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Subject[PATCH 05/10] perf/x86/intel/domain: Add new domain type for die
Date
From: Kan Liang <kan.liang@linux.intel.com>

Starts from CLX-AP, some uncore and RAPL counters are die scope.

Add a new domain type DIE_DOMAIN for die scope counters.

To distinguish different die among package, unique die id is used as
domain id.

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
---
arch/x86/events/domain.c | 11 +++++++++++
arch/x86/events/domain.h | 1 +
2 files changed, 12 insertions(+)

diff --git a/arch/x86/events/domain.c b/arch/x86/events/domain.c
index bd24c5b..1f572a5 100644
--- a/arch/x86/events/domain.c
+++ b/arch/x86/events/domain.c
@@ -17,6 +17,10 @@ int domain_type_init(struct domain_type *type)
case CORE_DOMAIN:
type->postfix = "core";
return 0;
+ case DIE_DOMAIN:
+ type->max_domains = topology_max_packages() * boot_cpu_data.x86_max_dies;
+ type->postfix = "die";
+ return 0;
default:
return -1;
}
@@ -31,6 +35,8 @@ const struct cpumask *get_domain_cpu_mask(int cpu, struct domain_type *type)
return topology_die_cpumask(cpu);
case CORE_DOMAIN:
return topology_sibling_cpumask(cpu);
+ case DIE_DOMAIN:
+ return topology_core_cpumask(cpu);
default:
return NULL;
}
@@ -47,6 +53,9 @@ int get_domain_id(unsigned int cpu, struct domain_type *type)
case PACKAGE_DOMAIN:
/* Domain id is the same as logical package id */
return topology_logical_package_id(cpu);
+ case DIE_DOMAIN:
+ /* Domain id is the same as logical unique die id */
+ return topology_unique_die_id(cpu);
default:
return -1;
}
@@ -63,6 +72,8 @@ int get_domain_id_from_group_id(int id, struct domain_type *type)
case PACKAGE_DOMAIN:
/* group id is physical pkg id*/
return topology_phys_to_logical_pkg(id);
+ case DIE_DOMAIN:
+ return id;
default:
return -1;
}
diff --git a/arch/x86/events/domain.h b/arch/x86/events/domain.h
index c787816..7815aea 100644
--- a/arch/x86/events/domain.h
+++ b/arch/x86/events/domain.h
@@ -9,6 +9,7 @@
enum domain_types {
PACKAGE_DOMAIN = 0,
CORE_DOMAIN,
+ DIE_DOMAIN,

DOMAIN_TYPE_MAX,
};
--
2.7.4
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