src/share/vm/memory/metaspaceTracer.cpp

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rev 6083 : 8036699: Add trace event when a metaspace allocation fails
rev 6084 : 8036699: webrev.00 -> webrev.01


   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"

  26 #include "memory/metaspaceTracer.hpp"
  27 #include "trace/tracing.hpp"
  28 #include "trace/traceBackend.hpp"
  29 
  30 void MetaspaceTracer::report_gc_threshold(size_t old_val,
  31                                           size_t new_val,
  32                                           MetaspaceGCThresholdUpdater::Type updater) const {
  33   EventMetaspaceGCThreshold event;
  34   if (event.should_commit()) {
  35     event.set_oldValue(old_val);
  36     event.set_newValue(new_val);
  37     event.set_updater((u1)updater);

























  38     event.commit();
  39   }
  40 }


   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/classLoaderData.hpp"
  27 #include "memory/metaspaceTracer.hpp"
  28 #include "trace/tracing.hpp"
  29 #include "trace/traceBackend.hpp"
  30 
  31 void MetaspaceTracer::report_gc_threshold(size_t old_val,
  32                                           size_t new_val,
  33                                           MetaspaceGCThresholdUpdater::Type updater) const {
  34   EventMetaspaceGCThreshold event;
  35   if (event.should_commit()) {
  36     event.set_oldValue(old_val);
  37     event.set_newValue(new_val);
  38     event.set_updater((u1)updater);
  39     event.commit();
  40   }
  41 }
  42 
  43 void MetaspaceTracer::report_metaspace_allocation_failure(ClassLoaderData *cld,
  44                                                           size_t word_size,
  45                                                           MetaspaceObj::Type objtype,
  46                                                           Metaspace::MetadataType mdtype) const {
  47   EventMetaspaceAllocationFailure event;
  48   if (event.should_commit()) {
  49     if (cld->is_anonymous()) {
  50       event.set_classLoader(NULL);
  51       event.set_anonymousClassLoader(true);
  52     } else {
  53       if (cld->is_the_null_class_loader_data()) {
  54         event.set_classLoader((Klass*) NULL);
  55       } else {
  56         event.set_classLoader(cld->class_loader()->klass());
  57       }
  58       event.set_anonymousClassLoader(false);
  59     }
  60 
  61     event.set_size(word_size * BytesPerWord);
  62     event.set_metadataType((u1) mdtype);
  63     event.set_metaspaceObjectType((u1) objtype);
  64     event.commit();
  65   }
  66 }