linux-kernel - [PATCH -tip v2 4/6] selftests: ftrace: Introduce TMPDIR for temporary files

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Date:   Sun, 30 Oct 2016 15:54:29 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Shuah Khan <shuahkhan@...il.com>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        linux-kselftest@...r.kernel.org
Subject: [PATCH -tip v2 4/6] selftests: ftrace: Introduce TMPDIR for temporary files

Introduce TMPDIR variable which is removed after each test
is done, so that the test script can put their temporary
files in that.

Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
---
 tools/testing/selftests/ftrace/ftracetest |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
index a03d366..f0ab3a0 100755
--- a/tools/testing/selftests/ftrace/ftracetest
+++ b/tools/testing/selftests/ftrace/ftracetest
@@ -236,6 +236,7 @@ __run_test() { # testfile
 run_test() { # testfile
   local testname=`basename $1`
   local testlog=`mktemp $LOG_DIR/${testname}-log.XXXXXX`
+  export TMPDIR=`mktemp -d /tmp/ftracetest-dir.XXXXXX`
   testcase $1
   echo "execute: "$1 > $testlog
   SIG_RESULT=0
@@ -252,6 +253,7 @@ run_test() { # testfile
     catlog $testlog
     TOTAL_RESULT=1
   fi
+  rm -rf $TMPDIR
 }
 
 # load in the helper functions