On 31/08/20 9:23 am, Andi Kleen wrote:
> On Sat, Aug 29, 2020 at 01:50:14PM +0300, Adrian Hunter wrote:
>> Add 'snapshot' control command to create an AUX area tracing snapshot the
>> same as if sending SIGUSR2. The advantage of the FIFO is that access is
>> governed by access to the FIFO.
> 
> How about the --switch-output SIGUSR2 switch? Could that be handled too?

Presumably, but I have never used --switch-out because Intel PT does not yet
support it (it is on the list of things to do).  Perhaps someone more
familiar with it can add that :-)

> 
> Other than that it looks great. Thanks.
> 
> -Andi
> 

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