diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-11-15 14:46:46 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-12-20 15:08:01 +0000 |
| commit | b54992fe1b4bad7b7488d58b8696e4e8974fdab0 (patch) | |
| tree | 42c87b7a7f04627c841467ca65cf4e90f87ce2e2 /arch/arm/kernel/smp.c | |
| parent | 4a88abd7b48e8ec8084b1252d0f5ebdab43c2508 (diff) | |
ARM: SMP: collect IPI and local timer IRQs for /proc/stat
The IPI and local timer interrupts weren't being properly accounted
for in /proc/stat. Collect them from the irq_stat structure, and
return their sum.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/smp.c')
| -rw-r--r-- | arch/arm/kernel/smp.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index fa0c5f6e1587..1de3e13a42a1 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -406,6 +406,21 @@ void show_ipi_list(struct seq_file *p, int prec) } } +u64 smp_irq_stat_cpu(unsigned int cpu) +{ + u64 sum = 0; + int i; + + for (i = 0; i < NR_IPI; i++) + sum += __get_irq_stat(cpu, ipi_irqs[i]); + +#ifdef CONFIG_LOCAL_TIMERS + sum += __get_irq_stat(cpu, local_timer_irqs); +#endif + + return sum; +} + /* * Timer (local or broadcast) support */ |