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tools/kvm_stat: handle SIGINT in log and batch modes

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SIGINT causes ugly unhandled exceptions in log and batch mode, which we
prevent by catching the exceptions accordingly.

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 13:40:02 +01:00 committed by Paolo Bonzini
parent 9fc0adfc42
commit dadf1e7839
1 changed files with 17 additions and 11 deletions
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28
tools/kvm/kvm_stat/kvm_stat
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@ -969,12 +969,15 @@ class Tui(object):
def batch(stats):
"""Prints statistics in a key, value format."""
s = stats.get()
time.sleep(1)
s = stats.get()
for key in sorted(s.keys()):
values = s[key]
print '%-42s%10d%10d' % (key, values[0], values[1])
try:
s = stats.get()
time.sleep(1)
s = stats.get()
for key in sorted(s.keys()):
values = s[key]
print '%-42s%10d%10d' % (key, values[0], values[1])
except KeyboardInterrupt:
pass
def log(stats):
"""Prints statistics as reiterating key block, multiple value blocks."""
@ -991,11 +994,14 @@ def log(stats):
line = 0
banner_repeat = 20
while True:
time.sleep(1)
if line % banner_repeat == 0:
banner()
statline()
line += 1
try:
time.sleep(1)
if line % banner_repeat == 0:
banner()
statline()
line += 1
except KeyboardInterrupt:
break
def get_options():
"""Returns processed program arguments."""