linux-kernel - [PATCH 2/2] sched_ext: Print an event, SCX_EV_ENQ_SLICE_DFL, in scx

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Message-ID: <20250207031338.393045-3-changwoo@igalia.com>
Date: Fri,  7 Feb 2025 12:13:38 +0900
From: Changwoo Min <changwoo@...lia.com>
To: tj@...nel.org,
	void@...ifault.com,
	arighi@...dia.com
Cc: kernel-dev@...lia.com,
	linux-kernel@...r.kernel.org,
	Changwoo Min <changwoo@...lia.com>
Subject: [PATCH 2/2] sched_ext: Print an event, SCX_EV_ENQ_SLICE_DFL, in scx_qmap/central

Modify the scx_qmap and scx_celtral schedulers
to print the SCX_EV_ENQ_SLICE_DFL event every second.

Signed-off-by: Changwoo Min <changwoo@...lia.com>
---
 tools/sched_ext/scx_central.bpf.c | 2 ++
 tools/sched_ext/scx_qmap.bpf.c    | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/tools/sched_ext/scx_central.bpf.c b/tools/sched_ext/scx_central.bpf.c
index 376c14d5dd0d..907a844723c1 100644
--- a/tools/sched_ext/scx_central.bpf.c
+++ b/tools/sched_ext/scx_central.bpf.c
@@ -305,6 +305,8 @@ static int central_timerfn(void *map, int *key, struct bpf_timer *timer)
 			   scx_read_event(&events, SCX_EV_DISPATCH_KEEP_LAST));
 		bpf_printk("%35s: %llu\n", "SCX_EV_ENQ_SKIP_EXITING",
 			   scx_read_event(&events, SCX_EV_ENQ_SKIP_EXITING));
+		bpf_printk("%35s: %llu\n", "SCX_EV_ENQ_SLICE_DFL",
+			   scx_read_event(&events, SCX_EV_ENQ_SLICE_DFL));
 		bpf_printk("%35s: %llu\n", "SCX_EV_BYPASS_DURATION",
 			   scx_read_event(&events, SCX_EV_BYPASS_DURATION));
 		bpf_printk("%35s: %llu\n", "SCX_EV_BYPASS_DISPATCH",
diff --git a/tools/sched_ext/scx_qmap.bpf.c b/tools/sched_ext/scx_qmap.bpf.c
index 5edb79742e37..7d9d1e5d2358 100644
--- a/tools/sched_ext/scx_qmap.bpf.c
+++ b/tools/sched_ext/scx_qmap.bpf.c
@@ -784,6 +784,8 @@ static int monitor_timerfn(void *map, int *key, struct bpf_timer *timer)
 		   scx_read_event(&events, SCX_EV_DISPATCH_KEEP_LAST));
 	bpf_printk("%35s: %llu\n", "SCX_EV_ENQ_SKIP_EXITING",
 		   scx_read_event(&events, SCX_EV_ENQ_SKIP_EXITING));
+	bpf_printk("%35s: %llu\n", "SCX_EV_ENQ_SLICE_DFL",
+		   scx_read_event(&events, SCX_EV_ENQ_SLICE_DFL));
 	bpf_printk("%35s: %llu\n", "SCX_EV_BYPASS_DURATION",
 		   scx_read_event(&events, SCX_EV_BYPASS_DURATION));
 	bpf_printk("%35s: %llu\n", "SCX_EV_BYPASS_DISPATCH",
-- 
2.48.1