1 /*
2 * Copyright (c) 2015, 2017, 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 final StatLong stat_pcf_idxstack_indices
114 = new StatLong("pathClipFilter.stack.indices");
115 // growable arrays
116 final StatLong stat_array_dasher_dasher
117 = new StatLong("array.dasher.dasher.d_float");
118 final StatLong stat_array_dasher_firstSegmentsBuffer
119 = new StatLong("array.dasher.firstSegmentsBuffer.d_float");
120 final StatLong stat_array_marlincache_rowAAChunk
121 = new StatLong("array.marlincache.rowAAChunk.resize");
122 final StatLong stat_array_marlincache_touchedTile
123 = new StatLong("array.marlincache.touchedTile.int");
124 final StatLong stat_array_renderer_alphaline
125 = new StatLong("array.renderer.alphaline.int");
126 final StatLong stat_array_renderer_crossings
127 = new StatLong("array.renderer.crossings.int");
128 final StatLong stat_array_renderer_aux_crossings
129 = new StatLong("array.renderer.aux_crossings.int");
130 final StatLong stat_array_renderer_edgeBuckets
131 = new StatLong("array.renderer.edgeBuckets.int");
132 final StatLong stat_array_renderer_edgeBucketCounts
133 = new StatLong("array.renderer.edgeBucketCounts.int");
134 final StatLong stat_array_renderer_edgePtrs
135 = new StatLong("array.renderer.edgePtrs.int");
136 final StatLong stat_array_renderer_aux_edgePtrs
137 = new StatLong("array.renderer.aux_edgePtrs.int");
138 final StatLong stat_array_str_polystack_curves
139 = new StatLong("array.stroker.polystack.curves.d_float");
140 final StatLong stat_array_str_polystack_types
141 = new StatLong("array.stroker.polystack.curveTypes.d_byte");
142 final StatLong stat_array_cpd_polystack_curves
143 = new StatLong("array.closedPathDetector.polystack.curves.d_float");
144 final StatLong stat_array_cpd_polystack_types
145 = new StatLong("array.closedPathDetector.polystack.curveTypes.d_byte");
146 final StatLong stat_array_pcf_idxstack_indices
147 = new StatLong("array.pathClipFilter.stack.indices.d_int");
148 // histograms
149 final Histogram hist_rdr_edges_count
150 = new Histogram("renderer.edges.count");
151 final Histogram hist_rdr_crossings
152 = new Histogram("renderer.crossings");
153 final Histogram hist_rdr_crossings_ratio
154 = new Histogram("renderer.crossings.ratio");
155 final Histogram hist_rdr_crossings_adds
156 = new Histogram("renderer.crossings.adds");
157 final Histogram hist_rdr_crossings_msorts
158 = new Histogram("renderer.crossings.msorts");
159 final Histogram hist_rdr_crossings_msorts_adds
160 = new Histogram("renderer.crossings.msorts.adds");
161 final Histogram hist_str_polystack_curves
162 = new Histogram("stroker.polystack.curves");
163 final Histogram hist_tile_generator_alpha
164 = new Histogram("tile_generator.alpha");
165 final Histogram hist_tile_generator_encoding
166 = new Histogram("tile_generator.encoding");
167 final Histogram hist_tile_generator_encoding_dist
168 = new Histogram("tile_generator.encoding.dist");
169 final Histogram hist_tile_generator_encoding_ratio
170 = new Histogram("tile_generator.encoding.ratio");
171 final Histogram hist_tile_generator_encoding_runLen
172 = new Histogram("tile_generator.encoding.runLen");
173 final Histogram hist_cpd_polystack_curves
