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From: | Wen Congyang |
Subject: | Re: [Qemu-devel] [RFC][PATCH 09/16 v6] introduce a new monitor command 'dump' to dump guest's memory |
Date: | Fri, 17 Feb 2012 17:35:45 +0800 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100413 Fedora/3.0.4-2.fc13 Thunderbird/3.0.4 |
At 02/17/2012 05:26 PM, Jan Kiszka Wrote: > On 2012-02-17 09:52, Wen Congyang wrote: >>>> +static DumpState *dump_init(int fd, Error **errp) >>>> +{ >>>> + CPUState *env; >>>> + DumpState *s = dump_get_current(); >>>> + int ret; >>>> + >>>> + vm_stop(RUN_STATE_PAUSED); >>> >>> I would save the current vm state first and restore it when finished. >> >> There is no API to get current vm state. If you want this feature, I will >> add API to get it. > > You are looking for runstate_is_running(). Yes. vm_stop() stops the vcpu only when runstate_is_running(). So I think you need to resume all vcpu after dumping is finished. Thanks Wen Congyang > > Jan >
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