Rodrigo Arias
c847ec19ad
Ensure we can call nosv_yield in a loop without generating a lot of events when using the level 3 instrumentation level. Noisy events are now moved to level 4, so they shouldn't appear on the trace. Additionally, make sure that the noisy events appear on level 4.
31 lines
673 B
Bash
31 lines
673 B
Bash
target=$OVNI_TEST_BIN
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# We will set our own
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unset NOSV_CONFIG
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unset NOSV_CONFIG_OVERRIDE
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export NOSV_APPID=1
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cat > nosv.toml << EOF
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instrumentation.version = "ovni"
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ovni.level = 3
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EOF
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$target
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. ./vars.sh
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# We need to sort the trace as it has unsorted regions
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ovnisort ovni
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# Ensure that we don't find any noisy events by using the limit of 5% of
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# nosv_yield calls. It is fine if some events don't appear.
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ovnitop ovni | awk -v n=$nyields \
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'/^V(AY|Ay|Sh|Sf|S\[|S\]|SN|Sn|Pr|Pp)/ { \
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if ($2 < 0.05 * n) { print $0, "OK" }
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else { print $0, "BAD"; bad++ }
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} END { if (bad != 0) { exit 1 } }'
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# Perform the emulation with breakdown enabled
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ovniemu -b ovni
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