src/java.desktop/share/classes/sun/java2d/marlin/RendererStats.java
changeset 47216 71c04702a3d5
parent 40421 d5ee65e2b0fb
child 48284 fd7fbc929001
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/share/classes/sun/java2d/marlin/RendererStats.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,382 @@
+/*
+ * Copyright (c) 2015, 2016, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package sun.java2d.marlin;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.Timer;
+import java.util.TimerTask;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import jdk.internal.ref.CleanerFactory;
+import sun.java2d.marlin.ArrayCacheConst.CacheStats;
+import static sun.java2d.marlin.MarlinUtils.logInfo;
+import sun.java2d.marlin.stats.Histogram;
+import sun.java2d.marlin.stats.Monitor;
+import sun.java2d.marlin.stats.StatLong;
+import sun.awt.util.ThreadGroupUtils;
+
+/**
+ * This class gathers global rendering statistics for debugging purposes only
+ */
+public final class RendererStats implements MarlinConst {
+
+    static RendererStats createInstance(final Object parent, final String name)
+    {
+        final RendererStats stats = new RendererStats(name);
+
+        // Keep a strong reference to dump it later:
+        RendererStatsHolder.getInstance().add(parent, stats);
+
+        return stats;
+    }
+
+    public static void dumpStats() {
+        RendererStatsHolder.dumpStats();
+    }
+
+    // context name (debugging purposes)
+    final String name;
+    // stats
+    final StatLong stat_cache_rowAA
+        = new StatLong("cache.rowAA");
+    final StatLong stat_cache_rowAAChunk
+        = new StatLong("cache.rowAAChunk");
+    final StatLong stat_cache_tiles
+        = new StatLong("cache.tiles");
+    final StatLong stat_rdr_poly_stack_curves
+        = new StatLong("renderer.poly.stack.curves");
+    final StatLong stat_rdr_poly_stack_types
+        = new StatLong("renderer.poly.stack.types");
+    final StatLong stat_rdr_addLine
+        = new StatLong("renderer.addLine");
+    final StatLong stat_rdr_addLine_skip
+        = new StatLong("renderer.addLine.skip");
+    final StatLong stat_rdr_curveBreak
+        = new StatLong("renderer.curveBreakIntoLinesAndAdd");
+    final StatLong stat_rdr_curveBreak_dec
+        = new StatLong("renderer.curveBreakIntoLinesAndAdd.dec");
+    final StatLong stat_rdr_curveBreak_inc
+        = new StatLong("renderer.curveBreakIntoLinesAndAdd.inc");
+    final StatLong stat_rdr_quadBreak
+        = new StatLong("renderer.quadBreakIntoLinesAndAdd");
+    final StatLong stat_rdr_quadBreak_dec
+        = new StatLong("renderer.quadBreakIntoLinesAndAdd.dec");
+    final StatLong stat_rdr_edges
+        = new StatLong("renderer.edges");
+    final StatLong stat_rdr_edges_count
+        = new StatLong("renderer.edges.count");
+    final StatLong stat_rdr_edges_resizes
+        = new StatLong("renderer.edges.resize");
+    final StatLong stat_rdr_activeEdges
+        = new StatLong("renderer.activeEdges");
+    final StatLong stat_rdr_activeEdges_updates
+        = new StatLong("renderer.activeEdges.updates");
+    final StatLong stat_rdr_activeEdges_adds
+        = new StatLong("renderer.activeEdges.adds");
+    final StatLong stat_rdr_activeEdges_adds_high
+        = new StatLong("renderer.activeEdges.adds_high");
+    final StatLong stat_rdr_crossings_updates
+        = new StatLong("renderer.crossings.updates");
+    final StatLong stat_rdr_crossings_sorts
+        = new StatLong("renderer.crossings.sorts");
+    final StatLong stat_rdr_crossings_bsearch
+        = new StatLong("renderer.crossings.bsearch");
+    final StatLong stat_rdr_crossings_msorts
+        = new StatLong("renderer.crossings.msorts");
+    // growable arrays
+    final StatLong stat_array_dasher_dasher
+        = new StatLong("array.dasher.dasher.d_float");
+    final StatLong stat_array_dasher_firstSegmentsBuffer
+        = new StatLong("array.dasher.firstSegmentsBuffer.d_float");
+    final StatLong stat_array_stroker_polystack_curves
+        = new StatLong("array.stroker.polystack.curves.d_float");
+    final StatLong stat_array_stroker_polystack_curveTypes
+        = new StatLong("array.stroker.polystack.curveTypes.d_byte");
+    final StatLong stat_array_marlincache_rowAAChunk
+        = new StatLong("array.marlincache.rowAAChunk.resize");
+    final StatLong stat_array_marlincache_touchedTile
+        = new StatLong("array.marlincache.touchedTile.int");
+    final StatLong stat_array_renderer_alphaline
+        = new StatLong("array.renderer.alphaline.int");
+    final StatLong stat_array_renderer_crossings
+        = new StatLong("array.renderer.crossings.int");
+    final StatLong stat_array_renderer_aux_crossings