174 = new Histogram("closedPathDetector.polystack.curves");
175 final Histogram hist_pcf_idxstack_indices
176 = new Histogram("pathClipFilter.stack.indices");
177 // all stats
178 final StatLong[] statistics = new StatLong[]{
179 stat_cache_rowAA,
180 stat_cache_rowAAChunk,
181 stat_cache_tiles,
182 stat_rdr_addLine,
183 stat_rdr_addLine_skip,
184 stat_rdr_curveBreak,
185 stat_rdr_curveBreak_dec,
186 stat_rdr_curveBreak_inc,
187 stat_rdr_quadBreak,
188 stat_rdr_quadBreak_dec,
189 stat_rdr_edges,
190 stat_rdr_edges_count,
191 stat_rdr_edges_resizes,
192 stat_rdr_activeEdges,
193 stat_rdr_activeEdges_updates,
194 stat_rdr_activeEdges_adds,
195 stat_rdr_activeEdges_adds_high,
196 stat_rdr_crossings_updates,
197 stat_rdr_crossings_sorts,
198 stat_rdr_crossings_bsearch,
199 stat_rdr_crossings_msorts,
200 stat_str_polystack_types,
201 stat_str_polystack_curves,
202 stat_cpd_polystack_curves,
203 stat_cpd_polystack_types,
204 stat_pcf_idxstack_indices,
205 hist_rdr_edges_count,
206 hist_rdr_crossings,
207 hist_rdr_crossings_ratio,
208 hist_rdr_crossings_adds,
209 hist_rdr_crossings_msorts,
210 hist_rdr_crossings_msorts_adds,
211 hist_tile_generator_alpha,
212 hist_tile_generator_encoding,
213 hist_tile_generator_encoding_dist,
214 hist_tile_generator_encoding_ratio,
215 hist_tile_generator_encoding_runLen,
216 hist_str_polystack_curves,
217 hist_cpd_polystack_curves,
218 hist_pcf_idxstack_indices,
219 stat_array_dasher_dasher,
220 stat_array_dasher_firstSegmentsBuffer,
221 stat_array_marlincache_rowAAChunk,
222 stat_array_marlincache_touchedTile,
223 stat_array_renderer_alphaline,
224 stat_array_renderer_crossings,
225 stat_array_renderer_aux_crossings,
226 stat_array_renderer_edgeBuckets,
227 stat_array_renderer_edgeBucketCounts,
228 stat_array_renderer_edgePtrs,
229 stat_array_renderer_aux_edgePtrs,
230 stat_array_str_polystack_curves,
231 stat_array_str_polystack_types,
232 stat_array_cpd_polystack_curves,
233 stat_array_cpd_polystack_types,
234 stat_array_pcf_idxstack_indices
235 };
236 // monitors
237 final Monitor mon_pre_getAATileGenerator
238 = new Monitor("MarlinRenderingEngine.getAATileGenerator()");
239 final Monitor mon_rdr_addLine
240 = new Monitor("Renderer.addLine()");
241 final Monitor mon_rdr_endRendering
242 = new Monitor("Renderer.endRendering()");
243 final Monitor mon_rdr_endRendering_Y
244 = new Monitor("Renderer._endRendering(Y)");
245 final Monitor mon_rdr_copyAARow
246 = new Monitor("Renderer.copyAARow()");
247 final Monitor mon_pipe_renderTiles
248 = new Monitor("AAShapePipe.renderTiles()");
249 final Monitor mon_ptg_getAlpha
250 = new Monitor("MarlinTileGenerator.getAlpha()");
251 final Monitor mon_debug
252 = new Monitor("DEBUG()");
253 // all monitors
254 final Monitor[] monitors = new Monitor[]{
255 mon_pre_getAATileGenerator,
256 mon_rdr_addLine,
257 mon_rdr_endRendering,
258 mon_rdr_endRendering_Y,
259 mon_rdr_copyAARow,
260 mon_pipe_renderTiles,
261 mon_ptg_getAlpha,
262 mon_debug
263 };
264 // offheap stats
265 long totalOffHeapInitial = 0L;
266 // live accumulator
267 long totalOffHeap = 0L;
268 long totalOffHeapMax = 0L;
269 // cache stats
270 CacheStats[] cacheStats = null;
271
272 private RendererStats(final String name) {
