Messages in this thread | | | Subject | Re: [PATCH] of: introduce event tracepoints for dynamic device_node lifecyle | From | Frank Rowand <> | Date | Wed, 19 Apr 2017 22:13:13 -0700 |
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On 04/19/17 21:43, Frank Rowand wrote: > On 04/19/17 16:27, Tyrel Datwyler wrote: >> On 04/18/2017 06:31 PM, Michael Ellerman wrote:
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>> >> To get that same info as far as I know is to add a dump_stack() after >> each pr_debug. > > Here is a patch that I have used. It is not as user friendly in terms > of human readable stack traces (though a very small user space program > should be able to fix that). The patch is cut and pasted into this > email, so probably white space damaged.
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> + > + if (node) { > + int k; > + int refcount = refcount_read(&node->kobj.kref.refcount); > + pr_err("XXX get 0x%p %3d [0x%08lx 0x%08lx 0x%08lx 0x%08lx 0x%08lx 0x%08lx] ", > + node, refcount,
If this was a real patch, meant for people other than myself, the pr_err() would instead be pr_debug().
-Frank
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