208 }
209
210 private static String alignment = " ";
211
212 private void printGen(Generation gen) {
213 printValMB("capacity = ", gen.capacity());
214 printValMB("used = ", gen.used());
215 printValMB("free = ", gen.free());
216 System.out.println(alignment + (double)gen.used() * 100.0 / gen.capacity() + "% used");
217 }
218
219 private void printSpace(ContiguousSpace space) {
220 printValMB("capacity = ", space.capacity());
221 printValMB("used = ", space.used());
222 printValMB("free = ", space.free());
223 System.out.println(alignment + (double)space.used() * 100.0 / space.capacity() + "% used");
224 }
225
226 public void printG1HeapSummary(G1CollectedHeap g1h) {
227 G1MonitoringSupport g1mm = g1h.g1mm();
228 long edenSpaceRegionNum = g1mm.edenSpaceRegionNum();
229 long survivorSpaceRegionNum = g1mm.survivorSpaceRegionNum();
230 HeapRegionSetBase oldSet = g1h.oldSet();
231 HeapRegionSetBase archiveSet = g1h.archiveSet();
232 HeapRegionSetBase humongousSet = g1h.humongousSet();
233 long oldGenRegionNum = oldSet.length() + archiveSet.length() + humongousSet.length();
234 printG1Space("G1 Heap:", g1h.n_regions(),
235 g1h.used(), g1h.capacity());
236 System.out.println("G1 Young Generation:");
237 printG1Space("Eden Space:", edenSpaceRegionNum,
238 g1mm.edenSpaceUsed(), g1mm.edenSpaceCommitted());
239 printG1Space("Survivor Space:", survivorSpaceRegionNum,
240 g1mm.survivorSpaceUsed(), g1mm.survivorSpaceCommitted());
241 printG1Space("G1 Old Generation:", oldGenRegionNum,
242 g1mm.oldGenUsed(), g1mm.oldGenCommitted());
243 }
244
245 private void printG1Space(String spaceName, long regionNum,
246 long used, long capacity) {
247 long free = capacity - used;
248 System.out.println(spaceName);
249 printValue("regions = ", regionNum);
250 printValMB("capacity = ", capacity);
251 printValMB("used = ", used);
252 printValMB("free = ", free);
253 double occPerc = (capacity > 0) ? (double) used * 100.0 / capacity : 0.0;
254 System.out.println(alignment + occPerc + "% used");
255 }
256
257 private static final double FACTOR = 1024*1024;
258 private void printValMB(String title, long value) {
259 if (value < 0) {
260 System.out.println(alignment + title + (value >>> 20) + " MB");
261 } else {
262 double mb = value/FACTOR;
|
208 }
209
210 private static String alignment = " ";
211
212 private void printGen(Generation gen) {
213 printValMB("capacity = ", gen.capacity());
214 printValMB("used = ", gen.used());
215 printValMB("free = ", gen.free());
216 System.out.println(alignment + (double)gen.used() * 100.0 / gen.capacity() + "% used");
217 }
218
219 private void printSpace(ContiguousSpace space) {
220 printValMB("capacity = ", space.capacity());
221 printValMB("used = ", space.used());
222 printValMB("free = ", space.free());
223 System.out.println(alignment + (double)space.used() * 100.0 / space.capacity() + "% used");
224 }
225
226 public void printG1HeapSummary(G1CollectedHeap g1h) {
227 G1MonitoringSupport g1mm = g1h.g1mm();
228 printG1Space("G1 Heap:", g1h.n_regions(), g1h.used(), g1h.capacity());
229 System.out.println("G1 Young Generation:");
230 printG1Space("Eden Space:", g1mm.edenSpaceRegionNum(),
231 g1mm.edenSpaceUsed(), g1mm.edenSpaceCommitted());
232 printG1Space("Survivor Space:", g1mm.survivorSpaceRegionNum(),
233 g1mm.survivorSpaceUsed(), g1mm.survivorSpaceCommitted());
234 if (g1mm.useLegacyMonitoring()) {
235 printG1Space("G1 Old Generation:", g1mm.oldSpaceRegionNum(),
236 g1mm.oldSpaceUsed(), g1mm.oldSpaceCommitted());
237 } else {
238 System.out.println("G1 Old Generation:");
239 printG1Space("G1 Old Space:", g1mm.oldSpaceRegionNum(),
240 g1mm.oldSpaceUsed(), g1mm.oldSpaceCommitted());
241 printG1Space("G1 Archive Space:", g1mm.archiveSpaceRegionNum(),
242 g1mm.archiveSpaceUsed(), g1mm.archiveSpaceCommitted());
243 printG1Space("G1 Humongous Space:", g1mm.humongousSpaceRegionNum(),
244 g1mm.humongousSpaceUsed(), g1mm.humongousSpaceCommitted());
245 }
246 }
247
248 private void printG1Space(String spaceName, long regionNum,
249 long used, long capacity) {
250 long free = capacity - used;
251 System.out.println(spaceName);
252 printValue("regions = ", regionNum);
253 printValMB("capacity = ", capacity);
254 printValMB("used = ", used);
255 printValMB("free = ", free);
256 double occPerc = (capacity > 0) ? (double) used * 100.0 / capacity : 0.0;
257 System.out.println(alignment + occPerc + "% used");
258 }
259
260 private static final double FACTOR = 1024*1024;
261 private void printValMB(String title, long value) {
262 if (value < 0) {
263 System.out.println(alignment + title + (value >>> 20) + " MB");
264 } else {
265 double mb = value/FACTOR;
|