diff options
Diffstat (limited to 'tools/testing/selftests/rcutorture/bin')
-rwxr-xr-x | tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf.sh | 82 | ||||
-rwxr-xr-x | tools/testing/selftests/rcutorture/bin/kvm-recheck.sh | 5 | ||||
-rwxr-xr-x | tools/testing/selftests/rcutorture/bin/kvm.sh | 2 |
3 files changed, 87 insertions, 2 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf.sh new file mode 100755 index 000000000000..e5b28174fda0 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcuperf.sh @@ -0,0 +1,82 @@ +#!/bin/bash +# +# Analyze a given results directory for rcuperf performance measurements. +# +# Usage: kvm-recheck-rcuperf.sh resdir +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2016 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +i="$1" +if test -d $i +then + : +else + echo Unreadable results directory: $i + exit 1 +fi +. tools/testing/selftests/rcutorture/bin/functions.sh + +configfile=`echo $i | sed -e 's/^.*\///'` + +grep -e '-perf:.*writer-duration' $i/console.log | sed -e 's/^\[[^]]*]//' | +awk ' +{ + gptimes[++n] = $5 / 1000.; + sum += $5 / 1000.; +} + +END { + if (NR <= 0) { + print "No rcuperf records found???" + exit; + } + asort(gptimes); + pct50 = int(NR * 50 / 100); + if (pct50 < 1) + pct50 = 1; + pct90 = int(NR * 90 / 100); + if (pct90 < 1) + pct90 = 1; + pct99 = int(NR * 99 / 100); + if (pct99 < 1) + pct99 = 1; + div = 10 ** int(log(gptimes[pct90]) / log(10) + .5) / 100; + print "Histogram bucket size: " div; + last = gptimes[1] - 10; + count = 0; + for (i = 1; i <= NR; i++) { + current = div * int(gptimes[i] / div); + if (last == current) { + count++; + } else { + if (count > 0) + print last, count; + count = 1; + last = current; + } + } + if (count > 0) + print last, count; + print "Average grace-period duration: " sum / NR " microseconds"; + print "Minimum grace-period duration: " gptimes[1]; + print "50th percentile grace-period duration: " gptimes[pct50]; + print "90th percentile grace-period duration: " gptimes[pct90]; + print "99th percentile grace-period duration: " gptimes[pct99]; + print "Maximum grace-period duration: " gptimes[NR]; +}' diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh index d86bdd6b6cc2..f659346d3358 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh @@ -48,7 +48,10 @@ do cat $i/Make.oldconfig.err fi parse-build.sh $i/Make.out $configfile - parse-torture.sh $i/console.log $configfile + if test "$TORTURE_SUITE" != rcuperf + then + parse-torture.sh $i/console.log $configfile + fi parse-console.sh $i/console.log $configfile if test -r $i/Warnings then diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh index 4a431767f77a..c33cb582b3dc 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm.sh @@ -156,7 +156,7 @@ do shift ;; --torture) - checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\)$' '^--' + checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\|rcuperf\)$' '^--' TORTURE_SUITE=$2 shift ;; |