Commit 64015853 authored by John Fastabend's avatar John Fastabend Committed by David S. Miller

net: sched: restrict use of qstats qlen

This removes the use of qstats->qlen variable from the classifiers
and makes it an explicit argument to gnet_stats_copy_queue().

The qlen represents the qdisc queue length and is packed into
the qstats at the last moment before passnig to user space. By
handling it explicitely we avoid, in the percpu stats case, having
to figure out which per_cpu variable to put it in.

It would probably be best to remove it from qstats completely
but qstats is a user space ABI and can't be broken. A future
patch could make an internal only qstats structure that would
avoid having to allocate an additional u32 variable on the
Qdisc struct. This would make the qstats struct 128bits instead
of 128+32.
Signed-off-by: default avatarJohn Fastabend <john.r.fastabend@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 25331d6c
...@@ -40,7 +40,8 @@ void __gnet_stats_copy_basic(struct gnet_stats_basic_packed *bstats, ...@@ -40,7 +40,8 @@ void __gnet_stats_copy_basic(struct gnet_stats_basic_packed *bstats,
int gnet_stats_copy_rate_est(struct gnet_dump *d, int gnet_stats_copy_rate_est(struct gnet_dump *d,
const struct gnet_stats_basic_packed *b, const struct gnet_stats_basic_packed *b,
struct gnet_stats_rate_est64 *r); struct gnet_stats_rate_est64 *r);
int gnet_stats_copy_queue(struct gnet_dump *d, struct gnet_stats_queue *q); int gnet_stats_copy_queue(struct gnet_dump *d,
struct gnet_stats_queue *q, __u32 len);
int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len); int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
int gnet_stats_finish_copy(struct gnet_dump *d); int gnet_stats_finish_copy(struct gnet_dump *d);
......
...@@ -219,6 +219,7 @@ EXPORT_SYMBOL(gnet_stats_copy_rate_est); ...@@ -219,6 +219,7 @@ EXPORT_SYMBOL(gnet_stats_copy_rate_est);
* gnet_stats_copy_queue - copy queue statistics into statistics TLV * gnet_stats_copy_queue - copy queue statistics into statistics TLV
* @d: dumping handle * @d: dumping handle
* @q: queue statistics * @q: queue statistics
* @qlen: queue length statistics
* *
* Appends the queue statistics to the top level TLV created by * Appends the queue statistics to the top level TLV created by
* gnet_stats_start_copy(). * gnet_stats_start_copy().
...@@ -227,8 +228,11 @@ EXPORT_SYMBOL(gnet_stats_copy_rate_est); ...@@ -227,8 +228,11 @@ EXPORT_SYMBOL(gnet_stats_copy_rate_est);
* if the room in the socket buffer was not sufficient. * if the room in the socket buffer was not sufficient.
*/ */
int int
gnet_stats_copy_queue(struct gnet_dump *d, struct gnet_stats_queue *q) gnet_stats_copy_queue(struct gnet_dump *d,
struct gnet_stats_queue *q, __u32 qlen)
{ {
q->qlen = qlen;
if (d->compat_tc_stats) { if (d->compat_tc_stats) {
d->tc_stats.drops = q->drops; d->tc_stats.drops = q->drops;
d->tc_stats.qlen = q->qlen; d->tc_stats.qlen = q->qlen;
......
...@@ -623,7 +623,9 @@ int tcf_action_copy_stats(struct sk_buff *skb, struct tc_action *a, ...@@ -623,7 +623,9 @@ int tcf_action_copy_stats(struct sk_buff *skb, struct tc_action *a,
if (gnet_stats_copy_basic(&d, NULL, &p->tcfc_bstats) < 0 || if (gnet_stats_copy_basic(&d, NULL, &p->tcfc_bstats) < 0 ||
gnet_stats_copy_rate_est(&d, &p->tcfc_bstats, gnet_stats_copy_rate_est(&d, &p->tcfc_bstats,
&p->tcfc_rate_est) < 0 || &p->tcfc_rate_est) < 0 ||
gnet_stats_copy_queue(&d, &p->tcfc_qstats) < 0) gnet_stats_copy_queue(&d,
&p->tcfc_qstats,
p->tcfc_qstats.qlen) < 0)
goto errout; goto errout;
if (gnet_stats_finish_copy(&d) < 0) if (gnet_stats_finish_copy(&d) < 0)
......
