From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14437 invoked by alias); 23 Aug 2012 14:33:30 -0000 Received: (qmail 14429 invoked by uid 22791); 23 Aug 2012 14:33:29 -0000 X-SWARE-Spam-Status: No, hits=-3.9 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,RP_MATCHES_RCVD,SPF_SOFTFAIL X-Spam-Check-By: sourceware.org Received: from e7.ny.us.ibm.com (HELO e7.ny.us.ibm.com) (32.97.182.137) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 23 Aug 2012 14:33:15 +0000 Received: from /spool/local by e7.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 23 Aug 2012 10:33:14 -0400 Received: from d01dlp02.pok.ibm.com (9.56.250.167) by e7.ny.us.ibm.com (192.168.1.107) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Thu, 23 Aug 2012 10:33:11 -0400 Received: from d01relay06.pok.ibm.com (d01relay06.pok.ibm.com [9.56.227.116]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id 9D2376E8039 for ; Thu, 23 Aug 2012 10:33:10 -0400 (EDT) Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay06.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q7NEX94S32964750 for ; Thu, 23 Aug 2012 10:33:09 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q7NEX8uL009219 for ; Thu, 23 Aug 2012 10:33:08 -0400 Received: from thinktux.localdomain ([9.77.204.25]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id q7NEX7Ij009125; Thu, 23 Aug 2012 10:33:08 -0400 Received: by thinktux.localdomain (Postfix, from userid 500) id 83BB52219A5; Thu, 23 Aug 2012 20:03:04 +0530 (IST) Date: Thu, 23 Aug 2012 14:33:00 -0000 From: Ananth N Mavinakayanahalli To: Maneesh Soni Cc: Victor Kamensky , systemtap@sourceware.org, Josh Stone , Per Hallsmark , Wade Farnsworth Subject: Re: What about MIPS support? Message-ID: <20120823143304.GA26587@in.ibm.com> Reply-To: ananth@in.ibm.com References: <20120823022252.GA10067@cisco.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120823022252.GA10067@cisco.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12082314-5806-0000-0000-000018B7620B X-IsSubscribed: yes Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org X-SW-Source: 2012-q3/txt/msg00238.txt.bz2 On Thu, Aug 23, 2012 at 07:52:52AM +0530, Maneesh Soni wrote: > On Wed, Aug 22, 2012 at 01:04:12PM -0700, Victor Kamensky wrote: > .... > > Wrt of MIPS kprobes, it should be there already, somewhere in latest > > kernel. Most of support was there for a while. Maneesh and I > > contributed patch that let probe be inserted into jump instructions > > (that was limitation of original implementation, which we quickly > > discovered when we used for real cases). We worked on top 2.6.32 > > kernel. As understand there is current gradual departure from > > uprobes .. so our mips uprobes part may need rework a bit. > ^^^^^^ I guess you meant utrace? > > > Actually the current (as in mainline kernel) approach for uprobes > is not using utrace, so there could be almost a re-write effort. ... though it shouldn't be a major one; see for instance my port to powerpc http://patchwork.ozlabs.org/patch/179260/ currently under review/discussion. Ananth