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-rw-r--r--kernel/sched/cputime.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 78a233d43757..95fc77853743 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -226,6 +226,21 @@ void account_idle_time(u64 cputime)
cpustat[CPUTIME_IDLE] += cputime;
}
+
+#ifdef CONFIG_SCHED_CORE
+/*
+ * Account for forceidle time due to core scheduling.
+ *
+ * REQUIRES: schedstat is enabled.
+ */
+void __account_forceidle_time(struct task_struct *p, u64 delta)
+{
+ __schedstat_add(p->stats.core_forceidle_sum, delta);
+
+ task_group_account_field(p, CPUTIME_FORCEIDLE, delta);
+}
+#endif
+
/*
* When a guest is interrupted for a longer amount of time, missed clock
* ticks are not redelivered later. Due to that, this function may on