From 66f2e8203e1d29f8ec656f5e333dbc1f13229f9f Mon Sep 17 00:00:00 2001
From: David Hildenbrand <david@redhat.com>
Date: Tue, 17 Oct 2017 19:15:36 +0200
Subject: [PATCH 31/69] tools/kvm_stat: remove pid filter on empty input
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RH-Author: David Hildenbrand <david@redhat.com>
Message-id: <20171017191605.2378-11-david@redhat.com>
Patchwork-id: 77320
O-Subject: [RHEL-7.5 qemu-kvm-rhev PATCH 10/39] tools/kvm_stat: remove pid filter on empty input
Bugzilla: 1497137
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Thomas Huth <thuth@redhat.com>

Upstream-status: linux.git be03ea3b77387db36617d71d60ee182a866fb9cd

commit be03ea3b77387db36617d71d60ee182a866fb9cd
Author: Stefan Raspl <raspl@linux.vnet.ibm.com>
Date:   Fri Mar 10 13:40:09 2017 +0100

    tools/kvm_stat: remove pid filter on empty input

    Improve consistency in the interactive dialogue for pid filtering by
    removing any filters on empty input (in addition to entering 0).

    Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
    Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
    Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
    Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 scripts/kvm/kvm_stat | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat
index 95ffa9a..9e9eb98 100755
--- a/scripts/kvm/kvm_stat
+++ b/scripts/kvm/kvm_stat
@@ -991,10 +991,13 @@ class Tui(object):
             curses.noecho()
 
             try:
-                pid = int(pid)
-                if pid != 0 and not os.path.isdir(os.path.join('/proc/',
-                                                               str(pid))):
-                    continue
+                if len(pid) > 0:
+                    pid = int(pid)
+                    if pid != 0 and not os.path.isdir(os.path.join('/proc/',
+                                                                   str(pid))):
+                        continue
+                else:
+                    pid = 0
                 self.refresh_header(pid)
                 self.update_pid(pid)
                 break
-- 
1.8.3.1