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Topology

include/smp/topology.h View source View on GitHub

Structs

Section titled “Structs”

topology_contract

Section titled “topology_contract”
struct topology_contract {
    enum topology_level   scope;
    enum topology_caller  caller;
};

topology_cache_info

Section titled “topology_cache_info”
struct topology_cache_info {
    uint8_t   level;
    uint8_t   type;
    uint32_t  size_kb;
    uint32_t  line_size;
    uint32_t  cores_sharing;
};

topology_package_info

Section titled “topology_package_info”
struct topology_package_info {
    uint32_t         package_id;
    struct cpu_mask  cores;
};

topology_node

Section titled “topology_node”
struct topology_node {
    enum topology_level   level;
    uint64_t              id;
    uint64_t              parent;
    struct topology_node  *parent_node;
    int32_t               first_child;
    int32_t               nr_children;
    struct cpu_mask       cpus;
    struct cpu_mask       idle;
    struct cpu_mask       rt_sched_rq_active;
    struct core           *core;
    union {
        struct numa_node              *numa;
        struct topology_cache_info    *cache;
        struct topology_package_info  *package;
    } data;
};

topology

Section titled “topology”
struct topology {
    struct topology_node  *level[TOPOLOGY_LEVEL_MAX];
    uint16_t              count[TOPOLOGY_LEVEL_MAX];
};

Enums

Section titled “Enums”

topology_level

Section titled “topology_level”
enum topology_level {
    TOPOLOGY_LEVEL_SMT,
    TOPOLOGY_LEVEL_CORE,
    TOPOLOGY_LEVEL_NUMA,
    TOPOLOGY_LEVEL_LLC,
    TOPOLOGY_LEVEL_PACKAGE,
    TOPOLOGY_LEVEL_MACHINE,
    TOPOLOGY_LEVEL_MAX,
    TOPOLOGY_LEVEL_DOMAIN,
};

topology_caller

Section titled “topology_caller”
enum topology_caller {
    TOPC_NONE = 0,
    TOPC_IRQL = 1 << 0,
    TOPC_PINNED = 1 << 1,
    TOPC_IRQ = 1 << 2,
    TOPC_IFLAG = 1 << 3,
    TOPC_ANY = TOPC_IRQL | TOPC_PINNED | TOPC_IRQ | TOPC_IFLAG,
};

Functions

Section titled “Functions”

topology_mark_core_idle

Section titled “topology_mark_core_idle”
void topology_mark_core_idle(cpu_id_t cpu_id, bool idle);

topology_find_idle_core

Section titled “topology_find_idle_core”
struct core * topology_find_idle_core(struct core *local_core, enum topology_level max_search);

topology_get_smts_under_numa

Section titled “topology_get_smts_under_numa”
struct core * * topology_get_smts_under_numa(struct topology_node *numa, size_t *count);

topology_level_name

Section titled “topology_level_name”
const char * topology_level_name(enum topology_level l);

topology_contract_verify

Section titled “topology_contract_verify”
bool topology_contract_verify(struct topology_contract c);