[libvirt] [PATCH] virsh: remove unnecessary sleep for nodecpustats --percent
Viktor Mihajlovski
mihajlov at linux.vnet.ibm.com
Fri Jul 13 10:25:30 UTC 2012
On 07/13/2012 11:32 AM, Michal Privoznik wrote:
> On 13.07.2012 09:50, Viktor Mihajlovski wrote:
>> Fix for a minor issue:
>> the sleep(1) statement was called twice,
>> effectively doubling the elapsed time
>> execution "virsh nodecpustats --percent".
>>
>> Signed-off-by: Viktor Mihajlovski<mihajlov at linux.vnet.ibm.com>
>> ---
>> tools/virsh.c | 11 +++++------
>> 1 files changed, 5 insertions(+), 6 deletions(-)
>>
>> diff --git a/tools/virsh.c b/tools/virsh.c
>> index 01e7ce0..767e2fc 100644
>> --- a/tools/virsh.c
>> +++ b/tools/virsh.c
>> @@ -6840,8 +6840,10 @@ cmdNodeCpuStats(vshControl *ctl, const vshCmd *cmd)
>> memset(cpu_stats, 0, sizeof(cpu_stats));
>> params = vshCalloc(ctl, nparams, sizeof(*params));
>>
>> - i = 0;
>> - do {
>> + for (i=0; i<2; i++) {
>
> We keep spaces around operators (except increment, decrement and unary minus). So this should be:
> for (i = 0; i< 2; i++) {
> and so forth.
>
>> + if (i>0)
>> + sleep(1);
>> +
>> if (virNodeGetCPUStats(ctl->conn, cpuNum, params,&nparams, 0) != 0) {
>> vshError(ctl, "%s", _("Unable to get node cpu stats"));
>> goto cleanup;
>> @@ -6866,10 +6868,7 @@ cmdNodeCpuStats(vshControl *ctl, const vshCmd *cmd)
>>
>> if (flag_utilization || !flag_percent)
>> break;
>> -
>> - i++;
>> - sleep(1);
>> - } while (i< 2);
>> + }
>>
>> if (!flag_percent) {
>> if (!flag_utilization) {
>>
>
> However, fixed, ACKed and pushed:
>
> diff --git a/tools/virsh.c b/tools/virsh.c
> index c103e24..f9fe4b1 100644
> --- a/tools/virsh.c
> +++ b/tools/virsh.c
> @@ -6840,8 +6840,8 @@ cmdNodeCpuStats(vshControl *ctl, const vshCmd *cmd)
> memset(cpu_stats, 0, sizeof(cpu_stats));
> params = vshCalloc(ctl, nparams, sizeof(*params));
>
> - for (i=0; i<2; i++) {
> - if (i>0)
> + for (i = 0; i< 2; i++) {
> + if (i> 0)
> sleep(1);
>
> if (virNodeGetCPUStats(ctl->conn, cpuNum, params,&nparams, 0) != 0) {
>
>
>
> Michal
>
Hi Michal,
thanks (once more) for fixing up my patch. The missing spaces escaped me
when doing the up-front review, which is kind of embarrassing.
--
Mit freundlichen Grüßen/Kind Regards
Viktor Mihajlovski
IBM Deutschland Research & Development GmbH
Vorsitzender des Aufsichtsrats: Martin Jetter
Geschäftsführung: Dirk Wittkopp
Sitz der Gesellschaft: Böblingen
Registergericht: Amtsgericht Stuttgart, HRB 243294
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