+        = new StatLong("array.renderer.aux_crossings.int");
+    final StatLong stat_array_renderer_edgeBuckets
+        = new StatLong("array.renderer.edgeBuckets.int");
+    final StatLong stat_array_renderer_edgeBucketCounts
+        = new StatLong("array.renderer.edgeBucketCounts.int");
+    final StatLong stat_array_renderer_edgePtrs
+        = new StatLong("array.renderer.edgePtrs.int");
+    final StatLong stat_array_renderer_aux_edgePtrs
+        = new StatLong("array.renderer.aux_edgePtrs.int");
+    // histograms
+    final Histogram hist_rdr_edges_count
+        = new Histogram("renderer.edges.count");
+    final Histogram hist_rdr_poly_stack_curves
+        = new Histogram("renderer.polystack.curves");
+    final Histogram hist_rdr_crossings
+        = new Histogram("renderer.crossings");
+    final Histogram hist_rdr_crossings_ratio
+        = new Histogram("renderer.crossings.ratio");
+    final Histogram hist_rdr_crossings_adds
+        = new Histogram("renderer.crossings.adds");
+    final Histogram hist_rdr_crossings_msorts
+        = new Histogram("renderer.crossings.msorts");
+    final Histogram hist_rdr_crossings_msorts_adds
+        = new Histogram("renderer.crossings.msorts.adds");
+    final Histogram hist_tile_generator_alpha
+        = new Histogram("tile_generator.alpha");
+    final Histogram hist_tile_generator_encoding
+        = new Histogram("tile_generator.encoding");
+    final Histogram hist_tile_generator_encoding_dist
+        = new Histogram("tile_generator.encoding.dist");
+    final Histogram hist_tile_generator_encoding_ratio
+        = new Histogram("tile_generator.encoding.ratio");
+    final Histogram hist_tile_generator_encoding_runLen
+        = new Histogram("tile_generator.encoding.runLen");
+    // all stats
+    final StatLong[] statistics = new StatLong[]{
+        stat_cache_rowAA,
+        stat_cache_rowAAChunk,
+        stat_cache_tiles,
+        stat_rdr_poly_stack_types,
+        stat_rdr_poly_stack_curves,
+        stat_rdr_addLine,
+        stat_rdr_addLine_skip,
+        stat_rdr_curveBreak,
+        stat_rdr_curveBreak_dec,
+        stat_rdr_curveBreak_inc,
+        stat_rdr_quadBreak,
+        stat_rdr_quadBreak_dec,
+        stat_rdr_edges,
+        stat_rdr_edges_count,
+        stat_rdr_edges_resizes,
+        stat_rdr_activeEdges,
+        stat_rdr_activeEdges_updates,
+        stat_rdr_activeEdges_adds,
+        stat_rdr_activeEdges_adds_high,
+        stat_rdr_crossings_updates,
+        stat_rdr_crossings_sorts,
+        stat_rdr_crossings_bsearch,
+        stat_rdr_crossings_msorts,
+        hist_rdr_edges_count,
+        hist_rdr_poly_stack_curves,
+        hist_rdr_crossings,
+        hist_rdr_crossings_ratio,
+        hist_rdr_crossings_adds,
+        hist_rdr_crossings_msorts,
+        hist_rdr_crossings_msorts_adds,
+        hist_tile_generator_alpha,
+        hist_tile_generator_encoding,
+        hist_tile_generator_encoding_dist,
+        hist_tile_generator_encoding_ratio,
+        hist_tile_generator_encoding_runLen,
+        stat_array_dasher_dasher,
+        stat_array_dasher_firstSegmentsBuffer,
+        stat_array_stroker_polystack_curves,
+        stat_array_stroker_polystack_curveTypes,
+        stat_array_marlincache_rowAAChunk,
+        stat_array_marlincache_touchedTile,
+        stat_array_renderer_alphaline,
+        stat_array_renderer_crossings,
+        stat_array_renderer_aux_crossings,
+        stat_array_renderer_edgeBuckets,
+        stat_array_renderer_edgeBucketCounts,
+        stat_array_renderer_edgePtrs,
+        stat_array_renderer_aux_edgePtrs
+    };
+    // monitors
+    final Monitor mon_pre_getAATileGenerator
+        = new Monitor("MarlinRenderingEngine.getAATileGenerator()");
+    final Monitor mon_rdr_addLine
+        = new Monitor("Renderer.addLine()");
+    final Monitor mon_rdr_endRendering
+        = new Monitor("Renderer.endRendering()");
+    final Monitor mon_rdr_endRendering_Y
+        = new Monitor("Renderer._endRendering(Y)");
+    final Monitor mon_rdr_copyAARow
+        = new Monitor("Renderer.copyAARow()");
+    final Monitor mon_pipe_renderTiles
+        = new Monitor("AAShapePipe.renderTiles()");
+    final Monitor mon_ptg_getAlpha
+        = new Monitor("MarlinTileGenerator.getAlpha()");
+    final Monitor mon_debug
+        = new Monitor("DEBUG()");
+    // all monitors
+    final Monitor[] monitors = new Monitor[]{
+        mon_pre_getAATileGenerator,
+        mon_rdr_addLine,
+        mon_rdr_endRendering,
+        mon_rdr_endRendering_Y,
+        mon_rdr_copyAARow,
+        mon_pipe_renderTiles,
+        mon_ptg_getAlpha,
+        mon_debug
+    };
+    // offheap stats
+    long totalOffHeapInitial = 0L;
