On Wed, Mar 12, 2014 at 05:18:22PM +0000, Daniel P. Berrange wrote: > On Thu, Mar 06, 2014 at 09:35:47AM +0000, [email protected] wrote: > > This patch is used to add "--compress" and "[--compression-format] > > <string>" to > > "virsh dump --memory-only". And "virsh dump --memory-only" is going be > > implemented by new virDomainCoreDumpWithFormat API. > > > > Signed-off-by: Qiao Nuohan <[email protected]> > > --- > > tools/virsh-domain.c | 45 ++++++++++++++++++++++++++++++++++++++++++++- > > 1 file changed, 44 insertions(+), 1 deletion(-) > > > > diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c > > index 2e3f0ed..70613e5 100644 > > --- a/tools/virsh-domain.c > > +++ b/tools/virsh-domain.c > > @@ -4486,6 +4486,14 @@ static const vshCmdOptDef opts_dump[] = { > > .type = VSH_OT_BOOL, > > .help = N_("dump domain's memory only") > > }, > > + {.name = "compress", > > + .type = VSH_OT_BOOL, > > + .help = N_("make qemu dump domain's memory in kdump-compressed > > format") > > + }, > > + {.name = "compression-format", > > + .type = VSH_OT_DATA, > > + .help = N_("specify the compression format of kdump-compressed > > format") > > + }, > > As before, IMHO having two args here is silly. Just have a > single '--compress format' arg. >
I'm fine with having one param only, I don't know about the author,
though. I also proposed '--compress' as an alias which should be good
compromise IMHO.
> > @@ -4524,7 +4535,39 @@ doDump(void *opaque)
> > if (vshCommandOptBool(cmd, "memory-only"))
> > flags |= VIR_DUMP_MEMORY_ONLY;
> >
> > - if (virDomainCoreDump(dom, to, flags) < 0) {
>
> [snip]
>
> > + if (virDomainCoreDumpWithFormat(dom, to, memory_dump_format, flags) <
> > 0) {
>
> This breaks virsh dump if used against an older libvirtd.
>
> We must *only* invoke virDomainCoreDumpWithFormat if the user
> has specified a 'memory_dump_format' value
>
That's right, I forgot that. That should be definitely checked for
and it must properly error out.
Martin
>
> Regards,
> Daniel
> --
> |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :|
> |: http://libvirt.org -o- http://virt-manager.org :|
> |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
> |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
signature.asc
Description: Digital signature
-- libvir-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/libvir-list
