From: Paolo Bonzini <pbonzini@redhat.com>
To: Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru>, qemu-devel@nongnu.org
Cc: kwolf@redhat.com, wrampazz@redhat.com, ehabkost@redhat.com,
alex.bennee@linaro.org, mtosatti@redhat.com, armbru@redhat.com,
mreitz@redhat.com, stefanha@redhat.com, crosa@redhat.com,
philmd@redhat.com, zhiwei_liu@c-sky.com, rth@twiddle.net
Subject: Re: [PATCH v4 00/15] Reverse debugging
Date: Sun, 20 Sep 2020 09:58:06 +0200 [thread overview]
Message-ID: <ad338011-6abf-7833-6553-cf724b4fb23d@redhat.com> (raw)
In-Reply-To: <160006358590.31457.16757371597343007847.stgit@pasha-ThinkPad-X280>
On 14/09/20 08:06, Pavel Dovgalyuk wrote:
> GDB remote protocol supports reverse debugging of the targets.
> It includes 'reverse step' and 'reverse continue' operations.
> The first one finds the previous step of the execution,
> and the second one is intended to stop at the last breakpoint that
> would happen when the program is executed normally.
>
> Reverse debugging is possible in the replay mode, when at least
> one snapshot was created at the record or replay phase.
> QEMU can use these snapshots for travelling back in time with GDB.
I had queued this, it is a very nice patch series. Unfortunately, the
tests failed on gitlab:
https://gitlab.com/bonzini/qemu/-/jobs/745795080
Paolo
next prev parent reply other threads:[~2020-09-20 7:59 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-14 6:06 [PATCH v4 00/15] Reverse debugging Pavel Dovgalyuk
2020-09-14 6:06 ` [PATCH v4 01/15] replay: don't record interrupt poll Pavel Dovgalyuk
2020-09-14 6:06 ` [PATCH v4 02/15] replay: provide an accessor for rr filename Pavel Dovgalyuk
2020-09-14 6:06 ` [PATCH v4 03/15] qcow2: introduce icount field for snapshots Pavel Dovgalyuk
2020-09-14 6:06 ` [PATCH v4 04/15] migration: " Pavel Dovgalyuk
2020-09-14 6:06 ` [PATCH v4 05/15] qapi: introduce replay.json for record/replay-related stuff Pavel Dovgalyuk
2020-09-14 6:07 ` [PATCH v4 06/15] replay: introduce info hmp/qmp command Pavel Dovgalyuk
2020-09-14 6:07 ` [PATCH v4 07/15] replay: introduce breakpoint at the specified step Pavel Dovgalyuk
2020-09-14 6:07 ` [PATCH v4 08/15] replay: implement replay-seek command Pavel Dovgalyuk
2020-09-14 6:07 ` [PATCH v4 09/15] replay: flush rr queue before loading the vmstate Pavel Dovgalyuk
2020-09-14 6:07 ` [PATCH v4 10/15] gdbstub: add reverse step support in replay mode Pavel Dovgalyuk
2020-09-14 6:07 ` [PATCH v4 11/15] gdbstub: add reverse continue " Pavel Dovgalyuk
2020-09-14 6:07 ` [PATCH v4 12/15] replay: describe reverse debugging in docs/replay.txt Pavel Dovgalyuk
2020-09-14 6:07 ` [PATCH v4 13/15] docs: convert replay.txt to rst Pavel Dovgalyuk
2020-09-14 6:07 ` [PATCH v4 14/15] replay: create temporary snapshot at debugger connection Pavel Dovgalyuk
2020-09-14 6:07 ` [PATCH v4 15/15] tests/acceptance: add reverse debugging test Pavel Dovgalyuk
2020-09-20 7:58 ` Paolo Bonzini [this message]
2020-09-21 6:03 ` [PATCH v4 00/15] Reverse debugging Pavel Dovgalyuk
2020-09-21 6:24 ` Pavel Dovgalyuk
2020-09-21 6:48 ` Pavel Dovgalyuk
2020-09-21 7:20 ` Philippe Mathieu-Daudé
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