kstat_irqs_usr (9) - Linux Man Pages
kstat_irqs_usr: Get the statistics for an interrupt
kstat_irqs_usr - Get the statistics for an interrupt
unsigned int kstat_irqs_usr(unsigned int
- The interrupt number
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.
Thomas Gleixner <tglx [at] linutronix.de>
Ingo Molnar <mingo [at] elte.hu>