Re: [Qemu-block] [Qemu-devel] [PATCH v2 0/2] block latency histogram

[Eric Blake]

On 03/06/2018 10:00 AM, Stefan Hajnoczi wrote:
> On Wed, Feb 07, 2018 at 03:50:35PM +0300, Vladimir Sementsov-Ogievskiy wrote:
> > v2:
> >
> > 01: add block_latency_histogram_clear()
> > 02: fix spelling (sorry =()
> >      some rewordings
> >      remove histogram if latency parameter unspecified
> >
> > Vladimir Sementsov-Ogievskiy (2):
> >    block/accounting: introduce latency histogram
> >    qapi: add block latency histogram interface
> >
> >   qapi/block-core.json       | 73 +++++++++++++++++++++++++++++++++-
> >   include/block/accounting.h |  9 +++++
> >   block/accounting.c         | 97 ++++++++++++++++++++++++++++++++++++++++++++++
> >   block/qapi.c               | 31 +++++++++++++++
> >   blockdev.c                 | 19 +++++++++
> >   5 files changed, 228 insertions(+), 1 deletion(-)
>
> The feature looks good.  I posted documentation and code readability
> suggestions.

I also think it makes sense; if a v3 hits the list in time, I will 
probably include it in my last QAPI pull before softfreeze.

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org