Update sched instrumentation to Linux 3.13

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/instrumentation/events/lttng-module/sched.h b/instrumentation/events/lttng-module/sched.h
index 25faad0e512914eb6f2d7093375c01ea0a4b263f..9e490cfe411a2ac03f6268e278939c9d0109e665 100644 (file)
--- a/instrumentation/events/lttng-module/sched.h
+++ b/instrumentation/events/lttng-module/sched.h
@@ -15,7 +15,24 @@
 #ifndef _TRACE_SCHED_DEF_
 #define _TRACE_SCHED_DEF_
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))
+
+static inline long __trace_sched_switch_state(struct task_struct *p)
+{
+       long state = p->state;
+
+#ifdef CONFIG_PREEMPT
+       /*
+        * For all intents and purposes a preempted task is a running task.
+        */
+       if (task_preempt_count(p) & PREEMPT_ACTIVE)
+               state = TASK_RUNNING | TASK_STATE_MAX;
+#endif
+
+       return state;
+}
+
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
 
 static inline long __trace_sched_switch_state(struct task_struct *p)
 {
@@ -26,11 +43,24 @@ static inline long __trace_sched_switch_state(struct task_struct *p)
         * For all intents and purposes a preempted task is a running task.
         */
        if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
                state = TASK_RUNNING | TASK_STATE_MAX;
-#else
-               state = TASK_RUNNING;
 #endif
+
+       return state;
+}
+
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+
+static inline long __trace_sched_switch_state(struct task_struct *p)
+{
+       long state = p->state;
+
+#ifdef CONFIG_PREEMPT
+       /*
+        * For all intents and purposes a preempted task is a running task.
+        */
+       if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
+               state = TASK_RUNNING;
 #endif
 
        return state;