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authorJesper Dangaard Brouer <brouer@redhat.com>2018-05-24 16:46:17 +0200
committerAlexei Starovoitov <ast@kernel.org>2018-05-24 18:36:15 -0700
commite74de52e55c092e7113f839e74400ce9dbe12ceb (patch)
tree811913647e2becd8bfa53ea1a36bf4dc631aeb1d /include/trace
parent735fc4054b3a25034445c6713d259da0f96f8131 (diff)
downloadop-kernel-dev-e74de52e55c092e7113f839e74400ce9dbe12ceb.zip
op-kernel-dev-e74de52e55c092e7113f839e74400ce9dbe12ceb.tar.gz
xdp/trace: extend tracepoint in devmap with an err
Extending tracepoint xdp:xdp_devmap_xmit in devmap with an err code allow people to easier identify the reason behind the ndo_xdp_xmit call to a given driver is failing. Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/xdp.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/trace/events/xdp.h b/include/trace/events/xdp.h
index 2e9ef06..1ecf4c6 100644
--- a/include/trace/events/xdp.h
+++ b/include/trace/events/xdp.h
@@ -234,9 +234,9 @@ TRACE_EVENT(xdp_devmap_xmit,
TP_PROTO(const struct bpf_map *map, u32 map_index,
int sent, int drops,
const struct net_device *from_dev,
- const struct net_device *to_dev),
+ const struct net_device *to_dev, int err),
- TP_ARGS(map, map_index, sent, drops, from_dev, to_dev),
+ TP_ARGS(map, map_index, sent, drops, from_dev, to_dev, err),
TP_STRUCT__entry(
__field(int, map_id)
@@ -246,6 +246,7 @@ TRACE_EVENT(xdp_devmap_xmit,
__field(int, sent)
__field(int, from_ifindex)
__field(int, to_ifindex)
+ __field(int, err)
),
TP_fast_assign(
@@ -256,16 +257,17 @@ TRACE_EVENT(xdp_devmap_xmit,
__entry->sent = sent;
__entry->from_ifindex = from_dev->ifindex;
__entry->to_ifindex = to_dev->ifindex;
+ __entry->err = err;
),
TP_printk("ndo_xdp_xmit"
" map_id=%d map_index=%d action=%s"
" sent=%d drops=%d"
- " from_ifindex=%d to_ifindex=%d",
+ " from_ifindex=%d to_ifindex=%d err=%d",
__entry->map_id, __entry->map_index,
__print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
__entry->sent, __entry->drops,
- __entry->from_ifindex, __entry->to_ifindex)
+ __entry->from_ifindex, __entry->to_ifindex, __entry->err)
);
#endif /* _TRACE_XDP_H */
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