Messages in this thread |  | | Date | Thu, 9 Jul 2020 10:50:46 -0700 | From | Andi Kleen <> | Subject | Re: [PATCH 05/11] perf intel-pt: Use itrace error flags to suppress some errors |
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On Thu, Jul 09, 2020 at 08:36:22PM +0300, Adrian Hunter wrote: > The itrace "e" option may be followed by a number which has the > following effect for Intel PT: > 1 Suppress overflow events > 2 Suppress trace data lost events > The values may be combined by bitwise OR'ing them. > > Suppressing those errors can be useful for testing and debugging > because they are not due to decoding.
I suspect it will be useful to more than just decoding and debugging.
But the number is not a nice user interface.
How about e[....]
like e[ol]
Also it's a bit unusual that this disables instead of enables, but ok.
-Andi
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