author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> 2021-10-16 10:49:03 +0200
committer: Minda Chen <minda.chen@starfivetech.com> 2023-11-06 19:24:40 +0800
commit: 73e946ff0f53652ece8bdd66135685d3121e5024
parent: fd016fe9b935d7547c89cd2b2b4c7f4ad54e9b67
Commit Summary:
Diffstat:
2 files changed, 32 insertions, 0 deletions
diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h
index 25740d004bdb..148f0ba85f25 100644
--- a/include/net/gen_stats.h
+++ b/include/net/gen_stats.h
@@ -62,6 +62,9 @@ int gnet_stats_copy_queue(struct gnet_dump *d,
void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats,
const struct gnet_stats_queue __percpu *cpu_q,
const struct gnet_stats_queue *q, __u32 qlen);
+void gnet_stats_add_queue(struct gnet_stats_queue *qstats,
+ const struct gnet_stats_queue __percpu *cpu_q,
+ const struct gnet_stats_queue *q);
int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
int gnet_stats_finish_copy(struct gnet_dump *d);
diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c
index 25d7c0989b83..26c020a7ead4 100644
--- a/net/core/gen_stats.c
+++ b/net/core/gen_stats.c
@@ -321,6 +321,38 @@ void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats,
}
EXPORT_SYMBOL(__gnet_stats_copy_queue);
+static void gnet_stats_add_queue_cpu(struct gnet_stats_queue *qstats,
+ const struct gnet_stats_queue __percpu *q)
+{
+ int i;
+
+ for_each_possible_cpu(i) {
+ const struct gnet_stats_queue *qcpu = per_cpu_ptr(q, i);
+
+ qstats->qlen += qcpu->backlog;
+ qstats->backlog += qcpu->backlog;
+ qstats->drops += qcpu->drops;
+ qstats->requeues += qcpu->requeues;
+ qstats->overlimits += qcpu->overlimits;
+ }
+}
+
+void gnet_stats_add_queue(struct gnet_stats_queue *qstats,
+ const struct gnet_stats_queue __percpu *cpu,
+ const struct gnet_stats_queue *q)
+{
+ if (cpu) {
+ gnet_stats_add_queue_cpu(qstats, cpu);
+ } else {
+ qstats->qlen += q->qlen;
+ qstats->backlog += q->backlog;
+ qstats->drops += q->drops;
+ qstats->requeues += q->requeues;
+ qstats->overlimits += q->overlimits;
+ }
+}
+EXPORT_SYMBOL(gnet_stats_add_queue);
+
/**
* gnet_stats_copy_queue - copy queue statistics into statistics TLV
* @d: dumping handle