Messages in this thread |  | | Date | Thu, 9 Jul 2020 10:55:06 -0700 | From | Andi Kleen <> | Subject | Re: [PATCH 10/11] perf intel-pt: Add support for decoding FUP/TIP only |
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On Thu, Jul 09, 2020 at 08:36:27PM +0300, Adrian Hunter wrote: > +The q option does not decode TNT packets, and does not walk object code, but > +gets the ip from FUP and TIP packets. The q option can be used with the b and i > +options but the period is not used. The q option decodes more quickly, but is > +useful only if the control flow of interest is represented or indicated by FUP, > +TIP, TIP.PGE, or TIP.PGD packets. However the q option could be used to find > +time ranges that could then be decoded fully using the --time option.
Ah ok the documentation is here. Ignore previous suggestion.
Can you describe the effect in a high level without referring to packet names?
The user may not be familar with them.
So two qs will be PSB only decoding I hope?
-Andi
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