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| author |   Amir Vadai <amirv@mellanox.com> | 2014-07-08 11:28:12 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-07-08 20:00:49 -0700 |
| commit | fbc6daf19745b372c0d909e5d74ab02e42b70e51 (patch) | |
| tree | 261af07430baed5f056fde747f73e9f9879bf02c /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | r8152: wake up the device before dumping the hw counter (diff) | |
| download | linux-dev-fbc6daf19745b372c0d909e5d74ab02e42b70e51.tar.xz linux-dev-fbc6daf19745b372c0d909e5d74ab02e42b70e51.zip | |
net/mlx4_en: Ignore budget on TX napi polling
It is recommended that TX work not count against the quota.
The cost of TX packet liberation is a minute percentage of what it costs to
process an RX frame. Furthermore, that SKB freeing makes memory available for
other paths in the stack.
Give the TX a larger budget and be more aggressive about cleaning up the Tx
descriptors this budget could be changed using ethtool:
$ ethtool -C eth1 tx-frames-irq <budget>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions