On Sun, Mar 20, 2016 at 12:08:48AM -0700, Han Zhou wrote:
> bitwise_rscan() is found to be hot spot in ovn-controller during OVN
> scalability tests. It is triggered by lflow_run() when processing
> lflow updates from SB ovsdb. The perf result shows:
>
> + 35.90% ovn-controller ovn-controller
On Sun, Mar 20, 2016 at 9:41 AM, William Tu wrote:
>
> Hi Han Zhou,
>
> Just curious and not related to the bitwise_rscan().
> Do you get a chance to know what this kernel symbol is?
Here is the report with kernel symbols resolved.
--- before optimization ---
+ 36.27% ovn-controller ovn-contr
Hi Han Zhou,
Just curious and not related to the bitwise_rscan().
Do you get a chance to know what this kernel symbol is?
>
> + 11.34% ovn-controller [kernel.kallsyms] [k] 0x8104f45a
>
you can try "cat /proc/kallsyms" and see where it locates.
> + 8.15% ovn-controller libc-2.1
