Messages in this thread | | | Date | Thu, 9 Jun 2022 15:02:20 +0200 | From | Petr Mladek <> | Subject | Re: [PATCH 24/36] printk: Remove trace_.*_rcuidle() usage |
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On Thu 2022-06-09 20:30:58, Sergey Senozhatsky wrote: > My emails are getting rejected... Let me try web-interface
Bad day for mail sending. I have problems as well ;-)
> Kudos to Petr for the questions and thanks to PeterZ for the answers. > > On Thu, Jun 9, 2022 at 7:02 PM Peter Zijlstra <peterz@infradead.org> wrote: > > This is the tracepoint used to spool all of printk into ftrace, I > > suspect there's users, but I haven't used it myself. > > I'm somewhat curious whether we can actually remove that trace event.
Good question.
Well, I think that it might be useful. It allows to see trace and printk messages together.
It was ugly when it was in the console code. The new location in vprintk_store() allows to have it even "correctly" sorted (timestamp) against other tracing messages.
Best Regards, Petr
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