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Date: Tue, 11 Dec 2018 07:23:48 -0800
From: tip-bot for Bart Van Assche <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: mingo@...nel.org, sasha.levin@...cle.com, tglx@...utronix.de,
longman@...hat.com, peterz@...radead.org,
linux-kernel@...r.kernel.org, bvanassche@....org,
torvalds@...ux-foundation.org, johannes@...solutions.net,
hpa@...or.com
Subject: [tip:locking/core] tools/lib/lockdep/tests: Improve testing
accuracy
Commit-ID: 5ecb8e94b494af0df8de4ca9b9ef88d87b30a9c1
Gitweb: https://git.kernel.org/tip/5ecb8e94b494af0df8de4ca9b9ef88d87b30a9c1
Author: Bart Van Assche <bvanassche@....org>
AuthorDate: Thu, 6 Dec 2018 17:11:27 -0800
Committer: Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 11 Dec 2018 14:54:49 +0100
tools/lib/lockdep/tests: Improve testing accuracy
Instead of checking whether the tests produced any output, check the
output itself. This patch avoids that e.g. debug output causes the
message "PASSED!" to be reported for failed tests.
Signed-off-by: Bart Van Assche <bvanassche@....org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Johannes Berg <johannes@...solutions.net>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Sasha Levin <sasha.levin@...cle.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Waiman Long <longman@...hat.com>
Cc: johannes.berg@...el.com
Cc: tj@...nel.org
Link: https://lkml.kernel.org/r/20181207011148.251812-4-bvanassche@acm.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
tools/lib/lockdep/run_tests.sh | 5 +++--
tools/lib/lockdep/tests/AA.sh | 2 ++
tools/lib/lockdep/tests/ABA.sh | 2 ++
tools/lib/lockdep/tests/ABBA.sh | 2 ++
tools/lib/lockdep/tests/ABBA_2threads.sh | 2 ++
tools/lib/lockdep/tests/ABBCCA.sh | 2 ++
tools/lib/lockdep/tests/ABBCCDDA.sh | 2 ++
tools/lib/lockdep/tests/ABCABC.sh | 2 ++
tools/lib/lockdep/tests/ABCDBCDA.sh | 2 ++
tools/lib/lockdep/tests/ABCDBDDA.sh | 2 ++
tools/lib/lockdep/tests/WW.sh | 2 ++
tools/lib/lockdep/tests/unlock_balance.sh | 2 ++
12 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh
index 253719ee6377..bc36178329a8 100755
--- a/tools/lib/lockdep/run_tests.sh
+++ b/tools/lib/lockdep/run_tests.sh
@@ -11,7 +11,7 @@ find tests -name '*.c' | sort | while read -r i; do
testname=$(basename "$i" .c)
echo -ne "$testname... "
if gcc -o "tests/$testname" -pthread "$i" liblockdep.a -Iinclude -D__USE_LIBLOCKDEP &&
- [ "$(timeout 1 "./tests/$testname" 2>&1 | wc -l)" -gt 0 ]; then
+ timeout 1 "tests/$testname" 2>&1 | "tests/${testname}.sh"; then
echo "PASSED!"
else
echo "FAILED!"
@@ -23,7 +23,8 @@ find tests -name '*.c' | sort | while read -r i; do
testname=$(basename "$i" .c)
echo -ne "(PRELOAD) $testname... "
if gcc -o "tests/$testname" -pthread -Iinclude "$i" &&
- [ "$(timeout 1 ./lockdep "./tests/$testname" 2>&1 | wc -l)" -gt 0 ]; then
+ timeout 1 ./lockdep "tests/$testname" 2>&1 |
+ "tests/${testname}.sh"; then
echo "PASSED!"
else
echo "FAILED!"
diff --git a/tools/lib/lockdep/tests/AA.sh b/tools/lib/lockdep/tests/AA.sh
new file mode 100644
index 000000000000..f39b32865074
--- /dev/null
+++ b/tools/lib/lockdep/tests/AA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible recursive locking detected'
diff --git a/tools/lib/lockdep/tests/ABA.sh b/tools/lib/lockdep/tests/ABA.sh
new file mode 100644
index 000000000000..f39b32865074
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible recursive locking detected'
diff --git a/tools/lib/lockdep/tests/ABBA.sh b/tools/lib/lockdep/tests/ABBA.sh
new file mode 100644
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABBA_2threads.sh b/tools/lib/lockdep/tests/ABBA_2threads.sh
new file mode 100644
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBA_2threads.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABBCCA.sh b/tools/lib/lockdep/tests/ABBCCA.sh
new file mode 100644
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBCCA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABBCCDDA.sh b/tools/lib/lockdep/tests/ABBCCDDA.sh
new file mode 100644
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBCCDDA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABCABC.sh b/tools/lib/lockdep/tests/ABCABC.sh
new file mode 100644
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABCABC.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABCDBCDA.sh b/tools/lib/lockdep/tests/ABCDBCDA.sh
new file mode 100644
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABCDBCDA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/ABCDBDDA.sh b/tools/lib/lockdep/tests/ABCDBDDA.sh
new file mode 100644
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABCDBDDA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
diff --git a/tools/lib/lockdep/tests/WW.sh b/tools/lib/lockdep/tests/WW.sh
new file mode 100644
index 000000000000..f39b32865074
--- /dev/null
+++ b/tools/lib/lockdep/tests/WW.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible recursive locking detected'
diff --git a/tools/lib/lockdep/tests/unlock_balance.sh b/tools/lib/lockdep/tests/unlock_balance.sh
new file mode 100644
index 000000000000..c6e3952303fe
--- /dev/null
+++ b/tools/lib/lockdep/tests/unlock_balance.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: bad unlock balance detected'
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