linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: cov@codeaurora.org (Christopher Covington)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] arm_arch_timer: introduce arch_timer_stolen_ticks
Date: Wed, 01 May 2013 16:36:14 -0400	[thread overview]
Message-ID: <51817CBE.4050003@codeaurora.org> (raw)
In-Reply-To: <1367436460-10183-1-git-send-email-stefano.stabellini@eu.citrix.com>

Hi Stefano,

On 05/01/2013 03:27 PM, Stefano Stabellini wrote:
> Introduce a function, called arch_timer_stolen_ticks, called from the
> arch_timer interrupt handler to account for stolen ticks.

[...]

> diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h
> index 7ade91d..30db413 100644
> --- a/arch/arm/include/asm/arch_timer.h
> +++ b/arch/arm/include/asm/arch_timer.h
> @@ -13,6 +13,11 @@
>  int arch_timer_of_register(void);
>  int arch_timer_sched_clock_init(void);
>  
> +/* per-platform function to calculate stolen ticks (clock cycles stolen
> + * to the vcpu by the hypervisor).

Stolen from the vcpu by the hypervisor?

Is the hypervisor adjusting the Virtual Offset Register?

[...]

Thanks,
Christopher

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by the Linux Foundation.

  reply	other threads:[~2013-05-01 20:36 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-01 19:27 [PATCH 0/3] xen/arm: account for stolen ticks Stefano Stabellini
2013-05-01 19:27 ` [PATCH 1/3] arm_arch_timer: introduce arch_timer_stolen_ticks Stefano Stabellini
2013-05-01 20:36   ` Christopher Covington [this message]
2013-05-02  8:19     ` [Xen-devel] " Ian Campbell
2013-05-02 21:33       ` Christopher Covington
2013-05-03 10:43         ` Stefano Stabellini
2013-05-03 10:54           ` Marc Zyngier
2013-05-05 16:47             ` Stefano Stabellini
2013-05-06 14:55               ` Christopher Covington
2013-05-06 14:35         ` Konrad Rzeszutek Wilk
2013-05-07 16:17           ` Christopher Covington
2013-05-08 11:19             ` Stefano Stabellini
2013-05-08 11:48               ` Christopher Covington
2013-05-01 19:27 ` [PATCH 2/3] xen: move do_stolen_accounting to drivers/xen/time.c Stefano Stabellini
2013-05-02  8:19   ` [Xen-devel] " Ian Campbell
2013-05-02 18:49   ` Christopher Covington
2013-05-03  8:26     ` [Xen-devel] " Ian Campbell
2013-05-03 10:29       ` Stefano Stabellini
2013-05-01 19:27 ` [PATCH 3/3] xen/arm: account for stolen ticks Stefano Stabellini
2013-05-02  8:21   ` [Xen-devel] " Ian Campbell
2013-05-02 10:38     ` Stefano Stabellini
2013-05-02 10:48       ` Ian Campbell
2013-05-02 10:54         ` Stefano Stabellini
2013-05-02 11:02           ` Ian Campbell
2013-05-02 11:04             ` Stefano Stabellini

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=51817CBE.4050003@codeaurora.org \
    --to=cov@codeaurora.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).