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Subject[PATCH v3 rcu 5/8] rcutorture: Add --datestamp parameter to kvm-again.sh
Date
This commit adds a --datestamp parameter to kvm-again.sh, which, in
contrast to the existing --rundir argument, specifies only the last
segments of the pathname. This addition enables torture.sh to use
kvm-again.sh in order to avoid redundant kernel builds.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
.../selftests/rcutorture/bin/kvm-again.sh | 37 +++++++++++++++++--
1 file changed, 34 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/rcutorture/bin/kvm-again.sh b/tools/testing/selftests/rcutorture/bin/kvm-again.sh
index 20941c1051087..8a968fbda02c9 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-again.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-again.sh
@@ -54,7 +54,10 @@ bootargs=
dryrun=
dur=
default_link="cp -R"
-rundir="`pwd`/tools/testing/selftests/rcutorture/res/`date +%Y.%m.%d-%H.%M.%S-again`"
+resdir="`pwd`/tools/testing/selftests/rcutorture/res"
+rundir="$resdir/`date +%Y.%m.%d-%H.%M.%S-again`"
+got_datestamp=
+got_rundir=

startdate="`date`"
starttime="`get_starttime`"
@@ -62,11 +65,13 @@ starttime="`get_starttime`"
usage () {
echo "Usage: $scriptname $oldrun [ arguments ]:"
echo " --bootargs kernel-boot-arguments"
+ echo " --datestamp string"
echo " --dryrun"
echo " --duration minutes | <seconds>s | <hours>h | <days>d"
echo " --link hard|soft|copy"
echo " --remote"
echo " --rundir /new/res/path"
+ echo "Command line: $scriptname $args"
exit 1
}

@@ -78,6 +83,23 @@ do
bootargs="$bootargs $2"
shift
;;
+ --datestamp)
+ checkarg --datestamp "(relative pathname)" "$#" "$2" '^[a-zA-Z0-9._/-]*$' '^--'
+ if test -n "$got_rundir" || test -n "$got_datestamp"
+ then
+ echo Only one of --datestamp or --rundir may be specified
+ usage
+ fi
+ got_datestamp=y
+ ds=$2
+ rundir="$resdir/$ds"
+ if test -e "$rundir"
+ then
+ echo "--datestamp $2: Already exists."
+ usage
+ fi
+ shift
+ ;;
--dryrun)
dryrun=1
;;
@@ -119,6 +141,12 @@ do
;;
--rundir)
checkarg --rundir "(absolute pathname)" "$#" "$2" '^/' '^error'
+ if test -n "$got_rundir" || test -n "$got_datestamp"
+ then
+ echo Only one of --datestamp or --rundir may be specified
+ usage
+ fi
+ got_rundir=y
rundir=$2
if test -e "$rundir"
then
@@ -128,8 +156,11 @@ do
shift
;;
*)
- echo Unknown argument $1
- usage
+ if test -n "$1"
+ then
+ echo Unknown argument $1
+ usage
+ fi
;;
esac
shift
--
2.31.1.189.g2e36527f23
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