273 this.name = name;
274 }
275
276 void dump() {
277 logInfo("RendererContext: " + name);
278
279 if (DO_MONITORS) {
280 for (Monitor monitor : monitors) {
281 if (monitor.count != 0) {
282 logInfo(monitor.toString());
283 }
284 }
285 // As getAATileGenerator percents:
286 final long total = mon_pre_getAATileGenerator.sum;
287 if (total != 0L) {
288 for (Monitor monitor : monitors) {
289 logInfo(monitor.name + " : "
290 + ((100d * monitor.sum) / total) + " %");
291 }
292 }
293 if (DO_FLUSH_MONITORS) {
294 for (Monitor m : monitors) {
295 m.reset();
296 }
297 }
298 }
299
300 if (DO_STATS) {
301 for (StatLong stat : statistics) {
302 if (stat.count != 0) {
303 logInfo(stat.toString());
304 if (DO_FLUSH_STATS) {
305 stat.reset();
306 }
307 }
308 }
309
310 logInfo("OffHeap footprint: initial: " + totalOffHeapInitial
311 + " bytes - max: " + totalOffHeapMax + " bytes");
312 if (DO_FLUSH_STATS) {
313 totalOffHeapMax = 0L;
314 }
315
316 logInfo("Array caches for RendererContext: " + name);
317
318 long totalInitialBytes = totalOffHeapInitial;
319 long totalCacheBytes = 0L;
320
321 if (cacheStats != null) {
322 for (CacheStats stat : cacheStats) {
323 totalCacheBytes += stat.dumpStats();
324 totalInitialBytes += stat.getTotalInitialBytes();
325 if (DO_FLUSH_STATS) {
326 stat.reset();
327 }
328 }
329 }
330 logInfo("Heap footprint: initial: " + totalInitialBytes
331 + " bytes - cache: " + totalCacheBytes + " bytes");
332 }
333 }
334
335 static final class RendererStatsHolder {
336
337 // singleton
338 private static volatile RendererStatsHolder SINGLETON = null;
339
340 static synchronized RendererStatsHolder getInstance() {
341 if (SINGLETON == null) {
342 SINGLETON = new RendererStatsHolder();
343 }
344 return SINGLETON;
345 }
346
347 static void dumpStats() {
348 if (SINGLETON != null) {
349 SINGLETON.dump();
350 }
351 }
352
353 /* RendererStats collection as hard references
354 (only used for debugging purposes) */
355 private final ConcurrentLinkedQueue<RendererStats> allStats
356 = new ConcurrentLinkedQueue<RendererStats>();
357
358 private RendererStatsHolder() {
359 AccessController.doPrivileged(
360 (PrivilegedAction<Void>) () -> {
361 final Thread hook = new Thread(
362 ThreadGroupUtils.getRootThreadGroup(),
363 new Runnable() {
364 @Override
365 public void run() {
366 dump();
367 }
368 },
369 "MarlinStatsHook"
370 );
371 hook.setContextClassLoader(null);
372 Runtime.getRuntime().addShutdownHook(hook);
373
374 if (USE_DUMP_THREAD) {
375 final Timer statTimer = new Timer("RendererStats");
376 statTimer.scheduleAtFixedRate(new TimerTask() {
377 @Override
378 public void run() {
379 dump();
380 }
381 }, DUMP_INTERVAL, DUMP_INTERVAL);
382 }
383 return null;
384 }
385 );
386 }
387
388 void add(final Object parent, final RendererStats stats) {
389 allStats.add(stats);
390
391 // Register a cleaning function to ensure removing dead entries:
392 CleanerFactory.cleaner().register(parent, () -> remove(stats));
393 }
394
395 void remove(final RendererStats stats) {
396 stats.dump(); // dump anyway
397 allStats.remove(stats);
398 }
399
400 void dump() {
401 for (RendererStats stats : allStats) {
402 stats.dump();
403 }
404 }
405 }
406 }