From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755343Ab3BDNxB (ORCPT ); Mon, 4 Feb 2013 08:53:01 -0500 Received: from terminus.zytor.com ([198.137.202.10]:60904 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752350Ab3BDNxA (ORCPT ); Mon, 4 Feb 2013 08:53:00 -0500 Date: Mon, 4 Feb 2013 05:52:38 -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, a.p.zijlstra@chello.nl, torvalds@linux-foundation.org, akpm@linux-foundation.org, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, sasha.levin@oracle.com, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, torvalds@linux-foundation.org, a.p.zijlstra@chello.nl, tglx@linutronix.de In-Reply-To: <1359942644-26371-3-git-send-email-sasha.levin@oracle.com> References: <1359942644-26371-3-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: 804a7ae57c90188263d49621cb4f1e0bae46c5ca 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-4.2.7 (terminus.zytor.com [127.0.0.1]); Mon, 04 Feb 2013 05:52:44 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 804a7ae57c90188263d49621cb4f1e0bae46c5ca Gitweb: http://git.kernel.org/tip/804a7ae57c90188263d49621cb4f1e0bae46c5ca Author: Sasha Levin AuthorDate: Sun, 3 Feb 2013 20:50:40 -0500 Committer: Ingo Molnar CommitDate: Mon, 4 Feb 2013 11:39:05 +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 Cc: paulus@samba.org Cc: acme@ghostprotocols.net Cc: penberg@kernel.org Cc: peterz@infradead.org Cc: Linus Torvalds Cc: Andrew Morton Cc: Peter Zijlstra Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/1359942644-26371-3-git-send-email-sasha.levin@oracle.com Signed-off-by: Ingo Molnar --- tools/lib/lockdep/run_tests.sh | 15 +++++++++++++++ tools/lib/lockdep/tests/AA.c | 16 ++++++++++++++++ tools/lib/lockdep/tests/ABBA.c | 16 ++++++++++++++++ tools/lib/lockdep/tests/ABBCCA.c | 18 ++++++++++++++++++ tools/lib/lockdep/tests/ABBCCDDA.c | 20 ++++++++++++++++++++ tools/lib/lockdep/tests/ABCABC.c | 18 ++++++++++++++++++ tools/lib/lockdep/tests/ABCDBCDA.c | 20 ++++++++++++++++++++ tools/lib/lockdep/tests/ABCDBDDA.c | 20 ++++++++++++++++++++ tools/lib/lockdep/tests/common.h | 12 ++++++++++++ tools/lib/lockdep/tests/unlock_balance.c | 15 +++++++++++++++ 10 files changed, 170 insertions(+) diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh new file mode 100755 index 0000000..4dd32d1 --- /dev/null +++ b/tools/lib/lockdep/run_tests.sh @@ -0,0 +1,15 @@ +#! /bin/bash + +make &> /dev/null + +for i in `ls tests/*.c`; do + testname=$(basename -s .c "$i") + gcc -o tests/$testname -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 diff --git a/tools/lib/lockdep/tests/AA.c b/tools/lib/lockdep/tests/AA.c new file mode 100644 index 0000000..933d32f --- /dev/null +++ b/tools/lib/lockdep/tests/AA.c @@ -0,0 +1,16 @@ +#include + +void main(void) +{ + pthread_mutex_t a, b; + + liblockdep_init(); + liblockdep_set_thread(); + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + + pthread_mutex_lock(&a); + pthread_mutex_unlock(&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..9f5146b --- /dev/null +++ b/tools/lib/lockdep/tests/ABBA.c @@ -0,0 +1,16 @@ +#include +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b; + + liblockdep_init(); + liblockdep_set_thread(); + + 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..b7435d7 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBCCA.c @@ -0,0 +1,18 @@ +#include +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c; + + liblockdep_init(); + liblockdep_set_thread(); + + 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..2425330 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBCCDDA.c @@ -0,0 +1,20 @@ +#include +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c, d; + + liblockdep_init(); + liblockdep_set_thread(); + + 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..2ee30fe --- /dev/null +++ b/tools/lib/lockdep/tests/ABCABC.c @@ -0,0 +1,18 @@ +#include +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c; + + liblockdep_init(); + liblockdep_set_thread(); + + 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..32d19d6 --- /dev/null +++ b/tools/lib/lockdep/tests/ABCDBCDA.c @@ -0,0 +1,20 @@ +#include +#include "common.h" + +void main(void) +{ + liblockdep_pthread_mutex_t a, b, c, d; + + liblockdep_init(); + liblockdep_set_thread(); + + liblockdep_pthread_mutex_init(&a, NULL); + liblockdep_pthread_mutex_init(&b, NULL); + liblockdep_pthread_mutex_init(&c, NULL); + liblockdep_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..850eaca --- /dev/null +++ b/tools/lib/lockdep/tests/ABCDBDDA.c @@ -0,0 +1,20 @@ +#include +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c, d; + + liblockdep_init(); + liblockdep_set_thread(); + + 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..9dfaf97 --- /dev/null +++ b/tools/lib/lockdep/tests/unlock_balance.c @@ -0,0 +1,15 @@ +#include + +void main(void) +{ + pthread_mutex_t a; + + liblockdep_init(); + liblockdep_set_thread(); + + pthread_mutex_init(&a, NULL); + + pthread_mutex_lock(&a); + pthread_mutex_unlock(&a); + pthread_mutex_unlock(&a); +}