From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760745AbYJKUwR (ORCPT ); Sat, 11 Oct 2008 16:52:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754635AbYJKUwI (ORCPT ); Sat, 11 Oct 2008 16:52:08 -0400 Received: from fg-out-1718.google.com ([72.14.220.152]:8242 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754000AbYJKUwG (ORCPT ); Sat, 11 Oct 2008 16:52:06 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :content-type:content-transfer-encoding; b=qiGvn8zLiYOweMEiAinnMiEwbMcWEt/vwjtn0nqgtfSFlxUAjxQDRV9x5GlCYXv4MJ gsKEhhGnJAkjw2SwffBgvsPK7gnkdPa+8K4Nc5LtGfCbiBvdy6FMTSO2114RnJzQ3wLp DPl3kWhIeJUl4hei0N60+oo+zzzL5qnNGli7E= Message-ID: <48F111F0.3000704@gmail.com> Date: Sat, 11 Oct 2008 22:52:00 +0200 From: Frederic Weisbecker User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: Ingo Molnar CC: linux-kernel@vger.kernel.org Subject: [PATCH] tracing/ftrace: Make boot tracer select the sched_switch tracer Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If the boot tracer is selected but not the sched_switch, there will be a build failure: kernel/built-in.o: In function `boot_trace_init': trace_boot.c:(.text+0x5ee38): undefined reference to `sched_switch_trace' kernel/built-in.o: In function `disable_boot_trace': (.text+0x5eee1): undefined reference to `tracing_stop_cmdline_record' kernel/built-in.o: In function `enable_boot_trace': (.text+0x5ef11): undefined reference to `tracing_start_cmdline_record' This patch fixes it. Signed-off-by: Frederic Weisbecker --- diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 396aea1..d09c693 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -125,6 +125,7 @@ config BOOT_TRACER depends on HAVE_FTRACE depends on DEBUG_KERNEL select TRACING + select CONTEXT_SWITCH_TRACER help This tracer helps developers to optimize boot times: it records the timings of the initcalls. Its aim is to be parsed by the