Paul Durrant wrote:
Pradeep wrote:
I am developing a gldv3 network driver , i need
some information about profiling the driver. Is there any tool
or method available in solaris which can profile the driver like
oprofile in linux . All i want to know which function is using how
much percentage of cpu and all
driver-discuss is probably more appropriate for this discussion, but
you should start by looking at lockstat (-I and -i options) and the
dtrace cpc provider.
Paul
Back in the Surya-II era, I did some benchmarking using "er_kernel" to
do kernel profiling. Its built on top of dtrace. You can google for
"er_kernel" to find documentation on it in the Sun Studio
documentation. The "analyzer" tool that is part of it can give a good
graphical representation of where the time is spent, allowing you to
drill down to the individual instruction level. (Its a pretty amazing
tool.)
- Garrett
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