Like other platforms, count the number of IPI function calls and show it in /proc/interrupts. Signed-off-by: Helge Deller <deller@xxxxxx> diff --git a/arch/parisc/include/asm/hardirq.h b/arch/parisc/include/asm/hardirq.h index 1a1235a9d533..7f7039516e53 100644 --- a/arch/parisc/include/asm/hardirq.h +++ b/arch/parisc/include/asm/hardirq.h @@ -22,6 +22,7 @@ typedef struct { unsigned int irq_stack_usage; #ifdef CONFIG_SMP unsigned int irq_resched_count; + unsigned int irq_call_count; #endif unsigned int irq_unaligned_count; unsigned int irq_fpassist_count; diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 0ca254085a66..e24a790815a5 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -179,6 +180,10 @@ int arch_show_interrupts(struct seq_file *p, int prec) for_each_online_cpu(j) seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count); seq_puts(p, " Rescheduling interrupts\n"); + seq_printf(p, "%*s: ", prec, "CAL"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_call_count); + seq_puts(p, " Function call interrupts\n"); #endif seq_printf(p, "%*s: ", prec, "UAH"); for_each_online_cpu(j) diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 5e26dbede5fc..d9e2d69c9e48 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -155,6 +155,7 @@ ipi_interrupt(int irq, void *dev_id) case IPI_CALL_FUNC: smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC\n", this_cpu); + inc_irq_stat(irq_call_count); generic_smp_call_function_interrupt(); break;