From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 58564 invoked by alias); 16 Jul 2015 08:59:57 -0000 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 Received: (qmail 58556 invoked by uid 89); 16 Jul 2015 08:59:56 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.1 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_LOW,RP_MATCHES_RCVD,SPF_HELO_PASS,SPF_PASS,UNPARSEABLE_RELAY autolearn=ham version=3.3.2 X-HELO: plane.gmane.org Received: from plane.gmane.org (HELO plane.gmane.org) (80.91.229.3) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-SHA encrypted) ESMTPS; Thu, 16 Jul 2015 08:59:55 +0000 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1ZFf1D-0006gU-5I for systemtap@sourceware.org; Thu, 16 Jul 2015 10:59:51 +0200 Received: from abts-north-dynamic-250.232.69.182.airtelbroadband.in ([abts-north-dynamic-250.232.69.182.airtelbroadband.in]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 16 Jul 2015 10:59:51 +0200 Received: from panand by abts-north-dynamic-250.232.69.182.airtelbroadband.in with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 16 Jul 2015 10:59:51 +0200 To: systemtap@sourceware.org From: Pratyush Anand Subject: Re: [PATCH -tip v11 0/7] kprobes: =?utf-8?b?Tk9LUFJPQkVfU1lNQk9M?= for modules, and scalbility efforts Date: Thu, 16 Jul 2015 08:59:00 -0000 Message-ID: References: <20140514082034.5791.38607.stgit@ltc230.yrl.intra.hitachi.co.jp> <55A71A9D.10603@hitachi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit User-Agent: Loom/3.14 (http://gmane.org/) X-IsSubscribed: yes X-SW-Source: 2015-q3/txt/msg00040.txt.bz2 Masami Hiramatsu hitachi.com> writes: > > On 2015/07/09 20:40, Pratyush Anand wrote: > > It seems a useful series and without these patches system becomes extremely > > slow with large number of kprobes enabled. > > Yes, I should revise it for the latest kernel... Thanks :-) [...] > BTW, have you ever tried to analyze hot spot by using perf? > Not yet, but I will try on my ARM64 platform and will share findings with you. ~Pratyush