Messages in this thread | | | Date | Sun, 10 Dec 2023 10:34:15 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH] tracing: Have large events show up as '[LINE TOO BIG]' instead of nothing |
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On Sun, 10 Dec 2023 09:11:40 -0500 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> wrote:
> On 2023-12-09 17:10, Steven Rostedt wrote: > [...] > > <...>-852 [001] ..... 121.550551: tracing_mark_write[LINE TOO BIG] > > <...>-852 [001] ..... 121.550581: tracing_mark_write: 78901234 > > Failing to print an entire message because it does not fit in the > buffer size is rather inconvenient.
Yes I agree, and luckily it hasn't been called out as an issue. Note, I hit this because I extended the trace_marker buffer before increasing the trace_seq size. Otherwise, the trace_marker just breaks it up. This can now only be triggered by internal changes.
> > It would be better to print the partial line, and end the line with > a <TRUNCATED LINE> tag.
Agreed, but I don't have time to do that (I already spent way too much time on this than I had allocated). I decided to just do what the trace_pipe currently does, and leave "print partial line" to another day when I can allocate time on this.
Hmm, this could be added to the "TODO" list that was talked about in ksummit-discuss.
-- Steve
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