diff options
| author |   John Fastabend <john.fastabend@gmail.com> | 2014-09-28 11:54:24 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-09-30 01:02:26 -0400 |
| commit | b0ab6f92752b9f9d8da980506e9df3bd9dcd7ed3 (patch) | |
| tree | e8dc1bb9dc3bdce6a62b785b1828efded9f87205 /net/sched/sch_api.c | |
| parent | net: sched: restrict use of qstats qlen (diff) | |
| download | linux-dev-b0ab6f92752b9f9d8da980506e9df3bd9dcd7ed3.tar.xz linux-dev-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 '')
| -rw-r--r-- | net/sched/sch_api.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index ca00ea8e84dc..aa8329508dba 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -947,6 +947,10 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue, alloc_percpu(struct gnet_stats_basic_cpu); if (!sch->cpu_bstats) goto err_out4; + + sch->cpu_qstats = alloc_percpu(struct gnet_stats_queue); + if (!sch->cpu_qstats) + goto err_out4; } if (tca[TCA_STAB]) { @@ -995,6 +999,7 @@ err_out: err_out4: free_percpu(sch->cpu_bstats); + free_percpu(sch->cpu_qstats); /* * Any broken qdiscs that would require a ops->reset() here? * The qdisc was never in action so it shouldn't be necessary. @@ -1313,6 +1318,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid, u32 portid, u32 seq, u16 flags, int event) { struct gnet_stats_basic_cpu __percpu *cpu_bstats = NULL; + struct gnet_stats_queue __percpu *cpu_qstats = NULL; struct tcmsg *tcm; struct nlmsghdr *nlh; unsigned char *b = skb_tail_pointer(skb); @@ -1349,12 +1355,14 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid, if (q->ops->dump_stats && q->ops->dump_stats(q, &d) < 0) goto nla_put_failure; - if (qdisc_is_percpu_stats(q)) + if (qdisc_is_percpu_stats(q)) { cpu_bstats = q->cpu_bstats; + cpu_qstats = q->cpu_qstats; + } if (gnet_stats_copy_basic(&d, cpu_bstats, &q->bstats) < 0 || gnet_stats_copy_rate_est(&d, &q->bstats, &q->rate_est) < 0 || - gnet_stats_copy_queue(&d, &q->qstats, qlen) < 0) + gnet_stats_copy_queue(&d, cpu_qstats, &q->qstats, qlen) < 0) goto nla_put_failure; if (gnet_stats_finish_copy(&d) < 0) |