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@igalia.com>
Acked-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/tools/sched_ext/scx_central.bpf.c b/tools/sched_ext/scx_central.bpf.c
index 376c14d5dd0d98cdee3b2e6106650e3ecd3ed0ca..907a844723c12f856c28bb9a24065125df0f4841 100644 (file)
--- 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 5edb79742e379de566f44073a549a1994ff66323..7d9d1e5d2358998d2e5ac27f3612d8db3691d579 100644 (file)
--- 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",