241771ef01
Implement performance counters for x86 Intel CPUs. It's simplified right now: the PERFMON CPU feature is assumed, which is available in Core2 and later Intel CPUs. The design is flexible to be extended to more CPU types as well. Signed-off-by: Ingo Molnar <mingo@elte.hu>
29 lines
803 B
C
29 lines
803 B
C
#ifndef _ASM_X86_HARDIRQ_32_H
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#define _ASM_X86_HARDIRQ_32_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 long idle_timestamp;
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unsigned int __nmi_count; /* arch dependent */
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unsigned int apic_timer_irqs; /* arch dependent */
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unsigned int apic_perf_irqs; /* arch dependent */
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unsigned int irq0_irqs;
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unsigned int irq_resched_count;
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unsigned int irq_call_count;
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unsigned int irq_tlb_count;
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unsigned int irq_thermal_count;
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unsigned int irq_spurious_count;
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} ____cacheline_aligned irq_cpustat_t;
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DECLARE_PER_CPU(irq_cpustat_t, irq_stat);
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#define __ARCH_IRQ_STAT
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#define __IRQ_STAT(cpu, member) (per_cpu(irq_stat, cpu).member)
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void ack_bad_irq(unsigned int irq);
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#include <linux/irq_cpustat.h>
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#endif /* _ASM_X86_HARDIRQ_32_H */
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