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/systemDictionary.hpp"
27 #include "classfile/vmSymbols.hpp"
28 #include "memory/resourceArea.hpp"
29 #include "oops/oop.inline.hpp"
30 #include "runtime/handles.inline.hpp"
31 #include "runtime/interfaceSupport.inline.hpp"
32 #include "runtime/java.hpp"
33 #include "runtime/javaCalls.hpp"
34 #include "runtime/mutex.hpp"
35 #include "runtime/mutexLocker.hpp"
36 #include "services/lowMemoryDetector.hpp"
37 #include "services/management.hpp"
38
39 volatile bool LowMemoryDetector::_enabled_for_collected_pools = false;
40 volatile jint LowMemoryDetector::_disabled_count = 0;
41
42 bool LowMemoryDetector::has_pending_requests() {
43 assert(Service_lock->owned_by_self(), "Must own Service_lock");
44 bool has_requests = false;
45 int num_memory_pools = MemoryService::num_memory_pools();
46 for (int i = 0; i < num_memory_pools; i++) {
47 MemoryPool* pool = MemoryService::get_memory_pool(i);
48 SensorInfo* sensor = pool->usage_sensor();
49 if (sensor != NULL) {
50 has_requests = has_requests || sensor->has_pending_requests();
51 }
52
53 SensorInfo* gc_sensor = pool->gc_usage_sensor();
54 if (gc_sensor != NULL) {
55 has_requests = has_requests || gc_sensor->has_pending_requests();
|
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/systemDictionary.hpp"
27 #include "classfile/vmSymbols.hpp"
28 #include "memory/resourceArea.hpp"
29 #include "oops/oop.inline.hpp"
30 #include "runtime/handles.inline.hpp"
31 #include "runtime/interfaceSupport.inline.hpp"
32 #include "runtime/java.hpp"
33 #include "runtime/javaCalls.hpp"
34 #include "runtime/mutex.hpp"
35 #include "runtime/mutexLocker.inline.hpp"
36 #include "services/lowMemoryDetector.hpp"
37 #include "services/management.hpp"
38
39 volatile bool LowMemoryDetector::_enabled_for_collected_pools = false;
40 volatile jint LowMemoryDetector::_disabled_count = 0;
41
42 bool LowMemoryDetector::has_pending_requests() {
43 assert(Service_lock->owned_by_self(), "Must own Service_lock");
44 bool has_requests = false;
45 int num_memory_pools = MemoryService::num_memory_pools();
46 for (int i = 0; i < num_memory_pools; i++) {
47 MemoryPool* pool = MemoryService::get_memory_pool(i);
48 SensorInfo* sensor = pool->usage_sensor();
49 if (sensor != NULL) {
50 has_requests = has_requests || sensor->has_pending_requests();
51 }
52
53 SensorInfo* gc_sensor = pool->gc_usage_sensor();
54 if (gc_sensor != NULL) {
55 has_requests = has_requests || gc_sensor->has_pending_requests();
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