1 /*
2 * Copyright (c) 2015, 2018, 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
40 /**
41 * This class gathers global rendering statistics for debugging purposes only
42 */
43 public final class RendererStats implements MarlinConst {
44
45 static RendererStats createInstance(final Object parent, final String name)
46 {
47 final RendererStats stats = new RendererStats(name);
48
49 // Keep a strong reference to dump it later:
50 RendererStatsHolder.getInstance().add(parent, stats);
51
52 return stats;
53 }
54
55 public static void dumpStats() {
56 RendererStatsHolder.dumpStats();
57 }
58
59 // context name (debugging purposes)
60 final String name;
61 // stats
62 final StatLong stat_cache_rowAA
63 = new StatLong("cache.rowAA");
64 final StatLong stat_cache_rowAAChunk
65 = new StatLong("cache.rowAAChunk");
66 final StatLong stat_cache_tiles
67 = new StatLong("cache.tiles");
68 final StatLong stat_rdr_addLine
69 = new StatLong("renderer.addLine");
70 final StatLong stat_rdr_addLine_skip
71 = new StatLong("renderer.addLine.skip");
72 final StatLong stat_rdr_curveBreak
73 = new StatLong("renderer.curveBreakIntoLinesAndAdd");
74 final StatLong stat_rdr_curveBreak_dec
75 = new StatLong("renderer.curveBreakIntoLinesAndAdd.dec");
76 final StatLong stat_rdr_curveBreak_inc
77 = new StatLong("renderer.curveBreakIntoLinesAndAdd.inc");
78 final StatLong stat_rdr_quadBreak
79 = new StatLong("renderer.quadBreakIntoLinesAndAdd");
80 final StatLong stat_rdr_quadBreak_dec
81 = new StatLong("renderer.quadBreakIntoLinesAndAdd.dec");
82 final StatLong stat_rdr_edges
83 = new StatLong("renderer.edges");
84 final StatLong stat_rdr_edges_count
85 = new StatLong("renderer.edges.count");
86 final StatLong stat_rdr_edges_resizes
87 = new StatLong("renderer.edges.resize");
88 final StatLong stat_rdr_activeEdges
89 = new StatLong("renderer.activeEdges");
90 final StatLong stat_rdr_activeEdges_updates
91 = new StatLong("renderer.activeEdges.updates");
92 final StatLong stat_rdr_activeEdges_adds
93 = new StatLong("renderer.activeEdges.adds");
94 final StatLong stat_rdr_activeEdges_adds_high
95 = new StatLong("renderer.activeEdges.adds_high");
96 final StatLong stat_rdr_crossings_updates
97 = new StatLong("renderer.crossings.updates");
98 final StatLong stat_rdr_crossings_sorts
99 = new StatLong("renderer.crossings.sorts");
100 final StatLong stat_rdr_crossings_bsearch
101 = new StatLong("renderer.crossings.bsearch");
102 final StatLong stat_rdr_crossings_msorts
103 = new StatLong("renderer.crossings.msorts");
104 final StatLong stat_str_polystack_curves
105 = new StatLong("stroker.polystack.curves");
106 final StatLong stat_str_polystack_types
107 = new StatLong("stroker.polystack.types");
108 final StatLong stat_cpd_polystack_curves
109 = new StatLong("closedPathDetector.polystack.curves");
110 final StatLong stat_cpd_polystack_types
111 = new StatLong("closedPathDetector.polystack.types");
112 final StatLong stat_pcf_idxstack_indices
113 = new StatLong("pathClipFilter.stack.indices");
114 // growable arrays
115 final StatLong stat_array_dasher_dasher
116 = new StatLong("array.dasher.dasher.d_float");
117 final StatLong stat_array_dasher_firstSegmentsBuffer
118 = new StatLong("array.dasher.firstSegmentsBuffer.d_float");
119 final StatLong stat_array_marlincache_rowAAChunk
120 = new StatLong("array.marlincache.rowAAChunk.resize");
121 final StatLong stat_array_marlincache_touchedTile
122 = new StatLong("array.marlincache.touchedTile.int");
123 final StatLong stat_array_renderer_alphaline
124 = new StatLong("array.renderer.alphaline.int");
125 final StatLong stat_array_renderer_crossings
126 = new StatLong("array.renderer.crossings.int");
127 final StatLong stat_array_renderer_aux_crossings
128 = new StatLong("array.renderer.aux_crossings.int");
129 final StatLong stat_array_renderer_edgeBuckets
130 = new StatLong("array.renderer.edgeBuckets.int");
131 final StatLong stat_array_renderer_edgeBucketCounts
132 = new StatLong("array.renderer.edgeBucketCounts.int");
133 final StatLong stat_array_renderer_edgePtrs
134 = new StatLong("array.renderer.edgePtrs.int");
135 final StatLong stat_array_renderer_aux_edgePtrs
