Connect to the sched_update_prio tracepoint

[deliverable/lttng-modules.git] / instrumentation / events / lttng-module / sched.h

diff --git a/instrumentation/events/lttng-module/sched.h b/instrumentation/events/lttng-module/sched.h
index e5066afe3b55049a422afc7b944c601cdc61f9d6..9eb41183b6223b73e3bc528979a2f3c14a24693f 100644 (file)
--- a/instrumentation/events/lttng-module/sched.h
+++ b/instrumentation/events/lttng-module/sched.h
@@ -113,6 +113,19 @@ static inline long __trace_sched_switch_state(struct task_struct *p)
 
 #endif /* _TRACE_SCHED_DEF_ */
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,7,0))
+LTTNG_TRACEPOINT_ENUM(lttng_sched_policy,
+       TP_ENUM_VALUES(
+               ctf_enum_value("SCHED_NORMAL", SCHED_NORMAL)
+               ctf_enum_value("SCHED_FIFO", SCHED_FIFO)
+               ctf_enum_value("SCHED_RR", SCHED_RR)
+               ctf_enum_value("SCHED_BATCH", SCHED_BATCH)
+               ctf_enum_value("SCHED_IDLE", SCHED_IDLE)
+               ctf_enum_value("SCHED_DEADLINE", SCHED_DEADLINE)
+       )
+)
+#endif
+
 /*
  * Tracepoint for calling kthread_stop, performed to end a kthread:
  */
@@ -560,6 +573,30 @@ LTTNG_TRACEPOINT_EVENT(sched_pi_setprio,
 )
 #endif
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,7,0))
+/*
+ * Tracepoint for priority changes of a task.
+ */
+LTTNG_TRACEPOINT_EVENT(sched_update_prio,
+
+       TP_PROTO(struct task_struct *tsk),
+
+       TP_ARGS(tsk),
+
+       TP_FIELDS(
+               ctf_array_text(char, comm, tsk->comm, TASK_COMM_LEN)
+               ctf_integer(pid_t, tid, tsk->pid)
+               ctf_integer(int, prio, tsk->prio - MAX_RT_PRIO)
+               ctf_enum(lttng_sched_policy, unsigned int, policy, tsk->policy)
+               ctf_integer(int, nice, task_nice(tsk))
+               ctf_integer(unsigned int, rt_priority, tsk->rt_priority)
+               ctf_integer(u64, dl_runtime, tsk->dl.dl_runtime)
+               ctf_integer(u64, dl_deadline, tsk->dl.dl_deadline)
+               ctf_integer(u64, dl_period, tsk->dl.dl_period)
+       )
+)
+#endif
+
 #endif /* LTTNG_TRACE_SCHED_H */
 
 /* This part must be outside protection */