linux-kernel - RE: [PATCH 2/2] Drivers: hv: vmbus: Expose per-channel interrupts and events counters

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Date:   Wed, 4 Oct 2017 13:56:14 +0000
From:   KY Srinivasan <kys@...rosoft.com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        "olaf@...fle.de" <olaf@...fle.de>,
        "apw@...onical.com" <apw@...onical.com>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "leann.ogasawara@...onical.com" <leann.ogasawara@...onical.com>,
        "marcelo.cerri@...onical.com" <marcelo.cerri@...onical.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>
Subject: RE: [PATCH 2/2] Drivers: hv: vmbus: Expose per-channel interrupts and
 events counters



> -----Original Message-----
> From: Greg KH [mailto:gregkh@...uxfoundation.org]
> Sent: Wednesday, October 4, 2017 1:49 AM
> To: KY Srinivasan <kys@...rosoft.com>
> Cc: linux-kernel@...r.kernel.org; devel@...uxdriverproject.org;
> olaf@...fle.de; apw@...onical.com; vkuznets@...hat.com;
> jasowang@...hat.com; leann.ogasawara@...onical.com;
> marcelo.cerri@...onical.com; Stephen Hemminger
> <sthemmin@...rosoft.com>
> Subject: Re: [PATCH 2/2] Drivers: hv: vmbus: Expose per-channel interrupts
> and events counters
> 
> On Thu, Sep 21, 2017 at 08:58:50PM -0700, kys@...hange.microsoft.com
> wrote:
> > From: Stephen Hemminger <stephen@...workplumber.org>
> >
> > When investigating performance, it is useful to be able to look at
> > the number of host and guest events per-channel. This is equivalent
> > to per-device interrupt statistics.
> >
> > Signed-off-by: Stephen Hemminger <sthemmin@...rosoft.com>
> > Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> > ---
> >  Documentation/ABI/stable/sysfs-bus-vmbus | 14 ++++++++++++++
> >  drivers/hv/connection.c                  |  2 ++
> >  drivers/hv/vmbus_drv.c                   | 18 ++++++++++++++++++
> >  include/linux/hyperv.h                   |  4 ++++
> >  4 files changed, 38 insertions(+)
> 
> This patch didn't apply to my tree, can you rebase and resend it?

Will do.

K. Y
> 
> thanks,
> 
> greg k-h