quoted

Implements trace_event support for uprobes. In its current form it can
be used to put probes at a specified offset in a file and dump the
required registers when the code flow reaches the probed address.

The following example shows how to dump the instruction pointer and %ax
a register at the probed text address.  Here we are trying to probe
zfree in /bin/zsh

Masami,

Can you ack this patch as well (only if you agree)

Masami already acked the patches and its now part of the -tip tree.

https://lkml.org/lkml/2012/4/12/163
and 

http://lkml.org/lkml/2012/4/12/164

and 

https://lkml.org/lkml/2012/4/16/115


and these patches got picked into -tip  on May 7 

f3f096c tracing: Provide trace events interface for uprobes
8ab83f5 tracing: Extract out common code for kprobes/uprobes trace events
3a6b766 tracing: Modify is_delete, is_return from int to bool

-- 
Thanks and Regards
Srikar

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