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 "gc/serial/serialArguments.hpp"
27 #include "gc/shared/gcConfig.hpp"
28 #include "runtime/java.hpp"
29 #include "runtime/os.hpp"
30 #include "utilities/macros.hpp"
31 #if INCLUDE_ALL_GCS
32 #include "gc/parallel/parallelArguments.hpp"
33 #include "gc/cms/cmsArguments.hpp"
34 #include "gc/g1/g1Arguments.hpp"
35 #endif // INCLUDE_ALL_GCS
36
37 struct SupportedGC {
38 bool& _flag;
39 CollectedHeap::Name _name;
40 GCArguments& _arguments;
41
42 SupportedGC(bool& flag, CollectedHeap::Name name, GCArguments& arguments) :
43 _flag(flag), _name(name), _arguments(arguments) {}
44 };
45
46 static SerialArguments serialArguments;
47 #if INCLUDE_ALL_GCS
48 static ParallelArguments parallelArguments;
49 static CMSArguments cmsArguments;
50 static G1Arguments g1Arguments;
51 #endif // INCLUDE_ALL_GCS
52
53 // Table of supported GCs, for translating between command
54 // line flag, CollectedHeap::Name and GCArguments instance.
55 static const SupportedGC SupportedGCs[] = {
56 SupportedGC(UseSerialGC, CollectedHeap::Serial, serialArguments),
57 #if INCLUDE_ALL_GCS
58 SupportedGC(UseParallelGC, CollectedHeap::Parallel, parallelArguments),
59 SupportedGC(UseParallelOldGC, CollectedHeap::Parallel, parallelArguments),
60 SupportedGC(UseConcMarkSweepGC, CollectedHeap::CMS, cmsArguments),
61 SupportedGC(UseG1GC, CollectedHeap::G1, g1Arguments),
62 #endif // INCLUDE_ALL_GCS
63 };
64
65 GCArguments* GCConfig::_arguments = NULL;
66 bool GCConfig::_gc_selected_ergonomically = false;
67
68 void GCConfig::select_gc_ergonomically() {
69 #if INCLUDE_ALL_GCS
70 if (os::is_server_class_machine()) {
71 FLAG_SET_ERGO_IF_DEFAULT(bool, UseG1GC, true);
72 } else {
73 FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true);
74 }
75 #else
76 UNSUPPORTED_OPTION(UseG1GC);
77 UNSUPPORTED_OPTION(UseParallelGC);
78 UNSUPPORTED_OPTION(UseParallelOldGC);
79 UNSUPPORTED_OPTION(UseConcMarkSweepGC);
80 FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true);
81 #endif // INCLUDE_ALL_GCS
|
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 "gc/serial/serialArguments.hpp"
27 #include "gc/shared/gcConfig.hpp"
28 #include "runtime/java.hpp"
29 #include "runtime/os.hpp"
30 #include "utilities/macros.hpp"
31 #if INCLUDE_ALL_GCS
32 #include "gc/parallel/parallelArguments.hpp"
33 #include "gc/cms/cmsArguments.hpp"
34 #include "gc/g1/g1Arguments.hpp"
35 #include "gc/epsilon/epsilonArguments.hpp"
36 #endif // INCLUDE_ALL_GCS
37
38 struct SupportedGC {
39 bool& _flag;
40 CollectedHeap::Name _name;
41 GCArguments& _arguments;
42
43 SupportedGC(bool& flag, CollectedHeap::Name name, GCArguments& arguments) :
44 _flag(flag), _name(name), _arguments(arguments) {}
45 };
46
47 static SerialArguments serialArguments;
48 #if INCLUDE_ALL_GCS
49 static ParallelArguments parallelArguments;
50 static CMSArguments cmsArguments;
51 static G1Arguments g1Arguments;
52 static EpsilonArguments epsilonArguments;
53 #endif // INCLUDE_ALL_GCS
54
55 // Table of supported GCs, for translating between command
56 // line flag, CollectedHeap::Name and GCArguments instance.
57 static const SupportedGC SupportedGCs[] = {
58 SupportedGC(UseSerialGC, CollectedHeap::Serial, serialArguments),
59 #if INCLUDE_ALL_GCS
60 SupportedGC(UseParallelGC, CollectedHeap::Parallel, parallelArguments),
61 SupportedGC(UseParallelOldGC, CollectedHeap::Parallel, parallelArguments),
62 SupportedGC(UseConcMarkSweepGC, CollectedHeap::CMS, cmsArguments),
63 SupportedGC(UseG1GC, CollectedHeap::G1, g1Arguments),
64 SupportedGC(UseEpsilonGC, CollectedHeap::Epsilon, epsilonArguments),
65 #endif // INCLUDE_ALL_GCS
66 };
67
68 GCArguments* GCConfig::_arguments = NULL;
69 bool GCConfig::_gc_selected_ergonomically = false;
70
71 void GCConfig::select_gc_ergonomically() {
72 #if INCLUDE_ALL_GCS
73 if (os::is_server_class_machine()) {
74 FLAG_SET_ERGO_IF_DEFAULT(bool, UseG1GC, true);
75 } else {
76 FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true);
77 }
78 #else
79 UNSUPPORTED_OPTION(UseG1GC);
80 UNSUPPORTED_OPTION(UseParallelGC);
81 UNSUPPORTED_OPTION(UseParallelOldGC);
82 UNSUPPORTED_OPTION(UseConcMarkSweepGC);
83 FLAG_SET_ERGO_IF_DEFAULT(bool, UseSerialGC, true);
84 #endif // INCLUDE_ALL_GCS
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