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Enhancement
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Resolution: Fixed
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P4
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11, 18
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b11
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generic
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generic
In our production environment, jps can not report running java process in rare cases. We can not tell if create_shared_memory failed at startup or /tmp/hsperfdata_user/pid is accidentally deleted.
PerfDisableSharedMem is set true directly in PerfMemory::create_memory_region, it's better updated with FLAG_SET_ERGO, so jcmd can check vm.flags and tells if create_shared_memory failed at startup time.
PerfDisableSharedMem is set true directly in PerfMemory::create_memory_region, it's better updated with FLAG_SET_ERGO, so jcmd can check vm.flags and tells if create_shared_memory failed at startup time.