kernel/include/trace/events/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 TRACE_EVENT_FN(sys_enter,
  17
  18         TP_PROTO(struct pt_regs *regs, long id),
  19
  20         TP_ARGS(regs, id),
  21
  22         TP_STRUCT__entry(
  23                 __field(        long,           id              )
  24                 __array(        unsigned long,  args,   6       )
  25         ),
  26
  27         TP_fast_assign(
  28                 __entry->id     = id;
  29                 syscall_get_arguments(current, regs, 0, 6, __entry->args);
  30         ),
  31
  32         TP_printk("NR %ld (%lx, %lx, %lx, %lx, %lx, %lx)",
  33                   __entry->id,
  34                   __entry->args[0], __entry->args[1], __entry->args[2],
  35                   __entry->args[3], __entry->args[4], __entry->args[5]),
  36
  37         syscall_regfunc, syscall_unregfunc
  38 );
  39
  40 TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)
  41
  42 TRACE_EVENT_FN(sys_exit,
  43
  44         TP_PROTO(struct pt_regs *regs, long ret),
  45
  46         TP_ARGS(regs, ret),
  47
  48         TP_STRUCT__entry(
  49                 __field(        long,   id      )
  50                 __field(        long,   ret     )
  51         ),
  52
  53         TP_fast_assign(
  54                 __entry->id     = syscall_get_nr(current, regs);
  55                 __entry->ret    = ret;
  56         ),
  57
  58         TP_printk("NR %ld = %ld",
  59                   __entry->id, __entry->ret),
  60
  61         syscall_regfunc, syscall_unregfunc
  62 );
  63
  64 TRACE_EVENT_FLAGS(sys_exit, TRACE_EVENT_FL_CAP_ANY)
  65
  66 #endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */
  67
  68 #endif /* _TRACE_EVENTS_SYSCALLS_H */
  69
  70 /* This part must be outside protection */
  71 #include <trace/define_trace.h>
  72