From 4821fa10999561b77b64d3eaf8afbed361051024 Mon Sep 17 00:00:00 2001 From: Thomas Monjalon Date: Mon, 8 Mar 2021 23:25:52 +0100 Subject: [PATCH] doc: improve lstopo tip The tool lstopo from hwloc package can provide a graphical or textual view. In its textual form, the option --merge gives a shorter summary which fits well with the DPDK need. Signed-off-by: Thomas Monjalon --- doc/guides/linux_gsg/build_sample_apps.rst | 13 +++++++++---- doc/guides/nics/mlx4.rst | 2 +- doc/guides/nics/mlx5.rst | 2 +- 3 files changed, 11 insertions(+), 6 deletions(-) diff --git a/doc/guides/linux_gsg/build_sample_apps.rst b/doc/guides/linux_gsg/build_sample_apps.rst index 78652549a7..709b301427 100644 --- a/doc/guides/linux_gsg/build_sample_apps.rst +++ b/doc/guides/linux_gsg/build_sample_apps.rst @@ -138,11 +138,16 @@ This can be useful when using other processors to understand the mapping of the .. note:: - A more graphical view of the logical core layout may be obtained using the ``lstopo`` Linux utility. - On Fedora Linux, this may be installed and run using the following command:: + A more graphical view of the logical core layout + may be obtained using the ``lstopo`` Linux utility. + On Fedora, this may be installed and run using the following commands:: - sudo yum install hwloc - ./lstopo + sudo yum install hwloc + lstopo + + This command produces a quite short textual output:: + + lstopo-no-graphics --merge .. warning:: diff --git a/doc/guides/nics/mlx4.rst b/doc/guides/nics/mlx4.rst index 9742ddb268..a25add7c47 100644 --- a/doc/guides/nics/mlx4.rst +++ b/doc/guides/nics/mlx4.rst @@ -308,7 +308,7 @@ Performance tuning for better performance. For VMs, verify that the right CPU and NUMA node are pinned according to the above. Run:: - lstopo-no-graphics + lstopo-no-graphics --merge to identify the NUMA node to which the PCIe adapter is connected. diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst index 220c6e505a..83299646dd 100644 --- a/doc/guides/nics/mlx5.rst +++ b/doc/guides/nics/mlx5.rst @@ -1496,7 +1496,7 @@ Performance tuning for better performance. For VMs, verify that the right CPU and NUMA node are pinned according to the above. Run:: - lstopo-no-graphics + lstopo-no-graphics --merge to identify the NUMA node to which the PCIe adapter is connected.