...@@ -1318,6 +1318,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid, ...@@ -1318,6 +1318,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
unsigned char *b = skb_tail_pointer(skb); unsigned char *b = skb_tail_pointer(skb);
struct gnet_dump d; struct gnet_dump d;
struct qdisc_size_table *stab; struct qdisc_size_table *stab;
__u32 qlen;
cond_resched(); cond_resched();
nlh = nlmsg_put(skb, portid, seq, event, sizeof(*tcm), flags); nlh = nlmsg_put(skb, portid, seq, event, sizeof(*tcm), flags);
...@@ -1335,7 +1336,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid, ...@@ -1335,7 +1336,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
goto nla_put_failure; goto nla_put_failure;
if (q->ops->dump && q->ops->dump(q, skb) < 0) if (q->ops->dump && q->ops->dump(q, skb) < 0)
goto nla_put_failure; goto nla_put_failure;
q->qstats.qlen = q->q.qlen; qlen = q->q.qlen;
stab = rtnl_dereference(q->stab); stab = rtnl_dereference(q->stab);
if (stab && qdisc_dump_stab(skb, stab) < 0) if (stab && qdisc_dump_stab(skb, stab) < 0)
...@@ -1353,7 +1354,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid, ...@@ -1353,7 +1354,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
if (gnet_stats_copy_basic(&d, cpu_bstats, &q->bstats) < 0 || 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_rate_est(&d, &q->bstats, &q->rate_est) < 0 ||
gnet_stats_copy_queue(&d, &q->qstats) < 0) gnet_stats_copy_queue(&d, &q->qstats, qlen) < 0)
goto nla_put_failure; goto nla_put_failure;
if (gnet_stats_finish_copy(&d) < 0) if (gnet_stats_finish_copy(&d) < 0)
......
...@@ -637,10 +637,8 @@ atm_tc_dump_class_stats(struct Qdisc *sch, unsigned long arg, ...@@ -637,10 +637,8 @@ atm_tc_dump_class_stats(struct Qdisc *sch, unsigned long arg,
{ {
struct atm_flow_data *flow = (struct atm_flow_data *)arg; struct atm_flow_data *flow = (struct atm_flow_data *)arg;
flow->qstats.qlen = flow->q->q.qlen;
if (gnet_stats_copy_basic(d, NULL, &flow->bstats) < 0 || if (gnet_stats_copy_basic(d, NULL, &flow->bstats) < 0 ||
gnet_stats_copy_queue(d, &flow->qstats) < 0) gnet_stats_copy_queue(d, &flow->qstats, flow->q->q.qlen) < 0)
return -1; return -1;
return 0; return 0;
......
...@@ -1594,7 +1594,6 @@ cbq_dump_class_stats(struct Qdisc *sch, unsigned long arg, ...@@ -1594,7 +1594,6 @@ cbq_dump_class_stats(struct Qdisc *sch, unsigned long arg,
struct cbq_sched_data *q = qdisc_priv(sch); struct cbq_sched_data *q = qdisc_priv(sch);
struct cbq_class *cl = (struct cbq_class *)arg; struct cbq_class *cl = (struct cbq_class *)arg;
cl->qstats.qlen = cl->q->q.qlen;
cl->xstats.avgidle = cl->avgidle; cl->xstats.avgidle = cl->avgidle;
cl->xstats.undertime = 0; cl->xstats.undertime = 0;
...@@ -1603,7 +1602,7 @@ cbq_dump_class_stats(struct Qdisc *sch, unsigned long arg, ...@@ -1603,7 +1602,7 @@ cbq_dump_class_stats(struct Qdisc *sch, unsigned long arg,
if (gnet_stats_copy_basic(d, NULL, &cl->bstats) < 0 || if (gnet_stats_copy_basic(d, NULL, &cl->bstats) < 0 ||
gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 || gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 ||
gnet_stats_copy_queue(d, &cl->qstats) < 0) gnet_stats_copy_queue(d, &cl->qstats, cl->q->q.qlen) < 0)
return -1; return -1;
return gnet_stats_copy_app(d, &cl->xstats, sizeof(cl->xstats)); return gnet_stats_copy_app(d, &cl->xstats, sizeof(cl->xstats));
......
