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charset="utf-7" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Dell.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM5PR1901MB2150.namprd19.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8f15aec7-65ef-40b5-40c9-08dc8c77da11 X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Jun 2024 13:42:36.7245 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 945c199a-83a2-4e80-9f8c-5a91be5752dd X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 0A+OvE1bfNGoqufuZVBi6vXgWuWUPdYLy/rejlFf6MfGkmJL3uhE+6M9upRmk4sIqP9n1txUcMU744fl/ep2w4G5McaELqaAoo8amjmF0UY= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR19MB4950 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-14_10,2024-06-14_03,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 mlxscore=0 mlxlogscore=642 clxscore=1015 priorityscore=1501 adultscore=0 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2405010000 definitions=main-2406140092 X-Proofpoint-GUID: zQeGMlOY3dNfiHKBF-jJmh9rXHuiTn7f X-Proofpoint-ORIG-GUID: zQeGMlOY3dNfiHKBF-jJmh9rXHuiTn7f X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=594 malwarescore=0 mlxscore=0 clxscore=1015 bulkscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 priorityscore=1501 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2405010000 definitions=main-2406140092 X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: "Terekhov, Mikhail via Gdb" Reply-To: "Terekhov, Mikhail" Errors-To: gdb-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb" Internal Use - Confidential +AD4- -----Original Message----- +AD4- From: Andrew Burgess +ADw-aburgess+AEA-redhat.com+AD4- +AD4- Sent: Friday, June 14, 2024 4:08 AM +AD4- To: Terekhov, Mikhail +ADw-Mikhail.Terekhov+AEA-dell.com+AD4AOw- Luis= Machado +AD4- +ADw-luis.machado+AEA-arm.com+AD4AOw- gdb-patches+AEA-sourceware.org+= ADs- +AD4- gdb+AEA-sourceware.org +AD4- Cc: Pedro Alves +ADw-pedro+AEA-palves.net+AD4- +AD4- Subject: RE: +AFs-RFC+AF0- Removing in process agent (IPA) +AD4- +AD4- +AD4- +AFs-EXTERNAL EMAIL+AF0- +AD4- +AD4- +ACI-Terekhov, Mikhail+ACI- +ADw-Mikhail.Terekhov+AEA-dell.com+AD4- w= rites: +AD4- +AD4- +AD4APg- -----Original Message----- +AD4- +AD4APg- From: Luis Machado +ADw-luis.machado+AEA-arm.com+AD4- +AD4- +AD4APg- +AD4- +AD4APg- Similarly, I also think it might be time to consider droppin= g the +AD4- +AD4APg- tracepoints (mainly static and fast) machinery from gdbserve= r, as I +AD4- +AD4APg- suspect that is another mechanism that is not being used ver= y often. +AD4- +AD4APg- +AD4- +AD4- We use tracepoints in our stub from the last millennia I guess = (back +AD4- +AD4- from EMC days) and plan to do so in the future. +AD4- +AD4- +AD4- +AD4APg- I recall trying to use tracepoints for practical purposes (b= ack in +AD4- +AD4APg- the day), and it wasn't up to the task, being too cumbersome= to use, +AD4- +AD4APg- having bad failure modes +AD4- +AD4- +AD4- +AD4- Putting some UI/GUI on top of it makes it relatively simple to = use. +AD4- +AD4- +AD4- +AD4APg- and having other security implications when trying to debug = stuff in +AD4- +AD4APg- production platforms. The remote protocol side of it is OK, = but +AD4- +AD4APg- again, I bet no debugging stubs are using that anymore. +AD4- +AD4- +AD4- +AD4- We do use them but not in production though. +AD4- +AD4- Just so I'm clear, you're talking about tracepoints here either in gd= bserver, or at +AD4- least (if you have your own stub) in GDB and the remote protocol, rig= ht? +AD4- Yes, you are right, I'm talking about GDB, remote protocol and stub. May be gdbserver in the future. +AD4- This doesn't require gdb to continue shipping the IPA right? Or have= I failed to +AD4- understand your position? +AD4- We do not use IPA explicitly and I did not check if it's code is used in th= e tracepoints implementation. My replay was to the proposal to drop tracepoints. Regards, Mikhail