| Message ID | 20180330150132.16903-2-chris@chris-wilson.co.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index dcf1c4dd3efe..88098d7fac06 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -2637,7 +2637,8 @@ rb_handle_timestamp(struct ring_buffer_per_cpu *cpu_buffer, sched_clock_stable() ? "" : "If you just came from a suspend/resume,\n" "please switch to the trace global clock:\n" - " echo global > /sys/kernel/debug/tracing/trace_clock\n"); + " echo global > /sys/kernel/debug/tracing/trace_clock\n" + "or add trace_clock=global to the kernel command line\n"); info->add_timestamp = 1; }
Mention the alternative of adding trace_clock=global to the kernel command line when we detect that we've used an unstable clock across a suspend/resume cycle. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Steven Rostedt <rostedt@goodmis.org> --- kernel/trace/ring_buffer.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)