...@@ -275,17 +275,16 @@ static int drr_dump_class_stats(struct Qdisc *sch, unsigned long arg, ...@@ -275,17 +275,16 @@ static int drr_dump_class_stats(struct Qdisc *sch, unsigned long arg,
struct gnet_dump *d) struct gnet_dump *d)
{ {
struct drr_class *cl = (struct drr_class *)arg; struct drr_class *cl = (struct drr_class *)arg;
__u32 qlen = cl->qdisc->q.qlen;
struct tc_drr_stats xstats; struct tc_drr_stats xstats;
memset(&xstats, 0, sizeof(xstats)); memset(&xstats, 0, sizeof(xstats));
if (cl->qdisc->q.qlen) { if (qlen)
xstats.deficit = cl->deficit; xstats.deficit = cl->deficit;
cl->qdisc->qstats.qlen = cl->qdisc->q.qlen;
}
if (gnet_stats_copy_basic(d, NULL, &cl->bstats) < 0 || if (gnet_stats_copy_basic(d, NULL, &cl->bstats) < 0 ||
gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 || gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 ||
gnet_stats_copy_queue(d, &cl->qdisc->qstats) < 0) gnet_stats_copy_queue(d, &cl->qdisc->qstats, qlen) < 0)
return -1; return -1;
return gnet_stats_copy_app(d, &xstats, sizeof(xstats)); return gnet_stats_copy_app(d, &xstats, sizeof(xstats));
......
...@@ -550,7 +550,7 @@ static int fq_codel_dump_class_stats(struct Qdisc *sch, unsigned long cl, ...@@ -550,7 +550,7 @@ static int fq_codel_dump_class_stats(struct Qdisc *sch, unsigned long cl,
qs.backlog = q->backlogs[idx]; qs.backlog = q->backlogs[idx];
qs.drops = flow->dropped; qs.drops = flow->dropped;
} }
if (gnet_stats_copy_queue(d, &qs) < 0) if (gnet_stats_copy_queue(d, &qs, 0) < 0)
return -1; return -1;
if (idx < q->flows_cnt) if (idx < q->flows_cnt)
return gnet_stats_copy_app(d, &xstats, sizeof(xstats)); return gnet_stats_copy_app(d, &xstats, sizeof(xstats));
......
...@@ -1370,7 +1370,6 @@ hfsc_dump_class_stats(struct Qdisc *sch, unsigned long arg, ...@@ -1370,7 +1370,6 @@ hfsc_dump_class_stats(struct Qdisc *sch, unsigned long arg,
struct hfsc_class *cl = (struct hfsc_class *)arg; struct hfsc_class *cl = (struct hfsc_class *)arg;
struct tc_hfsc_stats xstats; struct tc_hfsc_stats xstats;
cl->qstats.qlen = cl->qdisc->q.qlen;
cl->qstats.backlog = cl->qdisc->qstats.backlog; cl->qstats.backlog = cl->qdisc->qstats.backlog;
xstats.level = cl->level; xstats.level = cl->level;
xstats.period = cl->cl_vtperiod; xstats.period = cl->cl_vtperiod;
...@@ -1379,7 +1378,7 @@ hfsc_dump_class_stats(struct Qdisc *sch, unsigned long arg, ...@@ -1379,7 +1378,7 @@ hfsc_dump_class_stats(struct Qdisc *sch, unsigned long arg,
if (gnet_stats_copy_basic(d, NULL, &cl->bstats) < 0 || if (gnet_stats_copy_basic(d, NULL, &cl->bstats) < 0 ||
gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 || gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 ||
gnet_stats_copy_queue(d, &cl->qstats) < 0) gnet_stats_copy_queue(d, &cl->qstats, cl->qdisc->q.qlen) < 0)
return -1; return -1;
return gnet_stats_copy_app(d, &xstats, sizeof(xstats)); return gnet_stats_copy_app(d, &xstats, sizeof(xstats));
......
