system-tap support in Ubuntu kernel

[Bryan Wu]

On 06/29/2010 01:46 PM, Amit Kucheria wrote:
> On 10 Jun 28, Chase Douglas wrote:
>>
>> The problem here is that ARM still cannot dynamically enable and disable
>> ftrace. Thus, enabling it for ARM has a performance hit.
>
> Do you know if this is being actively worked on?
>

IIRC, there are some patches in arm-linux mail list, which add dynamic ftrace 
feature. But they are not in mainline yet.

Thanks,
-Bryan