From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: Re: [PATCH v3] perf tools: Add symfs option for off-box analysis using specified tree Date: Tue, 14 Dec 2010 12:06:04 -0200 Message-ID: <20101214140604.GC13425@ghostprotocols.net> References: <1291926427-28846-1-git-send-email-daahern@cisco.com> <20101214122428.GA13425@ghostprotocols.net> <20101214125245.GB13425@ghostprotocols.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-yw0-f46.google.com ([209.85.213.46]:49920 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750994Ab0LNOGK (ORCPT ); Tue, 14 Dec 2010 09:06:10 -0500 Content-Disposition: inline In-Reply-To: <20101214125245.GB13425@ghostprotocols.net> Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: David Ahern Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Em Tue, Dec 14, 2010 at 10:52:45AM -0200, Arnaldo Carvalho de Melo escreveu: > Ok, there are still some problems: > > It is escaping the symfs jail for /home/acme/bin/perf, /lib64/libpthread-2.5.so > and kernel modules, investigating... Those 'G' signals means DSO__ORIG_GUEST_KMODULE, since you were not prefixing that case with symfs, it was the jail leak point, fixed, doing some more testing before merging. > [acme@mica linux]$ find /tmp/bla > /tmp/bla > /tmp/bla/lib64 > /tmp/bla/lib64/libc-2.5.so > [acme@mica linux]$ perf report -v -g none --stdio --symfs /tmp/bla > Failed to open [kernel.kallsyms], continuing without symbols > # Events: 503 cycles > # > # Overhead Command Shared Object Symbol > # ........ .......... ..................................... .................... > # > 0.84% perf /home/acme/bin/perf 0x26bf1 G [.] die_builtin > 0.21% perf /home/acme/bin/perf 0x1db4b G [.] event__synthesize_kernel_mmap > 0.21% perf /home/acme/bin/perf 0x4700 G [.] _init > 0.21% perf /home/acme/bin/perf 0x1deca G [.] event__synthesize_comm > 0.21% perf /lib64/libpthread-2.5.so 0xd210 G [.] __write_nocancel > 0.21% perf /home/acme/bin/perf 0xddbd G [.] atexit_header > 0.03% kworker/0:1 /lib/modules/2.6.37-rc3/.../ixgbe.ko 0x605 G [k] ixgbe_update_stats