github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-01 02:53:36 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

sched_ext: Print core event count in scx_qmap scheduler

Browse Source 
Modify the scx_qmap scheduler to print the core event counter
every second.

Signed-off-by: Changwoo Min <changwoo@igalia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Changwoo Min 2025-02-04 14:20:57 +09:00 committed by Tejun Heo
parent 6df93804b7
commit 2494e555fb
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
tools/sched_ext/scx_qmap.bpf.c
View File

@ -763,6 +763,8 @@ static void dump_shared_dsq(void)
static int monitor_timerfn(void *map, int *key, struct bpf_timer *timer)
{
struct scx_event_stats events;
bpf_rcu_read_lock();
dispatch_highpri(true);
bpf_rcu_read_unlock();
@ -772,6 +774,23 @@ static int monitor_timerfn(void *map, int *key, struct bpf_timer *timer)
if (print_shared_dsq)
dump_shared_dsq();
scx_bpf_events(&events, sizeof(events));
bpf_printk("%35s: %llu\n", "SCX_EV_SELECT_CPU_FALLBACK",
scx_read_event(&events, SCX_EV_SELECT_CPU_FALLBACK));
bpf_printk("%35s: %llu\n", "SCX_EV_DISPATCH_LOCAL_DSQ_OFFLINE",
scx_read_event(&events, SCX_EV_DISPATCH_LOCAL_DSQ_OFFLINE));
bpf_printk("%35s: %llu\n", "SCX_EV_DISPATCH_KEEP_LAST",
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_BYPASS_DURATION",
scx_read_event(&events, SCX_EV_BYPASS_DURATION));
bpf_printk("%35s: %llu\n", "SCX_EV_BYPASS_DISPATCH",
scx_read_event(&events, SCX_EV_BYPASS_DISPATCH));
bpf_printk("%35s: %llu\n", "SCX_EV_BYPASS_ACTIVATE",
scx_read_event(&events, SCX_EV_BYPASS_ACTIVATE));
bpf_timer_start(timer, ONE_SEC_IN_NS, 0);
return 0;
}