Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757627AbZFJAHj (ORCPT ); Tue, 9 Jun 2009 20:07:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752777AbZFJAHc (ORCPT ); Tue, 9 Jun 2009 20:07:32 -0400 Received: from terminus.zytor.com ([198.137.202.10]:56497 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752108AbZFJAHb (ORCPT ); Tue, 9 Jun 2009 20:07:31 -0400 Message-ID: <4A2EF93E.70807@zytor.com> Date: Tue, 09 Jun 2009 17:07:26 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: Andrew Morton CC: Ray Lee , renton@renton.name, linux-kernel@vger.kernel.org Subject: Re: devpts mounts too slowly References: <20090603142801.GC21646@beaver.vrungel.ru> <4A26EB18.6060907@zytor.com> <20090609161945.811cc01f.akpm@linux-foundation.org> <2c0942db0906091630l1cc79647h8689e9e929ed1bba@mail.gmail.com> <20090609165304.add1a872.akpm@linux-foundation.org> In-Reply-To: <20090609165304.add1a872.akpm@linux-foundation.org> Content-Type: multipart/mixed; boundary="------------050302000901070002020701" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1200 Lines: 33 This is a multi-part message in MIME format. --------------050302000901070002020701 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Andrew Morton wrote: > hm, OK. > > I've now mounted 15000 devpts's and still no slowdown is evident. This is the test script I used; graphing the results is quite interesting. -hpa --------------050302000901070002020701 Content-Type: application/x-shellscript; name="test.sh" Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="test.sh" IyEvYmluL3NoCnJvb3Q9L3RtcC9kZXZwdHMKVElNRUZPUk1BVD0nJTNTJwpuPTEwMDAwMApm b3IgYSBpbiBgc2VxIDEgJG5gOyBkbwogIG1rZGlyIC1wICRyb290LyRhL2Rldi9wdHMKICAj IHRpbWUgbW91bnQgLW4gLWkgLXQgZGV2cHRzIG5vbmUgJHJvb3QvJGEvZGV2L3B0cwogIHRp bWUgbW91bnQgLW4gLWkgLXQgcmFtZnMgbm9uZSAkcm9vdC8kYS9kZXYvcHRzCmRvbmUKZm9y IGEgaW4gYHNlcSAxICRuYDsgZG8KICB1bW91bnQgLW4gJHJvb3QvJGEvZGV2L3B0cwpkb25l CnJtIC1yZiAkcm9vdAo= --------------050302000901070002020701-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/