Commit 56cef47c authored by Eric Dumazet's avatar Eric Dumazet Committed by Jakub Kicinski
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selftests/net: packetdrill: unflake tcp_user_timeout_user-timeout-probe.pkt 



This test fails the first time I am running it after a fresh virtme-ng boot.

tcp_user_timeout_user-timeout-probe.pkt:33: runtime error in write call: Expected result -1 but got 24 with errno 2 (No such file or directory)

Tweaks the timings a bit, to reduce flakiness.

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Cc: Soham Chakradeo <sohamch@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Reviewed-by: default avatarKuniyuki Iwashima <kuniyu@google.com>
Tested-by: default avatarJamal Hadi Salim <jhs@mojatatu.com>
Acked-by: default avatarJamal Hadi Salim <jhs@mojatatu.com>
Link: https://patch.msgid.link/20251014171907.3554413-2-edumazet@google.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 01b6aca2

tools/testing/selftests/net/packetdrill/tcp_user_timeout_user-timeout-probe.pkt

+4 −2
Original line number Diff line number Diff line
@@ -23,14 +23,16 @@ 


// install a qdisc dropping all packets

   +0 `tc qdisc delete dev tun0 root 2>/dev/null ; tc qdisc add dev tun0 root pfifo limit 0`



   +0 write(4, ..., 24) = 24

   // When qdisc is congested we retry every 500ms

   // (TCP_RESOURCE_PROBE_INTERVAL) and therefore

   // we retry 6 times before hitting 3s timeout.

   // First verify that the connection is alive:

+3.250 write(4, ..., 24) = 24

+3 write(4, ..., 24) = 24



   // Now verify that shortly after that the socket is dead:

 +.100 write(4, ..., 24) = -1 ETIMEDOUT (Connection timed out)

+1 write(4, ..., 24) = -1 ETIMEDOUT (Connection timed out)



   +0 %{ assert tcpi_probes == 6, tcpi_probes; \

         assert tcpi_backoff == 0, tcpi_backoff }%