netdev - [PATCH net 0/2] selftests: pmtu.sh: Fix cleanup of processes launched in subshell.

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Date:   Tue, 8 Mar 2022 23:14:57 +0100
From:   Guillaume Nault <gnault@...hat.com>
To:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, David Ahern <dsahern@...il.com>,
        Vadim Fedorenko <vfedorenko@...ek.ru>,
        Shuah Khan <shuah@...nel.org>, linux-kselftest@...r.kernel.org
Subject: [PATCH net 0/2] selftests: pmtu.sh: Fix cleanup of processes
 launched in subshell.

Depending on the options used, pmtu.sh may launch tcpdump and nettest
processes in the background. However it fails to clean them up after
the tests complete.

Patch 1 allows the cleanup() function to read the list of PIDs launched
by the tests.
Patch 2 fixes the way the nettest PIDs are retrieved.

v2:
  * Use tcpdump's immediate mode to capture packets even in short lived
    tests.
  * Add patch 2 to fix the nettest_pids list.

Guillaume Nault (2):
  selftests: pmtu.sh: Kill tcpdump processes launched by subshell.
  selftests: pmtu.sh: Kill nettest processes launched in subshell.

 tools/testing/selftests/net/pmtu.sh | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

-- 
2.21.3