diff options
Diffstat (limited to 'include/linux/ftrace_event.h')
| -rw-r--r-- | include/linux/ftrace_event.h | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 2233c98..c0f4b36 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -5,6 +5,7 @@ #include <linux/trace_seq.h> #include <linux/percpu.h> #include <linux/hardirq.h> +#include <linux/perf_event.h> struct trace_array; struct tracer; @@ -121,9 +122,8 @@ struct ftrace_event_call { int (*regfunc)(struct ftrace_event_call *); void (*unregfunc)(struct ftrace_event_call *); int id; + const char *print_fmt; int (*raw_init)(struct ftrace_event_call *); - int (*show_format)(struct ftrace_event_call *, - struct trace_seq *); int (*define_fields)(struct ftrace_event_call *); struct list_head fields; int filter_active; @@ -131,15 +131,12 @@ struct ftrace_event_call { void *mod; void *data; - int profile_count; - int (*profile_enable)(struct ftrace_event_call *); - void (*profile_disable)(struct ftrace_event_call *); + int perf_refcount; + int (*perf_event_enable)(struct ftrace_event_call *); + void (*perf_event_disable)(struct ftrace_event_call *); }; -#define FTRACE_MAX_PROFILE_SIZE 2048 - -extern char *perf_trace_buf; -extern char *perf_trace_buf_nmi; +#define PERF_MAX_TRACE_SIZE 2048 #define MAX_FILTER_PRED 32 #define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */ @@ -188,13 +185,30 @@ do { \ __trace_printk(ip, fmt, ##args); \ } while (0) -#ifdef CONFIG_EVENT_PROFILE +#ifdef CONFIG_PERF_EVENTS struct perf_event; -extern int ftrace_profile_enable(int event_id); -extern void ftrace_profile_disable(int event_id); + +DECLARE_PER_CPU(struct pt_regs, perf_trace_regs); + +extern int perf_trace_enable(int event_id); +extern void perf_trace_disable(int event_id); extern int ftrace_profile_set_filter(struct perf_event *event, int event_id, char *filter_str); extern void ftrace_profile_free_filter(struct perf_event *event); +extern void * +perf_trace_buf_prepare(int size, unsigned short type, int *rctxp, + unsigned long *irq_flags); + +static inline void +perf_trace_buf_submit(void *raw_data, int size, int rctx, u64 addr, + u64 count, unsigned long irq_flags, struct pt_regs *regs) +{ + struct trace_entry *entry = raw_data; + + perf_tp_event(entry->type, addr, count, raw_data, size, regs); + perf_swevent_put_recursion_context(rctx); + local_irq_restore(irq_flags); +} #endif #endif /* _LINUX_FTRACE_EVENT_H */ |
