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AF_XDP-interaction: Adjust formatting#2, test GitHub rendering

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Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
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Jesper Dangaard Brouer
2021-11-19 16:12:14 +01:00
parent 5a45bcbb16
commit d5ff1ac505
1 changed files with 12 additions and 10 deletions
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AF_XDP-interaction/README.org
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@@ -84,16 +84,18 @@ using the spin-mode, and effects of userspace running on same or a
different CPU core, and the CPU sleep state modes and RT-patched
kernels.
| Driver | Test | core | time-delay avg | min | max | System |
|--------+--------+--------+----------------+----------+----------+--------|
| igc | spin | same | 1575 ns | 849 ns | 2123 ns | A |
| igc | spin | remote | 2639 ns | 2337 ns | 4019 ns | A |
| igc | wakeup | same | 22881 ns | 21190 ns | 30619 ns | A |
| igc | wakeup | remote | 50353 ns | 47420 ns | 56156 ns | A |
|--------+--------+--------+----------------+----------+----------+--------|
| igc | wakeup | same | 3177 ns | 2210 ns | 9136 ns | B |
| igc | wakeup | remote | 4095 ns | 3029 ns | 10595 ns | B |
| | | | | | | |
| Driver | Test | core | time-delay avg | min | max | System |
|----------+--------+--------+----------------+----------+-------------+--------|
| igc | spin | same | 1575 ns | 849 ns | 2123 ns | A |
| igc | spin | remote | 2639 ns | 2337 ns | 4019 ns | A |
| igc | wakeup | same | 22881 ns | 21190 ns | 30619 ns | A |
| igc | wakeup | remote | 50353 ns | 47420 ns | 56156 ns | A |
|----------+--------+--------+----------------+----------+-------------+--------|
| conf upd | | | | | no C-states | *B* |
|----------+--------+--------+----------------+----------+-------------+--------|
| igc | wakeup | same | 3177 ns | 2210 ns | 9136 ns | B |
| igc | wakeup | remote | 4095 ns | 3029 ns | 10595 ns | B |
| | | | | | | |
The latency is affected a lot by CPUs power-saving states, which can
be limited globally by changing =/dev/cpu_dma_latency=. (See section