Re: [Patch v9 10/12] perf/x86/intel: Update dyn_constranit base on PEBS event precise level

[Mi, Dapeng]

On 11/10/2025 5:03 PM, Peter Zijlstra wrote:
> On Mon, Nov 10, 2025 at 08:23:55AM +0800, Mi, Dapeng wrote:
>
>>> @@ -5536,6 +5540,14 @@ static void intel_pmu_check_dyn_constr(s
>>>  				continue;
>>>  			mask = hybrid(pmu, acr_cause_mask64) & GENMASK_ULL(INTEL_PMC_MAX_GENERIC - 1, 0);
>>>  			break;
>>> +		case DYN_CONSTR_PEBS:
>>> +			if (x86_pmu.arch_pebs)
>>> +				mask = hybrid(pmu, arch_pebs_cap).counters;
>>> +			break;
>>> +		case DYN_CONSTR_PDIST:
>>> +			if (x86_pmu.arch_pebs)
>>> +				mask = hybrid(pmu, arch_pebs_cap).pdists;
>>> +			break;
>>>  		default:
>>>  			pr_warn("Unsupported dynamic constraint type %d\n", i);
>>>  		}
>> Yes, exactly. Thanks.
> Excellent. Could you please double check and try the bits I have in
> queue/perf/core ? I don't think I've got v6 hardware at hand.

Sure. I would post test results tomorrow.