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Differences in allocated Acpi-Parse entries are gone (at least) since
the 6.1 Linux kernel series. I should run this on a 6.10 kernel,
eventually, and adjust things further, as needed.
Userspace symbols are also fairly different now: show whatever is more
than 1 MiB at the moment.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Tested-by: David Gibson <david@gibson.dropbear.id.au>
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This used to work on my setup as I kept reusing an old mbuto
(initramfs) image, but since commit 65923ba79877 ("conf: Accept
duplicate and conflicting options, the last one wins"), --netns-only
is, as originally intended, a pasta-only option.
I had used --netns-only, here, to prevent passt from trying to detach
its own user namespace, which is not permitted as we're in a chroot,
see unshare(2). In turn, we need the chroot because passt can't pivot
root directly into its own empty filesystem using an initramfs.
Use switch_root into the tmpfs mountpoint instead of chroot, so that
we can still detach user namespaces.
Note that in the mbuto images, we can't switch to nobody as we have
no password entries at all, so we need to detach a further user
namespace before starting passt, to trick passt into running as UID
0.
Given the new sequence, it's now more convenient to directly switch
to a detached network namespace as well, which means we need to move
the initialisation of the dummy network from the init script into the
test script.
Reported-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Tested-by: David Gibson <david@gibson.dropbear.id.au>
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In practical terms, passt doesn't benefit from the additional
protection offered by the AGPL over the GPL, because it's not
suitable to be executed over a computer network.
Further, restricting the distribution under the version 3 of the GPL
wouldn't provide any practical advantage either, as long as the passt
codebase is concerned, and might cause unnecessary compatibility
dilemmas.
Change licensing terms to the GNU General Public License Version 2,
or any later version, with written permission from all current and
past contributors, namely: myself, David Gibson, Laine Stump, Andrea
Bolognani, Paul Holzinger, Richard W.M. Jones, Chris Kuhn, Florian
Weimer, Giuseppe Scrivano, Stefan Hajnoczi, and Vasiliy Ulyanov.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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Now that we install the binary in /bin, and we have a link from
/usr/bin, change the path in the test itself as well. Otherwise
it works with bash but not with dash for some reason.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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These show a summary of memory usage in kernel and userspace with
different port forwarding configurations, details of userspace usage
using 'nm' (passt only uses statically allocated memory), and details
of kernel memory from slab reporting facilities.
This adds a new test image, mbuto.mem.img, with harcoded IPv4 and
IPv6 addresses and routes, and just the tools we need to start and
stop passt, to report from /proc/slabinfo, /proc/meminfo, and to
print and parse symbol sizes using nm(1).
passt can't pivot_root() for sandboxing purposes on ramfs, so we need
to create another filesystem and chroot into it, first.
We don't want to use pane context functions, as we're checking memory
usage for sockets: resort to screen-scraping.
Configure a dummy interface to provide passt with an appearance of
working IPv4 and IPv6 connectivity, contributed by David.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
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