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[71.34.25.140]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-536127b5567sm8224761cf.12.2026.10.14.15.08.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Oct 2026 15:08:22 -0700 (PDT) From: Crystal Wood To: Steven Rostedt Cc: Tomas Glozar , John Kacur , linux-trace-kernel@vger.kernel.org, Crystal Wood Subject: [PATCH v4 8/9] tracing/osnoise: Print taint message for timerlat Date: Wed, 14 Oct 2026 17:07:58 -0500 Message-ID: <20261014220759.908839-9-crwood@redhat.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20261014220759.908839-1-crwood@redhat.com> References: <20261014220759.908839-1-crwood@redhat.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: iY2_KQBkurOnjAffEUP624QkCg1bU94gtspo45V9nPE_1792015704 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true Provide taint information the same as is done in print_osnoise_headers(). Signed-off-by: Crystal Wood --- v2: new patch --- kernel/trace/trace_osnoise.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c index 36088b30f4ed..40b6f3df8a20 100644 --- a/kernel/trace/trace_osnoise.c +++ b/kernel/trace/trace_osnoise.c @@ -577,6 +577,9 @@ static void record_osnoise_sample(struct osnoise_sample *sample) #ifdef CONFIG_PREEMPT_RT static void print_timerlat_headers(struct seq_file *s) { + if (osnoise_data.tainted) + seq_puts(s, "# timerlat is tainted!\n"); + seq_puts(s, "# _-------=> irqs-off\n"); seq_puts(s, "# / _------=> need-resched\n"); seq_puts(s, "# | / _-----=> need-resched-lazy\n"); @@ -594,6 +597,9 @@ static void print_timerlat_headers(struct seq_file *s) #else /* CONFIG_PREEMPT_RT */ static void print_timerlat_headers(struct seq_file *s) { + if (osnoise_data.tainted) + seq_puts(s, "# timerlat is tainted!\n"); + seq_puts(s, "# _-----=> irqs-off\n"); seq_puts(s, "# / _----=> need-resched\n"); seq_puts(s, "# | / _---=> hardirq/softirq\n"); -- 2.54.0