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Diffstat (limited to 'Documentation/howto/dpdk.rst')
| -rw-r--r-- | Documentation/howto/dpdk.rst | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/howto/dpdk.rst b/Documentation/howto/dpdk.rst index a67f3a1fa..bac51de8e 100644 --- a/Documentation/howto/dpdk.rst +++ b/Documentation/howto/dpdk.rst @@ -123,6 +123,22 @@ automatically. The processing cycles that have been stored for each rxq will be used where known to assign rxqs to pmd based on a round robin of the sorted rxqs. +For example, in the case where here there are 5 rxqs and 3 cores (e.g. 3,7,8) +available, and the measured usage of core cycles per rxq over the last +interval is seen to be: + +- Queue #0: 30% +- Queue #1: 80% +- Queue #3: 60% +- Queue #4: 70% +- Queue #5: 10% + +The rxqs will be assigned to cores 3,7,8 in the following order: + +Core 3: Q1 (80%) | +Core 7: Q4 (70%) | Q5 (10%) +core 8: Q3 (60%) | Q0 (30%) + Rxq to pmds assignment takes place whenever there are configuration changes. QoS |