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test/hotspot/jtreg/runtime/cds/appcds/aotCode/AOTCodeCompressedOopsTest.java

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156         public void checkExecution(OutputAnalyzer out, RunMode runMode) throws Exception {
157             if (runMode == RunMode.PRODUCTION) {
158                  int aotCacheShift = -1, currentShift = -1;
159                  long aotCacheBase = -1, currentBase = -1;
160                  List<String> list = out.asLines();
161                  /* We tried to have CompressedOops settings as per the test requirement,
162                   * but it ultimately depends on OS and is not guaranteed that we have got the desired settings.
163                   * So we parse the log output from the production run to get the real settings.
164                   *
165                   * Parse the following Xlog:cds output to get the values of CompressedOops::base and CompressedOops::shift
166                   * used during the AOTCache assembly and production run:
167                   *
168                   *    [0.022s][info][cds] CDS archive was created with max heap size = 1024M, and the following configuration:
169                   *    [0.022s][info][cds]     narrow_klass_base at mapping start address, narrow_klass_pointer_bits = 32, narrow_klass_shift = 0
170                   *    [0.022s][info][cds]     narrow_oop_mode = 1, narrow_oop_base = 0x0000000000000000, narrow_oop_shift = 3
171                   *    [0.022s][info][cds] The current max heap size = 31744M, G1HeapRegion::GrainBytes = 16777216
172                   *    [0.022s][info][cds]     narrow_klass_base = 0x000007fc00000000, arrow_klass_pointer_bits = 32, narrow_klass_shift = 0
173                   *    [0.022s][info][cds]     narrow_oop_mode = 3, narrow_oop_base = 0x0000000300000000, narrow_oop_shift = 3
174                   *    [0.022s][info][cds]     heap range = [0x0000000301000000 - 0x0000000ac1000000]
175                   */
176                  Pattern p = Pattern.compile("narrow_oop_base = 0x(\\d+), narrow_oop_shift = (\\d)");
177                  for (int i = 0; i < list.size(); i++) {
178                      String line = list.get(i);
179                      if (line.indexOf("CDS archive was created with max heap size") != -1) {
180                          // Parse AOT Cache CompressedOops settings
181                          line = list.get(i+2);
182                          Matcher m = p.matcher(line);
183                          if (!m.find()) {
184                              throw new RuntimeException("Pattern \"" + p + "\" not found in the output");
185                          }
186                          aotCacheBase = Long.valueOf(m.group(1), 16);
187                          aotCacheShift = Integer.valueOf(m.group(2));
188                          // Parse current CompressedOops settings
189                          line = list.get(i+5);
190                          m = p.matcher(line);
191                          if (!m.find()) {
192                              throw new RuntimeException("Pattern \"" + p + "\" not found in the output");
193                          }
194                          currentBase = Long.valueOf(m.group(1), 16);
195                          currentShift = Integer.valueOf(m.group(2));
196                          break;
197                      }
198                  }
199                  if (aotCacheShift == -1 || currentShift == -1 || aotCacheBase == -1 || currentBase == -1) {
200                      throw new RuntimeException("Failed to find CompressedOops settings");
201                  }
202                  if (aotCacheShift != currentShift) {
203                      out.shouldContain("AOT Code Cache disabled: it was created with different CompressedOops::shift()");
204                  } else if ((aotCacheBase == 0 || currentBase == 0) && (aotCacheBase != currentBase)) {
205                      out.shouldContain("AOTStubCaching is disabled: incompatible CompressedOops::base()");
206                  } else {
207                      out.shouldMatch("Read \\d+ entries table at offset \\d+ from AOT Code Cache");
208                  }
209             }
210         }
211     }
212 }

156         public void checkExecution(OutputAnalyzer out, RunMode runMode) throws Exception {
157             if (runMode == RunMode.PRODUCTION) {
158                  int aotCacheShift = -1, currentShift = -1;
159                  long aotCacheBase = -1, currentBase = -1;
160                  List<String> list = out.asLines();
161                  /* We tried to have CompressedOops settings as per the test requirement,
162                   * but it ultimately depends on OS and is not guaranteed that we have got the desired settings.
163                   * So we parse the log output from the production run to get the real settings.
164                   *
165                   * Parse the following Xlog:cds output to get the values of CompressedOops::base and CompressedOops::shift
166                   * used during the AOTCache assembly and production run:
167                   *
168                   *    [0.022s][info][cds] CDS archive was created with max heap size = 1024M, and the following configuration:
169                   *    [0.022s][info][cds]     narrow_klass_base at mapping start address, narrow_klass_pointer_bits = 32, narrow_klass_shift = 0
170                   *    [0.022s][info][cds]     narrow_oop_mode = 1, narrow_oop_base = 0x0000000000000000, narrow_oop_shift = 3
171                   *    [0.022s][info][cds] The current max heap size = 31744M, G1HeapRegion::GrainBytes = 16777216
172                   *    [0.022s][info][cds]     narrow_klass_base = 0x000007fc00000000, arrow_klass_pointer_bits = 32, narrow_klass_shift = 0
173                   *    [0.022s][info][cds]     narrow_oop_mode = 3, narrow_oop_base = 0x0000000300000000, narrow_oop_shift = 3
174                   *    [0.022s][info][cds]     heap range = [0x0000000301000000 - 0x0000000ac1000000]
175                   */
176                  Pattern p = Pattern.compile("narrow_oop_base = 0x([0-9a-fA-F]+), narrow_oop_shift = (\\d)");
177                  for (int i = 0; i < list.size(); i++) {
178                      String line = list.get(i);
179                      if (line.indexOf("CDS archive was created with max heap size") != -1) {
180                          // Parse AOT Cache CompressedOops settings
181                          line = list.get(i+2);
182                          Matcher m = p.matcher(line);
183                          if (!m.find()) {
184                              throw new RuntimeException("Pattern \"" + p + "\" not found in the output. Got \"" + line + "\"");
185                          }
186                          aotCacheBase = Long.valueOf(m.group(1), 16);
187                          aotCacheShift = Integer.valueOf(m.group(2));
188                          // Parse current CompressedOops settings
189                          line = list.get(i+5);
190                          m = p.matcher(line);
191                          if (!m.find()) {
192                              throw new RuntimeException("Pattern \"" + p + "\" not found in the output. Got \"" + line + "\"");
193                          }
194                          currentBase = Long.valueOf(m.group(1), 16);
195                          currentShift = Integer.valueOf(m.group(2));
196                          break;
197                      }
198                  }
199                  if (aotCacheShift == -1 || currentShift == -1 || aotCacheBase == -1 || currentBase == -1) {
200                      throw new RuntimeException("Failed to find CompressedOops settings");
201                  }
202                  if (aotCacheShift != currentShift) {
203                      out.shouldContain("AOT Code Cache disabled: it was created with different CompressedOops::shift()");
204                  } else if ((aotCacheBase == 0 || currentBase == 0) && (aotCacheBase != currentBase)) {
205                      out.shouldContain("AOTStubCaching is disabled: incompatible CompressedOops::base()");
206                  } else {
207                      out.shouldMatch("Read \\d+ entries table at offset \\d+ from AOT Code Cache");
208                  }
209             }
210         }
211     }
212 }
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