On 04/19/17 21:43, Frank Rowand wrote:

On 04/19/17 16:27, Tyrel Datwyler wrote:

quoted

On 04/18/2017 06:31 PM, Michael Ellerman wrote:

< snip >

quoted

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.

< snip >

+
+	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

< snip >