![]() | |||||||||||||
Messages in this thread |
On Sun, 3 Jul 2005, Arjan van de Ven wrote: > > hmm. I wonder if a slightly different approach (based on the __slow) > idea would make sense > 1) Use -ffunction-sections option from gcc to put each function in it's > own section > 2) Use readprofile/oprofile data to collect an (external to the code) > list of hot/cold functions (we can put a default list in the kernel > source somewhere and allow people to measure their own if they want) > 3) Use this list to make a linker script to order the functions > > this way we don't need to put a lot of __slow's in the code *and* it's > based on measurements not assumptions, and can be tuned for a specific > situation in addition. This is reminiscent of "fur", whose source Old SCO opened. Google for SCO fur: amidst all the hits about "fur flying" you might find something useful! Hugh - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
| Last update: 2005-07-03 14:33 [W:0.200 / U:0.080 seconds] ©2003-2008 Jasper Spaans | |||||||||||||