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KSTAT_IRQS_USR(9) | Internal Functions Provided | KSTAT_IRQS_USR(9) |
NAME¶
kstat_irqs_usr - Get the statistics for an interrupt
SYNOPSIS¶
unsigned int kstat_irqs_usr(unsigned int irq);
ARGUMENTS¶
irq
The interrupt number
DESCRIPTION¶
Returns the sum of interrupt counts on all cpus since boot for irq. Contrary to kstat_irqs this can be called from any preemptible context. It's protected against concurrent removal of an interrupt descriptor when sparse irqs are enabled.
AUTHORS¶
Thomas Gleixner <tglx@linutronix.de>
Author.
Ingo Molnar <mingo@elte.hu>
Author.
COPYRIGHT¶
January 2017 | Kernel Hackers Manual 4.8. |