[dpdk-dev] [PATCH] devtools: disable automatic probing in null testing
Gaëtan Rivet
gaetan.rivet at 6wind.com
Fri Nov 22 15:03:47 CET 2019
Hi Thomas,
On Fri, Nov 22, 2019 at 02:48:08PM +0100, Thomas Monjalon wrote:
> The script test-null.sh is supposed to do a quick and simple
> run of testpmd with null PMD only, for sanity check.
> As it is not supposed to test probing of any other PMD,
> physical device probing is switched to whitelist mode
> by using a fake PCI address (0:0.0).
> It will also help to keep memory usage stable across platforms.
>
With https://patchwork.dpdk.org/patch/62014/, --manual-probe could be
used as a more standard way of workarounding the PCI bus.
This is a common issue, we should have cleaner way of addressing it than
using hacks relying on the PCI bus not panicking up upon finding an
inexistant address. Which is a questionable behavior, users should not
be encouraged to rely on it.
> Signed-off-by: Thomas Monjalon <thomas at monjalon.net>
> ---
> devtools/test-null.sh | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/devtools/test-null.sh b/devtools/test-null.sh
> index 9f9a459f76..d82c6ad193 100755
> --- a/devtools/test-null.sh
> +++ b/devtools/test-null.sh
> @@ -26,5 +26,5 @@ fi
>
> (sleep 1 && echo stop) |
> $testpmd -c $coremask --no-huge -m 150 \
> - $libs --vdev net_null1 --vdev net_null2 $eal_options -- \
> + $libs -w 0:0.0 --vdev net_null1 --vdev net_null2 $eal_options -- \
> --no-mlockall --total-num-mbufs=2048 $testpmd_options -ia
> --
> 2.23.0
>
--
Gaëtan Rivet
6WIND
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