globals_ext.hpp

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_VM_RUNTIME_GLOBALS_EXT_HPP
#define SHARE_VM_RUNTIME_GLOBALS_EXT_HPP

// globals_extension.hpp extension
#define AJVM_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, lp64_product) \
                                                                            \
  manageable(bool, PrintYoungGenHistoAfterParNewGC, false,                  \
            "print the young generation class histogram after parNew GC")   \
                                                                            \
  manageable(bool, PrintGCRootsTraceTime, false,                            \
             "Print GC Trace Time")                                         \
                                                                            \
  manageable(intx, ArrayAllocationWarningSize, 512*M,                       \
             "Desired size of array space allocation before "               \
             "printing a warning")                                          \
                                                                            \
  product(bool, G1ElasticHeap, false,                                       \
          "Allow java heap to be resized in runtime")                       \
                                                                            \
  manageable(uintx, ElasticHeapMinYoungCommitPercent, 10,                   \
          "Minimal commit percentage of young gen size")                    \
          /* Similar to G1NewSizePercent/G1MaxNewSizePercent */             \
                                                                            \
  manageable(uintx, ElasticHeapYGCIntervalMinMillis, 5000,                  \
          "Might uncommit memory only if young GC interval "                \
          "larger than this threshold in milliseconds ")                    \
                                                                            \
  manageable(uintx, ElasticHeapInitialMarkIntervalMinMillis, 60000,         \
          "Might uncommit memory only if initial mark interval "            \
          "larger than this threshold in milliseconds ")                    \
                                                                            \
  manageable(bool, ElasticHeapPeriodicUncommit, false,                      \
          "Uncommit memory by periodic GC")                                 \
                                                                            \
  manageable(uintx, ElasticHeapPeriodicUncommitStartupDelay, 300,           \
          "Starup delay in seconds for periodic uncommit")                  \
                                                                            \
  manageable(uintx, ElasticHeapPeriodicMinYoungCommitPercent, 50,           \
          "Minimal commit percentage of young gen in periodic gc mode")     \
                                                                            \
  manageable(uintx, ElasticHeapPeriodicYGCIntervalMillis, 15000,            \
          "Target young gc interval in milliseconds after "                 \
          "resizing young gen in periodic gc mode")                         \
                                                                            \
  manageable(uintx, ElasticHeapPeriodicInitialMarkIntervalMillis, 3600000,  \
          "Target initial mark interval "                                   \
          "in milliseconds in periodic gc mode. "                           \
          "Free regions after mixed gc will be uncommitted. ")              \
                                                                            \
  manageable(uintx, ElasticHeapPeriodicYGCIntervalCeilingPercent, 25,       \
          "Ceiling percent of the young gc inverval larger than "           \
          "ElasticHeapPeriodicYGCIntervalMillis")                           \
                                                                            \
  manageable(uintx, ElasticHeapPeriodicYGCIntervalFloorPercent, 25,         \
          "Floor percent of the young gc interval less than "               \
          "ElasticHeapPeriodicYGCIntervalMillis")                           \
                                                                            \
  manageable(uintx, ElasticHeapEagerMixedGCIntervalMillis, 15000,           \
          "Mixed GC will be triggered if desired mixed gc doesn't happen "  \
          "after the interval in milliseconds")                             \
                                                                            \
  manageable(uintx, ElasticHeapOldGenReservePercent, 5,                     \
          "Percentage(0-100) of heap size to be reserved for "              \
          "old gen to grow")                                                \
                                                                            \
  manageable(bool, PrintElasticHeapDetails, true,                           \
          "Print Elastic Heap detail information in GC log")                \
                                                                            \
  product(uintx, ElasticHeapParallelWorkers, 0,                             \
          "Number of parallel worker threads for memory "                   \
          "commit/uncommit. 0 be same as ConcGCThreads")                    \
                                                                            \
  product(bool, MultiTenant, false,                                         \
          "Enable the multi-tenant feature.")                               \
                                                                            \
  product(bool, TenantHeapIsolation, false,                                 \
          "Isolates heap memory used by different TenantContainers")        \
                                                                            \
  product(bool, UsePerTenantTLAB, false,                                    \
          "Mutator may maintain multiple TLABs for each of the tenants")    \
                                                                            \
  product(bool, TenantHeapThrottling, false,                                \
             "Enable heap throttling per tenant")                           \


  //add new AJVM specific flags here


AJVM_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG, DECLARE_MANAGEABLE_FLAG, DECLARE_PRODUCT_RW_FLAG, DECLARE_LP64_PRODUCT_FLAG)

// Additional CommandLineFlags enum values
#define COMMANDLINEFLAG_EXT AJVM_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER, RUNTIME_PD_DEVELOP_FLAG_MEMBER,      \
                                       RUNTIME_PRODUCT_FLAG_MEMBER, RUNTIME_PD_PRODUCT_FLAG_MEMBER,      \
                                       RUNTIME_DIAGNOSTIC_FLAG_MEMBER, RUNTIME_EXPERIMENTAL_FLAG_MEMBER, \
                                       RUNTIME_NOTPRODUCT_FLAG_MEMBER, RUNTIME_MANAGEABLE_FLAG_MEMBER,   \
                                       RUNTIME_PRODUCT_RW_FLAG_MEMBER, RUNTIME_LP64_PRODUCT_FLAG_MEMBER)

// Additional CommandLineFlagsWithType enum values
#define COMMANDLINEFLAGWITHTYPE_EXT AJVM_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE,       \
                                               RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE,    \
                                               RUNTIME_PRODUCT_FLAG_MEMBER_WITH_TYPE,       \
                                               RUNTIME_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE,    \
                                               RUNTIME_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE,    \
                                               RUNTIME_EXPERIMENTAL_FLAG_MEMBER_WITH_TYPE,  \
                                               RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE,    \
                                               RUNTIME_MANAGEABLE_FLAG_MEMBER_WITH_TYPE,    \
                                               RUNTIME_PRODUCT_RW_FLAG_MEMBER_WITH_TYPE,    \
                                               RUNTIME_LP64_PRODUCT_FLAG_MEMBER_WITH_TYPE)


// globals.cpp extension

// Additional flag definitions
#define MATERIALIZE_FLAGS_EXT AJVM_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG,  \
                                         MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG,      \
                                         MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \
                                         MATERIALIZE_NOTPRODUCT_FLAG, MATERIALIZE_MANAGEABLE_FLAG,   \
                                         MATERIALIZE_PRODUCT_RW_FLAG, MATERIALIZE_LP64_PRODUCT_FLAG)

// Additional flag descriptors: see flagTable definition
#define FLAGTABLE_EXT AJVM_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT,      \
                                 RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT,      \
                                 RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_EXPERIMENTAL_FLAG_STRUCT, \
                                 RUNTIME_NOTPRODUCT_FLAG_STRUCT, RUNTIME_MANAGEABLE_FLAG_STRUCT,   \
                                 RUNTIME_PRODUCT_RW_FLAG_STRUCT, RUNTIME_LP64_PRODUCT_FLAG_STRUCT)


// Default method implementations

inline bool Flag::is_unlocker_ext() const {
  return false;
}

inline bool Flag::is_unlocked_ext() const {
  return true;
}

inline bool Flag::is_writeable_ext() const {
  return false;
}

inline bool Flag::is_external_ext() const {
  return false;
}

inline void Flag::get_locked_message_ext(char* buf, int buflen) const {
  assert(buf != NULL, "Buffer cannot be NULL");
  buf[0] = '\0';
}

#endif // SHARE_VM_RUNTIME_GLOBALS_EXT_HPP