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tools/kvm_stat: stop ignoring unhandled arguments

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Unhandled arguments, which could easily include typos, are simply
ignored. We should be strict to avoid undetected typos.
To reproduce start kvm_stat with an extra argument, e.g.
'kvm_stat -d bnuh5ol' and note that this will actually work.

Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Stefan Raspl 2017-12-11 12:25:27 +01:00 committed by Paolo Bonzini
parent 822cfe3e48
commit 73fab6ffbd
1 changed files with 3 additions and 1 deletions
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tools/kvm/kvm_stat/kvm_stat
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@ -1517,7 +1517,9 @@ Press any other key to refresh statistics immediately.
help='restrict statistics to guest by name',
callback=cb_guest_to_pid,
)
(options, _) = optparser.parse_args(sys.argv)
options, unkn = optparser.parse_args(sys.argv)
if len(unkn) != 1:
sys.exit('Error: Extra argument(s): ' + ' '.join(unkn[1:]))
try:
# verify that we were passed a valid regex up front
re.compile(options.fields)