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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/include/trace/events/syscalls.h
10818 views
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#undef TRACE_SYSTEM

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#define TRACE_SYSTEM raw_syscalls

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#define TRACE_INCLUDE_FILE syscalls

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#if !defined(_TRACE_EVENTS_SYSCALLS_H) || defined(TRACE_HEADER_MULTI_READ)

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#define _TRACE_EVENTS_SYSCALLS_H

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#include <linux/tracepoint.h>

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#include <asm/ptrace.h>

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#include <asm/syscall.h>

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#ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS

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extern void syscall_regfunc(void);

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extern void syscall_unregfunc(void);

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TRACE_EVENT_FN(sys_enter,

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	TP_PROTO(struct pt_regs *regs, long id),

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	TP_ARGS(regs, id),

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	TP_STRUCT__entry(

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		__field(	long,		id		)

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		__array(	unsigned long,	args,	6	)

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	),

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	TP_fast_assign(

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		__entry->id	= id;

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		syscall_get_arguments(current, regs, 0, 6, __entry->args);

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	),

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	TP_printk("NR %ld (%lx, %lx, %lx, %lx, %lx, %lx)",

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		  __entry->id,

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		  __entry->args[0], __entry->args[1], __entry->args[2],

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		  __entry->args[3], __entry->args[4], __entry->args[5]),

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	syscall_regfunc, syscall_unregfunc

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);

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TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)

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TRACE_EVENT_FN(sys_exit,

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	TP_PROTO(struct pt_regs *regs, long ret),

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	TP_ARGS(regs, ret),

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	TP_STRUCT__entry(

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		__field(	long,	id	)

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		__field(	long,	ret	)

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	),

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	TP_fast_assign(

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		__entry->id	= syscall_get_nr(current, regs);

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		__entry->ret	= ret;

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	),

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	TP_printk("NR %ld = %ld",

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		  __entry->id, __entry->ret),

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	syscall_regfunc, syscall_unregfunc

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);

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TRACE_EVENT_FLAGS(sys_exit, TRACE_EVENT_FL_CAP_ANY)

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#endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */

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#endif /* _TRACE_EVENTS_SYSCALLS_H */

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/* This part must be outside protection */

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#include <trace/define_trace.h>

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