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authorAlexander Lobakin <alexandr.lobakin@intel.com>2021-11-23 18:18:40 +0100
committerTony Nguyen <anthony.l.nguyen@intel.com>2021-12-28 09:42:33 -0800
commitc15500198916cb6f553b43f63070990b8d079b49 (patch)
tree71ddbabfd084d113f34b0945783936f70bf62111 /tools/perf/scripts/python/export-to-postgresql.py
parentixgbe: switch to napi_build_skb() (diff)
downloadwireguard-linux-c15500198916cb6f553b43f63070990b8d079b49.tar.xz
wireguard-linux-c15500198916cb6f553b43f63070990b8d079b49.zip
ixgbevf: switch to napi_build_skb()
napi_build_skb() reuses per-cpu NAPI skbuff_head cache in order to save some cycles on freeing/allocating skbuff_heads on every new Rx or completed Tx. ixgbevf driver runs Tx completion polling cycle right before the Rx one and uses napi_consume_skb() to feed the cache with skbuff_heads of completed entries, so it's never empty and always warm at that moment. Switch to the napi_build_skb() to relax mm pressure on heavy Rx. Signed-off-by: Alexander Lobakin <alexandr.lobakin@intel.com> Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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