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kernel/linux-imx6_3.14.28/include/trace/events/syscalls.h 1.48 KB
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  #undef TRACE_SYSTEM
  #define TRACE_SYSTEM raw_syscalls
  #define TRACE_INCLUDE_FILE syscalls
  
  #if !defined(_TRACE_EVENTS_SYSCALLS_H) || defined(TRACE_HEADER_MULTI_READ)
  #define _TRACE_EVENTS_SYSCALLS_H
  
  #include <linux/tracepoint.h>
  
  #include <asm/ptrace.h>
  #include <asm/syscall.h>
  
  
  #ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
  
  extern void syscall_regfunc(void);
  extern void syscall_unregfunc(void);
  
  TRACE_EVENT_FN(sys_enter,
  
  	TP_PROTO(struct pt_regs *regs, long id),
  
  	TP_ARGS(regs, id),
  
  	TP_STRUCT__entry(
  		__field(	long,		id		)
  		__array(	unsigned long,	args,	6	)
  	),
  
  	TP_fast_assign(
  		__entry->id	= id;
  		syscall_get_arguments(current, regs, 0, 6, __entry->args);
  	),
  
  	TP_printk("NR %ld (%lx, %lx, %lx, %lx, %lx, %lx)",
  		  __entry->id,
  		  __entry->args[0], __entry->args[1], __entry->args[2],
  		  __entry->args[3], __entry->args[4], __entry->args[5]),
  
  	syscall_regfunc, syscall_unregfunc
  );
  
  TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)
  
  TRACE_EVENT_FN(sys_exit,
  
  	TP_PROTO(struct pt_regs *regs, long ret),
  
  	TP_ARGS(regs, ret),
  
  	TP_STRUCT__entry(
  		__field(	long,	id	)
  		__field(	long,	ret	)
  	),
  
  	TP_fast_assign(
  		__entry->id	= syscall_get_nr(current, regs);
  		__entry->ret	= ret;
  	),
  
  	TP_printk("NR %ld = %ld",
  		  __entry->id, __entry->ret),
  
  	syscall_regfunc, syscall_unregfunc
  );
  
  TRACE_EVENT_FLAGS(sys_exit, TRACE_EVENT_FL_CAP_ANY)
  
  #endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */
  
  #endif /* _TRACE_EVENTS_SYSCALLS_H */
  
  /* This part must be outside protection */
  #include <trace/define_trace.h>