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From: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
To: qemu-devel@nongnu.org
Cc: kwolf@redhat.com, peter.maydell@linaro.org, war2jordan@live.com,
	crosthwaite.peter@gmail.com, boost.lists@gmail.com,
	quintela@redhat.com, ciro.santilli@gmail.com,
	jasowang@redhat.com, mst@redhat.com, zuban32s@gmail.com,
	armbru@redhat.com, maria.klimushenkova@ispras.ru,
	dovgaluk@ispras.ru, kraxel@redhat.com, pavel.dovgaluk@ispras.ru,
	thomas.dullien@googlemail.com, pbonzini@redhat.com,
	mreitz@redhat.com, alex.bennee@linaro.org, dgilbert@redhat.com,
	rth@twiddle.net
Subject: [Qemu-devel] [PATCH v4 11/19] replay: flush events when exiting
Date: Mon, 28 May 2018 10:14:35 +0300	[thread overview]
Message-ID: <20180528071435.9424.22886.stgit@pasha-VirtualBox> (raw)
In-Reply-To: <20180528071332.9424.27343.stgit@pasha-VirtualBox>

This patch adds events processing when emulation finishes instead
of just cleaning the queue. Now the bdrv coroutines will be in consistent
state when emulator closes. It allows correct polling of the block layer
at exit.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
---
 replay/replay-events.c   |   14 +-------------
 replay/replay-internal.h |    2 --
 2 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/replay/replay-events.c b/replay/replay-events.c
index 707de38..0964a82 100644
--- a/replay/replay-events.c
+++ b/replay/replay-events.c
@@ -94,18 +94,6 @@ void replay_disable_events(void)
     }
 }
 
-void replay_clear_events(void)
-{
-    g_assert(replay_mutex_locked());
-
-    while (!QTAILQ_EMPTY(&events_list)) {
-        Event *event = QTAILQ_FIRST(&events_list);
-        QTAILQ_REMOVE(&events_list, event, events);
-
-        g_free(event);
-    }
-}
-
 /*! Adds specified async event to the queue */
 void replay_add_event(ReplayAsyncEventKind event_kind,
                       void *opaque,
@@ -308,7 +296,7 @@ void replay_init_events(void)
 void replay_finish_events(void)
 {
     events_enabled = false;
-    replay_clear_events();
+    replay_flush_events();
 }
 
 bool replay_events_enabled(void)
diff --git a/replay/replay-internal.h b/replay/replay-internal.h
index 34d19eb..a2221e5 100644
--- a/replay/replay-internal.h
+++ b/replay/replay-internal.h
@@ -148,8 +148,6 @@ void replay_init_events(void);
 void replay_finish_events(void);
 /*! Flushes events queue */
 void replay_flush_events(void);
-/*! Clears events list before loading new VM state */
-void replay_clear_events(void);
 /*! Returns true if there are any unsaved events in the queue */
 bool replay_has_events(void);
 /*! Saves events from queue into the file */

  parent reply	other threads:[~2018-05-28  7:14 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-28  7:13 [Qemu-devel] [PATCH v4 00/19] reverse debugging Pavel Dovgalyuk
2018-05-28  7:13 ` [Qemu-devel] [PATCH v4 01/19] block: implement bdrv_snapshot_goto for blkreplay Pavel Dovgalyuk
2018-05-28  7:13 ` [Qemu-devel] [PATCH v4 02/19] replay: disable default snapshot for record/replay Pavel Dovgalyuk
2018-05-28  7:13 ` [Qemu-devel] [PATCH v4 03/19] replay: update docs for record/replay with block devices Pavel Dovgalyuk
2018-05-28  7:13 ` [Qemu-devel] [PATCH v4 04/19] replay: don't drain/flush bdrv queue while RR is working Pavel Dovgalyuk
2018-05-28  7:14 ` [Qemu-devel] [PATCH v4 05/19] replay: finish record/replay before closing the disks Pavel Dovgalyuk
2018-05-28  7:14 ` [Qemu-devel] [PATCH v4 06/19] qcow2: introduce icount field for snapshots Pavel Dovgalyuk
2018-05-28  7:14 ` [Qemu-devel] [PATCH v4 07/19] migration: " Pavel Dovgalyuk
2018-05-28  7:14 ` [Qemu-devel] [PATCH v4 08/19] replay: introduce info hmp/qmp command Pavel Dovgalyuk
2018-05-28  7:14 ` [Qemu-devel] [PATCH v4 09/19] replay: introduce breakpoint at the specified step Pavel Dovgalyuk
2018-05-28  7:14 ` [Qemu-devel] [PATCH v4 10/19] replay: implement replay-seek command to proceed to the desired step Pavel Dovgalyuk
2018-05-28  7:14 ` Pavel Dovgalyuk [this message]
2018-05-28  7:14 ` [Qemu-devel] [PATCH v4 12/19] timer: remove replay clock probe in deadline calculation Pavel Dovgalyuk
2018-05-28  7:14 ` [Qemu-devel] [PATCH v4 13/19] replay: refine replay-time module Pavel Dovgalyuk
2018-05-28  7:14 ` [Qemu-devel] [PATCH v4 14/19] translator: fix breakpoint processing Pavel Dovgalyuk
2018-05-28  7:14 ` [Qemu-devel] [PATCH v4 15/19] replay: flush rr queue before loading the vmstate Pavel Dovgalyuk
2018-05-28  7:15 ` [Qemu-devel] [PATCH v4 16/19] gdbstub: add reverse step support in replay mode Pavel Dovgalyuk
2018-05-28  7:15 ` [Qemu-devel] [PATCH v4 17/19] gdbstub: add reverse continue " Pavel Dovgalyuk
2018-05-28  7:15 ` [Qemu-devel] [PATCH v4 18/19] replay: describe reverse debugging in docs/replay.txt Pavel Dovgalyuk
2018-05-28  7:15 ` [Qemu-devel] [PATCH v4 19/19] replay: allow loading any snapshots before recording Pavel Dovgalyuk
2018-06-04  6:43 ` [Qemu-devel] [PATCH v4 00/19] reverse debugging Pavel Dovgalyuk
2018-06-04 15:26   ` Alex Bennée
2018-06-05  5:27     ` Pavel Dovgalyuk
2018-06-05  8:01       ` Alex Bennée
2018-06-05  8:47       ` Alex Bennée
2018-06-05  9:24         ` Pavel Dovgalyuk
2018-06-05 14:55           ` Alex Bennée
2018-06-06  6:55             ` Pavel Dovgalyuk
2018-06-25  6:08             ` Pavel Dovgalyuk
2018-06-27 17:50               ` Alex Bennée

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