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McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 20/21] torture: Suppress propagating trace_printk() warning Date: Thu, 30 May 2019 08:17:11 -0700 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190530151650.GA422@linux.ibm.com> References: <20190530151650.GA422@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19053015-0040-0000-0000-000004F68405 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011185; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000286; SDB=6.01210791; UDB=6.00636161; IPR=6.00991826; MB=3.00027120; MTD=3.00000008; XFM=3.00000015; UTC=2019-05-30 15:17:17 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19053015-0041-0000-0000-000009029E59 Message-Id: <20190530151712.1612-20-paulmck@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-05-30_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=15 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905300108 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When trace_printk() is used, a message including "BUG" is printed to the console, which fools the rcutorture scripting into believing that the corresponding test scenario failed. This commit therefore filters out this particular instance of "BUG", thus avoiding the false-positive test-failure report. Signed-off-by: Paul E. McKenney --- tools/testing/selftests/rcutorture/bin/parse-console.sh | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/rcutorture/bin/parse-console.sh b/tools/testing/selftests/rcutorture/bin/parse-console.sh index 4508373a922f..4bf62d7b1cbc 100755 --- a/tools/testing/selftests/rcutorture/bin/parse-console.sh +++ b/tools/testing/selftests/rcutorture/bin/parse-console.sh @@ -106,6 +106,7 @@ fi | tee -a $file.diags egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:|detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state|rcu_.*kthread starved for' < $file | grep -v 'ODEBUG: ' | +grep -v 'This means that this is a DEBUG kernel and it is' | grep -v 'Warning: unable to open an initial console' > $T.diags if test -s $T.diags then -- 2.17.1