diff options
| author | Zhen Lei <thunder.leizhen@huawei.com> | 2022-11-19 17:25:04 +0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2023-01-05 12:19:56 -0800 |
| commit | 3ca0a6ea8f6de0f21a9331ff3596a9c073fbdab0 (patch) | |
| tree | 4600604c19a83647318f3cfcbf0d8c89e57c3e33 | |
| parent | 47904aed898a08f028572b9b5a5cc101ddfb2d82 (diff) | |
sched: Add helper kstat_cpu_softirqs_sum()
Add a kstat_cpu_softirqs_sum() function that is similar to
kstat_cpu_irqs_sum(), but which counts software interrupts since boot
on the specified CPU.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Cc: Josh Don <joshdon@google.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
| -rw-r--r-- | include/linux/kernel_stat.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index 90e2fdc17d79..898076e173a9 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 */ |