* [kvm-unit-tests RFC PATCH] arm64: split pmu tests into tcg/kvm variants
@ 2021-05-25 17:42 Alex Bennée
0 siblings, 0 replies; only message in thread
From: Alex Bennée @ 2021-05-25 17:42 UTC (permalink / raw)
To: kvm, linux-arm-kernel, kvmarm, christoffer.dall, maz, qemu-arm,
qemu-devel
Cc: Alex Bennée
QEMU is able to give a counter for instructions retired under TCG but
you need to enable -icount for it to work. Split the tests into
kvm/tcg variants to support this.
[AJB: I wonder if the solution is to have a totally separate
unittests.cfg for TCG mode here?]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
arm/unittests.cfg | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/arm/unittests.cfg b/arm/unittests.cfg
index adc1bbf..2c4cf41 100644
--- a/arm/unittests.cfg
+++ b/arm/unittests.cfg
@@ -66,24 +66,40 @@ file = pmu.flat
groups = pmu
extra_params = -append 'cycle-counter 0'
-[pmu-event-introspection]
+[pmu-event-introspection-kvm]
file = pmu.flat
groups = pmu
arch = arm64
+accel = kvm
extra_params = -append 'pmu-event-introspection'
+[pmu-event-introspection-tcg]
+file = pmu.flat
+groups = pmu
+arch = arm64
+accel = tcg
+extra_params = -append 'pmu-event-introspection' -icount shift=1
+
[pmu-event-counter-config]
file = pmu.flat
groups = pmu
arch = arm64
extra_params = -append 'pmu-event-counter-config'
-[pmu-basic-event-count]
+[pmu-basic-event-count-kvm]
file = pmu.flat
groups = pmu
arch = arm64
+accel = kvm
extra_params = -append 'pmu-basic-event-count'
+[pmu-basic-event-count-tcg]
+file = pmu.flat
+groups = pmu
+arch = arm64
+accel = tcg
+extra_params = -append 'pmu-basic-event-count' -icount shift=1
+
[pmu-mem-access]
file = pmu.flat
groups = pmu
--
2.20.1
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2021-05-25 17:42 [kvm-unit-tests RFC PATCH] arm64: split pmu tests into tcg/kvm variants Alex Bennée
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