|From:||Linus Torvalds <torvalds-AT-osdl.org>|
|To:||Pavel Machek <pavel-AT-ucw.cz>|
|Subject:||Re: [PATCH][2.6] Completely out of line spinlocks / i386|
|Date:||Wed, 11 Aug 2004 15:13:15 -0700 (PDT)|
|Cc:||Zwane Mwaikambo <zwane-AT-linuxpower.ca>, Linux Kernel <linux-kernel-AT-vger.kernel.org>, Andrew Morton <akpm-AT-osdl.org>, Matt Mackall <mpm-AT-selenic.com>|
On Wed, 11 Aug 2004, Pavel Machek wrote: > > Fine, so perhaps we do not want config option? The inline spinlocks are _wonderful_ for seeing where the contention is in a simple profile. In contrast, in a profile the out-of-lines ones will show "x% was spent on spinlocks". Which doesn't help much when you want to see where the problem is. This was _hugely_ useful, at least for me, for seeing what locks were problematic. Linus - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to firstname.lastname@example.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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