linux-kernel - Re: [PATCH RFC V2 4/4] tools: virtio: add a top-like utility for displaying vhost satistics

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Message-ID: <1397185491.6230.4.camel@localhost>
Date:	Fri, 11 Apr 2014 11:04:51 +0800
From:	Jason Wang <jasowang@...hat.com>
To:	Fam Zheng <famz@...hat.com>
Cc:	mst@...hat.com, kvm@...r.kernel.org,
	virtio-dev@...ts.oasis-open.org,
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC V2 4/4] tools: virtio: add a top-like utility for
 displaying vhost satistics

On Thu, 2014-04-10 at 17:27 +0800, Fam Zheng wrote:
> On Fri, 03/21 17:41, Jason Wang wrote:
> > This patch adds simple python to display vhost satistics of vhost, the codes
> > were based on kvm_stat script from qemu. As work function has been recored,
> > filters could be used to distinguish which kinds of work are being executed or
> > queued:
> > 
> > vhost statistics
> > 
> >  vhost_virtio_update_used_idx               1215215       0
> >  vhost_virtio_get_vq_desc                   1215215       0
> >  vhost_work_queue_wakeup                     986808       0
> >  vhost_virtio_signal                         811601       0
> >  vhost_net_tx                                611457       0
> >  vhost_net_rx                                603758       0
> >  vhost_net_tx(datacopy)                      601903       0
> >  vhost_work_queue_wakeup(rx_net)             565081       0
> >  vhost_virtio_signal(rx)                     461603       0
> >  vhost_work_queue_wakeup(tx_kick)            421718       0
> >  vhost_virtio_update_avail_event             417346       0
> >  vhost_virtio_signal(tx)                     349998       0
> >  vhost_work_queue_coalesce                    39384       0
> >  vhost_work_queue_coalesce(rx_net)            38677       0
> >  vhost_net_tx(zerocopy)                        9554       0
> >  vhost_work_queue_coalesce(tx_kick)             707       0
> >  vhost_work_queue_wakeup(rx_kick)                 9       0
> > 
> > Signed-off-by: Jason Wang <jasowang@...hat.com>
> > ---
> >  tools/virtio/vhost_stat | 375 ++++++++++++++++++++++++++++++++++++++++++++++++
> >  1 file changed, 375 insertions(+)
> >  create mode 100755 tools/virtio/vhost_stat
> > 
> > diff --git a/tools/virtio/vhost_stat b/tools/virtio/vhost_stat
> > new file mode 100755
> > index 0000000..398fd4a
> > --- /dev/null
> > +++ b/tools/virtio/vhost_stat
> > @@ -0,0 +1,375 @@
> > +#!/usr/bin/python
> > +#
> > +# top-like utility for displaying vhost statistics
> > +#
> > +# Copyright 2012 Red Hat, Inc.
> 
> Should it be 2014?
> 
> Fam
> 
> <snip>

Yes it should, thanks for pointing this out.

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