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KVM: arm64: selftests: Add arch_timer test

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Add a KVM selftest to validate the arch_timer functionality.
Primarily, the test sets up periodic timer interrupts and
validates the basic architectural expectations upon its receipt.

The test provides command-line options to configure the period
of the timer, number of iterations, and number of vCPUs.

Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211007233439.1826892-15-rananta@google.com
This commit is contained in:
Raghavendra Rao Ananta
2021-10-07 23:34:38 +00:00
committed by Marc Zyngier
parent 250b8d6cb3
commit 4959d8650e
3 changed files with 368 additions and 0 deletions
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tools/testing/selftests/kvm/.gitignore vendored
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@@ -1,4 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only
/aarch64/arch_timer
/aarch64/debug-exceptions
/aarch64/get-reg-list
/aarch64/psci_cpu_on_test