From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53525) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ecSFy-0008Ug-02 for qemu-devel@nongnu.org; Fri, 19 Jan 2018 03:42:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ecSFu-000477-T6 for qemu-devel@nongnu.org; Fri, 19 Jan 2018 03:42:38 -0500 Received: from mail.ispras.ru ([83.149.199.45]:53364) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ecSFu-00045K-GU for qemu-devel@nongnu.org; Fri, 19 Jan 2018 03:42:34 -0500 From: Pavel Dovgalyuk Date: Fri, 19 Jan 2018 11:42:36 +0300 Message-ID: <20180119084235.7100.98318.stgit@pasha-VirtualBox> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [RFC PATCH v4 00/23] replay additions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, peter.maydell@linaro.org, boost.lists@gmail.com, quintela@redhat.com, jasowang@redhat.com, mst@redhat.com, zuban32s@gmail.com, maria.klimushenkova@ispras.ru, dovgaluk@ispras.ru, kraxel@redhat.com, pavel.dovgaluk@ispras.ru, pbonzini@redhat.com, alex.bennee@linaro.org Accidentally sent draft version of patches to the mailing list. Please consider this one as the correct one. This set of patches includex fixes from Alex Benn=C3=A9e for fixing BQL and replay locks after inventing the MTTCG. It also includes some additional replay patches that makes this set of fixes working. It is also fixes some vmstate creation (and loading) issues in record/replay modes: - VM start/stop fixes in replay mode - overlay creation for blkreplay filter - fixes for vmstate save/load in record/replay mode - fixes for host clock vmstate There is also a set of helper scripts written by Alex Benn=C3=A9e for debugging the record/replay code. v4 changes: - removed upstreamed patches - added patch for saving async queue state in replay - minor fixes v3 changes: - removed upstreamed patches - fixed bug with recursive checkpoints - fixed bug with icount warp checkpoint v2 changes: - updated lock/unlock logic (as suggested by Paolo Bonzini) - updated cpu execution loop to avoid races in setting/resetting exit re= quest (as suggested by Paolo Bonzini) - minor changes --- Alex Benn=C3=A9e (8): target/arm/arm-powertctl: drop BQL assertions cpus: push BQL lock to qemu_*_wait_io_event cpus: only take BQL for sleeping threads replay/replay.c: bump REPLAY_VERSION again replay/replay-internal.c: track holding of replay_lock replay: make locking visible outside replay code replay: push replay_mutex_lock up the call tree scripts/replay-dump.py: replay log dumper Pavel Dovgalyuk (15): This patch adds a condition before overwriting exception_index fiel= ds. block: implement bdrv_snapshot_goto for blkreplay blkreplay: create temporary overlay for underlaying devices replay: disable default snapshot for record/replay replay: fix processing async events replay: fixed replay_enable_events replay: fix save/load vm for non-empty queue replay: added replay log format description replay: make safe vmstop at record/replay replay: save prior value of the host clock replay: don't destroy mutex at exit replay: check return values of fwrite replay: avoid recursive call of checkpoints replay: don't process async events when warping the clock replay: save vmstate of the asynchronous events accel/kvm/kvm-all.c | 4 - accel/tcg/cpu-exec.c | 5 + block/blkreplay.c | 73 +++++++++++ cpus-common.c | 13 +- cpus.c | 46 +++++-- docs/replay.txt | 91 +++++++++++++ dtc | 2=20 include/qemu/timer.h | 14 ++ include/sysemu/replay.h | 19 +++ migration/savevm.c | 13 ++ replay/replay-char.c | 21 +-- replay/replay-events.c | 73 +++++------ replay/replay-internal.c | 48 ++++++- replay/replay-internal.h | 15 ++ replay/replay-snapshot.c | 12 ++ replay/replay-time.c | 10 + replay/replay.c | 62 ++++++--- scripts/replay-dump.py | 308 +++++++++++++++++++++++++++++++++++++++= ++++++ stubs/replay.c | 16 ++ target/arm/arm-powerctl.c | 8 - target/i386/hax-all.c | 2=20 util/main-loop.c | 17 ++ util/qemu-timer.c | 12 ++ vl.c | 12 +- 24 files changed, 764 insertions(+), 132 deletions(-) create mode 100755 scripts/replay-dump.py --=20 Pavel Dovgalyuk