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8020151: PSR:PERF Large performance regressions when code cache is filled

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Code cache sweeping based on method hotness; removed speculatively disconnect

Reviewed-by: kvn, iveresov
This commit is contained in:
Albert Noll 2013-09-27 10:50:55 +02:00
parent 441f1d74cf
commit 0dee555ead
15 changed files with 240 additions and 418 deletions
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4
hotspot/src/share/vm/runtime/safepoint.cpp
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@ -519,8 +519,8 @@ void SafepointSynchronize::do_cleanup_tasks() {
}
{
TraceTime t4("sweeping nmethods", TraceSafepointCleanupTime);
NMethodSweeper::scan_stacks();
TraceTime t4("mark nmethods", TraceSafepointCleanupTime);
NMethodSweeper::mark_active_nmethods();
}
if (SymbolTable::needs_rehashing()) {