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5ef7fdf52c
We keep seeing flakes on packetdrill on debug kernels, while non-debug kernels are stable, not a single flake in 200 runs. Time to give up, debug kernels appear to suffer from 10msec latency spikes and any timing-sensitive test is bound to flake. Reviewed-by: Willem de Bruijn <willemb@google.com> Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250801181638.2483531-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
50 lines
1.3 KiB
Bash
Executable File
50 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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source "$(dirname $(realpath $0))/../../kselftest/ktap_helpers.sh"
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readonly ipv4_args=('--ip_version=ipv4 '
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'--local_ip=192.168.0.1 '
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'--gateway_ip=192.168.0.1 '
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'--netmask_ip=255.255.0.0 '
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'--remote_ip=192.0.2.1 '
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'-D CMSG_LEVEL_IP=SOL_IP '
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'-D CMSG_TYPE_RECVERR=IP_RECVERR ')
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readonly ipv6_args=('--ip_version=ipv6 '
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'--mtu=1520 '
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'--local_ip=fd3d:0a0b:17d6::1 '
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'--gateway_ip=fd3d:0a0b:17d6:8888::1 '
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'--remote_ip=fd3d:fa7b:d17d::1 '
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'-D CMSG_LEVEL_IP=SOL_IPV6 '
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'-D CMSG_TYPE_RECVERR=IPV6_RECVERR ')
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if [ $# -ne 1 ]; then
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ktap_exit_fail_msg "usage: $0 <script>"
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exit "$KSFT_FAIL"
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fi
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script="$(basename $1)"
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if [ -z "$(which packetdrill)" ]; then
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ktap_skip_all "packetdrill not found in PATH"
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exit "$KSFT_SKIP"
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fi
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declare -a optargs
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failfunc=ktap_test_fail
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if [[ -n "${KSFT_MACHINE_SLOW}" ]]; then
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optargs+=('--tolerance_usecs=14000')
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failfunc=ktap_test_xfail
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fi
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ktap_print_header
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ktap_set_plan 2
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unshare -n packetdrill ${ipv4_args[@]} ${optargs[@]} $script > /dev/null \
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&& ktap_test_pass "ipv4" || $failfunc "ipv4"
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unshare -n packetdrill ${ipv6_args[@]} ${optargs[@]} $script > /dev/null \
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&& ktap_test_pass "ipv6" || $failfunc "ipv6"
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ktap_finished
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