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-rwxr-xr-xtools/kvm/kvm_stat/kvm_stat3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index 4e0f282c5289..08f842238c32 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -1176,6 +1176,7 @@ class Tui(object):
Asks for a valid regex and sets the fields filter accordingly.
"""
+ msg = ''
while True:
self.screen.erase()
self.screen.addstr(0, 0,
@@ -1184,6 +1185,7 @@ class Tui(object):
self.screen.addstr(2, 0,
"Current regex: {0}"
.format(self.stats.fields_filter))
+ self.screen.addstr(5, 0, msg)
self.screen.addstr(3, 0, "New regex: ")
curses.echo()
regex = self.screen.getstr().decode(ENCODING)
@@ -1198,6 +1200,7 @@ class Tui(object):
self.refresh_header()
return
except re.error:
+ msg = '"' + regex + '": Not a valid regular expression'
continue
def show_vm_selection_by_pid(self):