m...@bruningsystems.com wrote:
> Hi Jim,
> Jim Mauro wrote:
>>
>> mdb's memstat is cool in how it summarizes things, but it takes a very
>> long time to run on large systems. memstat is walking page lists, so
>> it should be quite accurate.
>> If you can live with the run time of ::memstat, it's currently your
>> best bet for memory accounting.
>>
> I have implemented a version of ::memstat that runs about 3 times
> faster on my
> 2GB laptop, and gives the almost exactly the results as the original
> memstat.  Here is what I do...
> Instead of using the page walker which basically walks hash chains, I
> read in
> the pages off of the memseg list, and then just go through them.  So,
> does this
> sound reasonable? The code for the modified memstat routine  is attached.
> See the README.memstat file for instructions on building and using.

Wow!  Thanks for posting this Max!!

benr.
_______________________________________________
perf-discuss mailing list
perf-discuss@opensolaris.org

Reply via email to