From: Stefan Raspl <raspl@linux.vnet.ibm.com>
Date: Wed, 7 Jun 2017 19:08:35 +0000 (+0200)
Subject: tools/kvm_stat: display message indicating lack of events
X-Git-Tag: v4.13-rc1~131^2~31
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5725393764a342b6a5420fdd10184984ca08b5f6;p=karo-tx-linux.git

tools/kvm_stat: display message indicating lack of events

Give users some indication on the reason why no data is displayed on the
screen yet.

Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index 53dcd406e9d6..790fbce95bd6 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -1013,6 +1013,8 @@ class Tui(object):
                                    (key, values[0], values[0] * 100 / total,
                                     cur))
             row += 1
+        if row == 3:
+            self.screen.addstr(4, 1, 'No matching events reported yet')
         self.screen.refresh()
 
     def show_filter_selection(self):