From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756653Ab3K0OJh (ORCPT ); Wed, 27 Nov 2013 09:09:37 -0500 Received: from terminus.zytor.com ([198.137.202.10]:47684 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756471Ab3K0OJ2 (ORCPT ); Wed, 27 Nov 2013 09:09:28 -0500 Date: Wed, 27 Nov 2013 06:08:58 -0800 From: tip-bot for Sasha Levin Message-ID: Cc: linux-kernel@vger.kernel.org, sasha.levin@oracle.com, hpa@zytor.com, mingo@kernel.org, peterz@infradead.org, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, sasha.levin@oracle.com, linux-kernel@vger.kernel.org, peterz@infradead.org, tglx@linutronix.de In-Reply-To: <1371163284-6346-5-git-send-email-sasha.levin@oracle.com> References: <1371163284-6346-5-git-send-email-sasha.levin@oracle.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:core/locking] liblockdep: Add pthread_mutex_t test suite Git-Commit-ID: 878f968eeb852383ff79dc3f181db24e5b52fd75 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.1 (terminus.zytor.com [127.0.0.1]); Wed, 27 Nov 2013 06:09:04 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 878f968eeb852383ff79dc3f181db24e5b52fd75 Gitweb: http://git.kernel.org/tip/878f968eeb852383ff79dc3f181db24e5b52fd75 Author: Sasha Levin AuthorDate: Thu, 13 Jun 2013 18:41:19 -0400 Committer: Ingo Molnar CommitDate: Wed, 27 Nov 2013 11:55:22 +0100 liblockdep: Add pthread_mutex_t test suite This is a rather simple and basic test suite to test common locking issues. Beyond tests, it also shows how to use the library. Signed-off-by: Sasha Levin Signed-off-by: Peter Zijlstra Cc: torvalds@linux-foundation.org Link: http://lkml.kernel.org/r/1371163284-6346-5-git-send-email-sasha.levin@oracle.com Signed-off-by: Ingo Molnar --- tools/lib/lockdep/run_tests.sh | 27 +++++++++++++++++++++++++++ tools/lib/lockdep/tests/AA.c | 13 +++++++++++++ tools/lib/lockdep/tests/ABBA.c | 13 +++++++++++++ tools/lib/lockdep/tests/ABBCCA.c | 15 +++++++++++++++ tools/lib/lockdep/tests/ABBCCDDA.c | 17 +++++++++++++++++ tools/lib/lockdep/tests/ABCABC.c | 15 +++++++++++++++ tools/lib/lockdep/tests/ABCDBCDA.c | 17 +++++++++++++++++ tools/lib/lockdep/tests/ABCDBDDA.c | 17 +++++++++++++++++ tools/lib/lockdep/tests/common.h | 12 ++++++++++++ tools/lib/lockdep/tests/unlock_balance.c | 12 ++++++++++++ 10 files changed, 158 insertions(+) diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh new file mode 100644 index 0000000..5334ad9 --- /dev/null +++ b/tools/lib/lockdep/run_tests.sh @@ -0,0 +1,27 @@ +#! /bin/bash + +make &> /dev/null + +for i in `ls tests/*.c`; do + testname=$(basename -s .c "$i") + gcc -o tests/$testname -pthread -lpthread $i liblockdep.a -Iinclude -D__USE_LIBLOCKDEP &> /dev/null + echo -ne "$testname... " + if [ $(timeout 1 ./tests/$testname | wc -l) -gt 0 ]; then + echo "PASSED!" + else + echo "FAILED!" + fi + rm tests/$testname +done + +for i in `ls tests/*.c`; do + testname=$(basename -s .c "$i") + gcc -o tests/$testname -pthread -lpthread -Iinclude $i &> /dev/null + echo -ne "(PRELOAD) $testname... " + if [ $(timeout 1 ./lockdep ./tests/$testname | wc -l) -gt 0 ]; then + echo "PASSED!" + else + echo "FAILED!" + fi + rm tests/$testname +done diff --git a/tools/lib/lockdep/tests/AA.c b/tools/lib/lockdep/tests/AA.c new file mode 100644 index 0000000..0f782ff --- /dev/null +++ b/tools/lib/lockdep/tests/AA.c @@ -0,0 +1,13 @@ +#include + +void main(void) +{ + pthread_mutex_t a, b; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + + pthread_mutex_lock(&a); + pthread_mutex_lock(&b); + pthread_mutex_lock(&a); +} diff --git a/tools/lib/lockdep/tests/ABBA.c b/tools/lib/lockdep/tests/ABBA.c new file mode 100644 index 0000000..07f0e29 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBA.c @@ -0,0 +1,13 @@ +#include +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(b, a); +} diff --git a/tools/lib/lockdep/tests/ABBCCA.c b/tools/lib/lockdep/tests/ABBCCA.c new file mode 100644 index 0000000..843db09 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBCCA.c @@ -0,0 +1,15 @@ +#include +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + pthread_mutex_init(&c, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(b, c); + LOCK_UNLOCK_2(c, a); +} diff --git a/tools/lib/lockdep/tests/ABBCCDDA.c b/tools/lib/lockdep/tests/ABBCCDDA.c new file mode 100644 index 0000000..33620e2 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBCCDDA.c @@ -0,0 +1,17 @@ +#include +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c, d; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + pthread_mutex_init(&c, NULL); + pthread_mutex_init(&d, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(b, c); + LOCK_UNLOCK_2(c, d); + LOCK_UNLOCK_2(d, a); +} diff --git a/tools/lib/lockdep/tests/ABCABC.c b/tools/lib/lockdep/tests/ABCABC.c new file mode 100644 index 0000000..3fee51e --- /dev/null +++ b/tools/lib/lockdep/tests/ABCABC.c @@ -0,0 +1,15 @@ +#include +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + pthread_mutex_init(&c, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(c, a); + LOCK_UNLOCK_2(b, c); +} diff --git a/tools/lib/lockdep/tests/ABCDBCDA.c b/tools/lib/lockdep/tests/ABCDBCDA.c new file mode 100644 index 0000000..427ba56 --- /dev/null +++ b/tools/lib/lockdep/tests/ABCDBCDA.c @@ -0,0 +1,17 @@ +#include +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c, d; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + pthread_mutex_init(&c, NULL); + pthread_mutex_init(&d, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(c, d); + LOCK_UNLOCK_2(b, c); + LOCK_UNLOCK_2(d, a); +} diff --git a/tools/lib/lockdep/tests/ABCDBDDA.c b/tools/lib/lockdep/tests/ABCDBDDA.c new file mode 100644 index 0000000..680c6cf --- /dev/null +++ b/tools/lib/lockdep/tests/ABCDBDDA.c @@ -0,0 +1,17 @@ +#include +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c, d; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + pthread_mutex_init(&c, NULL); + pthread_mutex_init(&d, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(c, d); + LOCK_UNLOCK_2(b, d); + LOCK_UNLOCK_2(d, a); +} diff --git a/tools/lib/lockdep/tests/common.h b/tools/lib/lockdep/tests/common.h new file mode 100644 index 0000000..d89e94d --- /dev/null +++ b/tools/lib/lockdep/tests/common.h @@ -0,0 +1,12 @@ +#ifndef _LIBLOCKDEP_TEST_COMMON_H +#define _LIBLOCKDEP_TEST_COMMON_H + +#define LOCK_UNLOCK_2(a, b) \ + do { \ + pthread_mutex_lock(&(a)); \ + pthread_mutex_lock(&(b)); \ + pthread_mutex_unlock(&(b)); \ + pthread_mutex_unlock(&(a)); \ + } while(0) + +#endif diff --git a/tools/lib/lockdep/tests/unlock_balance.c b/tools/lib/lockdep/tests/unlock_balance.c new file mode 100644 index 0000000..0bc62de --- /dev/null +++ b/tools/lib/lockdep/tests/unlock_balance.c @@ -0,0 +1,12 @@ +#include + +void main(void) +{ + pthread_mutex_t a; + + pthread_mutex_init(&a, NULL); + + pthread_mutex_lock(&a); + pthread_mutex_unlock(&a); + pthread_mutex_unlock(&a); +}