Yajun Deng 5247dbf16c
net/core: Introduce netdev_core_stats_inc() ...
Although there is a kfree_skb_reason() helper function that can be used to
find the reason why this skb is dropped, but most callers didn't increase
one of rx_dropped, tx_dropped, rx_nohandler and rx_otherhost_dropped.
For the users, people are more concerned about why the dropped in ip
is increasing.
Introduce netdev_core_stats_inc() for trace the caller of
dev_core_stats_*_inc().
Also, add __code to netdev_core_stats_alloc(), as it's called with small
probability. And add noinline make sure netdev_core_stats_inc was never
inlined.
Signed-off-by: Yajun Deng <yajun.deng@linux.dev >
Suggested-by: Alexander Lobakin <aleksander.lobakin@intel.com >
Reviewed-by: Eric Dumazet <edumazet@google.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
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Yajun Deng
5247dbf16c