Messages in this thread |  | | | Subject | Re: [RFC][PATCH 0/2] tracing: Have trace_printk()s in the events/ directory | | From | Peter Zijlstra <> | | Date | Thu, 18 Nov 2010 11:41:06 +0100 |
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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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