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cpu_quota.run: be more tolerant on QEMU in general

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As we may run several tests on the same CPU in paralell,
we have to consider more inconsistency in timing.
This commit is contained in:
Martin Stein 2017-11-24 13:48:18 +01:00 committed by Christian Helmuth
parent adfb1a77e2
commit 96fa3ef28c
1 changed files with 6 additions and 6 deletions
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12
repos/os/run/cpu_quota.run
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@ -142,10 +142,10 @@ proc check_counter { name opt cnt total_cnt } {
set is 0
#
# Zynq is currently tested merely in Qemu and most likely because of
# that, the results are less precise.
# As we test on QEMU possibly paralell to other activities on the same CPU
# we have to consider inconsistencies in timing.
#
if {[have_spec zynq]} { set tol 0.03 }
if {[have_include "power_on/qemu"]} { set tol 0.03 }
#
# FIXME: There is no reasonable explanation by now why the test results
@ -238,7 +238,7 @@ set total_cnt [expr $fast_a_cnt + $midl_a_cnt + $slow_a_cnt + $fast_b_cnt + $mid
# A 5.0 % claim + 5.0 % fill = 10 %
# Total
# A 3/4 * 3 + 1/4 * 10 = 4.75 %
# A 3/4 * 7 + 1/4 * 0 = 5.25 %
# B 3/4 * 7 + 1/4 * 0 = 5.25 %
#
check_counter "Slow counter A" 0.0475 $slow_a_cnt $total_cnt
check_counter "Slow counter B" 0.0525 $slow_b_cnt $total_cnt
@ -252,7 +252,7 @@ check_counter "Slow counter B" 0.0525 $slow_b_cnt $total_cnt
# A 20 % claim + 5.0 % fill = 25.0 %
# Total
# A 3/4 * 4.5 + 1/4 * 25 = 9.625 %
# A 3/4 * 20.5 + 1/4 * 0 = 15.375 %
# B 3/4 * 20.5 + 1/4 * 0 = 15.375 %
#
check_counter "Middle counter A" 0.09625 $midl_a_cnt $total_cnt
check_counter "Middle counter B" 0.15375 $midl_b_cnt $total_cnt
@ -266,7 +266,7 @@ check_counter "Middle counter B" 0.15375 $midl_b_cnt $total_cnt
# A 60 % claim + 5.0 % fill = 65.0 %
# Total
# A 3/4 * 8.5 + 1/4 * 65 = 22.625 %
# A 3/4 * 56.5 + 1/4 * 0 = 42.375 %
# B 3/4 * 56.5 + 1/4 * 0 = 42.375 %
#
check_counter "Fast counter A" 0.22625 $fast_a_cnt $total_cnt
check_counter "Fast counter B" 0.42375 $fast_b_cnt $total_cnt