| Message ID | 20221103123515.88-3-thunder.leizhen@huawei.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | rcu: Add RCU stall diagnosis information | expand |
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index 90e2fdc17d79ff8..898076e173a928a 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -67,6 +67,17 @@ static inline unsigned int kstat_softirqs_cpu(unsigned int irq, int cpu) return kstat_cpu(cpu).softirqs[irq]; } +static inline unsigned int kstat_cpu_softirqs_sum(int cpu) +{ + int i; + unsigned int sum = 0; + + for (i = 0; i < NR_SOFTIRQS; i++) + sum += kstat_softirqs_cpu(i, cpu); + + return sum; +} + /* * Number of interrupts per specific IRQ source, since bootup */
Similar to kstat_cpu_irqs_sum(), it counts the sum of all software interrupts on a specified CPU. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> --- include/linux/kernel_stat.h | 11 +++++++++++ 1 file changed, 11 insertions(+)