...@@ -1138,15 +1138,16 @@ static int ...@@ -1138,15 +1138,16 @@ static int
htb_dump_class_stats(struct Qdisc *sch, unsigned long arg, struct gnet_dump *d) htb_dump_class_stats(struct Qdisc *sch, unsigned long arg, struct gnet_dump *d)
{ {
struct htb_class *cl = (struct htb_class *)arg; struct htb_class *cl = (struct htb_class *)arg;
__u32 qlen = 0;
if (!cl->level && cl->un.leaf.q) if (!cl->level && cl->un.leaf.q)
cl->qstats.qlen = cl->un.leaf.q->q.qlen; qlen = cl->un.leaf.q->q.qlen;
cl->xstats.tokens = PSCHED_NS2TICKS(cl->tokens); cl->xstats.tokens = PSCHED_NS2TICKS(cl->tokens);
cl->xstats.ctokens = PSCHED_NS2TICKS(cl->ctokens); cl->xstats.ctokens = PSCHED_NS2TICKS(cl->ctokens);
if (gnet_stats_copy_basic(d, NULL, &cl->bstats) < 0 || if (gnet_stats_copy_basic(d, NULL, &cl->bstats) < 0 ||
gnet_stats_copy_rate_est(d, NULL, &cl->rate_est) < 0 || gnet_stats_copy_rate_est(d, NULL, &cl->rate_est) < 0 ||
gnet_stats_copy_queue(d, &cl->qstats) < 0) gnet_stats_copy_queue(d, &cl->qstats, qlen) < 0)
return -1; return -1;
return gnet_stats_copy_app(d, &cl->xstats, sizeof(cl->xstats)); return gnet_stats_copy_app(d, &cl->xstats, sizeof(cl->xstats));
......
...@@ -112,7 +112,6 @@ static int mq_dump(struct Qdisc *sch, struct sk_buff *skb) ...@@ -112,7 +112,6 @@ static int mq_dump(struct Qdisc *sch, struct sk_buff *skb)
sch->q.qlen += qdisc->q.qlen; sch->q.qlen += qdisc->q.qlen;
sch->bstats.bytes += qdisc->bstats.bytes; sch->bstats.bytes += qdisc->bstats.bytes;
sch->bstats.packets += qdisc->bstats.packets; sch->bstats.packets += qdisc->bstats.packets;
sch->qstats.qlen += qdisc->qstats.qlen;
sch->qstats.backlog += qdisc->qstats.backlog; sch->qstats.backlog += qdisc->qstats.backlog;
sch->qstats.drops += qdisc->qstats.drops; sch->qstats.drops += qdisc->qstats.drops;
sch->qstats.requeues += qdisc->qstats.requeues; sch->qstats.requeues += qdisc->qstats.requeues;
...@@ -200,9 +199,8 @@ static int mq_dump_class_stats(struct Qdisc *sch, unsigned long cl, ...@@ -200,9 +199,8 @@ static int mq_dump_class_stats(struct Qdisc *sch, unsigned long cl,
struct netdev_queue *dev_queue = mq_queue_get(sch, cl); struct netdev_queue *dev_queue = mq_queue_get(sch, cl);
sch = dev_queue->qdisc_sleeping; sch = dev_queue->qdisc_sleeping;
sch->qstats.qlen = sch->q.qlen;
if (gnet_stats_copy_basic(d, NULL, &sch->bstats) < 0 || if (gnet_stats_copy_basic(d, NULL, &sch->bstats) < 0 ||
gnet_stats_copy_queue(d, &sch->qstats) < 0) gnet_stats_copy_queue(d, &sch->qstats, sch->q.qlen) < 0)
return -1; return -1;
return 0; return 0;
} }
......
