Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932722AbaDVOpL (ORCPT ); Tue, 22 Apr 2014 10:45:11 -0400 Received: from mail-ee0-f45.google.com ([74.125.83.45]:63151 "EHLO mail-ee0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756073AbaDVOpI (ORCPT ); Tue, 22 Apr 2014 10:45:08 -0400 Date: Tue, 22 Apr 2014 16:45:04 +0200 From: Ingo Molnar To: Drew Richardson Cc: Ingo Molnar , Peter Zijlstra , linux-kernel@vger.kernel.org, Pawel Moll Subject: Re: [PATCH] Export sched tracepoints for use by kernel modules Message-ID: <20140422144503.GA15892@gmail.com> References: <20140422142313.GB21121@dreric01-Precision-T1600> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140422142313.GB21121@dreric01-Precision-T1600> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Drew Richardson wrote: > After commit de7b2973903c6cc50b31ee5682a69b2219b9919d ("tracepoint: > Use struct pointer instead of name hash for reg/unreg tracepoints"), > any tracepoints used in a kernel module must be exported. > > Signed-off-by: Drew Richardson > Acked-by: Pawel Moll > --- > kernel/sched/core.c | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > > diff --git a/kernel/sched/core.c b/kernel/sched/core.c > index 268a45ea238c..cdb8e92ff24a 100644 > --- a/kernel/sched/core.c > +++ b/kernel/sched/core.c > @@ -90,6 +90,31 @@ > #define CREATE_TRACE_POINTS > #include > > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_kthread_stop); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_kthread_stop_ret); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_wakeup); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_wakeup_new); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_switch); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_migrate_task); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_process_free); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_process_exit); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_wait_task); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_process_wait); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_process_fork); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_process_exec); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_wait); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_sleep); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_iowait); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_blocked); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_runtime); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_pi_setprio); > +#ifdef CONFIG_DETECT_HUNG_TASK > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_process_hang); > +#endif /* CONFIG_DETECT_HUNG_TASK */ > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_move_numa); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stick_numa); > +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_swap_numa); Which in-tree kernel module is using these? Thanks, Ingo -- 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/