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powerpc: tracing: Avoid tracepoint duplication with DECLARE_EVENT_CLASS
irq_entry, irq_exit, timer_interrupt_entry and timer_interrupt_exit all do the same thing so use DECLARE_EVENT_CLASS to avoid duplicating everything 4 times. This saves quite a lot of space in both instruction text and data: text data bss dec hex filename 9265 19622 16 28903 70e7 arch/powerpc/kernel/irq.o 6817 19019 16 25852 64fc arch/powerpc/kernel/irq.o Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -8,7 +8,7 @@
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struct pt_regs;
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TRACE_EVENT(irq_entry,
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DECLARE_EVENT_CLASS(ppc64_interrupt_class,
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TP_PROTO(struct pt_regs *regs),
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@ -25,55 +25,32 @@ TRACE_EVENT(irq_entry,
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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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DEFINE_EVENT(ppc64_interrupt_class, 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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TP_ARGS(regs)
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);
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TRACE_EVENT(timer_interrupt_entry,
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DEFINE_EVENT(ppc64_interrupt_class, 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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TP_ARGS(regs)
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);
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TRACE_EVENT(timer_interrupt_exit,
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DEFINE_EVENT(ppc64_interrupt_class, 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_ARGS(regs)
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);
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TP_STRUCT__entry(
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__field(struct pt_regs *, regs)
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),
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DEFINE_EVENT(ppc64_interrupt_class, timer_interrupt_exit,
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TP_fast_assign(
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__entry->regs = regs;
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),
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TP_PROTO(struct pt_regs *regs),
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TP_printk("pt_regs=%p", __entry->regs)
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TP_ARGS(regs)
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);
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#ifdef CONFIG_PPC_PSERIES
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