...@@ -236,7 +236,6 @@ static int mqprio_dump(struct Qdisc *sch, struct sk_buff *skb) ...@@ -236,7 +236,6 @@ static int mqprio_dump(struct Qdisc *sch, struct sk_buff *skb)
sch->q.qlen += qdisc->q.qlen; sch->q.qlen += qdisc->q.qlen;
sch->bstats.bytes += qdisc->bstats.bytes; sch->bstats.bytes += qdisc->bstats.bytes;
sch->bstats.packets += qdisc->bstats.packets; sch->bstats.packets += qdisc->bstats.packets;
sch->qstats.qlen += qdisc->qstats.qlen;
sch->qstats.backlog += qdisc->qstats.backlog; sch->qstats.backlog += qdisc->qstats.backlog;
sch->qstats.drops += qdisc->qstats.drops; sch->qstats.drops += qdisc->qstats.drops;
sch->qstats.requeues += qdisc->qstats.requeues; sch->qstats.requeues += qdisc->qstats.requeues;
...@@ -327,6 +326,7 @@ static int mqprio_dump_class_stats(struct Qdisc *sch, unsigned long cl, ...@@ -327,6 +326,7 @@ static int mqprio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
if (cl <= netdev_get_num_tc(dev)) { if (cl <= netdev_get_num_tc(dev)) {
int i; int i;
__u32 qlen = 0;
struct Qdisc *qdisc; struct Qdisc *qdisc;
struct gnet_stats_queue qstats = {0}; struct gnet_stats_queue qstats = {0};
struct gnet_stats_basic_packed bstats = {0}; struct gnet_stats_basic_packed bstats = {0};
...@@ -344,9 +344,9 @@ static int mqprio_dump_class_stats(struct Qdisc *sch, unsigned long cl, ...@@ -344,9 +344,9 @@ static int mqprio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
qdisc = rtnl_dereference(q->qdisc); qdisc = rtnl_dereference(q->qdisc);
spin_lock_bh(qdisc_lock(qdisc)); spin_lock_bh(qdisc_lock(qdisc));
qlen += qdisc->q.qlen;
bstats.bytes += qdisc->bstats.bytes; bstats.bytes += qdisc->bstats.bytes;
bstats.packets += qdisc->bstats.packets; bstats.packets += qdisc->bstats.packets;
qstats.qlen += qdisc->qstats.qlen;
qstats.backlog += qdisc->qstats.backlog; qstats.backlog += qdisc->qstats.backlog;
qstats.drops += qdisc->qstats.drops; qstats.drops += qdisc->qstats.drops;
qstats.requeues += qdisc->qstats.requeues; qstats.requeues += qdisc->qstats.requeues;
...@@ -356,15 +356,14 @@ static int mqprio_dump_class_stats(struct Qdisc *sch, unsigned long cl, ...@@ -356,15 +356,14 @@ static int mqprio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
/* Reclaim root sleeping lock before completing stats */ /* Reclaim root sleeping lock before completing stats */
spin_lock_bh(d->lock); spin_lock_bh(d->lock);
if (gnet_stats_copy_basic(d, NULL, &bstats) < 0 || if (gnet_stats_copy_basic(d, NULL, &bstats) < 0 ||
gnet_stats_copy_queue(d, &qstats) < 0) gnet_stats_copy_queue(d, &qstats, qlen) < 0)
return -1; return -1;
} else { } else {
struct netdev_queue *dev_queue = mqprio_queue_get(sch, cl); struct netdev_queue *dev_queue = mqprio_queue_get(sch, cl);
sch = dev_queue->qdisc_sleeping; sch = dev_queue->qdisc_sleeping;
sch->qstats.qlen = sch->q.qlen;
if (gnet_stats_copy_basic(d, NULL, &sch->bstats) < 0 || if (gnet_stats_copy_basic(d, NULL, &sch->bstats) < 0 ||
gnet_stats_copy_queue(d, &sch->qstats) < 0) gnet_stats_copy_queue(d, &sch->qstats, sch->q.qlen) < 0)
return -1; return -1;
} }
return 0; return 0;
......
