Re: [RFC][PATCH 0/2] tracing: Have trace_printk()s in the events/directory

[Peter Zijlstra]

On Wed, 2010-11-17 at 22:58 -0500, Steven Rostedt wrote:
> For example, I added a trace_printk() in kernel/sched.c at line 2180
> and it creates:
> 
> # ls /debug/tracing/events/printk/kernel/sched.c/2180/
> enable  format
> 
> The format is the printk format:
> 
> # cat /debug/tracing/events/printk/kernel/sched.c/2180/format 
> "migrate task %s:%d"

*groan*, so you're creating a tracepoint per instance?

That's going to be massive pain for perf.. I really don't see the point
in splitting all that out.
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