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.. SPDX-License-Identifier: BSD-3-Clause
Copyright(c) 2018 Intel Corporation.
EAL parameters
==============
This document contains a list of all EAL parameters. These parameters can be
used by any DPDK application running on Linux.
Common EAL parameters
---------------------
The following EAL parameters are common to all platforms supported by DPDK.
.. include:: eal_args.include.rst
Linux-specific EAL parameters
-----------------------------
In addition to common EAL parameters, there are also Linux-specific EAL
parameters.
Device-related options
~~~~~~~~~~~~~~~~~~~~~~
* ``--create-uio-dev``
Create ``/dev/uioX`` files for devices bound to igb_uio kernel driver
(usually done by the igb_uio driver itself).
* ``--vmware-tsc-map``
Use VMware TSC map instead of native RDTSC.
* ``--no-hpet``
Do not use the HPET timer.
* ``--vfio-intr <legacy|msi|msix>``
Use specified interrupt mode for devices bound to VFIO kernel driver.
Multiprocessing-related options
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* ``--file-prefix <prefix name>``
Use a different shared data file prefix for a DPDK process. This option
allows running multiple independent DPDK primary/secondary processes under
different prefixes.
* ``--base-virtaddr <address>``
Attempt to use a different starting address for all memory maps of the
primary DPDK process. This can be helpful if secondary processes cannot
start due to conflicts in address map.
Memory-related options
~~~~~~~~~~~~~~~~~~~~~~
* ``--legacy-mem``
Use legacy DPDK memory allocation mode.
* ``--socket-mem <amounts of memory per socket>``
Preallocate specified amounts of memory per socket. The parameter is a
comma-separated list of values. For example::
--socket-mem 1024,2048
This will allocate 1 gigabyte of memory on socket 0, and 2048 megabytes of
memory on socket 1.
* ``--socket-limit <amounts of memory per socket>``
Place a per-socket upper limit on memory use (non-legacy memory mode only).
0 will disable the limit for a particular socket.
* ``--single-file-segments``
Create fewer files in hugetlbfs (non-legacy mode only).
* ``--huge-dir <path to hugetlbfs directory>``
Use specified hugetlbfs directory instead of autodetected ones.
* ``--huge-unlink``
Unlink hugepage files after creating them (implies no secondary process
support).
Other options
~~~~~~~~~~~~~
* ``--syslog <syslog facility>``
Set syslog facility. Valid syslog facilities are::
auth
cron
daemon
ftp
kern
lpr
mail
news
syslog
user
uucp
local0
local1
local2
local3
local4
local5
local6
local7
|
