[PATCH v4 8/9] tracing/osnoise: Print taint message for timerlat
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WARM2d
From: Crystal Wood <hidden>
Date: 2026-10-14 22:08:26
Subsystem:
the rest, tracing, tracing os noise / latency tracers · Maintainers:
Linus Torvalds, Steven Rostedt, Masami Hiramatsu
Revision v4 of 3 in this series.
Revisions (3)
- v2 [diff vs current]
- v3 [diff vs current]
- v4 current
Provide taint information the same as is done in print_osnoise_headers(). Signed-off-by: Crystal Wood <redacted> --- 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