Messages in this thread | | | Subject | Re: [PATCH 1/8] SGI x86_64 UV: Add limit console output function | From | Steven Rostedt <> | Date | Mon, 26 Oct 2009 14:51:09 -0400 |
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On Mon, 2009-10-26 at 11:05 -0700, Mike Travis wrote:
> I haven't heard of "trace_printk" but how does this differ from the > existing kernel log buffer you get with 'dmesg'? >
It goes into the ftrace ring buffer and does not print to console. Nor does it print to dmesg. Currently you need to read ftrace (via the debugfs) to get to it. Or a sysrq-z will print it out to the console.
-- Steve
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