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comparison src/share/vm/runtime/globals.hpp @ 12324:510fbd28919c

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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
date Fri, 27 Sep 2013 10:50:55 +0200
parents 72b7e96c1922
children 1c3486050433
comparison
equal deleted inserted replaced
12323:c9ccd7b85f20 12324:510fbd28919c
2866 "Number of invocations of sweeper to cover all nmethods") \ 2866 "Number of invocations of sweeper to cover all nmethods") \
2867 \ 2867 \
2868 product(intx, NmethodSweepCheckInterval, 5, \ 2868 product(intx, NmethodSweepCheckInterval, 5, \
2869 "Compilers wake up every n seconds to possibly sweep nmethods") \ 2869 "Compilers wake up every n seconds to possibly sweep nmethods") \
2870 \ 2870 \
2871 product(intx, NmethodSweepActivity, 10, \
2872 "Removes cold nmethods from code cache if > 0. Higher values " \
2873 "result in more aggressive sweeping") \
2874 \
2871 notproduct(bool, LogSweeper, false, \ 2875 notproduct(bool, LogSweeper, false, \
2872 "Keep a ring buffer of sweeper activity") \ 2876 "Keep a ring buffer of sweeper activity") \
2873 \ 2877 \
2874 notproduct(intx, SweeperLogEntries, 1024, \ 2878 notproduct(intx, SweeperLogEntries, 1024, \
2875 "Number of records in the ring buffer of sweeper activity") \ 2879 "Number of records in the ring buffer of sweeper activity") \
3236 notproduct(bool, ExitOnFullCodeCache, false, \ 3240 notproduct(bool, ExitOnFullCodeCache, false, \
3237 "Exit the VM if we fill the code cache.") \ 3241 "Exit the VM if we fill the code cache.") \
3238 \ 3242 \
3239 product(bool, UseCodeCacheFlushing, true, \ 3243 product(bool, UseCodeCacheFlushing, true, \
3240 "Attempt to clean the code cache before shutting off compiler") \ 3244 "Attempt to clean the code cache before shutting off compiler") \
3241 \
3242 product(intx, MinCodeCacheFlushingInterval, 30, \
3243 "Min number of seconds between code cache cleaning sessions") \
3244 \
3245 product(uintx, CodeCacheFlushingMinimumFreeSpace, 1500*K, \
3246 "When less than X space left, start code cache cleaning") \
3247 \
3248 product(uintx, CodeCacheFlushingFraction, 2, \
3249 "Fraction of the code cache that is flushed when full") \
3250 \ 3245 \
3251 /* interpreter debugging */ \ 3246 /* interpreter debugging */ \
3252 develop(intx, BinarySwitchThreshold, 5, \ 3247 develop(intx, BinarySwitchThreshold, 5, \
3253 "Minimal number of lookupswitch entries for rewriting to binary " \ 3248 "Minimal number of lookupswitch entries for rewriting to binary " \
3254 "switch") \ 3249 "switch") \