linux-kernel - [PATCH net-next v2 3/4] selftests: drv-net: Strip '@' prefix from bpftrace map keys

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Message-Id: <20250625-netpoll_test-v2-3-47d27775222c@debian.org>
Date: Wed, 25 Jun 2025 04:39:48 -0700
From: Breno Leitao <leitao@...ian.org>
To: Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Shuah Khan <shuah@...nel.org>, Simon Horman <horms@...nel.org>
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, 
 Willem de Bruijn <willemdebruijn.kernel@...il.com>, bpf@...r.kernel.org, 
 gustavold@...il.com, Breno Leitao <leitao@...ian.org>
Subject: [PATCH net-next v2 3/4] selftests: drv-net: Strip '@' prefix from
 bpftrace map keys

The '@' prefix in bpftrace map keys is specific to bpftrace and can be
safely removed when processing results. This patch modifies the bpftrace
utility to strip the '@' from map keys before storing them in the result
dictionary, making the keys more consistent with Python conventions.

Signed-off-by: Breno Leitao <leitao@...ian.org>
---
 tools/testing/selftests/net/lib/py/utils.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/net/lib/py/utils.py b/tools/testing/selftests/net/lib/py/utils.py
index c4e26567ee6fb..31d4d63621c5f 100644
--- a/tools/testing/selftests/net/lib/py/utils.py
+++ b/tools/testing/selftests/net/lib/py/utils.py
@@ -216,6 +216,8 @@ def bpftrace(expr, json=None, ns=None, host=None, timeout=None):
             if one.get('type') != 'map':
                 continue
             for k, v in one["data"].items():
+                if k.startswith('@'):
+                    k = k.lstrip('@')
                 ret[k] = v
         return ret
     return cmd_obj

-- 
2.47.1