linux-kernel - Re: [PATCH v4 00/10] hugetlbfs: add fallocate support

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Message-ID: <1437605640.3298.16.camel@stgolabs.net>
Date:	Wed, 22 Jul 2015 15:54:00 -0700
From:	Davidlohr Bueso <dave@...olabs.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Mike Kravetz <mike.kravetz@...cle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	David Rientjes <rientjes@...gle.com>,
	Hugh Dickins <hughd@...gle.com>,
	Aneesh Kumar <aneesh.kumar@...ux.vnet.ibm.com>,
	Hillf Danton <hillf.zj@...baba-inc.com>,
	Christoph Hellwig <hch@...radead.org>,
	Michal Hocko <mhocko@...e.cz>
Subject: Re: [PATCH v4 00/10] hugetlbfs: add fallocate support

On Wed, 2015-07-22 at 15:50 -0700, Davidlohr Bueso wrote:
> On Wed, 2015-07-22 at 15:37 -0700, Andrew Morton wrote:
> > On Wed, 22 Jul 2015 15:34:34 -0700 Davidlohr Bueso <dave@...olabs.net> wrote:
> > 
> > > On Wed, 2015-07-22 at 15:30 -0700, Andrew Morton wrote:
> > > > selftests is a pretty scrappy place.  It's partly a dumping ground for
> > > > things so useful test code doesn't just get lost and bitrotted.  Partly
> > > > a framework so people who add features can easily test them. Partly to
> > > > provide tools to architecture maintainers when they wire up new
> > > > syscalls and the like.
> > > 
> > > Yeah, ipc, for instance, also sucks _badly_ in selftests.
> > 
> > What testsuite should people be using for IPC?
> 
> The best I've found is using the ipc parts of LTP. It's caught a lot of
> bugs in the past. Unsurprisingly, I believe Fengguang has this
> automated.
> 
> Manfred also has a few for more specific purposes -- which also serve
> for performance testing:
> https://github.com/manfred-colorfu/ipcsemtest
> https://github.com/manfred-colorfu/ipcscale
> 
> iirc Dave Hansen also had written some shm-specific tests.

I also used to rely on multiple Oracle 11g RDBMS workloads and
benchmarks, particularly for dealing with sysv sems. Unfortunately I no
longer have the required licenses :(

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