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_poly_stack_curves
70 = new StatLong("renderer.poly.stack.curves");
71 final StatLong stat_rdr_poly_stack_types
72 = new StatLong("renderer.poly.stack.types");
73 final StatLong stat_rdr_addLine
74 = new StatLong("renderer.addLine");
75 final StatLong stat_rdr_addLine_skip
76 = new StatLong("renderer.addLine.skip");
77 final StatLong stat_rdr_curveBreak
78 = new StatLong("renderer.curveBreakIntoLinesAndAdd");
79 final StatLong stat_rdr_curveBreak_dec
80 = new StatLong("renderer.curveBreakIntoLinesAndAdd.dec");
81 final StatLong stat_rdr_curveBreak_inc
82 = new StatLong("renderer.curveBreakIntoLinesAndAdd.inc");
83 final StatLong stat_rdr_quadBreak
84 = new StatLong("renderer.quadBreakIntoLinesAndAdd");
85 final StatLong stat_rdr_quadBreak_dec
86 = new StatLong("renderer.quadBreakIntoLinesAndAdd.dec");
87 final StatLong stat_rdr_edges
88 = new StatLong("renderer.edges");
89 final StatLong stat_rdr_edges_count
90 = new StatLong("renderer.edges.count");
91 final StatLong stat_rdr_edges_resizes
92 = new StatLong("renderer.edges.resize");
93 final StatLong stat_rdr_activeEdges
94 = new StatLong("renderer.activeEdges");
95 final StatLong stat_rdr_activeEdges_updates
96 = new StatLong("renderer.activeEdges.updates");
97 final StatLong stat_rdr_activeEdges_adds
98 = new StatLong("renderer.activeEdges.adds");
99 final StatLong stat_rdr_activeEdges_adds_high
100 = new StatLong("renderer.activeEdges.adds_high");
101 final StatLong stat_rdr_crossings_updates
102 = new StatLong("renderer.crossings.updates");
103 final StatLong stat_rdr_crossings_sorts
104 = new StatLong("renderer.crossings.sorts");
105 final StatLong stat_rdr_crossings_bsearch
106 = new StatLong("renderer.crossings.bsearch");
107 final StatLong stat_rdr_crossings_msorts
108 = new StatLong("renderer.crossings.msorts");
109 // growable arrays
110 final StatLong stat_array_dasher_dasher
111 = new StatLong("array.dasher.dasher.d_float");
112 final StatLong stat_array_dasher_firstSegmentsBuffer
113 = new StatLong("array.dasher.firstSegmentsBuffer.d_float");
114 final StatLong stat_array_stroker_polystack_curves
115 = new StatLong("array.stroker.polystack.curves.d_float");
116 final StatLong stat_array_stroker_polystack_curveTypes
117 = new StatLong("array.stroker.polystack.curveTypes.d_byte");
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 // histograms
137 final Histogram hist_rdr_edges_count
138 = new Histogram("renderer.edges.count");
139 final Histogram hist_rdr_poly_stack_curves
140 = new Histogram("renderer.polystack.curves");
141 final Histogram hist_rdr_crossings
142 = new Histogram("renderer.crossings");
143 final Histogram hist_rdr_crossings_ratio
144 = new Histogram("renderer.crossings.ratio");
145 final Histogram hist_rdr_crossings_adds
146 = new Histogram("renderer.crossings.adds");
147 final Histogram hist_rdr_crossings_msorts
148 = new Histogram("renderer.crossings.msorts");
149 final Histogram hist_rdr_crossings_msorts_adds
150 = new Histogram("renderer.crossings.msorts.adds");
151 final Histogram hist_tile_generator_alpha
152 = new Histogram("tile_generator.alpha");
153 final Histogram hist_tile_generator_encoding
