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Re: [Qemu-block] [Qemu-devel] [PATCH 0/2] RFC: Rolling statistics
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH 0/2] RFC: Rolling statistics |
Date: |
Mon, 02 Mar 2015 10:50:49 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) |
Copying qemu-block, because it could be of interest for block I/O
accounting.
"Dr. David Alan Gilbert (git)" <address@hidden> writes:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> Hi,
> This is an attempt at a generic rolling statistics utility to
> allow data (e.g. bandwidth usage, times etc) to be collected
> easily. They hold some basic values (min/max/mean/weighted mean)
> and the last 'n' raw values. I'd like to use this
> maybe in fault-tolerance code.
>
> This is a first cut, and I think I probably need to rework it
> as a qapi type somehow, but I'm interested in thoughts.
>
> Dave
>
>
> Dr. David Alan Gilbert (2):
> Rolling statistics utilities
> Tests for rolling statistics code
>
> include/qemu/rolling-stats.h | 101 +++++++++++
> include/qemu/typedefs.h | 1 +
> tests/Makefile | 3 +
> tests/test-rolling-stats.c | 161 ++++++++++++++++++
> util/Makefile.objs | 1 +
> util/rolling-stats.c | 393
> +++++++++++++++++++++++++++++++++++++++++++
> 6 files changed, 660 insertions(+)
> create mode 100644 include/qemu/rolling-stats.h
> create mode 100644 tests/test-rolling-stats.c
> create mode 100644 util/rolling-stats.c
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Markus Armbruster <=