linux-kernel - [PATCH net-next 6/6] selftests: mptcp: connect: better display the files size

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Message-Id: <20250114-net-next-mptcp-st-more-debug-err-v1-6-2ffb16a6cf35@kernel.org>
Date: Tue, 14 Jan 2025 19:03:16 +0100
From: "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
To: mptcp@...ts.linux.dev, Mat Martineau <martineau@...nel.org>, 
 Geliang Tang <geliang@...nel.org>, "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, 
 Shuah Khan <shuah@...nel.org>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, 
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
Subject: [PATCH net-next 6/6] selftests: mptcp: connect: better display the
 files size

'du' will print the name of the file, which was already displayed
before, e.g.

  Created /tmp/tmp.UOyy0ghfmQ (size 4703740/tmp/tmp.UOyy0ghfmQ) containing data sent by client
  Created /tmp/tmp.xq3zvFinGo (size 1391724/tmp/tmp.xq3zvFinGo) containing data sent by server

'stat' can be used instead, to display this instead:

  Created /tmp/tmp.UOyy0ghfmQ (size 4703740 B) containing data sent by client
  Created /tmp/tmp.xq3zvFinGo (size 1391724 B) containing data sent by server

So easier to spot the file sizes.

Reviewed-by: Geliang Tang <geliang@...nel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
 tools/testing/selftests/net/mptcp/mptcp_connect.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
index e508d356fcdaebbfb95750bba0fa834a8463e32a..5e3c56253274a1f938d2ed9986c4290fcea8b96b 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
@@ -582,7 +582,7 @@ make_file()
 	mptcp_lib_make_file $name 1024 $ksize
 	dd if=/dev/urandom conv=notrunc of="$name" oflag=append bs=1 count=$rem 2> /dev/null

-	echo "Created $name (size $(du -b "$name")) containing data sent by $who"
+	echo "Created $name (size $(stat -c "%s" "$name") B) containing data sent by $who"
 }

 run_tests_lo()

-- 
2.47.1