Messages in this thread | | | Subject | Re: How to write marker info in MMIO trace from kernel | From | Steven Rostedt <> | Date | Tue, 04 May 2010 14:42:59 -0400 |
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On Tue, 2010-05-04 at 13:36 -0500, Larry Finger wrote: > Stephen, > > I hope you are the correct person for this question. > > I would like to write information into the MMIO trace file similar to > what the user space write to /sys/.../trace_marker would accomplish, > however, I want to do it in place of printk statements in the driver I'm > tracing. Do you have any suggestions on how to do this? I have tools to > merge the trace dump with dmesg output, but the latter lags behind and I > do not get good correlation.
You can use "trace_printk()". I think that is what you are looking for.
-- Steve
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