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Re: [Qemu-block] [PATCH v6 1/2] block/accounting: introduce latency hist

From: Eric Blake
Subject: Re: [Qemu-block] [PATCH v6 1/2] block/accounting: introduce latency histogram
Date: Sat, 10 Mar 2018 21:10:24 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 03/09/2018 10:52 AM, Vladimir Sementsov-Ogievskiy wrote:
Introduce latency histogram statics for block devices.
For each accounted operation type latency region [0, +inf) is

Hard to read; I suggest: s/type latency/type, the latency/

divided into subregions by several points. Then, calculate
hits for each subregion.

Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
  include/block/accounting.h | 35 ++++++++++++++++++
  block/accounting.c         | 91 ++++++++++++++++++++++++++++++++++++++++++++++
  2 files changed, 126 insertions(+)

Reviewed-by: Eric Blake <address@hidden>

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

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