Re: How to get the code responsible for high CPU utilization
Re: How to get the code responsible for high CPU utilization
- Subject: Re: How to get the code responsible for high CPU utilization
- From: Conrad Shultz <email@hidden>
- Date: Thu, 16 Jun 2011 15:28:42 -0700
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On 6/16/11 3:18 PM, Sandeep wrote:
> Hi All,
>
> This might be a weird query. but is it possible some how to get the
> exact line of code causing high cpu utilization. Like in case of the
> Instrument Leaks we are able to make out the lines of code in our
> application that is causing the memory leaks. In similar way is there
> any instrument using which we are able to get the exact method or
> lines of code where the CPU utilization goes high.
This is probably more of a dev tools question, but the first thing that
comes to my head is to use the Time Profiler instrument... it will
sample your application periodically and basically build a histogram of
CPU usage by method, letting you see which method(s) are consuming the
most CPU time.
There is also a CPU Sampler instrument, but I am less familiar with it.
Finally, I think you can do this with DTrace, but for most purposes
using the higher level Instruments will give satisfactory results with
less of a learning curve.
- --
Conrad Shultz
Synthetiq Solutions
www.synthetiqsolutions.com
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