linux-kernel - [PATCH tip/core/rcu 3/3] torture: Provide TMPDIR environment variable to specify tmpdir

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Message-Id: <1507154196-15100-3-git-send-email-paulmck@linux.vnet.ibm.com>
Date:   Wed,  4 Oct 2017 14:56:36 -0700
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     linux-kernel@...r.kernel.org
Cc:     mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com,
        akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
        josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
        rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
        fweisbec@...il.com, oleg@...hat.com,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 3/3] torture: Provide TMPDIR environment variable to specify tmpdir

Both rcutorture and locktorture currently place temporary files in /tmp,
in keeping with decades-long tradition.  However, sometimes it is useful
to specify an alternative temporary directory, for example, for space
or performance reasons.  This commit therefore causes the torture-test
scripting to use the path specified in the TMPDIR environment variable,
or to fall back to traditional /tmp if this variable is not set.

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 tools/testing/selftests/rcutorture/bin/config_override.sh | 2 +-
 tools/testing/selftests/rcutorture/bin/configcheck.sh     | 2 +-
 tools/testing/selftests/rcutorture/bin/configinit.sh      | 2 +-
 tools/testing/selftests/rcutorture/bin/kvm-build.sh       | 2 +-
 tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh  | 2 +-
 tools/testing/selftests/rcutorture/bin/kvm.sh             | 4 ++--
 tools/testing/selftests/rcutorture/bin/parse-build.sh     | 2 +-
 tools/testing/selftests/rcutorture/bin/parse-torture.sh   | 2 +-
 8 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/rcutorture/bin/config_override.sh b/tools/testing/selftests/rcutorture/bin/config_override.sh
index 49fa51726ce3..ef7fcbac3d42 100755
--- a/tools/testing/selftests/rcutorture/bin/config_override.sh
+++ b/tools/testing/selftests/rcutorture/bin/config_override.sh
@@ -42,7 +42,7 @@ else
 	exit 1
 fi
 
-T=/tmp/config_override.sh.$$
+T=${TMPDIR-/tmp}/config_override.sh.$$
 trap 'rm -rf $T' 0
 mkdir $T
 
diff --git a/tools/testing/selftests/rcutorture/bin/configcheck.sh b/tools/testing/selftests/rcutorture/bin/configcheck.sh
index 70fca318a82b..197deece7c7c 100755
--- a/tools/testing/selftests/rcutorture/bin/configcheck.sh
+++ b/tools/testing/selftests/rcutorture/bin/configcheck.sh
@@ -19,7 +19,7 @@
 #
 # Authors: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
 
-T=/tmp/abat-chk-config.sh.$$
+T=${TMPDIR-/tmp}/abat-chk-config.sh.$$
 trap 'rm -rf $T' 0
 mkdir $T
 
diff --git a/tools/testing/selftests/rcutorture/bin/configinit.sh b/tools/testing/selftests/rcutorture/bin/configinit.sh
index 3f81a1095206..51f66a7ce876 100755
--- a/tools/testing/selftests/rcutorture/bin/configinit.sh
+++ b/tools/testing/selftests/rcutorture/bin/configinit.sh
@@ -32,7 +32,7 @@
 #
 # Authors: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
 
-T=/tmp/configinit.sh.$$
+T=${TMPDIR-/tmp}/configinit.sh.$$
 trap 'rm -rf $T' 0
 mkdir $T
 
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-build.sh b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
index 46752c164676..fb66d0173638 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-build.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
@@ -35,7 +35,7 @@ then
 	exit 1
 fi
 
-T=/tmp/test-linux.sh.$$
+T=${TMPDIR-/tmp}/test-linux.sh.$$
 trap 'rm -rf $T' 0
 mkdir $T
 
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
index 0af36a721b9c..ab14b97c942c 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -38,7 +38,7 @@
 #
 # Authors: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
 
-T=/tmp/kvm-test-1-run.sh.$$
+T=${TMPDIR-/tmp}/kvm-test-1-run.sh.$$
 trap 'rm -rf $T' 0
 mkdir $T
 
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index b55895fb10ed..ccd49e958fd2 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -30,7 +30,7 @@
 scriptname=$0
 args="$*"
 
-T=/tmp/kvm.sh.$$
+T=${TMPDIR-/tmp}/kvm.sh.$$
 trap 'rm -rf $T' 0
 mkdir $T
 
@@ -222,7 +222,7 @@ do
 		exit 1
 	fi
 done
-sort -k2nr $T/cfgcpu > $T/cfgcpu.sort
+sort -k2nr $T/cfgcpu -T="$T" > $T/cfgcpu.sort
 
 # Use a greedy bin-packing algorithm, sorting the list accordingly.
 awk < $T/cfgcpu.sort > $T/cfgcpu.pack -v ncpus=$cpus '
diff --git a/tools/testing/selftests/rcutorture/bin/parse-build.sh b/tools/testing/selftests/rcutorture/bin/parse-build.sh
index a6b57622c2e5..24fe5f822b28 100755
--- a/tools/testing/selftests/rcutorture/bin/parse-build.sh
+++ b/tools/testing/selftests/rcutorture/bin/parse-build.sh
@@ -28,7 +28,7 @@
 
 F=$1
 title=$2
-T=/tmp/parse-build.sh.$$
+T=${TMPDIR-/tmp}/parse-build.sh.$$
 trap 'rm -rf $T' 0
 mkdir $T
 
diff --git a/tools/testing/selftests/rcutorture/bin/parse-torture.sh b/tools/testing/selftests/rcutorture/bin/parse-torture.sh
index e3c5f0705696..f12c38909b00 100755
--- a/tools/testing/selftests/rcutorture/bin/parse-torture.sh
+++ b/tools/testing/selftests/rcutorture/bin/parse-torture.sh
@@ -27,7 +27,7 @@
 #
 # Authors: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
 
-T=/tmp/parse-torture.sh.$$
+T=${TMPDIR-/tmp}/parse-torture.sh.$$
 file="$1"
 title="$2"
 
-- 
2.5.2