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Fri, 10 Jan 2025 14:13:01 +0000 (GMT) From: Ilya Leoshkevich To: Warner Losh , Riku Voipio , Laurent Vivier , Paolo Bonzini , Richard Henderson , =?utf-8?q?Alex_Benn=C3=A9?= =?utf-8?q?e?= Cc: Kyle Evans , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, =?utf-8?q?Daniel_P_=2E_Berrang=C3=A9?= , Ilya Leoshkevich Subject: [PATCH v5 7/8] docs/user: Document the %d placeholder and suspend=n QEMU_GDB features Date: Fri, 10 Jan 2025 15:09:39 +0100 Message-ID: <20250110141255.2328-8-iii@linux.ibm.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250110141255.2328-1-iii@linux.ibm.com> References: <20250110141255.2328-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: gi5gaVzoOQa7pb4SwGd_N1q0WD_FU4ix X-Proofpoint-GUID: gi5gaVzoOQa7pb4SwGd_N1q0WD_FU4ix X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 malwarescore=0 spamscore=0 clxscore=1015 impostorscore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 suspectscore=0 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501100110 Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Reviewed-by: Alex Bennée Signed-off-by: Ilya Leoshkevich --- docs/user/main.rst | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/docs/user/main.rst b/docs/user/main.rst index 7a126ee8093..8dcb1d90a8b 100644 --- a/docs/user/main.rst +++ b/docs/user/main.rst @@ -50,7 +50,7 @@ Command line options :: - qemu-i386 [-h] [-d] [-L path] [-s size] [-cpu model] [-g port] [-B offset] [-R size] program [arguments...] + qemu-i386 [-h] [-d] [-L path] [-s size] [-cpu model] [-g endpoint] [-B offset] [-R size] program [arguments...] ``-h`` Print the help @@ -87,8 +87,18 @@ Debug options: Activate logging of the specified items (use '-d help' for a list of log items) -``-g port`` - Wait gdb connection to port +``-g endpoint`` + Wait gdb connection to a port (e.g., ``1234``) or a unix socket (e.g., + ``/tmp/qemu.sock``). + + If a unix socket path contains single ``%d`` placeholder (e.g., + ``/tmp/qemu-%d.sock``), it is replaced by the emulator PID, which is useful + when passing this option via the ``QEMU_GDB`` environment variable to a + multi-process application. + + If the endpoint address is followed by ``,suspend=n`` (e.g., + ``1234,suspend=n``), then the emulated program starts without waiting for a + connection, which can be established at any later point in time. ``-one-insn-per-tb`` Run the emulation with one guest instruction per translation block.