linux-kernel - [tip:locking/core] tools/memory-model: Make scripts take "-j" abbreviation for "--jobs"

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Date:   Mon, 21 Jan 2019 03:25:06 -0800
From:   "tip-bot for Paul E. McKenney" <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, mingo@...nel.org,
        stern@...land.harvard.edu, hpa@...or.com,
        torvalds@...ux-foundation.org, peterz@...radead.org,
        paulmck@...ux.vnet.ibm.com, tglx@...utronix.de
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@...ux.vnet.ibm.com>
AuthorDate: Mon, 3 Dec 2018 15:04:51 -0800
Committer:  Ingo Molnar <mingo@...nel.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@...land.harvard.edu>
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: akiyks@...il.com
Cc: boqun.feng@...il.com
Cc: dhowells@...hat.com
Cc: j.alglave@....ac.uk
Cc: linux-arch@...r.kernel.org
Cc: luc.maranget@...ia.fr
Cc: npiggin@...il.com
Cc: parri.andrea@...il.com
Cc: will.deacon@....com
Link: http://lkml.kernel.org/r/20181203230451.28921-3-paulmck@linux.ibm.com
Signed-off-by: Ingo Molnar <mingo@...nel.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
 		;;