selftests: forwarding: Increase maximum deviation in multipath test
We sometimes observe failures in the test due to too large discrepancy between the measured and expected ratios. For example: TEST: ECMP [FAIL] Too large discrepancy between expected and measured ratios INFO: Expected ratio 1.00 Measured ratio 1.11 Fix this by allowing an up to 15% deviation between both ratios. Another possibility is to increase the number of generated flows, but this will prolong the execution time of the test, which is already quite high. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -191,7 +191,7 @@ multipath_eval()
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diff=$(echo $weights_ratio - $packets_ratio | bc -l)
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diff=${diff#-}
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test "$(echo "$diff / $weights_ratio > 0.1" | bc -l)" -eq 0
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test "$(echo "$diff / $weights_ratio > 0.15" | bc -l)" -eq 0
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check_err $? "Too large discrepancy between expected and measured ratios"
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log_test "$desc"
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log_info "Expected ratio $weights_ratio Measured ratio $packets_ratio"
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