[libvirt] [PATCH] Return error when --start <number> in cpu-stats is invalid.
Andrea Bolognani
abologna at redhat.com
Fri Apr 15 13:21:13 UTC 2016
On Fri, 2016-04-15 at 03:28 -0400, Nitesh Konkar wrote:
> Signed-off-by: Nitesh Konkar <nitkon12 at linux.vnet.ibm.com>
> ---
> # virsh cpu-stats --domain 40 --start 159
> CPU159:
> cpu_time 0.000000000 seconds
> vcpu_time 0.000000000 seconds
>
> # virsh cpu-stats --domain 40 --start 160
> Start cpu 160 larger than maximum of 159.
>
> tools/virsh-domain.c | 6 ++++++
> 1 files changed, 6 insertions(+)
>
> diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
> index 800829e..3d6b626 100644
> --- a/tools/virsh-domain.c
> +++ b/tools/virsh-domain.c
> @@ -7357,6 +7357,12 @@ cmdCPUStats(vshControl *ctl, const vshCmd *cmd)
> /* get number of cpus on the node */
> if ((max_id = virDomainGetCPUStats(dom, NULL, 0, 0, 0, 0)) < 0)
> goto failed_stats;
> +
> + if (cpu >= max_id) {
> + vshPrint(ctl, "Start cpu %d larger than maximum of %d.", cpu, max_id - 1);
> + goto cleanup;
> + }
> +
> if (show_count < 0 || show_count > max_id) {
> if (show_count > max_id)
> vshPrint(ctl, _("Only %d CPUs available to show\n"), max_id);
I've tweaked the error message a bit, switched from
vshPrint() to vshError() and pushed the patch.
Cheers.
--
Andrea Bolognani
Software Engineer - Virtualization Team
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