Commit 9865f31d authored by Changwoo Min's avatar Changwoo Min Committed by Tejun Heo
Browse files

sched_ext: Add scx_bpf_events() and scx_read_event() for BPF schedulers 



scx_bpf_events() is added to the header files so the BPF scheduler
can use it. Also, scx_read_event() is added to read an event type in a
compatible way.

Signed-off-by: default avatarChangwoo Min <changwoo@igalia.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent d46457c3

tools/sched_ext/include/scx/common.bpf.h

+4 −0
Original line number Diff line number Diff line
@@ -78,6 +78,10 @@ struct rq *scx_bpf_cpu_rq(s32 cpu) __ksym; 
struct cgroup *scx_bpf_task_cgroup(struct task_struct *p) __ksym __weak;

u64 scx_bpf_now(void) __ksym __weak;



void scx_bpf_events(struct scx_event_stats *events, size_t events__sz) __ksym __weak;

#define scx_read_event(e, name)							\

	(bpf_core_field_exists((e)->name) ? (e)->name : 0)



/*

 * Use the following as @it__iter when calling scx_bpf_dsq_move[_vtime]() from

 * within bpf_for_each() loops.