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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c041cfa2af
Current irq_stat.timers_irqs counting doesn't discriminate timer event handler and other timer interrupt(like arch_irq_work_raise). Sometimes we need to know exactly how much interrupts timer event handler fired, so let's be more specific on this. Signed-off-by: Fan Du <fan.du@windriver.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
34 lines
820 B
C
34 lines
820 B
C
#ifndef _ASM_POWERPC_HARDIRQ_H
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#define _ASM_POWERPC_HARDIRQ_H
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#include <linux/threads.h>
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#include <linux/irq.h>
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typedef struct {
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unsigned int __softirq_pending;
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unsigned int timer_irqs_event;
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unsigned int timer_irqs_others;
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unsigned int pmu_irqs;
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unsigned int mce_exceptions;
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unsigned int spurious_irqs;
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#ifdef CONFIG_PPC_DOORBELL
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unsigned int doorbell_irqs;
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#endif
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} ____cacheline_aligned irq_cpustat_t;
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DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
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#define __ARCH_IRQ_STAT
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#define local_softirq_pending() __get_cpu_var(irq_stat).__softirq_pending
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static inline void ack_bad_irq(unsigned int irq)
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{
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printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq);
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}
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extern u64 arch_irq_stat_cpu(unsigned int cpu);
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#define arch_irq_stat_cpu arch_irq_stat_cpu
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#endif /* _ASM_POWERPC_HARDIRQ_H */
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