1 /*
   2  * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.java2d.marlin;
  27 
  28 import java.security.AccessController;
  29 import java.security.PrivilegedAction;
  30 import java.util.Timer;
  31 import java.util.TimerTask;
  32 import java.util.concurrent.ConcurrentLinkedQueue;
  33 import jdk.internal.ref.CleanerFactory;
  34 import sun.java2d.marlin.ArrayCacheConst.CacheStats;
  35 import static sun.java2d.marlin.MarlinUtils.logInfo;
  36 import sun.java2d.marlin.stats.Histogram;
  37 import sun.java2d.marlin.stats.Monitor;
  38 import sun.java2d.marlin.stats.StatLong;
  39 import sun.awt.util.ThreadGroupUtils;
  40 
  41 /**
  42  * This class gathers global rendering statistics for debugging purposes only
  43  */
  44 public final class RendererStats implements MarlinConst {
  45 
  46     static RendererStats createInstance(final Object parent, final String name)
  47     {
  48         final RendererStats stats = new RendererStats(name);
  49 
  50         // Keep a strong reference to dump it later:
  51         RendererStatsHolder.getInstance().add(parent, stats);
  52 
  53         return stats;
  54     }
  55 
  56     public static void dumpStats() {
  57         RendererStatsHolder.dumpStats();
  58     }
  59 
  60     // context name (debugging purposes)
  61     final String name;
  62     // stats
  63     final StatLong stat_cache_rowAA
  64         = new StatLong("cache.rowAA");
  65     final StatLong stat_cache_rowAAChunk
  66         = new StatLong("cache.rowAAChunk");
  67     final StatLong stat_cache_tiles
  68         = new StatLong("cache.tiles");




  69     final StatLong stat_rdr_addLine
  70         = new StatLong("renderer.addLine");
  71     final StatLong stat_rdr_addLine_skip
  72         = new StatLong("renderer.addLine.skip");
  73     final StatLong stat_rdr_curveBreak
  74         = new StatLong("renderer.curveBreakIntoLinesAndAdd");
  75     final StatLong stat_rdr_curveBreak_dec
  76         = new StatLong("renderer.curveBreakIntoLinesAndAdd.dec");
  77     final StatLong stat_rdr_curveBreak_inc
  78         = new StatLong("renderer.curveBreakIntoLinesAndAdd.inc");
  79     final StatLong stat_rdr_quadBreak
  80         = new StatLong("renderer.quadBreakIntoLinesAndAdd");
  81     final StatLong stat_rdr_quadBreak_dec
  82         = new StatLong("renderer.quadBreakIntoLinesAndAdd.dec");
  83     final StatLong stat_rdr_edges
  84         = new StatLong("renderer.edges");
  85     final StatLong stat_rdr_edges_count
  86         = new StatLong("renderer.edges.count");
  87     final StatLong stat_rdr_edges_resizes
  88         = new StatLong("renderer.edges.resize");
  89     final StatLong stat_rdr_activeEdges
  90         = new StatLong("renderer.activeEdges");
  91     final StatLong stat_rdr_activeEdges_updates
  92         = new StatLong("renderer.activeEdges.updates");
  93     final StatLong stat_rdr_activeEdges_adds
  94         = new StatLong("renderer.activeEdges.adds");
  95     final StatLong stat_rdr_activeEdges_adds_high
  96         = new StatLong("renderer.activeEdges.adds_high");
  97     final StatLong stat_rdr_crossings_updates
  98         = new StatLong("renderer.crossings.updates");
  99     final StatLong stat_rdr_crossings_sorts
 100         = new StatLong("renderer.crossings.sorts");
 101     final StatLong stat_rdr_crossings_bsearch
 102         = new StatLong("renderer.crossings.bsearch");
 103     final StatLong stat_rdr_crossings_msorts
 104         = new StatLong("renderer.crossings.msorts");
 105     final StatLong stat_str_polystack_curves
 106         = new StatLong("stroker.polystack.curves");
 107     final StatLong stat_str_polystack_types
 108         = new StatLong("stroker.polystack.types");
 109     final StatLong stat_cpd_polystack_curves
 110         = new StatLong("closedPathDetector.polystack.curves");
 111     final StatLong stat_cpd_polystack_types
 112         = new StatLong("closedPathDetector.polystack.types");
 113     // growable arrays
