On Tue, Jun 14, 2016 at 1:04 PM, Wei Liu <wei.l...@citrix.com> wrote:
> On Tue, Jun 14, 2016 at 10:51:33AM +0430, sepanta s wrote: > > On Mon, Jun 13, 2016 at 12:59 PM, Wei Liu <wei.l...@citrix.com> wrote: > > > > > On Sun, Jun 12, 2016 at 02:37:29PM +0430, sepanta s wrote: > > > > Hi, > > > > > > > > how to does MEM_SHARING_DEBUG works in xen ? > > > > This function is located at and its internal structure is > > > > xen/arch/x86/mm/mem_sharing.c > > > > < > > > > https://github.com/mirage/xen/blob/a6f2cdb633bf519244a16674031b8034b581ba7f/xen/arch/x86/mm/mem_sharing.c > > > > > > > > debugtrace_printk("*mem_sharing_debug*: %s(): " _f, __func__, ##_a) > > > > , so where the logs are being saved? > > > > > > From reading the code it can be configured to go to the hypervisor > > > console. You then can use xl dmesg to view it. > > > > > > Should I change the mem_debug_share to printk you mean? > > No. I think the output can go to console if you configure it properly. > > how can I configure it ? > You can change that to printk if you want to, but I don't think that's > absolutely necessary. > > dmesg buffer is limited and I miss some debugging info. > > > > > > > Note that you need to have a debug hypervisor to have debugtrace > > > support. Then you can use xl debug-keys T to toggle whether the output > > > goes to console directly or goes to internal buffer. > > > > > > I have enabled debugging in xen as I changed debug:= y in Config.mk. > > But after compilation and reboot, when I select booting from xen > hypervisor > > in the grub menu, my ubuntu goes beyond the initialzing ram and then it > > reboots. > > Am I missing something? > > > > I don't think it is related to MEM_SHARING_DEBUG. > > no it is not related to MEM_SHARING_DEBUG, I think it is because of compiling xen in debug mode. > Wei. > > > Wei. > > > > > > > _______________________________________________ > > > > Xen-devel mailing list > > > > Xen-devel@lists.xen.org > > > > http://lists.xen.org/xen-devel > > > > > > > > > _______________________________________________ > > Xen-devel mailing list > > Xen-devel@lists.xen.org > > http://lists.xen.org/xen-devel > >
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