154 = new Histogram("tile_generator.encoding");
155 final Histogram hist_tile_generator_encoding_dist
156 = new Histogram("tile_generator.encoding.dist");
157 final Histogram hist_tile_generator_encoding_ratio
158 = new Histogram("tile_generator.encoding.ratio");
159 final Histogram hist_tile_generator_encoding_runLen
160 = new Histogram("tile_generator.encoding.runLen");
161 // all stats
162 final StatLong[] statistics = new StatLong[]{
163 stat_cache_rowAA,
164 stat_cache_rowAAChunk,
165 stat_cache_tiles,
166 stat_rdr_poly_stack_types,
167 stat_rdr_poly_stack_curves,
168 stat_rdr_addLine,
169 stat_rdr_addLine_skip,
170 stat_rdr_curveBreak,
171 stat_rdr_curveBreak_dec,
172 stat_rdr_curveBreak_inc,
173 stat_rdr_quadBreak,
174 stat_rdr_quadBreak_dec,
175 stat_rdr_edges,
176 stat_rdr_edges_count,
177 stat_rdr_edges_resizes,
178 stat_rdr_activeEdges,
179 stat_rdr_activeEdges_updates,
180 stat_rdr_activeEdges_adds,
181 stat_rdr_activeEdges_adds_high,
182 stat_rdr_crossings_updates,
183 stat_rdr_crossings_sorts,
184 stat_rdr_crossings_bsearch,
185 stat_rdr_crossings_msorts,
186 hist_rdr_edges_count,
187 hist_rdr_poly_stack_curves,
188 hist_rdr_crossings,
189 hist_rdr_crossings_ratio,
190 hist_rdr_crossings_adds,
191 hist_rdr_crossings_msorts,
192 hist_rdr_crossings_msorts_adds,
193 hist_tile_generator_alpha,
194 hist_tile_generator_encoding,
195 hist_tile_generator_encoding_dist,
196 hist_tile_generator_encoding_ratio,
197 hist_tile_generator_encoding_runLen,
198 stat_array_dasher_dasher,
199 stat_array_dasher_firstSegmentsBuffer,
200 stat_array_stroker_polystack_curves,
201 stat_array_stroker_polystack_curveTypes,
202 stat_array_marlincache_rowAAChunk,
203 stat_array_marlincache_touchedTile,
204 stat_array_renderer_alphaline,
205 stat_array_renderer_crossings,
206 stat_array_renderer_aux_crossings,
207 stat_array_renderer_edgeBuckets,
208 stat_array_renderer_edgeBucketCounts,
209 stat_array_renderer_edgePtrs,
210 stat_array_renderer_aux_edgePtrs
211 };
212 // monitors
213 final Monitor mon_pre_getAATileGenerator
214 = new Monitor("MarlinRenderingEngine.getAATileGenerator()");
215 final Monitor mon_rdr_addLine
216 = new Monitor("Renderer.addLine()");
217 final Monitor mon_rdr_endRendering
218 = new Monitor("Renderer.endRendering()");
219 final Monitor mon_rdr_endRendering_Y
220 = new Monitor("Renderer._endRendering(Y)");
221 final Monitor mon_rdr_copyAARow
222 = new Monitor("Renderer.copyAARow()");
223 final Monitor mon_pipe_renderTiles
224 = new Monitor("AAShapePipe.renderTiles()");
225 final Monitor mon_ptg_getAlpha
226 = new Monitor("MarlinTileGenerator.getAlpha()");
227 final Monitor mon_debug
228 = new Monitor("DEBUG()");
229 // all monitors
230 final Monitor[] monitors = new Monitor[]{
231 mon_pre_getAATileGenerator,
232 mon_rdr_addLine,
233 mon_rdr_endRendering,
234 mon_rdr_endRendering_Y,
235 mon_rdr_copyAARow,
236 mon_pipe_renderTiles,
237 mon_ptg_getAlpha,
238 mon_debug
239 };
240 // offheap stats
241 long totalOffHeapInitial = 0L;
242 // live accumulator
243 long totalOffHeap = 0L;
244 long totalOffHeapMax = 0L;
245 // cache stats
246 CacheStats[] cacheStats = null;
247
248 private RendererStats(final String name) {
