[PATCH V2 10/13] perf/x86/intel/uncore: Update DMR uncore constraints preliminarily
From: Zide Chen
Date: Wed Dec 31 2025 - 17:49:47 EST
Update event constraints base on the latest DMR uncore event list.
Signed-off-by: Zide Chen <zide.chen@xxxxxxxxx>
---
V2:
- make use of the new UNCORE_EVENT_CONSTRAINT_RANGE
arch/x86/events/intel/uncore_snbep.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index fac2be780276..3f96fcc8562b 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -6660,10 +6660,19 @@ static const struct attribute_group dmr_cxlcm_uncore_format_group = {
.attrs = dmr_cxlcm_uncore_formats_attr,
};
+static struct event_constraint dmr_uncore_cxlcm_constraints[] = {
+ UNCORE_EVENT_CONSTRAINT_RANGE(0x1, 0x24, 0x0f),
+ UNCORE_EVENT_CONSTRAINT_RANGE(0x41, 0x41, 0xf0),
+ UNCORE_EVENT_CONSTRAINT_RANGE(0x50, 0x5e, 0xf0),
+ UNCORE_EVENT_CONSTRAINT_RANGE(0x60, 0x61, 0xf0),
+ EVENT_CONSTRAINT_END
+};
+
static struct intel_uncore_type dmr_uncore_cxlcm = {
.name = "cxlcm",
.event_mask = GENERIC_PMON_RAW_EVENT_MASK,
.event_mask_ext = DMR_CXLCM_EVENT_MASK_EXT,
+ .constraints = dmr_uncore_cxlcm_constraints,
.format_group = &dmr_cxlcm_uncore_format_group,
.attr_update = uncore_alias_groups,
};
@@ -6675,9 +6684,20 @@ static struct intel_uncore_type dmr_uncore_hamvf = {
.attr_update = uncore_alias_groups,
};
+static struct event_constraint dmr_uncore_cbo_constraints[] = {
+ UNCORE_EVENT_CONSTRAINT(0x11, 0x1),
+ UNCORE_EVENT_CONSTRAINT_RANGE(0x19, 0x1a, 0x1),
+ UNCORE_EVENT_CONSTRAINT(0x1f, 0x1),
+ UNCORE_EVENT_CONSTRAINT(0x21, 0x1),
+ UNCORE_EVENT_CONSTRAINT(0x25, 0x1),
+ UNCORE_EVENT_CONSTRAINT(0x36, 0x1),
+ EVENT_CONSTRAINT_END
+};
+
static struct intel_uncore_type dmr_uncore_cbo = {
.name = "cbo",
.event_mask_ext = DMR_HAMVF_EVENT_MASK_EXT,
+ .constraints = dmr_uncore_cbo_constraints,
.format_group = &dmr_sca_uncore_format_group,
.attr_update = uncore_alias_groups,
};
@@ -6711,9 +6731,16 @@ static struct intel_uncore_type dmr_uncore_dda = {
.attr_update = uncore_alias_groups,
};
+static struct event_constraint dmr_uncore_sbo_constraints[] = {
+ UNCORE_EVENT_CONSTRAINT(0x1f, 0x01),
+ UNCORE_EVENT_CONSTRAINT(0x25, 0x01),
+ EVENT_CONSTRAINT_END
+};
+
static struct intel_uncore_type dmr_uncore_sbo = {
.name = "sbo",
.event_mask_ext = DMR_HAMVF_EVENT_MASK_EXT,
+ .constraints = dmr_uncore_sbo_constraints,
.format_group = &dmr_sca_uncore_format_group,
.attr_update = uncore_alias_groups,
};
--
2.52.0