/
irqbalance.h
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/
irqbalance.h
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#ifndef __INCLUDE_GUARD_IRQBALANCE_H_
#define __INCLUDE_GUARD_IRQBALANCE_H_
#include "constants.h"
#include "cpumask.h"
#include <stdint.h>
#include <glib.h>
#include <glib-unix.h>
#include <syslog.h>
#include <limits.h>
#include "types.h"
#include "config.h"
#ifdef __aarch64__
#define AARCH64
#endif
#ifdef HAVE_NUMA_H
#include <numa.h>
#else
#define numa_available() -1
#endif
#ifdef HAVE_LIBSYSTEMD
#include <systemd/sd-journal.h>
#endif
#define NUMA_NO_NODE (-1)
extern char *classes[];
extern void parse_cpu_tree(void);
extern void clear_work_stats(void);
extern void parse_proc_interrupts(void);
extern GList* collect_full_irq_list();
extern void parse_proc_stat(void);
extern void set_interrupt_count(int number, uint64_t count);
extern void set_msi_interrupt_numa(int number);
extern GList *rebalance_irq_list;
void update_migration_status(void);
void dump_workloads(void);
void sort_irq_list(GList **list);
void calculate_placement(void);
void dump_tree(void);
void activate_mappings(void);
void clear_cpu_tree(void);
void free_cpu_topo(gpointer data);
/*===================NEW BALANCER FUNCTIONS============================*/
/*
* Master topo_obj type lists
*/
extern GList *numa_nodes;
extern GList *packages;
extern GList *cache_domains;
extern GList *cpus;
extern int numa_avail;
extern GList *cl_banned_irqs;
extern int debug_mode;
extern int journal_logging;
extern int one_shot_mode;
extern int need_rescan;
extern int need_rebuild;
extern unsigned long long cycle_count;
extern unsigned long power_thresh;
extern unsigned long deepest_cache;
extern char *polscript;
extern cpumask_t banned_cpus;
extern cpumask_t unbanned_cpus;
extern long HZ;
/*
* Numa node access routines
*/
extern void build_numa_node_list(void);
extern void free_numa_node_list(void);
extern void dump_numa_node_info(struct topo_obj *node, void *data);
extern void connect_cpu_mem_topo(struct topo_obj *p, void *data);
extern struct topo_obj *get_numa_node(int nodeid);
/*
* cpu core functions
*/
#define cpu_numa_node(cpu) ((cpu)->parent->numa_nodes)
extern struct topo_obj *find_cpu_core(int cpunr);
extern int get_cpu_count(void);
/*
* irq db functions
*/
extern void rebuild_irq_db(void);
extern void free_irq_db(void);
extern void add_cl_banned_irq(int irq);
extern void for_each_irq(GList *list, void (*cb)(struct irq_info *info, void *data), void *data);
extern struct irq_info *get_irq_info(int irq);
extern void migrate_irq(GList **from, GList **to, struct irq_info *info);
extern void free_cl_opts(void);
extern void add_cl_banned_module(char *modname);
#define irq_numa_node(irq) ((irq)->numa_node)
/*
* Generic object functions
*/
static inline void for_each_object(GList *list, void (*cb)(struct topo_obj *obj, void *data), void *data)
{
GList *entry, *next;
entry = g_list_first(list);
while (entry) {
next = g_list_next(entry);
cb(entry->data, data);
entry = next;
}
}
/*
* Logging functions
*/
#define TO_SYSLOG (1 << 0)
#define TO_CONSOLE (1 << 1)
#define TO_ALL (TO_SYSLOG | TO_CONSOLE)
extern const char * log_indent;
extern unsigned int log_mask;
#ifdef HAVE_LIBSYSTEMD
#define log(mask, lvl, fmt, args...) do { \
if (journal_logging) { \
sd_journal_print(lvl, fmt, ##args); \
if (log_mask & mask & TO_CONSOLE) \
printf(fmt, ##args); \
} else { \
if (log_mask & mask & TO_SYSLOG) \
syslog(lvl, fmt, ##args); \
if (log_mask & mask & TO_CONSOLE) \
printf(fmt, ##args); \
} \
}while(0)
#else /* ! HAVE_LIBSYSTEMD */
#define log(mask, lvl, fmt, args...) do { \
if (journal_logging) { \
printf("<%d>", lvl); \
printf(fmt, ##args); \
} else { \
if (log_mask & mask & TO_SYSLOG) \
syslog(lvl, fmt, ##args); \
if (log_mask & mask & TO_CONSOLE) \
printf(fmt, ##args); \
} \
}while(0)
#endif /* HAVE_LIBSYSTEMD */
#define SOCKET_PATH "irqbalance"
#define SOCKET_TMPFS "/run/irqbalance/"
extern int process_one_line(char *path, void (*cb)(char *line, void *data), void *data);
extern void get_mask_from_bitmap(char *line, void *mask);
extern void get_int(char *line, void *data);
extern void get_hex(char *line, void *data);
#endif /* __INCLUDE_GUARD_IRQBALANCE_H_ */