177 lines
4.6 KiB
C
177 lines
4.6 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 <glib-unix.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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#include "config.h"
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#ifdef __aarch64__
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#define AARCH64
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#endif
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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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#ifdef HAVE_LIBSYSTEMD
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#include <systemd/sd-journal.h>
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#endif
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#define NUMA_NO_NODE (-1)
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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 void init_irq_class_and_type(char *savedline, struct irq_info *info, int irq);
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extern int proc_irq_hotplug(char *line, int irq, struct irq_info **pinfo);
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extern void clear_no_existing_irqs(void);
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extern GList *rebalance_irq_list;
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extern void force_rebalance_irq(struct irq_info *info, void *data __attribute__((unused)));
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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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void free_cpu_topo(gpointer data);
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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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extern GList *cl_banned_irqs;
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extern int debug_mode;
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extern int journal_logging;
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extern int one_shot_mode;
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extern int need_rescan;
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extern int need_rebuild;
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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 *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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extern unsigned long migrate_ratio;
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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 connect_cpu_mem_topo(struct topo_obj *p, void *data);
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extern struct topo_obj *get_numa_node(int nodeid);
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/*
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* cpu core functions
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*/
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#define cpu_numa_node(cpu) ((cpu)->parent->numa_nodes)
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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 void free_cl_opts(void);
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extern void add_cl_banned_module(char *modname);
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extern void add_banned_irq(int irq);
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extern void remove_one_irq_from_db(int irq);
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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 const char * log_indent;
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extern unsigned int log_mask;
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#ifdef HAVE_LIBSYSTEMD
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#define log(mask, lvl, fmt, args...) do { \
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if (journal_logging) { \
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sd_journal_print(lvl, fmt, ##args); \
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if (log_mask & mask & TO_CONSOLE) \
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printf(fmt, ##args); \
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} else { \
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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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} \
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}while(0)
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#else /* ! HAVE_LIBSYSTEMD */
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#define log(mask, lvl, fmt, args...) do { \
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if (journal_logging) { \
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printf("<%d>", lvl); \
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printf(fmt, ##args); \
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} else { \
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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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} \
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}while(0)
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#endif /* HAVE_LIBSYSTEMD */
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#define SOCKET_PATH "irqbalance"
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#define SOCKET_TMPFS "/run/irqbalance"
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extern int process_one_line(char *path, void (*cb)(char *line, void *data), void *data);
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extern void get_mask_from_bitmap(char *line, void *mask);
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extern void get_int(char *line, void *data);
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extern void get_hex(char *line, void *data);
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#endif /* __INCLUDE_GUARD_IRQBALANCE_H_ */
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