Re: [PATCH 4/5] nds32: Fix perf multiple events map to same counter.

2018-10-22 Thread Nick Hu
Hi Mark, On Thu, Oct 18, 2018 at 10:29:05PM +0800, Mark Rutland wrote: > On Thu, Oct 18, 2018 at 04:43:16PM +0800, Nickhu wrote: > > When there are multiple events map to the same counter, the counter > > counts inaccurately. This is because each counter only counts one event > > in the same time.

Re: [PATCH 4/5] nds32: Fix perf multiple events map to same counter.

2018-10-18 Thread Mark Rutland
On Thu, Oct 18, 2018 at 04:43:16PM +0800, Nickhu wrote: > When there are multiple events map to the same counter, the counter > counts inaccurately. This is because each counter only counts one event > in the same time. > So when there are multiple events map to same counter, they have to take > tu