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File 0023-tools-kvm_stat-fix-missing-field-update-after-filter.patch of Package kvm_stat

From 7349fc2723704fe22e81efcdc5aaaa5731a5b22f Mon Sep 17 00:00:00 2001
From: Stefan Raspl <stefan.raspl@de.ibm.com>
Date: Mon, 11 Dec 2017 12:25:21 +0100
Subject: [PATCH 23/43] tools/kvm_stat: fix missing field update after filter
 change

When updating the fields filter, tracepoint events of fields previously
not visible were not enabled, as TracepointProvider.update_fields()
updated the member variable directly instead of using the setter, which
triggers the event enable/disable.
To reproduce, run 'kvm_stat -f kvm_exit', press 'c' to remove the
filter, and notice that no add'l fields that do not match the regex
'kvm_exit' will appear.
This issue was introduced by commit c469117df059 ("tools/kvm_stat:
simplify initializers").

Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 67c162b0892ac481e47bef06d9c6231ee993843a)
[FL: FATE#325017]
Signed-off-by: Fei Li <fli@suse.com>
---
 tools/kvm/kvm_stat/kvm_stat | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index f0beda705072..1494113df827 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -549,8 +549,8 @@ class TracepointProvider(Provider):
 
     def update_fields(self, fields_filter):
         """Refresh fields, applying fields_filter"""
-        self._fields = [field for field in self.get_available_fields()
-                        if self.is_field_wanted(fields_filter, field)]
+        self.fields = [field for field in self.get_available_fields()
+                       if self.is_field_wanted(fields_filter, field)]
 
     @staticmethod
     def get_online_cpus():
-- 
2.12.3