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author | Joe Damato <jdamato@fastly.com> | 2021-12-17 11:35:18 -0800 |
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committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2022-02-08 08:21:52 -0800 |
commit | cb963b989755ed49f002b7b7c8c7a9c744e21bb0 (patch) | |
tree | cbe8a1d8b09ee7c09fcf066cc8a1f4dfdee918f3 /drivers/net/ethernet/intel/i40e/i40e.h | |
parent | 453f8305483851c20a41b66719d5acdc945541ca (diff) | |
download | linux-stable-cb963b989755ed49f002b7b7c8c7a9c744e21bb0.tar.gz linux-stable-cb963b989755ed49f002b7b7c8c7a9c744e21bb0.tar.bz2 linux-stable-cb963b989755ed49f002b7b7c8c7a9c744e21bb0.zip |
i40e: Add a stat for tracking pages waived
In some cases, pages can not be reused because they are not associated with
the correct NUMA zone. Knowing how often pages are waived helps users to
understand the interaction between the driver's memory usage and their
system.
Pass rx_stats through to i40e_can_reuse_rx_page to allow tracking when
pages are waived.
The page waive count is accessible via ethtool.
Signed-off-by: Joe Damato <jdamato@fastly.com>
Tested-by: Dave Switzer <david.switzer@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e.h')
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index ea8021d9739c..d2e71db65fb4 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -856,6 +856,7 @@ struct i40e_vsi { u64 rx_page_failed; u64 rx_page_reuse; u64 rx_page_alloc; + u64 rx_page_waive; /* These are containers of ring pointers, allocated at run-time */ struct i40e_ring **rx_rings; |