On Wed, Mar 09, 2016 at 07:39:19PM +0300, Cyrill Gorcunov wrote: > On Sun, Mar 06, 2016 at 08:06:41PM +0300, Cyrill Gorcunov wrote: > > > > > > Well, this looks like LOCKDEP kernel. Are you really running LOCKDEP on > > > production kernels ? > > > > Hi Eric, David. Sorry for the delay. Finally I've measured the > latency on the hw. It's i7-2600 cpu with 16G of memory. Here > are the collected data. ... > > > Also here is a graph for the data collected (blue line: unpatched > version, red -- patched. Of course with patched version it become > a way more better but still hanging). > > https://docs.google.com/spreadsheets/d/1eyQDxjuZY2DHKYksGACpHDDcV1Bd92e-ZiY8ywPKshA/edit?usp=sharing > > The perf output earlier shows the "perf top" when addresses > are created and when they are releasing.
In text form ------------- Num of addresses Unpatched (sec) Patched (sec) 4 1 1 2704 5 5 10404 20 20 23104 45 42 40804 83 74 63504 139 113