instrumentation/events/mainline/syscalls.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM raw_syscalls
   3 #define TRACE_INCLUDE_FILE syscalls
   4
   5 #if !defined(_TRACE_EVENTS_SYSCALLS_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_EVENTS_SYSCALLS_H
   7
   8 #include <linux/tracepoint.h>
   9
  10 #include <asm/ptrace.h>
  11 #include <asm/syscall.h>
  12
  13
  14 #ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
  15
  16 extern void syscall_regfunc(void);
  17 extern void syscall_unregfunc(void);
  18
  19 TRACE_EVENT_FN(sys_enter,
  20
  21         TP_PROTO(struct pt_regs *regs, long id),
  22
  23         TP_ARGS(regs, id),
  24
  25         TP_STRUCT__entry(
  26                 __field(        long,           id              )
  27                 __array(        unsigned long,  args,   6       )
  28         ),
  29
  30         TP_fast_assign(
  31                 __entry->id     = id;
  32                 syscall_get_arguments(current, regs, 0, 6, __entry->args);
  33         ),
  34
  35         TP_printk("NR %ld (%lx, %lx, %lx, %lx, %lx, %lx)",
  36                   __entry->id,
  37                   __entry->args[0], __entry->args[1], __entry->args[2],
  38                   __entry->args[3], __entry->args[4], __entry->args[5]),
  39
  40         syscall_regfunc, syscall_unregfunc
  41 );
  42
  43 TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)
  44
  45 TRACE_EVENT_FN(sys_exit,
  46
  47         TP_PROTO(struct pt_regs *regs, long ret),
  48
  49         TP_ARGS(regs, ret),
  50
  51         TP_STRUCT__entry(
  52                 __field(        long,   id      )
  53                 __field(        long,   ret     )
  54         ),
  55
  56         TP_fast_assign(
  57                 __entry->id     = syscall_get_nr(current, regs);
  58                 __entry->ret    = ret;
  59         ),
  60
  61         TP_printk("NR %ld = %ld",
  62                   __entry->id, __entry->ret),
  63
  64         syscall_regfunc, syscall_unregfunc
  65 );
  66
  67 TRACE_EVENT_FLAGS(sys_exit, TRACE_EVENT_FL_CAP_ANY)
  68
  69 #endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */
  70
  71 #endif /* _TRACE_EVENTS_SYSCALLS_H */
  72
  73 /* This part must be outside protection */
  74 #include <trace/define_trace.h>
  75