linux-kernel - [PATCH] Export sched tracepoints for use by kernel modules

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Message-ID: <20140422142313.GB21121@dreric01-Precision-T1600>
Date:	Tue, 22 Apr 2014 07:23:13 -0700
From:	Drew Richardson <drew.richardson@....com>
To:	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, Pawel Moll <pawel.moll@....com>
Subject: [PATCH] Export sched tracepoints for use by kernel modules

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 <drew.richardson@....com>
Acked-by: Pawel Moll <pawel.moll@....com>
---
 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 <trace/events/sched.h>
 
+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);
+
 void start_bandwidth_timer(struct hrtimer *period_timer, ktime_t period)
 {
 	unsigned long delta;
-- 
1.8.3.2

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