Mercurial > hg > truffle
comparison src/share/vm/runtime/arguments.cpp @ 12324:510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
Summary: Code cache sweeping based on method hotness; removed speculatively disconnect
Reviewed-by: kvn, iveresov
author | anoll |
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date | Fri, 27 Sep 2013 10:50:55 +0200 |
parents | 72b7e96c1922 |
children | 1c3486050433 |
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12323:c9ccd7b85f20 | 12324:510fbd28919c |
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1128 } | 1128 } |
1129 if (!UseInterpreter) { // -Xcomp | 1129 if (!UseInterpreter) { // -Xcomp |
1130 Tier3InvokeNotifyFreqLog = 0; | 1130 Tier3InvokeNotifyFreqLog = 0; |
1131 Tier4InvocationThreshold = 0; | 1131 Tier4InvocationThreshold = 0; |
1132 } | 1132 } |
1133 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { | |
1134 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); | |
1135 } | |
1133 } | 1136 } |
1134 | 1137 |
1135 #if INCLUDE_ALL_GCS | 1138 #if INCLUDE_ALL_GCS |
1136 static void disable_adaptive_size_policy(const char* collector_name) { | 1139 static void disable_adaptive_size_policy(const char* collector_name) { |
1137 if (UseAdaptiveSizePolicy) { | 1140 if (UseAdaptiveSizePolicy) { |
2331 jio_fprintf(defaultStream::error_stream(), | 2334 jio_fprintf(defaultStream::error_stream(), |
2332 "Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M, | 2335 "Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M, |
2333 (2*G)/M); | 2336 (2*G)/M); |
2334 status = false; | 2337 status = false; |
2335 } | 2338 } |
2339 | |
2340 status &= verify_interval(NmethodSweepFraction, 1, ReservedCodeCacheSize/K, "NmethodSweepFraction"); | |
2341 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); | |
2342 | |
2336 return status; | 2343 return status; |
2337 } | 2344 } |
2338 | 2345 |
2339 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | 2346 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, |
2340 const char* option_type) { | 2347 const char* option_type) { |