 114     final StatLong stat_array_dasher_dasher
 115         = new StatLong("array.dasher.dasher.d_float");
 116     final StatLong stat_array_dasher_firstSegmentsBuffer
 117         = new StatLong("array.dasher.firstSegmentsBuffer.d_float");




 118     final StatLong stat_array_marlincache_rowAAChunk
 119         = new StatLong("array.marlincache.rowAAChunk.resize");
 120     final StatLong stat_array_marlincache_touchedTile
 121         = new StatLong("array.marlincache.touchedTile.int");
 122     final StatLong stat_array_renderer_alphaline
 123         = new StatLong("array.renderer.alphaline.int");
 124     final StatLong stat_array_renderer_crossings
 125         = new StatLong("array.renderer.crossings.int");
 126     final StatLong stat_array_renderer_aux_crossings
 127         = new StatLong("array.renderer.aux_crossings.int");
 128     final StatLong stat_array_renderer_edgeBuckets
 129         = new StatLong("array.renderer.edgeBuckets.int");
 130     final StatLong stat_array_renderer_edgeBucketCounts
 131         = new StatLong("array.renderer.edgeBucketCounts.int");
 132     final StatLong stat_array_renderer_edgePtrs
 133         = new StatLong("array.renderer.edgePtrs.int");
 134     final StatLong stat_array_renderer_aux_edgePtrs
 135         = new StatLong("array.renderer.aux_edgePtrs.int");
 136     final StatLong stat_array_str_polystack_curves
 137         = new StatLong("array.stroker.polystack.curves.d_float");
 138     final StatLong stat_array_str_polystack_types
 139         = new StatLong("array.stroker.polystack.curveTypes.d_byte");
 140     final StatLong stat_array_cpd_polystack_curves
 141         = new StatLong("array.closedPathDetector.polystack.curves.d_float");
 142     final StatLong stat_array_cpd_polystack_types
 143         = new StatLong("array.closedPathDetector.polystack.curveTypes.d_byte");
 144     // histograms
 145     final Histogram hist_rdr_edges_count
 146         = new Histogram("renderer.edges.count");


 147     final Histogram hist_rdr_crossings
 148         = new Histogram("renderer.crossings");
 149     final Histogram hist_rdr_crossings_ratio
 150         = new Histogram("renderer.crossings.ratio");
 151     final Histogram hist_rdr_crossings_adds
 152         = new Histogram("renderer.crossings.adds");
 153     final Histogram hist_rdr_crossings_msorts
 154         = new Histogram("renderer.crossings.msorts");
 155     final Histogram hist_rdr_crossings_msorts_adds
 156         = new Histogram("renderer.crossings.msorts.adds");
 157     final Histogram hist_str_polystack_curves
 158         = new Histogram("stroker.polystack.curves");
 159     final Histogram hist_tile_generator_alpha
 160         = new Histogram("tile_generator.alpha");
 161     final Histogram hist_tile_generator_encoding
 162         = new Histogram("tile_generator.encoding");
 163     final Histogram hist_tile_generator_encoding_dist
 164         = new Histogram("tile_generator.encoding.dist");
 165     final Histogram hist_tile_generator_encoding_ratio
 166         = new Histogram("tile_generator.encoding.ratio");
 167     final Histogram hist_tile_generator_encoding_runLen
 168         = new Histogram("tile_generator.encoding.runLen");
 169     final Histogram hist_cpd_polystack_curves
 170         = new Histogram("closedPathDetector.polystack.curves");
 171     // all stats
 172     final StatLong[] statistics = new StatLong[]{
 173         stat_cache_rowAA,
 174         stat_cache_rowAAChunk,
 175         stat_cache_tiles,


 176         stat_rdr_addLine,
 177         stat_rdr_addLine_skip,
 178         stat_rdr_curveBreak,
 179         stat_rdr_curveBreak_dec,
 180         stat_rdr_curveBreak_inc,
 181         stat_rdr_quadBreak,
 182         stat_rdr_quadBreak_dec,
 183         stat_rdr_edges,
 184         stat_rdr_edges_count,
 185         stat_rdr_edges_resizes,
 186         stat_rdr_activeEdges,
 187         stat_rdr_activeEdges_updates,
 188         stat_rdr_activeEdges_adds,
 189         stat_rdr_activeEdges_adds_high,
