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Wed, 11 Jan 2023 01:47:07 +0000 (GMT) From: Ilya Leoshkevich To: Richard Henderson , =?UTF-8?q?Alex=20Benn=C3=A9e?= Cc: Christian Borntraeger , qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH v3 0/3] tcg: add perfmap and jitdump Date: Wed, 11 Jan 2023 02:47:02 +0100 Message-Id: <20230111014705.2275040-1-iii@linux.ibm.com> X-Mailer: git-send-email 2.39.0 Content-Type: text/plain; charset=UTF-8 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: GfJMkj7JcRs1UFN2jDrrg7VzxOr0V1f4 X-Proofpoint-ORIG-GUID: GfJMkj7JcRs1UFN2jDrrg7VzxOr0V1f4 Content-Transfer-Encoding: 8bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2023-01-10_10,2023-01-10_03,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 phishscore=0 mlxlogscore=999 clxscore=1015 adultscore=0 mlxscore=0 malwarescore=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301110005 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=-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 v2: https://lists.gnu.org/archive/html/qemu-devel/2022-11/msg02385.html https://lists.gnu.org/archive/html/qemu-devel/2023-01/msg01026.html v2 -> v3: * Enable only for CONFIG_LINUX (Alex). * Use qemu_get_thread_id() instead of gettid() (Alex). * Fix CI (Alex). https://gitlab.com/iii-i/qemu/-/pipelines/743684604 * Drop unnecessary #includes (Alex). * Drop the constification change (Alex/Richard). * Split debuginfo support into a separate patch. * Fix partial perfmap/jitdump files when terminating due to a signal. * Fix debuginfo strings being accessed outside of debuginfo lock. * Fix address resolution with TARGET_TB_PCREL. * Add DEBUGINFOD_URLS= to the doc; without it perf inject is unacceptably slow. * Note: it's better to test this with the latest perf (6.2.rc3.g7dd4b804e080 worked fine for me). There has been at least one breakage in the JIT area recently (fixed by 6d518ac7be62). v1: https://lists.nongnu.org/archive/html/qemu-devel/2022-10/msg01824.html https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01073.html v1 -> v2: * Use QEMU_LOCK_GUARD (Alex). * Handle TARGET_TB_PCREL (Alex). * Support ELF -kernels, add a note about this (Alex). Tested with qemu-system-x86_64 and Linux kernel - it's not fast, but it works. * Minor const correctness and style improvements. Ilya Leoshkevich (3): linux-user: Clean up when exiting due to a signal accel/tcg: Add debuginfo support tcg: add perfmap and jitdump accel/tcg/debuginfo.c | 96 ++++++++++ accel/tcg/debuginfo.h | 77 ++++++++ accel/tcg/meson.build | 2 + accel/tcg/perf.c | 366 ++++++++++++++++++++++++++++++++++++++ accel/tcg/perf.h | 49 +++++ accel/tcg/translate-all.c | 8 + docs/devel/tcg.rst | 23 +++ hw/core/loader.c | 5 + linux-user/elfload.c | 3 + linux-user/exit.c | 2 + linux-user/main.c | 15 ++ linux-user/meson.build | 1 + linux-user/signal.c | 8 +- meson.build | 8 + qemu-options.hx | 20 +++ softmmu/vl.c | 11 ++ tcg/tcg.c | 2 + 17 files changed, 693 insertions(+), 3 deletions(-) create mode 100644 accel/tcg/debuginfo.c create mode 100644 accel/tcg/debuginfo.h create mode 100644 accel/tcg/perf.c create mode 100644 accel/tcg/perf.h -- 2.39.0