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b54992fe1b
The IPI and local timer interrupts weren't being properly accounted for in /proc/stat. Collect them from the irq_stat structure, and return their sum. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
#ifndef __ASM_HARDIRQ_H
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#define __ASM_HARDIRQ_H
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#include <linux/cache.h>
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#include <linux/threads.h>
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#include <asm/irq.h>
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#define NR_IPI 5
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typedef struct {
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unsigned int __softirq_pending;
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#ifdef CONFIG_LOCAL_TIMERS
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unsigned int local_timer_irqs;
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#endif
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#ifdef CONFIG_SMP
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unsigned int ipi_irqs[NR_IPI];
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#endif
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} ____cacheline_aligned irq_cpustat_t;
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#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
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#define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++
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#define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member)
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#ifdef CONFIG_SMP
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u64 smp_irq_stat_cpu(unsigned int cpu);
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#else
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#define smp_irq_stat_cpu(cpu) 0
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#endif
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#define arch_irq_stat_cpu smp_irq_stat_cpu
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#if NR_IRQS > 512
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#define HARDIRQ_BITS 10
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#elif NR_IRQS > 256
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#define HARDIRQ_BITS 9
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#else
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#define HARDIRQ_BITS 8
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#endif
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/*
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* The hardirq mask has to be large enough to have space
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* for potentially all IRQ sources in the system nesting
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* on a single CPU:
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*/
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#if (1 << HARDIRQ_BITS) < NR_IRQS
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# error HARDIRQ_BITS is too low!
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#endif
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#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
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#endif /* __ASM_HARDIRQ_H */
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