136 = new StatLong("array.renderer.aux_edgePtrs.int");
137 final StatLong stat_array_str_polystack_curves
138 = new StatLong("array.stroker.polystack.curves.d_float");
139 final StatLong stat_array_str_polystack_types
140 = new StatLong("array.stroker.polystack.curveTypes.d_byte");
141 final StatLong stat_array_cpd_polystack_curves
142 = new StatLong("array.closedPathDetector.polystack.curves.d_float");
143 final StatLong stat_array_cpd_polystack_types
144 = new StatLong("array.closedPathDetector.polystack.curveTypes.d_byte");
145 final StatLong stat_array_pcf_idxstack_indices
146 = new StatLong("array.pathClipFilter.stack.indices.d_int");
147 // histograms
148 final Histogram hist_rdr_edges_count
149 = new Histogram("renderer.edges.count");
150 final Histogram hist_rdr_crossings
151 = new Histogram("renderer.crossings");
152 final Histogram hist_rdr_crossings_ratio
153 = new Histogram("renderer.crossings.ratio");
154 final Histogram hist_rdr_crossings_adds
155 = new Histogram("renderer.crossings.adds");
156 final Histogram hist_rdr_crossings_msorts
157 = new Histogram("renderer.crossings.msorts");
158 final Histogram hist_rdr_crossings_msorts_adds
159 = new Histogram("renderer.crossings.msorts.adds");
160 final Histogram hist_str_polystack_curves
161 = new Histogram("stroker.polystack.curves");
162 final Histogram hist_tile_generator_alpha
163 = new Histogram("tile_generator.alpha");
164 final Histogram hist_tile_generator_encoding
165 = new Histogram("tile_generator.encoding");
166 final Histogram hist_tile_generator_encoding_dist
167 = new Histogram("tile_generator.encoding.dist");
168 final Histogram hist_tile_generator_encoding_ratio
169 = new Histogram("tile_generator.encoding.ratio");
170 final Histogram hist_tile_generator_encoding_runLen
171 = new Histogram("tile_generator.encoding.runLen");
172 final Histogram hist_cpd_polystack_curves
173 = new Histogram("closedPathDetector.polystack.curves");
174 final Histogram hist_pcf_idxstack_indices
175 = new Histogram("pathClipFilter.stack.indices");
176 // all stats
177 final StatLong[] statistics = new StatLong[]{
178 stat_cache_rowAA,
179 stat_cache_rowAAChunk,
180 stat_cache_tiles,
181 stat_rdr_addLine,
182 stat_rdr_addLine_skip,
183 stat_rdr_curveBreak,
184 stat_rdr_curveBreak_dec,
185 stat_rdr_curveBreak_inc,
186 stat_rdr_quadBreak,
187 stat_rdr_quadBreak_dec,
188 stat_rdr_edges,
189 stat_rdr_edges_count,
190 stat_rdr_edges_resizes,
191 stat_rdr_activeEdges,
192 stat_rdr_activeEdges_updates,
193 stat_rdr_activeEdges_adds,
194 stat_rdr_activeEdges_adds_high,
195 stat_rdr_crossings_updates,
196 stat_rdr_crossings_sorts,
197 stat_rdr_crossings_bsearch,
198 stat_rdr_crossings_msorts,
199 stat_str_polystack_types,
200 stat_str_polystack_curves,
201 stat_cpd_polystack_curves,
202 stat_cpd_polystack_types,
203 stat_pcf_idxstack_indices,
204 hist_rdr_edges_count,
205 hist_rdr_crossings,
206 hist_rdr_crossings_ratio,
207 hist_rdr_crossings_adds,
208 hist_rdr_crossings_msorts,
209 hist_rdr_crossings_msorts_adds,
210 hist_tile_generator_alpha,
211 hist_tile_generator_encoding,
212 hist_tile_generator_encoding_dist,
213 hist_tile_generator_encoding_ratio,
214 hist_tile_generator_encoding_runLen,
215 hist_str_polystack_curves,
216 hist_cpd_polystack_curves,
217 hist_pcf_idxstack_indices,
218 stat_array_dasher_dasher,
219 stat_array_dasher_firstSegmentsBuffer,
220 stat_array_marlincache_rowAAChunk,
221 stat_array_marlincache_touchedTile,
222 stat_array_renderer_alphaline,
223 stat_array_renderer_crossings,
224 stat_array_renderer_aux_crossings,
225 stat_array_renderer_edgeBuckets,
226 stat_array_renderer_edgeBucketCounts,
227 stat_array_renderer_edgePtrs,
228 stat_array_renderer_aux_edgePtrs,
229 stat_array_str_polystack_curves,
230 stat_array_str_polystack_types,
231 stat_array_cpd_polystack_curves,
232 stat_array_cpd_polystack_types,
233 stat_array_pcf_idxstack_indices
234 };
235 // monitors
236 final Monitor mon_pre_getAATileGenerator
237 = new Monitor("MarlinRenderingEngine.getAATileGenerator()");
238 final Monitor mon_rdr_addLine
239 = new Monitor("Renderer.addLine()");
240 final Monitor mon_rdr_endRendering
