linux-kernel - Re: [PATCH 6/6] tracing/fastboot: Print ktime of sched events when boot tracing

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Date:	Fri, 10 Oct 2008 21:45:30 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Arjan van de Ven <arjan@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linux-Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/6] tracing/fastboot: Print ktime of sched events when
	boot tracing


* Ingo Molnar <mingo@...e.hu> wrote:

> Your other patches look good and i've applied them to 
> tip/tracing/fastboot:
> 
>  3981ce9: tracing/fastboot: use sched switch tracer from boot tracer
>  563582a: tracing/ftrace: remove unused code in sched_switch tracer
>  d25b1ce: tracing/ftrace: fix a race condition in sched_switch tracer

hm, there's a new 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 revert solves the problem:

commit b80bebdc1718c02947468df227b7f4414d8dcce8
Author: Ingo Molnar <mingo@...e.hu>
Date:   Fri Oct 10 21:44:24 2008 +0200

    Revert "tracing/fastboot: use sched switch tracer from boot tracer"

    This reverts commit 124cecce4145c590ae391fe12962653be8a05658.

Config attached.

	Ingo

View attachment "config" of type "text/plain" (60649 bytes)