+     // live accumulator
+    long totalOffHeap = 0L;
+    long totalOffHeapMax = 0L;
+    // cache stats
+    CacheStats[] cacheStats = null;
+
+    private RendererStats(final String name) {
+        this.name = name;
+    }
+
+    void dump() {
+        logInfo("RendererContext: " + name);
+
+        if (DO_MONITORS) {
+            for (Monitor monitor : monitors) {
+                if (monitor.count != 0) {
+                    logInfo(monitor.toString());
+                }
+            }
+            // As getAATileGenerator percents:
+            final long total = mon_pre_getAATileGenerator.sum;
+            if (total != 0L) {
+                for (Monitor monitor : monitors) {
+                    logInfo(monitor.name + " : "
+                            + ((100d * monitor.sum) / total) + " %");
+                }
+            }
+            if (DO_FLUSH_MONITORS) {
+                for (Monitor m : monitors) {
+                    m.reset();
+                }
+            }
+        }
+
+        if (DO_STATS) {
+            for (StatLong stat : statistics) {
+                if (stat.count != 0) {
+                    logInfo(stat.toString());
+                    if (DO_FLUSH_STATS) {
+                        stat.reset();
+                    }
+                }
+            }
+
+            logInfo("OffHeap footprint: initial: " + totalOffHeapInitial
+                + " bytes - max: " + totalOffHeapMax + " bytes");
+            if (DO_FLUSH_STATS) {
+                totalOffHeapMax = 0L;
+            }
+
+            logInfo("Array caches for RendererContext: " + name);
+
+            long totalInitialBytes = totalOffHeapInitial;
+            long totalCacheBytes   = 0L;
+
+            if (cacheStats != null) {
+                for (CacheStats stat : cacheStats) {
+                    totalCacheBytes   += stat.dumpStats();
+                    totalInitialBytes += stat.getTotalInitialBytes();
+                    if (DO_FLUSH_STATS) {
+                        stat.reset();
+                    }
+                }
+            }
+            logInfo("Heap footprint: initial: " + totalInitialBytes
+                    + " bytes - cache: " + totalCacheBytes + " bytes");
+        }
+    }
+
+    static final class RendererStatsHolder {
+
+        // singleton
+        private static volatile RendererStatsHolder SINGLETON = null;
+
+        static synchronized RendererStatsHolder getInstance() {
+            if (SINGLETON == null) {
+                SINGLETON = new RendererStatsHolder();
+            }
+            return SINGLETON;
+        }
+
+        static void dumpStats() {
+            if (SINGLETON != null) {
+                SINGLETON.dump();
+            }
+        }
+
+        /* RendererStats collection as hard references
+           (only used for debugging purposes) */
+        private final ConcurrentLinkedQueue<RendererStats> allStats
+            = new ConcurrentLinkedQueue<RendererStats>();
+
+        private RendererStatsHolder() {
+            AccessController.doPrivileged(
+                (PrivilegedAction<Void>) () -> {
+                    final Thread hook = new Thread(
+                        ThreadGroupUtils.getRootThreadGroup(),
+                        new Runnable() {
+                            @Override
+                            public void run() {
+                                dump();
+                            }
+                        },
+                        "MarlinStatsHook"
+                    );
+                    hook.setContextClassLoader(null);
+                    Runtime.getRuntime().addShutdownHook(hook);
+
+                    if (USE_DUMP_THREAD) {
+                        final Timer statTimer = new Timer("RendererStats");
+                        statTimer.scheduleAtFixedRate(new TimerTask() {
+                            @Override
+                            public void run() {
+                                dump();
+                            }
+                        }, DUMP_INTERVAL, DUMP_INTERVAL);
+                    }
+                    return null;
+                }
+            );
+        }
+
+        void add(final Object parent, final RendererStats stats) {
+            allStats.add(stats);
+
+            // Register a cleaning function to ensure removing dead entries:
+            CleanerFactory.cleaner().register(parent, () -> remove(stats));
+        }
+
+        void remove(final RendererStats stats) {
+            stats.dump(); // dump anyway
+            allStats.remove(stats);
+        }
+
+        void dump() {
+            for (RendererStats stats : allStats) {
+                stats.dump();
+            }
+        }
+    }
+}