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bh=0xWojd96mWY/VkZBzHZKVknxkDCz3xOcY1edOjGqzVs=; b=OmEtIAyxAFBg9gA4pjHMgKcAFJ0esQVq9U7x6luZA9CXJO19akWKne8NT3dxTDD2EESEgs rSxeZaIXAkqsvWS+mlNZXKy6M3U5KBdSNtf78oU69f2nEW6UCS/xn1TqhErtDPK4osxhmY izykigYjTsFO/IpzvM/JzgL4R8xhkdU= X-MC-Unique: lD17Z8kwMRqND0jt8oaHow-1 From: Emanuele Giuseppe Esposito To: qemu-block@nongnu.org Subject: [PATCH v4 08/15] docs/devel/testing: add -gdb option to the debugging section of QEMU iotests Date: Thu, 20 May 2021 09:52:29 +0200 Message-Id: <20210520075236.44723-9-eesposit@redhat.com> In-Reply-To: <20210520075236.44723-1-eesposit@redhat.com> References: <20210520075236.44723-1-eesposit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eesposit@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" Signed-off-by: Emanuele Giuseppe Esposito Reviewed-by: Vladimir Sementsov-Ogievskiy --- docs/devel/testing.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/docs/devel/testing.rst b/docs/devel/testing.rst index 8144e316a4..a746cab745 100644 --- a/docs/devel/testing.rst +++ b/docs/devel/testing.rst @@ -229,6 +229,17 @@ Debugging a test case The following options to the ``check`` script can be useful when debugging a failing test: =20 +* ``-gdb`` wraps every QEMU invocation in a ``gdbserver``, which waits for= a + connection from a gdb client. The options given to ``gdbserver`` (e.g. = the + address on which to listen for connections) are taken from the ``$GDB_OP= TIONS`` + environment variable. By default (if ``$GDB_OPTIONS`` is empty), it lis= tens on + ``localhost:12345``. + It is possible to connect to it for example with + ``gdb -iex "target remote $addr"``, where ``$addr`` is the address + ``gdbserver`` listens on. + If the ``-gdb`` option is not used, ``$GDB_OPTIONS`` is ignored, + regardless on whether it is set or not. + * ``-d`` (debug) just increases the logging verbosity, showing for example the QMP commands and answers. =20 --=20 2.30.2