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| author | Tariq Toukan <tariqt@mellanox.com> | 2018-05-16 10:46:57 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2018-07-27 01:23:57 +0300 |
| commit | d3398a4f1887eee46c22b37f6245faa6c51b130b (patch) | |
| tree | 288bf28a2ace1c85791d1a2fe380be974f315190 /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | 58b99ee3e3ebecfaccc5641a4014d92a818494a5 (diff) | |
| download | linux-d3398a4f1887eee46c22b37f6245faa6c51b130b.tar.xz | |
net/mlx5e: RX, Prefetch the xdp_frame data area
A loaded XDP program might write to the xdp_frame data area,
prefetchw() it to avoid a potential cache miss.
Performance tests:
ConnectX-5, XDP_TX packet rate, single ring.
CPU: Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz
Before: 13,172,976 pps
After: 13,456,248 pps
2% gain.
Fixes: 22f453988194 ("net/mlx5e: Support XDP over Striding RQ")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions