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selftests/net: packetdrill: make tcp buf limited timing tests benign

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The following tests are failing on debug kernels:

  tcp_tcp_info_tcp-info-rwnd-limited.pkt
  tcp_tcp_info_tcp-info-sndbuf-limited.pkt

with reports like:

      assert 19000 <= tcpi_sndbuf_limited <= 21000, tcpi_sndbuf_limited; \
  AssertionError: 18000

and:

      assert 348000 <= tcpi_busy_time <= 360000, tcpi_busy_time
  AssertionError: 362000

Extend commit 912d6f6697 ("selftests/net: packetdrill: report benign
debug flakes as xfail") to cover them.

Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250115232129.845884-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2025-01-15 15:21:29 -08:00
parent d338e12736
commit 3030e3d57b
1 changed files with 1 additions and 0 deletions
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1
tools/testing/selftests/net/packetdrill/ksft_runner.sh
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@ -43,6 +43,7 @@ if [[ -n "${KSFT_MACHINE_SLOW}" ]]; then
"tcp_timestamping.*.pkt"
"tcp_user_timeout_user-timeout-probe.pkt"
"tcp_zerocopy_epoll_.*.pkt"
"tcp_tcp_info_tcp-info-*-limited.pkt"
)
readonly xfail_regex="^($(printf '%s|' "${xfail_list[@]}"))$"
[[ "$script" =~ ${xfail_regex} ]] && failfunc=ktap_test_xfail