5 * This code is free software; you can redistribute it and/or modify it 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 // 26 // Defines all globals flags used by the garbage-first compiler. 27 // 28 29 #define G1_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw) \ 30 \ 31 product(intx, G1ConfidencePercent, 50, \ 32 "Confidence level for MMU/pause predictions") \ 33 \ 34 develop(intx, G1MarkingOverheadPercent, 0, \ 35 "Overhead of concurrent marking") \ 36 \ 37 develop(bool, G1Gen, true, \ 38 "If true, it will enable the generational G1") \ 39 \ 40 develop(intx, G1PolicyVerbose, 0, \ 41 "The verbosity level on G1 policy decisions") \ 42 \ 43 develop(intx, G1MarkingVerboseLevel, 0, \ 44 "Level (0-4) of verboseness of the marking code") \ 265 product(uintx, G1ConcRefinementThreads, 0, \ 266 "If non-0 is the number of parallel rem set update threads, " \ 267 "otherwise the value is determined ergonomically.") \ 268 \ 269 develop(intx, G1CardCountCacheExpandThreshold, 16, \ 270 "Expand the card count cache if the number of collisions for " \ 271 "a particular entry exceeds this value.") \ 272 \ 273 develop(bool, G1VerifyCTCleanup, false, \ 274 "Verify card table cleanup.") \ 275 \ 276 product(uintx, G1RSetScanBlockSize, 64, \ 277 "Size of a work unit of cards claimed by a worker thread" \ 278 "during RSet scanning.") \ 279 \ 280 develop(bool, ReduceInitialCardMarksForG1, false, \ 281 "When ReduceInitialCardMarks is true, this flag setting " \ 282 " controls whether G1 allows the RICM optimization") 283 284 G1_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) | 5 * This code is free software; you can redistribute it and/or modify it 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 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1_GLOBALS_HPP 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1_GLOBALS_HPP 27 28 #include "runtime/globals.hpp" 29 30 // 31 // Defines all globals flags used by the garbage-first compiler. 32 // 33 34 #define G1_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw) \ 35 \ 36 product(intx, G1ConfidencePercent, 50, \ 37 "Confidence level for MMU/pause predictions") \ 38 \ 39 develop(intx, G1MarkingOverheadPercent, 0, \ 40 "Overhead of concurrent marking") \ 41 \ 42 develop(bool, G1Gen, true, \ 43 "If true, it will enable the generational G1") \ 44 \ 45 develop(intx, G1PolicyVerbose, 0, \ 46 "The verbosity level on G1 policy decisions") \ 47 \ 48 develop(intx, G1MarkingVerboseLevel, 0, \ 49 "Level (0-4) of verboseness of the marking code") \ 270 product(uintx, G1ConcRefinementThreads, 0, \ 271 "If non-0 is the number of parallel rem set update threads, " \ 272 "otherwise the value is determined ergonomically.") \ 273 \ 274 develop(intx, G1CardCountCacheExpandThreshold, 16, \ 275 "Expand the card count cache if the number of collisions for " \ 276 "a particular entry exceeds this value.") \ 277 \ 278 develop(bool, G1VerifyCTCleanup, false, \ 279 "Verify card table cleanup.") \ 280 \ 281 product(uintx, G1RSetScanBlockSize, 64, \ 282 "Size of a work unit of cards claimed by a worker thread" \ 283 "during RSet scanning.") \ 284 \ 285 develop(bool, ReduceInitialCardMarksForG1, false, \ 286 "When ReduceInitialCardMarks is true, this flag setting " \ 287 " controls whether G1 allows the RICM optimization") 288 289 G1_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) 290 291 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1_GLOBALS_HPP |