On Tue, Jun 07, 2011 at 10:09:15AM +0900, Minoru Usui wrote:
> virNodeGetMemoryStats: Implement virsh support
>
> Signed-off-by: Minoru Usui <usui@xxxxxxxxxxxxxxxxx>
> ---
> tools/virsh.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> tools/virsh.pod | 5 ++++
> 2 files changed, 67 insertions(+), 0 deletions(-)
>
> diff --git a/tools/virsh.c b/tools/virsh.c
> index 2fbc91a..c419be9 100644
> --- a/tools/virsh.c
> +++ b/tools/virsh.c
> @@ -3815,6 +3815,67 @@ cmdNodeCPUStats(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED)
> }
>
> /*
> + * "nodememstats" command
> + */
> +static const vshCmdInfo info_nodememstats[] = {
> + {"help", N_("Prints memory stats of the node.")},
> + {"desc", N_("Returns memory stats of the node.(KB)")},
> + {NULL, NULL}
> +};
> +
> +static const vshCmdOptDef opts_node_memstats[] = {
> + {"cell", VSH_OT_INT, 0, N_("prints specified cell statistics only.")},
> + {NULL, 0, 0, NULL}
> +};
> +
> +static bool
> +cmdNodememstats(vshControl * ctl, const vshCmd * cmd ATTRIBUTE_UNUSED)
> +{
> + int nparams = 0;
> + unsigned int i = 0;
> + int cellNum = VIR_MEMORY_STATS_ALL_CELLS;
> + virMemoryStatsPtr params = NULL;
> + bool ret = false;
> +
> + if (!vshConnectionUsability(ctl, ctl->conn))
> + return false;
> +
> + if (vshCommandOptInt(cmd, "cell", &cellNum) < 0) {
> + vshError(ctl, "%s", _("Invalid value of cellNum"));
> + return false;
> + }
> +
> + /* get the number of memory parameters */
> + if (virNodeGetMemoryStats(ctl->conn, cellNum, NULL, &nparams, 0) != 0) {
> + vshError(ctl, "%s",
> + _("Unable to get number of memory stats"));
> + goto cleanup;
> + }
> +
> + if (nparams == 0) {
> + /* nothing to output */
> + ret = true;
> + goto cleanup;
> + }
> +
> + /* now go get all the memory parameters */
> + params = vshCalloc(ctl, nparams, sizeof(*params));
> + if (virNodeGetMemoryStats(ctl->conn, cellNum, params, &nparams, 0) != 0) {
> + vshError(ctl, "%s", _("Unable to get memory stats"));
> + goto cleanup;
> + }
> +
> + for (i = 0; i < nparams; i++)
> + vshPrint(ctl, "%-7s: %20llu kB\n", params[i].field, params[i].value);
> +
> + ret = true;
> +
> + cleanup:
> + VIR_FREE(params);
> + return ret;
> +}
> +
> +/*
> * "capabilities" command
> */
> static const vshCmdInfo info_capabilities[] = {
> @@ -11427,6 +11488,7 @@ static const vshCmdDef hostAndHypervisorCmds[] = {
> {"hostname", cmdHostname, NULL, info_hostname, 0},
> {"nodeinfo", cmdNodeinfo, NULL, info_nodeinfo, 0},
> {"nodecpustats", cmdNodeCPUStats, opts_node_cpustats, info_nodecpustats},
> + {"nodememstats", cmdNodememstats, opts_node_memstats, info_nodememstats, 0},
> {"qemu-monitor-command", cmdQemuMonitorCommand, opts_qemu_monitor_command,
> info_qemu_monitor_command, 0},
> {"sysinfo", cmdSysinfo, NULL, info_sysinfo, 0},
> diff --git a/tools/virsh.pod b/tools/virsh.pod
> index ade4eab..1556765 100644
> --- a/tools/virsh.pod
> +++ b/tools/virsh.pod
> @@ -244,6 +244,11 @@ If I<--cpu> is specified, this will prints specified cpu statistics only.
> If I<--percent> is specified, this will prints percentage of each kind of cpu
> statistics during 1 second.
>
> +=item B<nodememstats> optional I<--cell>
> +
> +Returns memory stats of the node.
> +If I<--cell> is specified, this will prints specified cell statistics only.
> +
> =item B<capabilities>
>
> Print an XML document describing the capabilities of the hypervisor
ACK
Daniel
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