Re: [PATCH] virsh: remove unnecessary sleep for nodecpustats --percent

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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@xxxxxxxxxxxxxxxxxx>
---
  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
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