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#ifndef CLUSTERED_H
#define CLUSTERED_H
/* Which cache level should be used to group CPUs into clusters?
* GLOBAL_CLUSTER means that all CPUs form a single cluster (just like under
* global scheduling).
*/
enum cache_level {
GLOBAL_CLUSTER = 0,
L1_CLUSTER = 1,
L2_CLUSTER = 2,
L3_CLUSTER = 3
};
int parse_cache_level(const char *str, enum cache_level *level);
const char* cache_level_name(enum cache_level level);
/* expose a cache level in a /proc dir */
struct proc_dir_entry* create_cluster_file(struct proc_dir_entry* parent,
enum cache_level* level);
struct scheduling_cluster {
unsigned int id;
/* list of CPUs that are part of this cluster */
struct list_head cpus;
};
struct cluster_cpu {
unsigned int id; /* which CPU is this? */
struct list_head cluster_list; /* List of the CPUs in this cluster. */
struct scheduling_cluster* cluster; /* The cluster that this CPU belongs to. */
};
int get_cluster_size(enum cache_level level);
int assign_cpus_to_clusters(enum cache_level level,
struct scheduling_cluster* clusters[],
unsigned int num_clusters,
struct cluster_cpu* cpus[],
unsigned int num_cpus);
#endif
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