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Re: [Xen-devel] lock contention measuring code?
| To: | Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, "Xen-Devel (E-mail)" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] lock contention measuring code? |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Tue, 07 Apr 2009 22:35:12 +0100 |
| Cc: | |
| Delivery-date: | Tue, 07 Apr 2009 14:35:41 -0700 |
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| Thread-topic: | [Xen-devel] lock contention measuring code? |
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On 07/04/2009 19:41, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote: >> I don't remember such a patch. > > Hmmm... maybe it was a patch in xenlinux? > >> probably wouldn't be hard to knock something up? > > Maybe if I were an x86 assembly guru ;-) It doesn't need to be done in assembly code. The spinlock C functions are all in C file common/spinlock.c and all the try-and-spin logic is implemented in C now. Only try-to-take-lock and unlock are in asm. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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