tree 02b6ae4098a942a9043bcbf15045266ed022211a
parent a5692cf6ebd59095ccd62db9b296f8d4f8aae144
author Runhang Li <rli@twitter.com> 1498596332 -0700
committer Runhang Li <rli@twitter.com> 1498690472 -0700

Only profile when receiving signal.