From ba19f51fcb549c7ee6261da243eea55a47e98d78 Mon Sep 17 00:00:00 2001
From: Qais Yousef <qais.yousef@arm.com>
Date: Tue, 4 Jun 2019 12:14:56 +0100
Subject: sched/debug: Add new tracepoints to track PELT at rq level

The new tracepoints allow tracking PELT signals at rq level for all
scheduling classes + irq.

Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Pavankumar Kondeti <pkondeti@codeaurora.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Perret <quentin.perret@arm.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Uwe Kleine-Konig <u.kleine-koenig@pengutronix.de>
Link: https://lkml.kernel.org/r/20190604111459.2862-4-qais.yousef@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 include/trace/events/sched.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'include/trace/events/sched.h')

diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index c8c7c7efb487..520b89d384ec 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -594,6 +594,29 @@ TRACE_EVENT(sched_wake_idle_without_ipi,
 
 	TP_printk("cpu=%d", __entry->cpu)
 );
+
+/*
+ * Following tracepoints are not exported in tracefs and provide hooking
+ * mechanisms only for testing and debugging purposes.
+ *
+ * Postfixed with _tp to make them easily identifiable in the code.
+ */
+DECLARE_TRACE(pelt_cfs_tp,
+	TP_PROTO(struct cfs_rq *cfs_rq),
+	TP_ARGS(cfs_rq));
+
+DECLARE_TRACE(pelt_rt_tp,
+	TP_PROTO(struct rq *rq),
+	TP_ARGS(rq));
+
+DECLARE_TRACE(pelt_dl_tp,
+	TP_PROTO(struct rq *rq),
+	TP_ARGS(rq));
+
+DECLARE_TRACE(pelt_irq_tp,
+	TP_PROTO(struct rq *rq),
+	TP_ARGS(rq));
+
 #endif /* _TRACE_SCHED_H */
 
 /* This part must be outside protection */
-- 
cgit