[perf-discuss] Re: File events notification mechansim

2006-06-06 Thread Chris Rijk
> Here are a some of the file event types considered. > > FILE_OPEN File opened. > FILE_CLOSE File closed. > FILE_WRITE File was written to. > FILE_READ File was read. > FILE_ATTRIB_CHANGE File attributes changed > FILE_CREATE File/Directory was created. > FILE_REMOVE/UNLINK File/Directory was remo

[perf-discuss] Re: Re: Proposal for in-kernel buffering of CPC

2006-05-19 Thread Chris Rijk
Russ Blaine wrote: > A group of us at Sun have been thinking and talking about this for > years. It is certainly an enticing idea - the more data the kernel can > consider when making critical choices, the more efficient it can be > in parceling out resources. Heh. Once again, I get an idea, somet

[perf-discuss] Re: Proposal for in-kernel buffering of CPC overflow

2006-04-03 Thread Chris Rijk
I don't have any comments about the suggested implementation. However, what would be the downsides of integrating CPC collection into the kernel - so that CPC registers are a constant part of a LWP's state. So when a LWP starts running on a particular CPU core, the CPC counters are set to zero,