[libvirt PATCH] cpu-data: Pretend to always run on logical processor #0

Jiri Denemark jdenemar at redhat.com
Fri Jan 8 17:08:25 UTC 2021

On Fri, Jan 08, 2021 at 15:43:02 +0100, Tim Wiederhake wrote:
> The output of cpuid depends on the logical processor id the process
> runs on, as reflected by the "local apic id" present in cpuid leaves
> (eax=1,ebx=0), (eax=11,ebx=0), and (eax=11,ebx=1). This produces
> arbitrary changes in the output files that complicate comparisons.
> This patch masks the occurences of the local apic id with 0x00, so
> that two consecutive runs of "./cpu-data.py gather" produce identical
> results.
> Signed-off-by: Tim Wiederhake <twiederh at redhat.com>
> ---
>  tests/cputestdata/cpu-data.py | 16 +++++++++++++++-
>  1 file changed, 15 insertions(+), 1 deletion(-)

Reviewed-by: Jiri Denemark <jdenemar at redhat.com>

and pushed. Thanks.

More information about the libvir-list mailing list