Profiling issue (OT)

[Ron Scott-Adams]

There’s scant information here to provide help. In general, strace or so could turn up something interesting, but it’s impossible to say. What is this application? If it hangs and you don’t know what it’s doing, you need some visibility into what it’s asking the OS to do.


Ron Scott-Adams
ron at tohuw.net
"Nothing in the world can take the place of persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination alone are omnipotent. The slogan "press on" has solved and always will solve the problems of the human race." (Calvin Coolidge)






On Feb 13, 2014, at 5:04 PM, MR ZenWiz <mrzenwiz at gmail.com> wrote:

> This is not Ubuntu specific, but I'm not sure where to go on it.
> 
> I am trying to profile a large scale Linux business application with
> gprof and I've hit a rather strange problem.
> 
> The app is a backup and restore application that handles huge
> datasets.  I'm trying to track down some performance issues with it,
> but whenever the profiling version of the app runs on the full size
> dataset, it hangs at the end doing I have no idea what.  The
> non-profiling version never shows this problem.
> 
> What would be the best place to look for issues like this?  I've asked
> at FSF (since it's a gcc/g++ compile option) and someone who posted an
> article about gprof that I may know, but Google hasn't been terribly
> helpful so far.
> 
> Thanks!
> 
> MR
> 
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