diff options
author | Yajun Deng <yajun.deng@linux.dev> | 2023-10-09 19:16:33 +0800 |
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committer | David S. Miller <davem@davemloft.net> | 2023-10-11 10:07:40 +0100 |
commit | 5247dbf16cee4e83eb89e4d3b87bd5e79c5d1655 (patch) | |
tree | 28117a9edbd56d6b0ab01a8c24a4cb8c32c2602d /net/Kconfig | |
parent | 0c2d3ff8c4f350da8238b7d453694fe73e9720d6 (diff) |
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>
Diffstat (limited to 'net/Kconfig')
0 files changed, 0 insertions, 0 deletions