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| author |   Helge Deller <deller@gmx.de> | 2019-01-05 20:07:27 +0100 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2019-02-21 20:37:11 +0100 |
| commit | b102f29b2d8603f15071384e88125b8eab5f8faa (patch) | |
| tree | 43c4365ce4f6849a2bcfdd4885b28714b4ba4047 /arch/parisc | |
| parent | parisc: Show rescheduling interrupts on SMP machines only (diff) | |
| download | linux-dev-b102f29b2d8603f15071384e88125b8eab5f8faa.tar.xz linux-dev-b102f29b2d8603f15071384e88125b8eab5f8faa.zip | |
parisc: Count IPI function call interrupts
Like other platforms, count the number of IPI function call interrupts
and show it in /proc/interrupts.
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/include/asm/hardirq.h | 1 | ||||
| -rw-r--r-- | arch/parisc/kernel/irq.c | 4 | ||||
| -rw-r--r-- | arch/parisc/kernel/smp.c | 1 |
3 files changed, 6 insertions, 0 deletions
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 a1369bb54cdb..6f19f364c20a 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -180,6 +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"); 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; |