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tools/kvm_stat: Exempt time-based counters
The new counters halt_poll_success_ns and halt_poll_fail_ns do not count events. Instead they provide a time, and mess up our statistics. Therefore, we should exclude them. Removal is currently implemented with an exempt list. If more counters like these appear, we can think about a more general rule like excluding all fields name "*_ns", in case that's a standing convention. Signed-off-by: Stefan Raspl <raspl@linux.ibm.com> Tested-and-reported-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-Id: <20201208210829.101324-1-raspl@linux.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -742,7 +742,11 @@ class DebugfsProvider(Provider):
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The fields are all available KVM debugfs files
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The fields are all available KVM debugfs files
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"""
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"""
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return self.walkdir(PATH_DEBUGFS_KVM)[2]
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exempt_list = ['halt_poll_fail_ns', 'halt_poll_success_ns']
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fields = [field for field in self.walkdir(PATH_DEBUGFS_KVM)[2]
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if field not in exempt_list]
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return fields
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def update_fields(self, fields_filter):
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def update_fields(self, fields_filter):
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"""Refresh fields, applying fields_filter"""
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"""Refresh fields, applying fields_filter"""
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