241 = new Monitor("Renderer.endRendering()");
242 final Monitor mon_rdr_endRendering_Y
243 = new Monitor("Renderer._endRendering(Y)");
244 final Monitor mon_rdr_copyAARow
245 = new Monitor("Renderer.copyAARow()");
246 final Monitor mon_pipe_renderTiles
247 = new Monitor("AAShapePipe.renderTiles()");
248 final Monitor mon_ptg_getAlpha
249 = new Monitor("MarlinTileGenerator.getAlpha()");
250 final Monitor mon_debug
251 = new Monitor("DEBUG()");
252 // all monitors
253 final Monitor[] monitors = new Monitor[]{
254 mon_pre_getAATileGenerator,
255 mon_rdr_addLine,
256 mon_rdr_endRendering,
257 mon_rdr_endRendering_Y,
258 mon_rdr_copyAARow,
259 mon_pipe_renderTiles,
260 mon_ptg_getAlpha,
261 mon_debug
262 };
263 // offheap stats
264 long totalOffHeapInitial = 0L;
265 // live accumulator
266 long totalOffHeap = 0L;
267 long totalOffHeapMax = 0L;
268 // cache stats
269 CacheStats[] cacheStats = null;
270
271 private RendererStats(final String name) {
272 this.name = name;
273 }
274
275 void dump() {
276 logInfo("RendererContext: " + name);
277
278 if (DO_MONITORS) {
279 for (Monitor monitor : monitors) {
280 if (monitor.count != 0) {
281 logInfo(monitor.toString());
282 }
283 }
284 // As getAATileGenerator percents:
285 final long total = mon_pre_getAATileGenerator.sum;
286 if (total != 0L) {
287 for (Monitor monitor : monitors) {
288 logInfo(monitor.name + " : "
289 + ((100d * monitor.sum) / total) + " %");
290 }
291 }
292 if (DO_FLUSH_MONITORS) {
293 for (Monitor m : monitors) {
294 m.reset();
295 }
296 }
297 }
298
299 if (DO_STATS) {
300 for (StatLong stat : statistics) {
301 if (stat.count != 0) {
302 logInfo(stat.toString());
303 if (DO_FLUSH_STATS) {
304 stat.reset();
305 }
306 }
307 }
308
309 logInfo("OffHeap footprint: initial: " + totalOffHeapInitial
310 + " bytes - max: " + totalOffHeapMax + " bytes");
311 if (DO_FLUSH_STATS) {
312 totalOffHeapMax = 0L;
313 }
314
315 logInfo("Array caches for RendererContext: " + name);
316
317 long totalInitialBytes = totalOffHeapInitial;
318 long totalCacheBytes = 0L;
319
320 if (cacheStats != null) {
321 for (CacheStats stat : cacheStats) {
322 totalCacheBytes += stat.dumpStats();
323 totalInitialBytes += stat.getTotalInitialBytes();
324 if (DO_FLUSH_STATS) {
325 stat.reset();
326 }
327 }
328 }
329 logInfo("Heap footprint: initial: " + totalInitialBytes
330 + " bytes - cache: " + totalCacheBytes + " bytes");
331 }
332 }
333
334 static final class RendererStatsHolder {
335
336 // singleton
337 private static volatile RendererStatsHolder SINGLETON = null;
338
339 static synchronized RendererStatsHolder getInstance() {
340 if (SINGLETON == null) {
341 SINGLETON = new RendererStatsHolder();
342 }
343 return SINGLETON;
344 }
345
346 static void dumpStats() {
347 if (SINGLETON != null) {
348 SINGLETON.dump();
349 }
350 }
351
352 /* RendererStats collection as hard references
353 (only used for debugging purposes) */
354 private final ConcurrentLinkedQueue<RendererStats> allStats
355 = new ConcurrentLinkedQueue<RendererStats>();
356
357 private RendererStatsHolder() {
358 AccessController.doPrivileged(
359 (PrivilegedAction<Void>) () -> {
360 final Thread hook = new Thread(
361 MarlinUtils.getRootThreadGroup(),
362 new Runnable() {
363 @Override
364 public void run() {
365 dump();
366 }
367 },
368 "MarlinStatsHook"
369 );
370 hook.setContextClassLoader(null);
371 Runtime.getRuntime().addShutdownHook(hook);
372
373 if (USE_DUMP_THREAD) {
374 final Timer statTimer = new Timer("RendererStats");
375 statTimer.scheduleAtFixedRate(new TimerTask() {
376 @Override
377 public void run() {
378 dump();
379 }
380 }, DUMP_INTERVAL, DUMP_INTERVAL);
381 }
382 return null;
383 }
384 );
385 }
386
387 void add(final Object parent, final RendererStats stats) {
388 allStats.add(stats);
389
390 // Register a cleaning function to ensure removing dead entries:
391 CleanerFactory.cleaner().register(parent, () -> remove(stats));
392 }
393
394 void remove(final RendererStats stats) {
395 stats.dump(); // dump anyway
396 allStats.remove(stats);
397 }
398
399 void dump() {
400 for (RendererStats stats : allStats) {
401 stats.dump();
402 }
403 }
404 }
405 }