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| author |   Oliver Upton <oliver.upton@linux.dev> | 2023-10-26 20:53:06 +0000 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2023-10-30 20:17:22 +0000 |
| commit | d11974dc5f208ae1c0fe62a9bcb47c0cdcd7b081 (patch) | |
| tree | 04c86b9135e06c5901f49947690115ba33ef215c /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | KVM: arm64: selftest: Perform ISB before reading PAR_EL1 (diff) | |
| download | wireguard-linux-d11974dc5f208ae1c0fe62a9bcb47c0cdcd7b081.tar.xz wireguard-linux-d11974dc5f208ae1c0fe62a9bcb47c0cdcd7b081.zip | |
KVM: arm64: Add tracepoint for MMIO accesses where ISV==0
It is a pretty well known fact that KVM does not support MMIO emulation
without valid instruction syndrome information (ESR_EL2.ISV == 0). The
current kvm_pr_unimpl() is pretty useless, as it contains zero context
to relate the event to a vCPU.
Replace it with a precise tracepoint that dumps the relevant context
so the user can make sense of what the guest is doing.
Acked-by: Zenghui Yu <yuzenghui@huawei.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20231026205306.3045075-1-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions