Re: [patch-mm 07/23] Tick management: spread timer interrupt

On Sun, 2007-06-10 at 16:16 +0200, Andreas Mohr wrote:
> Hi,
> 
> On Sun, Jun 10, 2007 at 09:44:05AM -0000, Thomas Gleixner wrote:
> > From: john stultz <[email protected]>
> > 
> > After discussing w/ Thomas over IRC, it seems the issue is the sched
> > tick fires on every cpu at the same time, causing extra lock contention.
> 
> Hmm, the cpu-specific offset calculation isn't too expensive, hopefully?
> (div/mul in patch, maybe this could be done differently)

That's one time during setup, no hot path.

	tglx


-
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/

---

• Follow-Ups:
  • Re: [patch-mm 07/23] Tick management: spread timer interrupt
    • From: Andreas Mohr <[email protected]>

• References:
  • [patch-mm 00/23] High resolution timer updates and x86_64 support
    • From: Thomas Gleixner <[email protected]>
  • [patch-mm 07/23] Tick management: spread timer interrupt
    • From: Thomas Gleixner <[email protected]>
  • Re: [patch-mm 07/23] Tick management: spread timer interrupt
    • From: Andreas Mohr <[email protected]>

• Prev by Date: Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
• Next by Date: Re: [patch-mm 07/23] Tick management: spread timer interrupt
• Previous by thread: Re: [patch-mm 07/23] Tick management: spread timer interrupt
• Next by thread: Re: [patch-mm 07/23] Tick management: spread timer interrupt
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]