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src/hotspot/share/gc/shenandoah/shenandoahHeapRegionCounters.cpp

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  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11  * version 2 for more details (a copy is included in the LICENSE file that
  12  * accompanied this code).
  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 #include "precompiled.hpp"
  25 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
  26 #include "gc/shenandoah/shenandoahHeapRegion.hpp"
  27 #include "gc/shenandoah/shenandoahHeapRegionSet.hpp"
  28 #include "gc/shenandoah/shenandoahHeapRegionCounters.hpp"
  29 #include "memory/resourceArea.hpp"

  30 #include "runtime/perfData.inline.hpp"
  31 
  32 ShenandoahHeapRegionCounters::ShenandoahHeapRegionCounters() :
  33   _last_sample_millis(0)
  34 {
  35   if (UsePerfData && ShenandoahRegionSampling) {
  36     EXCEPTION_MARK;
  37     ResourceMark rm;
  38     ShenandoahHeap* heap = ShenandoahHeap::heap();
  39     size_t num_regions = heap->num_regions();
  40     const char* cns = PerfDataManager::name_space("shenandoah", "regions");
  41     _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
  42     strcpy(_name_space, cns);
  43 
  44     const char* cname = PerfDataManager::counter_name(_name_space, "timestamp");
  45     _timestamp = PerfDataManager::create_long_variable(SUN_GC, cname, PerfData::U_None, CHECK);
  46 
  47     cname = PerfDataManager::counter_name(_name_space, "max_regions");
  48     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None, num_regions, CHECK);
  49 




  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11  * version 2 for more details (a copy is included in the LICENSE file that
  12  * accompanied this code).
  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 #include "precompiled.hpp"
  25 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
  26 #include "gc/shenandoah/shenandoahHeapRegion.hpp"
  27 #include "gc/shenandoah/shenandoahHeapRegionSet.hpp"
  28 #include "gc/shenandoah/shenandoahHeapRegionCounters.hpp"
  29 #include "memory/resourceArea.hpp"
  30 #include "runtime/atomic.hpp"
  31 #include "runtime/perfData.inline.hpp"
  32 
  33 ShenandoahHeapRegionCounters::ShenandoahHeapRegionCounters() :
  34   _last_sample_millis(0)
  35 {
  36   if (UsePerfData && ShenandoahRegionSampling) {
  37     EXCEPTION_MARK;
  38     ResourceMark rm;
  39     ShenandoahHeap* heap = ShenandoahHeap::heap();
  40     size_t num_regions = heap->num_regions();
  41     const char* cns = PerfDataManager::name_space("shenandoah", "regions");
  42     _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
  43     strcpy(_name_space, cns);
  44 
  45     const char* cname = PerfDataManager::counter_name(_name_space, "timestamp");
  46     _timestamp = PerfDataManager::create_long_variable(SUN_GC, cname, PerfData::U_None, CHECK);
  47 
  48     cname = PerfDataManager::counter_name(_name_space, "max_regions");
  49     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None, num_regions, CHECK);
  50 


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