Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759839Ab2JLQhS (ORCPT ); Fri, 12 Oct 2012 12:37:18 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:43324 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752524Ab2JLQhQ (ORCPT ); Fri, 12 Oct 2012 12:37:16 -0400 Message-ID: <50784729.4030302@ti.com> Date: Fri, 12 Oct 2012 11:36:57 -0500 From: Dan Murphy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120912 Thunderbird/15.0.1 MIME-Version: 1.0 To: Lee Jones CC: Arnd Bergmann , Russell King - ARM Linux , Greg Kroah-Hartman , Nishanth Menon , , , , Jonas Aaberg , Will Deacon , Mian Yousaf Kaukab Subject: Re: [PATCH] Boottime: A tool for automatic measurement of kernel/bootloader boot time References: <1349966545-19340-1-git-send-email-lee.jones@linaro.org> <20121012134542.GH12567@gmail.com> <20121012134813.GK21164@n2100.arm.linux.org.uk> <201210121353.16798.arnd@arndb.de> <20121012140149.GJ12567@gmail.com> In-Reply-To: <20121012140149.GJ12567@gmail.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1591 Lines: 37 On 10/12/2012 09:01 AM, Lee Jones wrote: > On Fri, 12 Oct 2012, Arnd Bergmann wrote: > >> On Friday 12 October 2012, Russell King - ARM Linux wrote: >>>> root@ME:/ cat /sys/kernel/debug/boottime/bootgraph >>>> [ 0.185254] calling splash+0x0/0x0 >>>> [ 2.984335] initcall splash+0x0/0x0 returned 0 after 2799 msecs. >>>> [ 2.984335] calling autoboot_delay+0x0/0x0 >>>> [ 4.089513] initcall autoboot_delay+0x0/0x0 returned 0 after 1105 msecs. >>>> [ 4.089513] calling load_kernel+0x0/0x0 >>>> [ 4.239174] initcall load_kernel+0x0/0x0 returned 0 after 149 msecs. >>>> [ 4.239174] calling boot_kernel+0x0/0x0 >>>> [ 4.276260] initcall boot_kernel+0x0/0x0 returned 0 after 37 msecs. >>>> [ 4.276260] calling uncompress_ll_init+0x0/0x0 >>>> [ 4.276260] initcall uncompress_ll_init+0x0/0x0 returned 0 after 0 msecs. >>>> [ 4.276260] Freeing init memory: 0K >>> Umm, what happened to sysfs not becoming procfs v2? I thought we had >>> a fairly strict requirement for "one value per file and not nicely >>> formatted" for sysfs? >>> >> I was thinking the same thing at first, but then I noticed it's actually >> debugfs, which has no such rules. > Right. :) > OK I don't see when boottime_activate is called. Where would this call actually be made from? I see the call to deactivate but no call to activate. Dan -- 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/