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Subject[tip:locking/core] tools/memory-model: Make scripts take "-j" abbreviation for "--jobs"
Commit-ID:  910cc9591d1433c2e26bd1c210844b09c699dd89
Gitweb: https://git.kernel.org/tip/910cc9591d1433c2e26bd1c210844b09c699dd89
Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
AuthorDate: Mon, 3 Dec 2018 15:04:51 -0800
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Mon, 21 Jan 2019 11:07:04 +0100

tools/memory-model: Make scripts take "-j" abbreviation for "--jobs"

The "--jobs" argument to the litmus-test scripts is similar to the "-jN"
argument to "make", so this commit allows the "-jN" form as well. While
in the area, it also prohibits the various forms of "-j0".

Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: akiyks@gmail.com
Cc: boqun.feng@gmail.com
Cc: dhowells@redhat.com
Cc: j.alglave@ucl.ac.uk
Cc: linux-arch@vger.kernel.org
Cc: luc.maranget@inria.fr
Cc: npiggin@gmail.com
Cc: parri.andrea@gmail.com
Cc: will.deacon@arm.com
Link: http://lkml.kernel.org/r/20181203230451.28921-3-paulmck@linux.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
tools/memory-model/scripts/parseargs.sh | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/tools/memory-model/scripts/parseargs.sh b/tools/memory-model/scripts/parseargs.sh
index 96b307c8d64a..859e1d581e05 100644
--- a/tools/memory-model/scripts/parseargs.sh
+++ b/tools/memory-model/scripts/parseargs.sh
@@ -95,8 +95,18 @@ do
LKMM_HERD_OPTIONS="$2"
shift
;;
- --jobs|--job)
- checkarg --jobs "(number)" "$#" "$2" '^[0-9]\+$' '^--'
+ -j[1-9]*)
+ njobs="`echo $1 | sed -e 's/^-j//'`"
+ trailchars="`echo $njobs | sed -e 's/[0-9]\+\(.*\)$/\1/'`"
+ if test -n "$trailchars"
+ then
+ echo $1 trailing characters "'$trailchars'"
+ usagehelp
+ fi
+ LKMM_JOBS="`echo $njobs | sed -e 's/^\([0-9]\+\).*$/\1/'`"
+ ;;
+ --jobs|--job|-j)
+ checkarg --jobs "(number)" "$#" "$2" '^[1-9][0-9]\+$' '^--'
LKMM_JOBS="$2"
shift
;;
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