b6da319b94
Currently the hintpolicy for irqbalance is a global setting, applied equally to all irqs. Thats undesireable however, as different devices may want to follow different policies. Track the hint policy in each irq_info struct instead. This still just follows the global policy, but paves the way to allow overriding through the policyscript option Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
149 lines
3.5 KiB
C
149 lines
3.5 KiB
C
#ifndef __INCLUDE_GUARD_IRQBALANCE_H_
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#define __INCLUDE_GUARD_IRQBALANCE_H_
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#include "constants.h"
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#include "cpumask.h"
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#include <stdint.h>
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#include <glib.h>
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#include <syslog.h>
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#include <limits.h>
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#include "types.h"
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#ifdef HAVE_NUMA_H
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#include <numa.h>
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#else
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#define numa_available() -1
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#endif
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extern int package_count;
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extern int cache_domain_count;
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extern int core_count;
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extern char *classes[];
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extern void parse_cpu_tree(void);
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extern void clear_work_stats(void);
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extern void parse_proc_interrupts(void);
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extern GList* collect_full_irq_list();
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extern void parse_proc_stat(void);
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extern void set_interrupt_count(int number, uint64_t count);
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extern void set_msi_interrupt_numa(int number);
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extern GList *rebalance_irq_list;
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void update_migration_status(void);
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void dump_workloads(void);
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void sort_irq_list(GList **list);
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void calculate_placement(void);
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void dump_tree(void);
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void activate_mappings(void);
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void clear_cpu_tree(void);
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/*===================NEW BALANCER FUNCTIONS============================*/
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/*
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* Master topo_obj type lists
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*/
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extern GList *numa_nodes;
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extern GList *packages;
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extern GList *cache_domains;
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extern GList *cpus;
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extern int numa_avail;
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enum hp_e {
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HINT_POLICY_IGNORE,
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HINT_POLICY_SUBSET,
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HINT_POLICY_EXACT
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};
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extern int debug_mode;
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extern int one_shot_mode;
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extern int need_rescan;
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extern enum hp_e global_hint_policy;
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extern unsigned long long cycle_count;
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extern unsigned long power_thresh;
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extern unsigned long deepest_cache;
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extern char *banscript;
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extern char *polscript;
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extern cpumask_t banned_cpus;
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extern cpumask_t unbanned_cpus;
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extern long HZ;
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/*
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* Numa node access routines
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*/
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extern void build_numa_node_list(void);
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extern void free_numa_node_list(void);
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extern void dump_numa_node_info(struct topo_obj *node, void *data);
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extern void add_package_to_node(struct topo_obj *p, int nodeid);
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extern struct topo_obj *get_numa_node(int nodeid);
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/*
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* Package functions
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*/
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#define package_numa_node(p) ((p)->parent)
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/*
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* cache_domain functions
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*/
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#define cache_domain_package(c) ((c)->parent)
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#define cache_domain_numa_node(c) (package_numa_node(cache_domain_package((c))))
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/*
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* cpu core functions
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*/
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#define cpu_cache_domain(cpu) ((cpu)->parent)
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#define cpu_package(cpu) (cache_domain_package(cpu_cache_domain((cpu))))
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#define cpu_numa_node(cpu) (package_numa_node(cache_domain_package(cpu_cache_domain((cpu)))))
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extern struct topo_obj *find_cpu_core(int cpunr);
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extern int get_cpu_count(void);
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/*
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* irq db functions
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*/
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extern void rebuild_irq_db(void);
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extern void free_irq_db(void);
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extern void add_cl_banned_irq(int irq);
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extern void for_each_irq(GList *list, void (*cb)(struct irq_info *info, void *data), void *data);
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extern struct irq_info *get_irq_info(int irq);
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extern void migrate_irq(GList **from, GList **to, struct irq_info *info);
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extern struct irq_info *add_new_irq(int irq, struct irq_info *hint);
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extern void force_rebalance_irq(struct irq_info *info, void *data);
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#define irq_numa_node(irq) ((irq)->numa_node)
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/*
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* Generic object functions
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*/
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static inline void for_each_object(GList *list, void (*cb)(struct topo_obj *obj, void *data), void *data)
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{
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GList *entry, *next;
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entry = g_list_first(list);
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while (entry) {
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next = g_list_next(entry);
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cb(entry->data, data);
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entry = next;
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}
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}
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/*
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* Logging functions
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*/
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#define TO_SYSLOG (1 << 0)
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#define TO_CONSOLE (1 << 1)
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#define TO_ALL (TO_SYSLOG | TO_CONSOLE)
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extern unsigned int log_mask;
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#define log(mask, lvl, fmt, args...) do {\
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if (log_mask & mask & TO_SYSLOG)\
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syslog(lvl, fmt, ##args);\
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if (log_mask & mask & TO_CONSOLE)\
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printf(fmt, ##args);\
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}while(0)
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#endif
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