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Re: [Xen-devel] [PATCH 05/15] xen: make it possible to disable tracing in Kconfig.



On 07/06/17 16:14, Jan Beulich wrote:
>>>> On 01.06.17 at 19:34, <dario.faggioli@xxxxxxxxxx> wrote:
>> --- a/xen/Kconfig.debug
>> +++ b/xen/Kconfig.debug
>> @@ -98,6 +98,14 @@ config PERF_ARRAYS
>>      ---help---
>>        Enables software performance counter array histograms.
>>  
>> +config TRACING
>> +    bool "Tracing"
>> +    default y
> 
> default DEBUG (you don't want to suggest turning it on for a
> release build)

In the past I've found it pretty useful to have on in release builds of
XenServer, to analyze performance problems a customer was having, and
sometimes to see where the guest was crashing.

 -George


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