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-rw-r--r--kernel/rcu/tree.c10
-rw-r--r--kernel/rcu/tree.h2
-rw-r--r--kernel/rcu/tree_stall.h4
3 files changed, 10 insertions, 6 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 4ed863219521..cefa831c8cb3 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -802,6 +802,10 @@ static int rcu_watching_snap_save(struct rcu_data *rdp)
return 0;
}
+#ifndef arch_irq_stat_cpu
+#define arch_irq_stat_cpu(cpu) 0
+#endif
+
/*
* Returns positive if the specified CPU has passed through a quiescent state
* by virtue of being in or having passed through an dynticks idle state since
@@ -937,9 +941,9 @@ static int rcu_watching_snap_recheck(struct rcu_data *rdp)
rsrp->cputime_irq = kcpustat_field(kcsp, CPUTIME_IRQ, cpu);
rsrp->cputime_softirq = kcpustat_field(kcsp, CPUTIME_SOFTIRQ, cpu);
rsrp->cputime_system = kcpustat_field(kcsp, CPUTIME_SYSTEM, cpu);
- rsrp->nr_hardirqs = kstat_cpu_irqs_sum(rdp->cpu);
- rsrp->nr_softirqs = kstat_cpu_softirqs_sum(rdp->cpu);
- rsrp->nr_csw = nr_context_switches_cpu(rdp->cpu);
+ rsrp->nr_hardirqs = kstat_cpu_irqs_sum(cpu) + arch_irq_stat_cpu(cpu);
+ rsrp->nr_softirqs = kstat_cpu_softirqs_sum(cpu);
+ rsrp->nr_csw = nr_context_switches_cpu(cpu);
rsrp->jiffies = jiffies;
rsrp->gp_seq = rdp->gp_seq;
}
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index a9a811d9d7a3..1bba2225e744 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -168,7 +168,7 @@ struct rcu_snap_record {
u64 cputime_irq; /* Accumulated cputime of hard irqs */
u64 cputime_softirq;/* Accumulated cputime of soft irqs */
u64 cputime_system; /* Accumulated cputime of kernel tasks */
- unsigned long nr_hardirqs; /* Accumulated number of hard irqs */
+ u64 nr_hardirqs; /* Accumulated number of hard irqs */
unsigned int nr_softirqs; /* Accumulated number of soft irqs */
unsigned long long nr_csw; /* Accumulated number of task switches */
unsigned long jiffies; /* Track jiffies value */
diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h
index 4432db6d0b99..4d524a2212a8 100644
--- a/kernel/rcu/tree_stall.h
+++ b/kernel/rcu/tree_stall.h
@@ -457,8 +457,8 @@ static void print_cpu_stat_info(int cpu)
rsr.cputime_system = kcpustat_field(kcsp, CPUTIME_SYSTEM, cpu);
pr_err("\t hardirqs softirqs csw/system\n");
- pr_err("\t number: %8ld %10d %12lld\n",
- kstat_cpu_irqs_sum(cpu) - rsrp->nr_hardirqs,
+ pr_err("\t number: %8lld %10d %12lld\n",
+ kstat_cpu_irqs_sum(cpu) + arch_irq_stat_cpu(cpu) - rsrp->nr_hardirqs,
kstat_cpu_softirqs_sum(cpu) - rsrp->nr_softirqs,
nr_context_switches_cpu(cpu) - rsrp->nr_csw);
pr_err("\tcputime: %8lld %10lld %12lld ==> %d(ms)\n",