  77   st->print("Total capacity: ");
  78   print_scaled_words(st, total_size, scale);
  79   st->print(", committed: ");
  80   print_scaled_words_and_percentage(st, total_committed_size, total_size, scale);
  81   st->cr();
  82 }
  83 
  84 // UsedChunksStatistics methods
  85 



















  86 void UsedChunksStatistics::print_on(outputStream* st, size_t scale) const {
  87   int col = st->position();
  88   st->print("%4d chunk%s, ", num, num != 1 ? "s" : "");
  89   if (num > 0) {
  90     col += 14; st->fill_to(col);
  91 
  92     print_scaled_words(st, cap, scale, 5);
  93     st->print(" capacity, ");
  94 
  95     col += 18; st->fill_to(col);
  96     print_scaled_words_and_percentage(st, used, cap, scale, 5);
  97     st->print(" used, ");
  98 
  99     col += 20; st->fill_to(col);
 100     print_scaled_words_and_percentage(st, free, cap, scale, 5);
 101     st->print(" free, ");
 102 
 103     col += 20; st->fill_to(col);
 104     print_scaled_words_and_percentage(st, waste, cap, scale, 5);
 105     st->print(" waste ");
 106 



 107   }
 108   DEBUG_ONLY(check_sanity());
 109 }
 110 
 111 #ifdef ASSERT
 112 void UsedChunksStatistics::check_sanity() const {
 113   assert(cap == used + free + waste, "Sanity: Capacity.");

 114 }
 115 #endif
 116 
 117 // SpaceManagerStatistics methods
 118 














 119 void SpaceManagerStatistics::add(const SpaceManagerStatistics& other) {
 120   for (chklvl_t l = chklvl::LOWEST_CHUNK_LEVEL; l <= chklvl::HIGHEST_CHUNK_LEVEL; l ++) {
 121     chunk_stats[l].add(other.chunk_stats[l]);
 122   }
 123   free_blocks_num += other.free_blocks_num;
 124   free_blocks_word_size += other.free_blocks_word_size;
 125 }
 126 
 127 // Returns total chunk statistics over all chunk types.
 128 UsedChunksStatistics SpaceManagerStatistics::totals() const {
 129   UsedChunksStatistics stat;
 130   for (chklvl_t l = chklvl::LOWEST_CHUNK_LEVEL; l <= chklvl::HIGHEST_CHUNK_LEVEL; l ++) {
 131     stat.add(chunk_stats[l]);
 132   }
 133   return stat;
 134 }
 135 
 136 void SpaceManagerStatistics::print_on(outputStream* st, size_t scale,  bool detailed) const {
 137   streamIndentor sti(st);
 138   if (detailed) {
 139     st->cr_indent();
 140     st->print("Usage by chunk level:");
 141     {
 142       streamIndentor sti2(st);
 143       for (chklvl_t l = chklvl::LOWEST_CHUNK_LEVEL; l <= chklvl::HIGHEST_CHUNK_LEVEL; l ++) {
 144         st->cr_indent();
 145         st->print(SIZE_FORMAT "k chunks: ", (chklvl::word_size_for_level(l) * BytesPerWord) / K);
 146         if (chunk_stats[l].num == 0) {
 147           st->print(" (none)");
 148         } else {
 149           chunk_stats[l].print_on(st, scale);
 150         }
 151       }
 152 
 153       st->cr_indent();
 154       st->print("%15s: ", "-total-");
 155       totals().print_on(st, scale);
 156     }
 157     if (free_blocks_num > 0) {
 158       st->cr_indent();
 159       st->print("deallocated: " UINTX_FORMAT " blocks with ", free_blocks_num);
 160       print_scaled_words(st, free_blocks_word_size, scale);
 161     }
 162   } else {
 163     totals().print_on(st, scale);
 164     st->print(", ");
 165     st->print("deallocated: " UINTX_FORMAT " blocks with ", free_blocks_num);
 166     print_scaled_words(st, free_blocks_word_size, scale);
 167   }
 168 }
 169 
 170 // ClassLoaderMetaspaceStatistics methods
 171 









 172 // Returns total space manager statistics for both class and non-class metaspace
 173 SpaceManagerStatistics ClassLoaderMetaspaceStatistics::totals() const {
 174   SpaceManagerStatistics stats;
 175   stats.add(sm_stats[ClassType]);
 176   stats.add(sm_stats[NonClassType]);


 177   return stats;
 178 }
 179 







 180 void ClassLoaderMetaspaceStatistics::print_on(outputStream* st, size_t scale, bool detailed) const {
 181   streamIndentor sti(st);
 182   st->cr_indent();
 183   if (Metaspace::using_class_space()) {
 184     st->print("Non-Class: ");
 185   }
 186   sm_stats[NonClassType].print_on(st, scale, detailed);
 187   if (detailed) {
 188     st->cr();
 189   }
 190   if (Metaspace::using_class_space()) {
 191     st->cr_indent();
 192     st->print("    Class: ");
 193     sm_stats[ClassType].print_on(st, scale, detailed);
 194     if (detailed) {
 195       st->cr();
 196     }
 197     st->cr_indent();
 198     st->print("     Both: ");
 199     totals().print_on(st, scale, detailed);
 200     if (detailed) {
 201       st->cr();
 202     }
 203   }
 204   st->cr();
 205 }
 206 
 207 } // end namespace metaspace
 208 
 209 
 210 
< prev index next >