Stack walking performance issue
aph at redhat.com
Mon Mar 18 13:48:17 UTC 2019
On 3/18/19 11:33 AM, Stefan Karlsson wrote:
> In ZGC (in JDK 11), we actually do clean out the "weak" pointers in the
> ResolvedMethodTable, but we do not remove the entries. Therefore, if you
> do a lot of stack walking and throw away the StackFrameInfos, the
> ResolvedMethodTable will fill up with cleared entries pointing to NULL.
That's got to be easily fixable, surely?
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
More information about the zgc-dev