diff options
| author | John Fastabend <john.fastabend@gmail.com> | 2014-09-28 20:54:24 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-30 07:02:26 +0200 |
| commit | b0ab6f92752b9f9d8da980506e9df3bd9dcd7ed3 (patch) | |
| tree | e8dc1bb9dc3bdce6a62b785b1828efded9f87205 /include/net | |
| parent | net: sched: restrict use of qstats qlen (diff) | |
| download | linux-b0ab6f92752b9f9d8da980506e9df3bd9dcd7ed3.tar.xz linux-b0ab6f92752b9f9d8da980506e9df3bd9dcd7ed3.zip | |
net: sched: enable per cpu qstats
After previous patches to simplify qstats the qstats can be
made per cpu with a packed union in Qdisc struct.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/gen_stats.h | 3 | ||||
| -rw-r--r-- | include/net/sch_generic.h | 12 |
2 files changed, 13 insertions, 2 deletions
diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h index de9b3dd5750e..cbafa3768d48 100644 --- a/include/net/gen_stats.h +++ b/include/net/gen_stats.h @@ -41,7 +41,8 @@ int gnet_stats_copy_rate_est(struct gnet_dump *d, const struct gnet_stats_basic_packed *b, struct gnet_stats_rate_est64 *r); int gnet_stats_copy_queue(struct gnet_dump *d, - struct gnet_stats_queue *q, __u32 len); + struct gnet_stats_queue __percpu *cpu_q, + struct gnet_stats_queue *q, __u32 qlen); 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/include/net/sch_generic.h b/include/net/sch_generic.h index 23a0f0fc83d8..f12669819d1a 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -90,7 +90,10 @@ struct Qdisc { struct gnet_stats_basic_cpu __percpu *cpu_bstats; } __packed; unsigned int __state; - struct gnet_stats_queue qstats; + union { + struct gnet_stats_queue qstats; + struct gnet_stats_queue __percpu *cpu_qstats; + } __packed; struct rcu_head rcu_head; int padded; atomic_t refcnt; @@ -543,6 +546,13 @@ static inline void qdisc_qstats_drop(struct Qdisc *sch) sch->qstats.drops++; } +static inline void qdisc_qstats_drop_cpu(struct Qdisc *sch) +{ + struct gnet_stats_queue *qstats = this_cpu_ptr(sch->cpu_qstats); + + qstats->drops++; +} + static inline void qdisc_qstats_overlimit(struct Qdisc *sch) { sch->qstats.overlimits++; |