Re: Can WM_EVENT_COUNTERS be enabled default?

[Jason Thorpe <thorpej%me.com@localhost>]

> On Jan 26, 2021, at 7:51 PM, Kengo NAKAHARA <k-nakahara%iij.ad.jp@localhost> wrote:
> 
> Hi,
> 
> Thank you for your comments.
> 
> On 2021/01/27 12:14, Jason Thorpe wrote:
>>> On Jan 26, 2021, at 6:21 PM, Kengo NAKAHARA <k-nakahara%iij.ad.jp@localhost> wrote:
>>> 
>>> Someone may worry about any other effects, I will add new kernel option
>>> WM_DISABLE_EVENT_COUNTERS, please use it.
>> No strong objection from me, but can we enable it by default only on systems with 64-bit atomics?
> 
> I see.  Hmm, I will enable WM_EVENT_COUNTERS for amd64 and aarch64
> instead of adding WM_DISABLE_EVENT_COUNTERS.  And then, I will also
> enable for other 64 bit architectures.

I think you can safely enable it by default for all _LP64.  Are the stats incremented with atomics?

-- thorpej