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authorHelge Deller <deller@gmx.de>2019-01-05 20:07:27 +0100
committerHelge Deller <deller@gmx.de>2019-02-21 20:37:11 +0100
commitb102f29b2d8603f15071384e88125b8eab5f8faa (patch)
tree43c4365ce4f6849a2bcfdd4885b28714b4ba4047 /arch/parisc
parent237a97d61e9c2807071294496762ee25cdde2422 (diff)
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.h1
-rw-r--r--arch/parisc/kernel/irq.c4
-rw-r--r--arch/parisc/kernel/smp.c1
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;