Re: [Valgrind-users] instruction trace

[Vimal R. <vim...@ya...>]

I used Sun's shade. It's pretty good and also has the option where you can
choose to trace annulled (squashed) instructions. Which I guess would be the
same as the number of instructions issued (?).
The standard download also comes with a program (icount.c) that you can easily
compile and run.

Hope that helps.

Thanks,
Vimal


--- Nicholas Nethercote <nj...@ca...> wrote:
> On 29 Apr 2003, David Brumley wrote:
> 
> > Is it possible to use valgrind to get a total number of x86 assembly
> > instructions issued?  Specifically, I'm trying to see how many assembly
> > instructions are issued for a given input into a crypto library.  I've
> > looked and used profiling tools such as vtune and got total number of
> > instructions retired, but that's not quite what I'm interested in.  I
> > want the total number of assembly instructions given to the processor...
> 
> Lackey and Cachegrind (Valgrind skins, use --skin=lackey or
> --skin=cachegrind in any version later than 1.0.4) both measure x86
> instructions retired (I think?  I guess so) but not the number issued.
> 
> > If not valgrind, does anyone have any suggestions?  I can't find any
> > good execution tracing tools for x86 and linux....
> 
> You want Rabbit: www.scl.ameslab.gov/Projects/Rabbit/.  I've used it lots,
> it's very good, gives you access to all your machine's performance
> counters.  I have an Athlon, I know it gives you both instructions issued
> and retired, I think the Pentium counters probably give you those two.
> 
> Or if you have a P4, Brink+Abyss:
> www.eg.bucknell.edu/~bsprunt/emon/brink_abyss/brink_abyss.shtm.  I haven't
> tried it, but it looks very powerful.
> 
> N
> 
> 
> 
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=====
Vimal Reddy
Graduate Student, ECE
North Carolina State University
Raleigh, NC
Ph: (919) 836-8254 Web: http://www4.ncsu.edu/~vkreddy

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