Thanks your advise :) and I have moved the check in qemuConnectGetAllDomainStats. And the v2: https://www.redhat.com/archives/libvir-list/2014-November/msg00069.html Thanks, Luyao Huang ----- Original Message ----- From: "Peter Krempa" <pkrempa@xxxxxxxxxx> To: "Luyao Huang" <lhuang@xxxxxxxxxx>, libvir-list@xxxxxxxxxx Sent: Tuesday, November 4, 2014 7:20:45 PM Subject: Re: [PATCH] domain: Improve error output for virDomainListGetStats On 11/04/14 07:51, Luyao Huang wrote: > When pass flags --domain and --list-* to cmdDomstats, > a unsupport error will output from qemuConnectGetAllDomainStats. > > error: unsupported flags (0x1) in function qemuConnectGetAllDomainStats > >>From manual of virsh: The approaches can't be combined. > > Improve error to: > > error: --domain and --list-* flags are mutually exclusive > > Signed-off-by: Luyao Huang <lhuang@xxxxxxxxxx> > --- > src/libvirt-domain.c | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c > index 7dc3146..6ae6dd2 100644 > --- a/src/libvirt-domain.c > +++ b/src/libvirt-domain.c > @@ -11053,6 +11053,19 @@ virDomainListGetStats(virDomainPtr *doms, > goto cleanup; > } > > + if (flags & (VIR_CONNECT_LIST_DOMAINS_ACTIVE | > + VIR_CONNECT_LIST_DOMAINS_INACTIVE | > + VIR_CONNECT_LIST_DOMAINS_PERSISTENT | > + VIR_CONNECT_LIST_DOMAINS_TRANSIENT | > + VIR_CONNECT_LIST_DOMAINS_RUNNING | > + VIR_CONNECT_LIST_DOMAINS_SHUTOFF | > + VIR_CONNECT_LIST_DOMAINS_PAUSED | > + VIR_CONNECT_LIST_DOMAINS_OTHER)) { > + virReportInvalidArg(flags, "%s", > + _("--domain and --list-* flags are mutually exclusive")); > + goto cleanup; > + } >From what I remember it was a deliberate design decision to avoid reporting this error either from virsh or the library itself so that we possibly can add the filtering later on. This should be done in the qemu driver impl of the function so that we can possibly do it later without breaking old clients > + > conn = doms[0]->conn; > virCheckConnectReturn(conn, -1); > > Peter -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list