[perf-discuss] Re: T2000, Solaris / Express (and SPARCbuntu ?)

2006-05-18 Thread Martin
"If another major OS (Linux) is faster, it's a bug" is the OpenSolaris performance slogan. In this benchmark Ubuntu is getting approx. 22 000 requests per second compared to Nevada's 20 000. This should either be fixed (a bug according to the slogan), or you should consider helping this guy tu

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

2006-05-18 Thread Russ Blaine
Hey Chris, Chris Rijk wrote: 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

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

2006-05-18 Thread Russ Blaine
Sorry for jumping back into this discussion so much later... Jonathan Adams wrote: On Wed, Mar 08, 2006 at 11:32:05AM -0800, WILLIAM CHEN wrote: In response to the question of what happens if the buffer never overflows. One will not get an interrupt if the buffer does not overflow. In this ca