Mercurial > hg > truffle
changeset 20688:f913964f3fde
8066199: C2 escape analysis prevents VM from exiting quickly
Summary: Check for safepoint and block during EA Connection graph construction.
Reviewed-by: roland, vlivanov, shade
author | kvn |
---|---|
date | Tue, 02 Dec 2014 12:24:31 -0800 |
parents | a8ebd6f1b030 |
children | 3f4a5fdca318 d4caf9c96afd |
files | src/share/vm/opto/escape.cpp |
diffstat | 1 files changed, 3 insertions(+), 0 deletions(-) [+] |
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--- a/src/share/vm/opto/escape.cpp Tue Dec 02 15:01:01 2014 -0800 +++ b/src/share/vm/opto/escape.cpp Tue Dec 02 12:24:31 2014 -0800 @@ -1106,6 +1106,9 @@ // Each 4 iterations calculate how much time it will take // to complete graph construction. time.stop(); + // Poll for requests from shutdown mechanism to quiesce compiler + // because Connection graph construction may take long time. + CompileBroker::maybe_block(); double stop_time = time.seconds(); double time_per_iter = (stop_time - start_time) / (double)SAMPLE_SIZE; double time_until_end = time_per_iter * (double)(java_objects_length - next);