 190         stat_rdr_crossings_updates,
 191         stat_rdr_crossings_sorts,
 192         stat_rdr_crossings_bsearch,
 193         stat_rdr_crossings_msorts,
 194         stat_str_polystack_types,
 195         stat_str_polystack_curves,
 196         stat_cpd_polystack_curves,
 197         stat_cpd_polystack_types,
 198         hist_rdr_edges_count,

 199         hist_rdr_crossings,
 200         hist_rdr_crossings_ratio,
 201         hist_rdr_crossings_adds,
 202         hist_rdr_crossings_msorts,
 203         hist_rdr_crossings_msorts_adds,
 204         hist_tile_generator_alpha,
 205         hist_tile_generator_encoding,
 206         hist_tile_generator_encoding_dist,
 207         hist_tile_generator_encoding_ratio,
 208         hist_tile_generator_encoding_runLen,
 209         hist_str_polystack_curves,
 210         hist_cpd_polystack_curves,
 211         stat_array_dasher_dasher,
 212         stat_array_dasher_firstSegmentsBuffer,


 213         stat_array_marlincache_rowAAChunk,
 214         stat_array_marlincache_touchedTile,
 215         stat_array_renderer_alphaline,
 216         stat_array_renderer_crossings,
 217         stat_array_renderer_aux_crossings,
 218         stat_array_renderer_edgeBuckets,
 219         stat_array_renderer_edgeBucketCounts,
 220         stat_array_renderer_edgePtrs,
 221         stat_array_renderer_aux_edgePtrs,
 222         stat_array_str_polystack_curves,
 223         stat_array_str_polystack_types,
 224         stat_array_cpd_polystack_curves,
 225         stat_array_cpd_polystack_types
 226     };
 227     // monitors
 228     final Monitor mon_pre_getAATileGenerator
 229         = new Monitor("MarlinRenderingEngine.getAATileGenerator()");
 230     final Monitor mon_rdr_addLine
 231         = new Monitor("Renderer.addLine()");
 232     final Monitor mon_rdr_endRendering
 233         = new Monitor("Renderer.endRendering()");
 234     final Monitor mon_rdr_endRendering_Y
 235         = new Monitor("Renderer._endRendering(Y)");
 236     final Monitor mon_rdr_copyAARow
 237         = new Monitor("Renderer.copyAARow()");
 238     final Monitor mon_pipe_renderTiles
 239         = new Monitor("AAShapePipe.renderTiles()");
 240     final Monitor mon_ptg_getAlpha
 241         = new Monitor("MarlinTileGenerator.getAlpha()");
 242     final Monitor mon_debug
 243         = new Monitor("DEBUG()");
 244     // all monitors
 245     final Monitor[] monitors = new Monitor[]{
 246         mon_pre_getAATileGenerator,
 247         mon_rdr_addLine,
 248         mon_rdr_endRendering,
 249         mon_rdr_endRendering_Y,
 250         mon_rdr_copyAARow,
 251         mon_pipe_renderTiles,
 252         mon_ptg_getAlpha,
 253         mon_debug
 254     };
 255     // offheap stats
 256     long totalOffHeapInitial = 0L;
 257      // live accumulator
 258     long totalOffHeap = 0L;
 259     long totalOffHeapMax = 0L;
 260     // cache stats
 261     CacheStats[] cacheStats = null;
 262 
 263     private RendererStats(final String name) {
 264         this.name = name;
 265     }
 266 
 267     void dump() {
 268         logInfo("RendererContext: " + name);
 269 
 270         if (DO_MONITORS) {
 271             for (Monitor monitor : monitors) {
 272                 if (monitor.count != 0) {
 273                     logInfo(monitor.toString());
 274                 }
 275             }
 276             // As getAATileGenerator percents:
 277             final long total = mon_pre_getAATileGenerator.sum;
 278             if (total != 0L) {
 279                 for (Monitor monitor : monitors) {
 280                     logInfo(monitor.name + " : "
 281                             + ((100d * monitor.sum) / total) + " %");
 282                 }
 283             }
 284             if (DO_FLUSH_MONITORS) {
 285                 for (Monitor m : monitors) {
 286                     m.reset();
 287                 }
 288             }
 289         }
 290 
 291         if (DO_STATS) {
 292             for (StatLong stat : statistics) {
 293                 if (stat.count != 0) {
