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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>
This commit is contained in:
Stefan Raspl 2017-03-10 13:40:11 +01:00 committed by Paolo Bonzini
parent 0152c20f04
commit 72187dfa8e
1 changed files with 6 additions and 0 deletions
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tools/kvm/kvm_stat/kvm_stat
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@ -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')