Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752783AbdIRN7X (ORCPT ); Mon, 18 Sep 2017 09:59:23 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:57464 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752220AbdIRN7W (ORCPT ); Mon, 18 Sep 2017 09:59:22 -0400 Date: Mon, 18 Sep 2017 15:59:33 +0200 From: Greg KH To: kys@microsoft.com Cc: linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, jasowang@redhat.com, leann.ogasawara@canonical.com, marcelo.cerri@canonical.com, sthemmin@microsoft.com Subject: Re: [PATCH V2 4/4] Drivers: hv: vmbus: Expose per-channel event counters events counters Message-ID: <20170918135933.GC21077@kroah.com> References: <20170918034955.10913-1-kys@exchange.microsoft.com> <20170918035419.11062-1-kys@exchange.microsoft.com> <20170918035419.11062-4-kys@exchange.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170918035419.11062-4-kys@exchange.microsoft.com> User-Agent: Mutt/1.9.0 (2017-09-02) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 756 Lines: 17 On Sun, Sep 17, 2017 at 08:54:19PM -0700, kys@exchange.microsoft.com wrote: > From: Stephen Hemminger > > 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 > Signed-off-by: K. Y. Srinivasan > --- > 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(+) How is this a fix and not just a new feature?