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Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF00012E80.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4198 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org 1. updated URL for AMD SoC tuning guide. 2. add `ASPM` disable for latency. Fixes: de1f01a8eabd ("doc: add AMD configuration in Linux guide") Cc: vipin.varghese@amd.com Cc: stable@dpdk.org Signed-off-by: Vipin Varghese Tested-by: Vipin Varghese --- doc/guides/linux_gsg/amd_platform.rst | 29 ++++++++++++++++++--------- 1 file changed, 19 insertions(+), 10 deletions(-) diff --git a/doc/guides/linux_gsg/amd_platform.rst b/doc/guides/linux_gsg/amd_platform.rst index 40b65d1c9e..3d395a3605 100644 --- a/doc/guides/linux_gsg/amd_platform.rst +++ b/doc/guides/linux_gsg/amd_platform.rst @@ -4,9 +4,9 @@ How to get best performance on AMD platform =========================================== -This document provides a detailed, step-by-step guide -on configuring AMD EPYC System-on-Chip (SoC) for optimal performance -in DPDK applications across different SoC families. +This document provides a detailed, step-by-step guide on configuring +AMD EPYC System-on-Chip (SoC) for optimal performance in DPDK +applications across different SoC families. The overall performance is influenced by factors such as BIOS settings, NUMA per socket configuration, memory per NUMA allocation, @@ -18,13 +18,13 @@ These are covered in various sections of tuning guides shared below. Tuning Guides for AMD EPYC SoC ------------------------------ -#. `MILAN `_ +#. `MILAN `_ -#. `GENOA `_ +#. `GENOA `_ -#. `BERGAMO|SIENA `_ +#. `BERGAMO|SIENA `_ -#. `TURIN `_ +#. `TURIN `_ General Requirements @@ -107,7 +107,13 @@ Please refer the tuning guides to enable ``HSMP`` and DPDK power management guid NIC --- -To use Solarflare x4 on AMD EPYC TURIN, please ensure the following +To use NIC in low latency mode, follow the tuning guide to update GRUB with `pcie_aspm=off`. + + +On AMD EPYC TURIN, please ensure the following + +Solarflare x4 +~~~~~~~~~~~~~ #. Upgrade Linux or distro version to 6.13 or higher. @@ -118,7 +124,9 @@ To use Solarflare x4 on AMD EPYC TURIN, please ensure the following #. Please use PMD args ``fw_variant=ultra-low-latency,perf_profile=throughput``. -To use Solarflare x2 on AMD EPYC TURIN, please ensure the following + +Solarflare x2 +~~~~~~~~~~~~~ #. Upgrade Linux or distro version to 6.13 or higher. @@ -127,4 +135,5 @@ To use Solarflare x2 on AMD EPYC TURIN, please ensure the following #. Enable the hardware with ``sfc`` Linux Kernel Driver first; then bind with ``vfio-pci`` next. -#. Please use PMD args ``fw_variant=ultra-low-latency,perf_profile=throughput``. +#. Use PMD args ``fw_variant=ultra-low-latency,perf_profile=throughput``. + -- 2.43.0