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The old stats contain information not available in the tracepoints.
By default, keep the old behavior, but allow choosing which set of stats
to present, or even both.
Inspired by a patch from Marcelo Tosatti.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Correct sys_perf_event_open syscall number for s390 architecture
- the hardcoded syscall number 298 is for x86 but should
be different for other architectures.
In case we figure out via /proc/cpuinfo that we are running
on s390 the appropriate syscall number is used from map
syscall_numbers; other architectures can extend this.
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Add s390_exit_reasons so kvm_stat doesn't crash when called on s390.
Look for 'vendor_id' in /proc/cpuinfo as well, instead of just for
'flags', so we can determine if we run on S390.
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Taken from original qemu-kvm/kvm/kvm_stat.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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