From a0c6451760d3bae225d4cd4e152d862c6e76673e Mon Sep 17 00:00:00 2001
From: David Hildenbrand <david@redhat.com>
Date: Tue, 17 Oct 2017 19:15:38 +0200
Subject: [PATCH 33/69] tools/kvm_stat: display regex when set to non-default
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RH-Author: David Hildenbrand <david@redhat.com>
Message-id: <20171017191605.2378-13-david@redhat.com>
Patchwork-id: 77319
O-Subject: [RHEL-7.5 qemu-kvm-rhev PATCH 12/39] tools/kvm_stat: display regex when set to non-default
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 72187dfa8e2686b748ad7485d0ca59ba993ba526

commit 72187dfa8e2686b748ad7485d0ca59ba993ba526
Author: Stefan Raspl <raspl@linux.vnet.ibm.com>
Date:   Fri Mar 10 13:40:11 2017 +0100

    tools/kvm_stat: display regex when set to non-default

    If a user defines a regex filter through the interactive command, display
    the active regex in the header's second line.

    Signed-off-by: Stefan Raspl <raspl@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 | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat
index ced0cb9..af70717 100755
--- a/scripts/kvm/kvm_stat
+++ b/scripts/kvm/kvm_stat
@@ -835,6 +835,7 @@ NUMBER_WIDTH = 10
 DELAY_INITIAL = 0.25
 DELAY_REGULAR = 3.0
 MAX_GUEST_NAME_LEN = 48
+MAX_REGEX_LEN = 44
 
 
 class Tui(object):
@@ -905,6 +906,11 @@ class Tui(object):
                                .format(pid, gname), curses.A_BOLD)
         else:
             self.screen.addstr(0, 0, 'kvm statistics - summary', curses.A_BOLD)
+        if self.stats.fields_filter and self.stats.fields_filter != '^[^\(]*$':
+            regex = self.stats.fields_filter
+            if len(regex) > MAX_REGEX_LEN:
+                regex = regex[:MAX_REGEX_LEN] + '...'
+            self.screen.addstr(1, 17, 'regex filter: {0}'.format(regex))
         self.screen.addstr(2, 1, 'Event')
         self.screen.addstr(2, 1 + LABEL_WIDTH + NUMBER_WIDTH -
                            len('Total'), 'Total')
-- 
1.8.3.1