From: Pekka Enberg <penberg@kernel.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Colin Cross <ccross@android.com>,
linux-kernel@vger.kernel.org,
Kyungmin Park <kmpark@infradead.org>,
Christoph Hellwig <hch@infradead.org>,
John Stultz <john.stultz@linaro.org>,
Rob Landley <rob@landley.net>, Arnd Bergmann <arnd@arndb.de>,
Andrew Morton <akpm@linux-foundation.org>,
Cyrill Gorcunov <gorcunov@openvz.org>,
David Rientjes <rientjes@google.com>,
Davidlohr Bueso <dave@gnu.org>, Kees Cook <keescook@chromium.org>,
Al Viro <viro@zeniv.linux.org.uk>,
Hugh Dickins <hughd@google.com>, Mel Gorman <mgorman@suse.de>,
Michel Lespinasse <walken@google.com>,
Rik van Riel <riel@redhat.com>,
Konstantin Khlebnikov <khlebnikov@openvz.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Rusty Russell <rusty@rustcorp.com.au>,
Oleg Nesterov <oleg@redhat.com>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Michal Hocko <mhocko@suse.cz>,
Anton Vorontsov <anton.vorontsov@linaro.org>,
Sasha Levin <sasha.levin@oracle.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Ingo Molnar <mingo@kernel.org>,
open@kvack.org, list@kvack.org,
DOCUMENTATION
<linux-doc@vger.kernel.org>open@kvack.orglist@kvack.org,
MEMORY MANAGEMENT <linux-mm@kvack.org>,
linux-arch@vger.kernel.org
Subject: Re: [PATCH] mm: add sys_madvise2 and MADV_NAME to name vmas
Date: Sat, 06 Jul 2013 09:33:05 +0300 [thread overview]
Message-ID: <51D7BA21.4030105@kernel.org> (raw)
In-Reply-To: <87txkaq600.fsf@xmission.com>
On 7/4/13 7:54 AM, Eric W. Biederman wrote:
> How can adding glittler to /proc/<pid>/maps and /proc/<pid>/smaps
> justify putting a hand break on the linux kernel?
It's not just glitter, it's potentially very useful for making
perf work nicely with JVM, for example, to know about JIT
codegen regions and GC regions.
The implementation seems very heavy-weight though and I'm not
convinced a new syscall makes sense.
Pekka
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next prev parent reply other threads:[~2013-07-06 6:33 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-04 1:31 [PATCH] mm: add sys_madvise2 and MADV_NAME to name vmas Colin Cross
2013-07-04 4:54 ` Eric W. Biederman
2013-07-04 6:32 ` Colin Cross
2013-07-05 16:52 ` Oleg Nesterov
2013-07-06 6:33 ` Pekka Enberg [this message]
2013-07-06 11:53 ` Eric W. Biederman
2013-07-07 18:35 ` Colin Cross
2013-07-14 1:38 ` Simon Jeons
2013-07-04 8:56 ` Peter Zijlstra
2013-07-05 20:25 ` Colin Cross
2013-07-10 23:20 ` Dave Hansen
2013-07-04 20:22 ` Oleg Nesterov
2013-07-05 19:40 ` Colin Cross
2013-07-08 18:04 ` [PATCH 0/1] mm: mempolicy: (Was: add sys_madvise2 and MADV_NAME to name vmas) Oleg Nesterov
2013-07-08 18:05 ` [PATCH 1/1] mm: mempolicy: fix mbind_range() && vma_adjust() interaction Oleg Nesterov
2013-07-08 22:29 ` KOSAKI Motohiro
2013-07-09 15:28 ` Oleg Nesterov
2013-07-09 19:43 ` Oleg Nesterov
2013-07-10 2:49 ` KOSAKI Motohiro
2013-07-09 21:56 ` Andrew Morton
2013-07-10 15:45 ` Oleg Nesterov
2013-07-24 9:40 ` [PATCH] mm: add sys_madvise2 and MADV_NAME to name vmas Jan Glauber
2013-07-24 20:05 ` Colin Cross
2013-07-10 23:08 ` Dave Hansen
[not found] ` <CAMbhsRTio2mS=azWTxSdRdaZJRRf5FfMNoQUZmrFjkB7kv9LSQ@mail.gmail.com>
2013-07-10 23:38 ` Dave Hansen
[not found] ` <CAMbhsRTs45QE1ze6mvdiL2QYKD0dHjXoRk7o1h2Y_rYP80ckDg@mail.gmail.com>
2013-07-11 0:19 ` Dave Hansen
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