linux-kernel - Re: [PATCH v3 0/7] Dynamic Pause Loop Exiting window.

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Date:	Fri, 22 Aug 2014 00:10:58 +0530
From:	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>
To:	Radim Krčmář <rkrcmar@...hat.com>
CC:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Paolo Bonzini <pbonzini@...hat.com>,
	Gleb Natapov <gleb@...nel.org>,
	Vinod Chegu <chegu_vinod@...com>,
	Hui-Zhi Zhao <hui-zhi.zhao@...com>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	Lisa Mitchell <lisa.mitchell@...com>
Subject: Re: [PATCH v3 0/7] Dynamic Pause Loop Exiting window.

On 08/21/2014 09:38 PM, Radim Krčmář wrote:
> v2 -> v3:
>   * copy&paste frenzy [v3 4/7] (split modify_ple_window)
>   * commented update_ple_window_actual_max [v3 4/7]
>   * renamed shrinker to modifier [v3 4/7]
>   * removed an extraneous max(new, ple_window) [v3 4/7] (should have been in v2)
>   * changed tracepoint argument type, printing and macro abstractions [v3 5/7]
>   * renamed ple_t to ple_int [v3 6/7] (visible in modinfo)
>   * intelligent updates of ple_window [v3 7/7]
>
> ---
> v1 -> v2:
>   * squashed [v1 4/9] and [v1 5/9] (clamping)
>   * dropped [v1 7/9] (CPP abstractions)
>   * merged core of [v1 9/9] into [v1 4/9] (automatic maximum)
>   * reworked kernel_param_ops: closer to pure int [v2 6/6]
>   * introduced ple_window_actual_max & reworked clamping [v2 4/6]
>   * added seqlock for parameter modifications [v2 6/6]
>
> ---

Was able to test, both V1 and V2. and trace showed good behaviour of 
ple_window in undercommit and overcommit.
Considering V3 does not have any change w.r.t functionality except 
intelligent update with dirty field, Please feel free to add

Tested-by: Raghavendra KT <raghavendra.kt@...ux.vnet.ibm.com>

I do have some observations and comments though.

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