diff options
| author | John Fastabend <john.fastabend@gmail.com> | 2017-12-07 20:57:20 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-08 21:32:26 +0300 |
| commit | b01ac095c740fc21f4bb21abe900b0f5b3042cf9 (patch) | |
| tree | bd055fb59d32845be92e7c52f030778055b10c96 /include | |
| parent | 7e66016f2c65bfc1181f42274fcb7f1183ab1bb5 (diff) | |
| download | linux-b01ac095c740fc21f4bb21abe900b0f5b3042cf9.tar.xz | |
net: sched: add support for TCQ_F_NOLOCK subqueues to sch_mq
The sch_mq qdisc creates a sub-qdisc per tx queue which are then
called independently for enqueue and dequeue operations. However
statistics are aggregated and pushed up to the "master" qdisc.
This patch adds support for any of the sub-qdiscs to be per cpu
statistic qdiscs. To handle this case add a check when calculating
stats and aggregate the per cpu stats if needed.
Also exports __gnet_stats_copy_queue() to use as a helper function.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/gen_stats.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h index 304f7aa9cc01..0304ba2ae353 100644 --- a/include/net/gen_stats.h +++ b/include/net/gen_stats.h @@ -49,6 +49,9 @@ int gnet_stats_copy_rate_est(struct gnet_dump *d, int gnet_stats_copy_queue(struct gnet_dump *d, struct gnet_stats_queue __percpu *cpu_q, struct gnet_stats_queue *q, __u32 qlen); +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); int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len); int gnet_stats_finish_copy(struct gnet_dump *d); |