X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Fsched.h;h=95bf13cc72b44726049cf11a6299e35bcb12aa8b;hb=57069e5d5b1cdf9785c266bbec31bc80ee552bcc;hp=3c379e1fc9ef39955cf62dfe4b079ff27ed09ede;hpb=6ec43db836429730c1431809049197a4fbe820fa;p=lttng-modules.git

diff --git a/instrumentation/events/lttng-module/sched.h b/instrumentation/events/lttng-module/sched.h
index 3c379e1f..95bf13cc 100644
--- a/instrumentation/events/lttng-module/sched.h
+++ b/instrumentation/events/lttng-module/sched.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM sched
 
@@ -24,7 +25,63 @@
 #ifndef _TRACE_SCHED_DEF_
 #define _TRACE_SCHED_DEF_
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
+
+static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
+{
+        unsigned int state;
+
+#ifdef CONFIG_SCHED_DEBUG
+        BUG_ON(p != current);
+#endif /* CONFIG_SCHED_DEBUG */
+
+        /*
+         * Preemption ignores task state, therefore preempted tasks are always
+         * RUNNING (we will not have dequeued if state != RUNNING).
+         */
+        if (preempt)
+                return TASK_REPORT_MAX;
+
+        /*
+         * task_state_index() uses fls() and returns a value from 0-8 range.
+         * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
+         * it for left shift operation to get the correct task->state
+         * mapping.
+         */
+        state = task_state_index(p);
+
+        return state ? (1 << (state - 1)) : state;
+}
+
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+
+static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
+{
+        unsigned int state;
+
+#ifdef CONFIG_SCHED_DEBUG
+        BUG_ON(p != current);
+#endif /* CONFIG_SCHED_DEBUG */
+
+        /*
+         * Preemption ignores task state, therefore preempted tasks are always
+         * RUNNING (we will not have dequeued if state != RUNNING).
+         */
+        if (preempt)
+                return TASK_REPORT_MAX;
+
+        /*
+         * __get_task_state() uses fls() and returns a value from 0-8 range.
+         * Decrement it by 1 (except TASK_RUNNING state i.e 0) before using
+         * it for left shift operation to get the correct task->state
+         * mapping.
+         */
+        state = __get_task_state(p);
+
+        return state ? (1 << (state - 1)) : state;
+}
+
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
 
 static inline long __trace_sched_switch_state(bool preempt, struct task_struct *p)
 {
@@ -146,7 +203,13 @@ LTTNG_TRACEPOINT_EVENT(sched_kthread_stop_ret,
  * Tracepoint for waking up a task:
  */
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \
-	LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0))
+	LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))
 LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
 
 	TP_PROTO(struct task_struct *p),
@@ -186,7 +249,13 @@ LTTNG_TRACEPOINT_EVENT_CLASS(sched_wakeup_template,
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0) || \
-	LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0))
+	LTTNG_RT_KERNEL_RANGE(4,1,10,11, 4,2,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,18,27,26, 3,19,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,14,61,63, 3,15,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,12,54,73, 3,13,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,10,97,106, 3,11,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,4,110,139, 3,5,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(3,2,77,111, 3,3,0,0))
 
 /*
  * Tracepoint called when waking a task; this tracepoint is guaranteed to be
@@ -316,7 +385,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(sched_process_template,
 LTTNG_TRACEPOINT_EVENT_INSTANCE(sched_process_template, sched_process_free,
 	     TP_PROTO(struct task_struct *p),
 	     TP_ARGS(p))
-	     
+
 
 /*
  * Tracepoint for a task exiting:
@@ -540,7 +609,27 @@ LTTNG_TRACEPOINT_EVENT(sched_stat_runtime,
 )
 #endif
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0) || \
+	LTTNG_RT_KERNEL_RANGE(4,9,27,18, 4,10,0,0) || \
+	LTTNG_RT_KERNEL_RANGE(4,11,5,1, 4,12,0,0))
+/*
+ * Tracepoint for showing priority inheritance modifying a tasks
+ * priority.
+ */
+LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
+
+	TP_PROTO(struct task_struct *tsk, struct task_struct *pi_task),
+
+	TP_ARGS(tsk, pi_task),
+
+	TP_FIELDS(
+		ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
+		ctf_integer(pid_t, tid, tsk->pid)
+		ctf_integer(int, oldprio, tsk->prio - MAX_RT_PRIO)
+		ctf_integer(int, newprio, pi_task ? pi_task->prio - MAX_RT_PRIO : tsk->prio - MAX_RT_PRIO)
+	)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 /*
  * Tracepoint for showing priority inheritance modifying a tasks
  * priority.