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From: Frederic Konrad <fred.konrad@greensocs.com>
To: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: mrhines@us.ibm.com, mark.burton@greensocs.com,
	qemu-devel@nongnu.org, quintela@redhat.com
Subject: Re: [Qemu-devel] [RFC PATCH 03/12] migration: make qemu_savevm_state public.
Date: Mon, 24 Mar 2014 16:05:03 +0100	[thread overview]
Message-ID: <5330499F.2080503@greensocs.com> (raw)
In-Reply-To: <20140321195415.GD14504@work-vm>

On 21/03/2014 20:54, Dr. David Alan Gilbert wrote:
> * fred.konrad@greensocs.com (fred.konrad@greensocs.com) wrote:
>> From: KONRAD Frederic <fred.konrad@greensocs.com>
>>
>> This makes qemu_savevm_state public for reverse-execution.
> It's interesting that you're doing this repetitive snapshot;
> in some ways it's similar to Michael Hines's code for
> Fault tolerance ( http://lists.gnu.org/archive/html/qemu-devel/2014-02/msg03042.html )
>
> Dave

Hi,

Thanks for the link I missed this.

Seems mc is using live migration and we just checkpoint the whole machine.

That might be a good improvment.

Fred

>
>> Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
>> ---
>>   include/sysemu/sysemu.h | 1 +
>>   savevm.c                | 2 +-
>>   2 files changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
>> index 3915ce3..fe86615 100644
>> --- a/include/sysemu/sysemu.h
>> +++ b/include/sysemu/sysemu.h
>> @@ -78,6 +78,7 @@ void do_info_snapshots(Monitor *mon, const QDict *qdict);
>>   
>>   void qemu_announce_self(void);
>>   
>> +int qemu_savevm_state(QEMUFile *f);
>>   bool qemu_savevm_state_blocked(Error **errp);
>>   void qemu_savevm_state_begin(QEMUFile *f,
>>                                const MigrationParams *params);
>> diff --git a/savevm.c b/savevm.c
>> index d094fbb..e50b716 100644
>> --- a/savevm.c
>> +++ b/savevm.c
>> @@ -635,7 +635,7 @@ void qemu_savevm_state_cancel(void)
>>       }
>>   }
>>   
>> -static int qemu_savevm_state(QEMUFile *f)
>> +int qemu_savevm_state(QEMUFile *f)
>>   {
>>       int ret;
>>       MigrationParams params = {
>> -- 
>> 1.8.1.4
>>
>>
> --
> Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
>

  reply	other threads:[~2014-03-24 15:12 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-21 19:17 [Qemu-devel] [RFC PATCH 00/12] Reverse execution fred.konrad
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 01/12] icount: put icount variables into TimerState fred.konrad
2014-03-22  8:58   ` Paolo Bonzini
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 02/12] migration: migrate icount fields fred.konrad
2014-03-22  8:57   ` Paolo Bonzini
2014-03-24 14:49     ` Frederic Konrad
2014-03-24 15:42       ` Paolo Bonzini
2014-03-25 10:25         ` Frederic Konrad
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 03/12] migration: make qemu_savevm_state public fred.konrad
2014-03-21 19:54   ` Dr. David Alan Gilbert
2014-03-24 15:05     ` Frederic Konrad [this message]
2014-03-24 17:52       ` Dr. David Alan Gilbert
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 04/12] icount: introduce icount timer fred.konrad
2014-03-22  8:59   ` Paolo Bonzini
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 05/12] icount: check for icount clock deadline when cpu loop exits fred.konrad
2014-03-22  8:59   ` Paolo Bonzini
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 06/12] icount: make icount extra computed on icount clock as well fred.konrad
2014-03-22  9:00   ` Paolo Bonzini
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 07/12] timer: add cpu_icount_to_ns function fred.konrad
2014-03-22  9:00   ` Paolo Bonzini
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 08/12] introduce reverse execution mechanism fred.konrad
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 09/12] gdbstub: allow reverse execution in gdb stub fred.konrad
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 10/12] cpu-exec: trigger a debug request when rexec stops fred.konrad
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 11/12] cexe: synchronize icount on the next event fred.konrad
2014-03-21 19:17 ` [Qemu-devel] [RFC PATCH 12/12] cexe: allow to enable reverse execution fred.konrad

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