249 this.name = name;
250 }
251
252 void dump() {
253 logInfo("RendererContext: " + name);
254
255 if (DO_MONITORS) {
256 for (Monitor monitor : monitors) {
257 if (monitor.count != 0) {
258 logInfo(monitor.toString());
259 }
260 }
261 // As getAATileGenerator percents:
262 final long total = mon_pre_getAATileGenerator.sum;
263 if (total != 0L) {
264 for (Monitor monitor : monitors) {
265 logInfo(monitor.name + " : "
266 + ((100d * monitor.sum) / total) + " %");
267 }
268 }
269 if (DO_FLUSH_MONITORS) {
270 for (Monitor m : monitors) {
271 m.reset();
272 }
273 }
274 }
275
276 if (DO_STATS) {
277 for (StatLong stat : statistics) {
278 if (stat.count != 0) {
279 logInfo(stat.toString());
280 if (DO_FLUSH_STATS) {
281 stat.reset();
282 }
283 }
284 }
285
286 logInfo("OffHeap footprint: initial: " + totalOffHeapInitial
287 + " bytes - max: " + totalOffHeapMax + " bytes");
288 if (DO_FLUSH_STATS) {
289 totalOffHeapMax = 0L;
290 }
291
292 logInfo("Array caches for RendererContext: " + name);
293
294 long totalInitialBytes = totalOffHeapInitial;
295 long totalCacheBytes = 0L;
296
297 if (cacheStats != null) {
298 for (CacheStats stat : cacheStats) {
299 totalCacheBytes += stat.dumpStats();
300 totalInitialBytes += stat.getTotalInitialBytes();
301 if (DO_FLUSH_STATS) {
302 stat.reset();
303 }
304 }
305 }
306 logInfo("Heap footprint: initial: " + totalInitialBytes
307 + " bytes - cache: " + totalCacheBytes + " bytes");
308 }
309 }
310
311 static final class RendererStatsHolder {
312
313 // singleton
314 private static volatile RendererStatsHolder SINGLETON = null;
315
316 static synchronized RendererStatsHolder getInstance() {
317 if (SINGLETON == null) {
318 SINGLETON = new RendererStatsHolder();
319 }
320 return SINGLETON;
321 }
322
323 static void dumpStats() {
324 if (SINGLETON != null) {
325 SINGLETON.dump();
326 }
327 }
328
329 /* RendererStats collection as hard references
330 (only used for debugging purposes) */
331 private final ConcurrentLinkedQueue<RendererStats> allStats
332 = new ConcurrentLinkedQueue<RendererStats>();
333
334 private RendererStatsHolder() {
335 AccessController.doPrivileged(
336 (PrivilegedAction<Void>) () -> {
337 final Thread hook = new Thread(
338 ThreadGroupUtils.getRootThreadGroup(),
339 new Runnable() {
340 @Override
341 public void run() {
342 dump();
343 }
344 },
345 "MarlinStatsHook"
346 );
347 hook.setContextClassLoader(null);
348 Runtime.getRuntime().addShutdownHook(hook);
349
350 if (USE_DUMP_THREAD) {
351 final Timer statTimer = new Timer("RendererStats");
352 statTimer.scheduleAtFixedRate(new TimerTask() {
353 @Override
354 public void run() {
355 dump();
356 }
357 }, DUMP_INTERVAL, DUMP_INTERVAL);
358 }
359 return null;
360 }
361 );
362 }
363
364 void add(final Object parent, final RendererStats stats) {
365 allStats.add(stats);
366
367 // Register a cleaning function to ensure removing dead entries:
368 CleanerFactory.cleaner().register(parent, () -> remove(stats));
369 }
370
371 void remove(final RendererStats stats) {
372 stats.dump(); // dump anyway
373 allStats.remove(stats);
374 }
375
376 void dump() {
377 for (RendererStats stats : allStats) {
378 stats.dump();
379 }
380 }
381 }
382 }