Commit bdc0feee authored by Alexander Antonov's avatar Alexander Antonov Committed by Peter Zijlstra
Browse files

perf/x86/intel/uncore: Fix IIO event constraints for Snowridge 



According to the latest uncore document, DATA_REQ_OF_CPU (0x83),
DATA_REQ_BY_CPU (0xc0) and COMP_BUF_OCCUPANCY (0xd5) events have
constraints. Add uncore IIO constraints for Snowridge.

Fixes: 210cc5f9 ("perf/x86/intel/uncore: Add uncore support for Snow Ridge server")
Signed-off-by: default avatarAlexander Antonov <alexander.antonov@linux.intel.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarKan Liang <kan.liang@linux.intel.com>
Link: https://lore.kernel.org/r/20211115090334.3789-4-alexander.antonov@linux.intel.com
parent 3866ae31

arch/x86/events/intel/uncore_snbep.c

+8 −0
Original line number Diff line number Diff line
@@ -4529,6 +4529,13 @@ static void snr_iio_cleanup_mapping(struct intel_uncore_type *type) 
	pmu_iio_cleanup_mapping(type, &snr_iio_mapping_group);

}



static struct event_constraint snr_uncore_iio_constraints[] = {

	UNCORE_EVENT_CONSTRAINT(0x83, 0x3),

	UNCORE_EVENT_CONSTRAINT(0xc0, 0xc),

	UNCORE_EVENT_CONSTRAINT(0xd5, 0xc),

	EVENT_CONSTRAINT_END

};



static struct intel_uncore_type snr_uncore_iio = {

	.name			= "iio",

	.num_counters		= 4,
@@ -4540,6 +4547,7 @@ static struct intel_uncore_type snr_uncore_iio = { 
	.event_mask_ext		= SNR_IIO_PMON_RAW_EVENT_MASK_EXT,

	.box_ctl		= SNR_IIO_MSR_PMON_BOX_CTL,

	.msr_offset		= SNR_IIO_MSR_OFFSET,

	.constraints		= snr_uncore_iio_constraints,

	.ops			= &ivbep_uncore_msr_ops,

	.format_group		= &snr_uncore_iio_format_group,

	.attr_update		= snr_iio_attr_update,