On Tue, 21 Aug 2007, Mathieu Desnoyers wrote: > Therefore, in the test where we have separate passes for slub allocation > and free, we hit mostly the slow path. Any particular reason for that ? Maybe on SMP you are schedule to run on a different processor? Note that I ran my tests at early boot where such effects do not occur. > Note that the alloc/free test (test 2) seems to hit the fast path as > expected. It is much more likely in that case that the execution thread stays on one processor. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- References:
- [patch 00/23] cmpxchg_local and cmpxchg64_local implementation
- From: Mathieu Desnoyers <[email protected]>
- [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Mathieu Desnoyers <[email protected]>
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Christoph Lameter <[email protected]>
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Mathieu Desnoyers <[email protected]>
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Christoph Lameter <[email protected]>
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Mathieu Desnoyers <[email protected]>
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Christoph Lameter <[email protected]>
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Mathieu Desnoyers <[email protected]>
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Christoph Lameter <[email protected]>
- [PATCH] SLUB use cmpxchg_local
- From: Mathieu Desnoyers <[email protected]>
- Re: [PATCH] SLUB use cmpxchg_local
- From: Mathieu Desnoyers <[email protected]>
- [patch 00/23] cmpxchg_local and cmpxchg64_local implementation
- Prev by Date: Re: [RFC 0/7] Postphone reclaim laundry to write at high water marks
- Next by Date: Re: [PATCH 2/3] dma: override "dma_flags_set_dmaflush" for sn-ia64
- Previous by thread: Re: [PATCH] SLUB use cmpxchg_local
- Next by thread: Re: [PATCH] SLUB use cmpxchg_local
- Index(es):
 |