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-rw-r--r--kernel/sched.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 2a3c9799d76..8b718b59b09 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3686,6 +3686,14 @@ static void irqtime_account_process_tick(struct task_struct *p, int user_tick,
cpustat->irq = cputime64_add(cpustat->irq, tmp);
} else if (irqtime_account_si_update()) {
cpustat->softirq = cputime64_add(cpustat->softirq, tmp);
+ } else if (this_cpu_ksoftirqd() == p) {
+ /*
+ * ksoftirqd time do not get accounted in cpu_softirq_time.
+ * So, we have to handle it separately here.
+ * Also, p->stime needs to be updated for ksoftirqd.
+ */
+ __account_system_time(p, cputime_one_jiffy, one_jiffy_scaled,
+ &cpustat->softirq);
} else if (user_tick) {
account_user_time(p, cputime_one_jiffy, one_jiffy_scaled);
} else if (p == rq->idle) {