linux-kernel - [tip:perfcounters/core] perfcounters: Support for ftrace event records sampling, fix modules

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Date:	Fri, 7 Aug 2009 16:18:36 GMT
From:	tip-bot for Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, paulus@...ba.org, acme@...hat.com,
	hpa@...or.com, mingo@...hat.com, lizf@...fujitsu.com,
	penberg@...helsinki.fi, a.p.zijlstra@...llo.nl, efault@....de,
	eduard.munteanu@...ux360.ro, fweisbec@...il.com,
	rostedt@...dmis.org, tglx@...utronix.de, laijs@...fujitsu.com,
	mingo@...e.hu
Subject: [tip:perfcounters/core] perfcounters: Support for ftrace event records sampling, fix modules

Commit-ID:  11c1870ca7e8dfede9f8aab654814a7a67378857
Gitweb:     http://git.kernel.org/tip/11c1870ca7e8dfede9f8aab654814a7a67378857
Author:     Peter Zijlstra <a.p.zijlstra@...llo.nl>
AuthorDate: Fri, 7 Aug 2009 17:54:38 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 7 Aug 2009 18:14:58 +0200

perfcounters: Support for ftrace event records sampling, fix modules

Fix:

  ERROR: "tracing_generic_entry_update" [fs/jbd2/jbd2.ko] undefined!
  ERROR: "tracing_generic_entry_update" [fs/ext4/ext4.ko] undefined!

Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Pekka Enberg <penberg@...helsinki.fi>
Cc: Gabriel Munteanu <eduard.munteanu@...ux360.ro>
Cc: Li Zefan <lizf@...fujitsu.com>
Cc: Lai Jiangshan <laijs@...fujitsu.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
LKML-Reference: <1249660478.32113.736.camel@...ns>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 kernel/trace/trace.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 8930e39..c22b40f 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -848,6 +848,7 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags,
 		((pc & SOFTIRQ_MASK) ? TRACE_FLAG_SOFTIRQ : 0) |
 		(need_resched() ? TRACE_FLAG_NEED_RESCHED : 0);
 }
+EXPORT_SYMBOL_GPL(tracing_generic_entry_update);
 
 struct ring_buffer_event *trace_buffer_lock_reserve(struct trace_array *tr,
 						    int type,
--
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