 294                     logInfo(stat.toString());
 295                     if (DO_FLUSH_STATS) {
 296                         stat.reset();
 297                     }
 298                 }
 299             }
 300 
 301             logInfo("OffHeap footprint: initial: " + totalOffHeapInitial
 302                 + " bytes - max: " + totalOffHeapMax + " bytes");
 303             if (DO_FLUSH_STATS) {
 304                 totalOffHeapMax = 0L;
 305             }
 306 
 307             logInfo("Array caches for RendererContext: " + name);
 308 
 309             long totalInitialBytes = totalOffHeapInitial;
 310             long totalCacheBytes   = 0L;
 311 
 312             if (cacheStats != null) {
 313                 for (CacheStats stat : cacheStats) {
 314                     totalCacheBytes   += stat.dumpStats();
 315                     totalInitialBytes += stat.getTotalInitialBytes();
 316                     if (DO_FLUSH_STATS) {
 317                         stat.reset();
 318                     }
 319                 }
 320             }
 321             logInfo("Heap footprint: initial: " + totalInitialBytes
 322                     + " bytes - cache: " + totalCacheBytes + " bytes");
 323         }
 324     }
 325 
 326     static final class RendererStatsHolder {
 327 
 328         // singleton
 329         private static volatile RendererStatsHolder SINGLETON = null;
 330 
 331         static synchronized RendererStatsHolder getInstance() {
 332             if (SINGLETON == null) {
 333                 SINGLETON = new RendererStatsHolder();
 334             }
 335             return SINGLETON;
 336         }
 337 
 338         static void dumpStats() {
 339             if (SINGLETON != null) {
 340                 SINGLETON.dump();
 341             }
 342         }
 343 
 344         /* RendererStats collection as hard references
 345            (only used for debugging purposes) */
 346         private final ConcurrentLinkedQueue<RendererStats> allStats
 347             = new ConcurrentLinkedQueue<RendererStats>();
 348 
 349         private RendererStatsHolder() {
 350             AccessController.doPrivileged(
 351                 (PrivilegedAction<Void>) () -> {
 352                     final Thread hook = new Thread(
 353                         ThreadGroupUtils.getRootThreadGroup(),
 354                         new Runnable() {
 355                             @Override
 356                             public void run() {
 357                                 dump();
 358                             }
 359                         },
 360                         "MarlinStatsHook"
 361                     );
 362                     hook.setContextClassLoader(null);
 363                     Runtime.getRuntime().addShutdownHook(hook);
 364 
 365                     if (USE_DUMP_THREAD) {
 366                         final Timer statTimer = new Timer("RendererStats");
 367                         statTimer.scheduleAtFixedRate(new TimerTask() {
 368                             @Override
 369                             public void run() {
 370                                 dump();
 371                             }
 372                         }, DUMP_INTERVAL, DUMP_INTERVAL);
 373                     }
 374                     return null;
 375                 }
 376             );
 377         }
 378 
 379         void add(final Object parent, final RendererStats stats) {
 380             allStats.add(stats);
 381 
 382             // Register a cleaning function to ensure removing dead entries:
 383             CleanerFactory.cleaner().register(parent, () -> remove(stats));
 384         }
 385 
 386         void remove(final RendererStats stats) {
 387             stats.dump(); // dump anyway
 388             allStats.remove(stats);
 389         }
 390 
 391         void dump() {
 392             for (RendererStats stats : allStats) {
 393                 stats.dump();
 394             }
 395         }
 396     }
 397 }
--- EOF ---