Re: increase in time to delete an interface with 4.x kernels

2015-07-27 Thread Alexander Duyck
On 07/27/2015 09:49 AM, David Ahern wrote: Hi Alex: I believe you did the recent overhaul to the fib implementation. I am seeing dramatically higher times to delete an interface with an ipv4 address in 4.2-rc3. perf-top points to update_suffix: PerfTop: 15834 irqs/sec kernel:97.3% exact

increase in time to delete an interface with 4.x kernels

2015-07-27 Thread David Ahern
Hi Alex: I believe you did the recent overhaul to the fib implementation. I am seeing dramatically higher times to delete an interface with an ipv4 address in 4.2-rc3. perf-top points to update_suffix: PerfTop: 15834 irqs/sec kernel:97.3% exact: 0.0% [4000Hz cpu-clock], (all, 4 CPUs