Re: Using perf: Getting guest kallsyms

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On 8 November 2012 14:53, Sundaram, Senthilkumar
<ssundara@xxxxxxxxxxxxxxxx> wrote:
> Peter Maydell [mailto:peter.maydell@xxxxxxxxxx] wrote:
>> You should be aware that the performance characteristics of the fast model
>> do not particularly correspond to how any kind of hardware might behave;
>> you need to be very cautious about interpreting cpu utilization or other
>> performance related data you gather. Gathering perf info on real hardware
>> would be rather safer.
>>
> [[ss]] Agreed. I am waiting for my hardware. I want to have my setup
> ready by the time the hardware shows up. Also, while the timing
> information may not be very useful,   the "kvm trace events" may still
> be useful. Perf has a mode to print the count of various events that
> occurred for a particular period. I think that will be still be useful.

Yes, that all sounds reasonable -- just wanted to check you were aware
of the potential pitfalls in this area.

-- PMM
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