Re: [RFC][PATCH] tracing: Remove useless 4 bytes of padding fromevery event

[Arjan van de Ven]

On 5/16/2012 12:33 PM, Linus Torvalds wrote:
> On Wed, May 16, 2012 at 6:44 AM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
>>
>> But this change will break PowerTop v1. Thus my question is, how long do
>> we need to keep this wasted space in the ring buffers to satisfy an out
>> of date tool?
> 
> The wasted space seems of limited importance.
> 
> More important is to check which distros have the new powertop.
> 
> F16 and F17 seem to have powertop-1.98, which I assume is the new
> world order already. But maybe I assume incorrectly.

this is the one that will break

> 
> F14 (which I personally still use, since it doesn't have gnome3) is 1.13.

this one is fine, it does not use perf events at all.

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