6f26353ca2
While most users of the hcall tracepoints will only want the opcode and return code, some will want all the arguments. To avoid the complexity of using varargs we pass a pointer to the register save area, which contains all the arguments. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
133 lines
2.1 KiB
C
133 lines
2.1 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM powerpc
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#if !defined(_TRACE_POWERPC_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_POWERPC_H
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#include <linux/tracepoint.h>
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struct pt_regs;
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TRACE_EVENT(irq_entry,
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TP_PROTO(struct pt_regs *regs),
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TP_ARGS(regs),
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TP_STRUCT__entry(
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__field(struct pt_regs *, regs)
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),
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TP_fast_assign(
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__entry->regs = regs;
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),
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TP_printk("pt_regs=%p", __entry->regs)
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);
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TRACE_EVENT(irq_exit,
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TP_PROTO(struct pt_regs *regs),
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TP_ARGS(regs),
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TP_STRUCT__entry(
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__field(struct pt_regs *, regs)
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),
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TP_fast_assign(
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__entry->regs = regs;
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),
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TP_printk("pt_regs=%p", __entry->regs)
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);
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TRACE_EVENT(timer_interrupt_entry,
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TP_PROTO(struct pt_regs *regs),
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TP_ARGS(regs),
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TP_STRUCT__entry(
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__field(struct pt_regs *, regs)
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),
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TP_fast_assign(
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__entry->regs = regs;
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),
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TP_printk("pt_regs=%p", __entry->regs)
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);
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TRACE_EVENT(timer_interrupt_exit,
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TP_PROTO(struct pt_regs *regs),
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TP_ARGS(regs),
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TP_STRUCT__entry(
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__field(struct pt_regs *, regs)
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),
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TP_fast_assign(
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__entry->regs = regs;
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),
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TP_printk("pt_regs=%p", __entry->regs)
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);
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#ifdef CONFIG_PPC_PSERIES
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extern void hcall_tracepoint_regfunc(void);
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extern void hcall_tracepoint_unregfunc(void);
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TRACE_EVENT_FN(hcall_entry,
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TP_PROTO(unsigned long opcode, unsigned long *args),
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TP_ARGS(opcode, args),
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TP_STRUCT__entry(
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__field(unsigned long, opcode)
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),
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TP_fast_assign(
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__entry->opcode = opcode;
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),
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TP_printk("opcode=%lu", __entry->opcode),
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hcall_tracepoint_regfunc, hcall_tracepoint_unregfunc
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);
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TRACE_EVENT_FN(hcall_exit,
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TP_PROTO(unsigned long opcode, unsigned long retval,
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unsigned long *retbuf),
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TP_ARGS(opcode, retval, retbuf),
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TP_STRUCT__entry(
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__field(unsigned long, opcode)
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__field(unsigned long, retval)
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),
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TP_fast_assign(
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__entry->opcode = opcode;
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__entry->retval = retval;
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),
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TP_printk("opcode=%lu retval=%lu", __entry->opcode, __entry->retval),
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hcall_tracepoint_regfunc, hcall_tracepoint_unregfunc
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);
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#endif
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#endif /* _TRACE_POWERPC_H */
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#undef TRACE_INCLUDE_PATH
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_PATH asm
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#define TRACE_INCLUDE_FILE trace
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#include <trace/define_trace.h>
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