...@@ -360,9 +360,8 @@ static int multiq_dump_class_stats(struct Qdisc *sch, unsigned long cl, ...@@ -360,9 +360,8 @@ static int multiq_dump_class_stats(struct Qdisc *sch, unsigned long cl,
struct Qdisc *cl_q; struct Qdisc *cl_q;
cl_q = q->queues[cl - 1]; cl_q = q->queues[cl - 1];
cl_q->qstats.qlen = cl_q->q.qlen;
if (gnet_stats_copy_basic(d, NULL, &cl_q->bstats) < 0 || if (gnet_stats_copy_basic(d, NULL, &cl_q->bstats) < 0 ||
gnet_stats_copy_queue(d, &cl_q->qstats) < 0) gnet_stats_copy_queue(d, &cl_q->qstats, cl_q->q.qlen) < 0)
return -1; return -1;
return 0; return 0;
......
...@@ -324,9 +324,8 @@ static int prio_dump_class_stats(struct Qdisc *sch, unsigned long cl, ...@@ -324,9 +324,8 @@ static int prio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
struct Qdisc *cl_q; struct Qdisc *cl_q;
cl_q = q->queues[cl - 1]; cl_q = q->queues[cl - 1];
cl_q->qstats.qlen = cl_q->q.qlen;
if (gnet_stats_copy_basic(d, NULL, &cl_q->bstats) < 0 || if (gnet_stats_copy_basic(d, NULL, &cl_q->bstats) < 0 ||
gnet_stats_copy_queue(d, &cl_q->qstats) < 0) gnet_stats_copy_queue(d, &cl_q->qstats, cl_q->q.qlen) < 0)
return -1; return -1;
return 0; return 0;
......
...@@ -664,14 +664,13 @@ static int qfq_dump_class_stats(struct Qdisc *sch, unsigned long arg, ...@@ -664,14 +664,13 @@ static int qfq_dump_class_stats(struct Qdisc *sch, unsigned long arg,
struct tc_qfq_stats xstats; struct tc_qfq_stats xstats;
memset(&xstats, 0, sizeof(xstats)); memset(&xstats, 0, sizeof(xstats));
cl->qdisc->qstats.qlen = cl->qdisc->q.qlen;
xstats.weight = cl->agg->class_weight; xstats.weight = cl->agg->class_weight;
xstats.lmax = cl->agg->lmax; xstats.lmax = cl->agg->lmax;
if (gnet_stats_copy_basic(d, NULL, &cl->bstats) < 0 || if (gnet_stats_copy_basic(d, NULL, &cl->bstats) < 0 ||
gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 || gnet_stats_copy_rate_est(d, &cl->bstats, &cl->rate_est) < 0 ||
gnet_stats_copy_queue(d, &cl->qdisc->qstats) < 0) gnet_stats_copy_queue(d, &cl->qdisc->qstats, cl->qdisc->q.qlen) < 0)
return -1; return -1;
return gnet_stats_copy_app(d, &xstats, sizeof(xstats)); return gnet_stats_copy_app(d, &xstats, sizeof(xstats));
......
...@@ -871,7 +871,7 @@ static int sfq_dump_class_stats(struct Qdisc *sch, unsigned long cl, ...@@ -871,7 +871,7 @@ static int sfq_dump_class_stats(struct Qdisc *sch, unsigned long cl,
qs.qlen = slot->qlen; qs.qlen = slot->qlen;
qs.backlog = slot->backlog; qs.backlog = slot->backlog;
} }
if (gnet_stats_copy_queue(d, &qs) < 0) if (gnet_stats_copy_queue(d, &qs, qs.qlen) < 0)
return -1; return -1;
return gnet_stats_copy_app(d, &xstats, sizeof(xstats)); return gnet_stats_copy_app(d, &xstats, sizeof(xstats));
} }
......
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