> I am trying to profile my multi threaded application using Valgrind i have 
> aome questions
> 
> 1:-  I can use valgrind on a Target (ARM)

armv7 is the official minimum hardware requirement,
although patches are available for running memcheck on armv5tel.
[The patches are being ignored.  You can find them by searching
bugs.kde.org and/or the valgrind mailing lists.  Start with bugs
266035, 283671, and 290974.]

> 2:- Helgrind is not able to show me any thread info whn i m usning
> 
> valgrind  --tool=helgrind -v --error-limit=no ./application
> Its keep running the application no thread info
> 
> 3:- I also want to profile each thread status also

Run the app on some other architecture for which valgrind has better
support: x86, x86_64, powerpc.  The benefits of using valgrind are
large enough that it is worthwhile to create "dummy" software modules
which simulate the functions of any ARM-specific hardware or environment.

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