mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 12:16:56 +07:00
1c569f0264
This converts the syscall_enter/exit tracepoints into TRACE_EVENTs, so you can have generic ftrace events that capture all system calls with arguments and return values. These generic events are also renamed to sys_enter/exit, so they're more closely aligned to the specific sys_enter_foo events. Signed-off-by: Josh Stone <jistone@redhat.com> Cc: Jason Baron <jbaron@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Jiaying Zhang <jiayingz@google.com> Cc: Martin Bligh <mbligh@google.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> LKML-Reference: <1251150194-1713-5-git-send-email-jistone@redhat.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
71 lines
1.3 KiB
C
71 lines
1.3 KiB
C
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM 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_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
|
|
);
|
|
|
|
#endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */
|
|
|
|
#endif /* _TRACE_EVENTS_SYSCALLS_H */
|
|
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|
|
|