extern long perfmonctl(int fd, int cmd, void *arg, int narg);
+typedef struct {
+ void (*handler)(int irq, void *arg, struct pt_regs *regs);
+} pfm_intr_handler_desc_t;
+
extern void pfm_save_regs (struct task_struct *);
extern void pfm_load_regs (struct task_struct *);
extern void pfm_inherit(struct task_struct *task, struct pt_regs *regs);
extern void pfm_init_percpu(void);
extern void pfm_handle_work(void);
+extern int pfm_install_alt_pmu_interrupt(pfm_intr_handler_desc_t *h);
+extern int pfm_remove_alt_pmu_interrupt(pfm_intr_handler_desc_t *h);
+
+
/*
* Reset PMD register flags
#define PFM_CPUINFO_DCR_PP 0x2 /* if set the system wide session has started */
#define PFM_CPUINFO_EXCL_IDLE 0x4 /* the system wide session excludes the idle task */
+/*
+ * sysctl control structure. visible to sampling formats
+ */
+typedef struct {
+ int debug; /* turn on/off debugging via syslog */
+ int debug_ovfl; /* turn on/off debug printk in overflow handler */
+ int fastctxsw; /* turn on/off fast (unsecure) ctxsw */
+ int expert_mode; /* turn on/off value checking */
+} pfm_sysctl_t;
+extern pfm_sysctl_t pfm_sysctl;
+
+
#endif /* __KERNEL__ */
#endif /* _ASM_IA64_PERFMON_H */