From: Changwoo Min Date: Tue, 4 Feb 2025 05:20:55 +0000 (+0900) Subject: sched_ext: Add scx_bpf_events() and scx_read_event() for BPF schedulers X-Git-Tag: v6.15-rc1~227^2~35 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9865f31d852a40e39b8efb8feec69182e1002489;p=thirdparty%2Fkernel%2Fstable.git 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: Changwoo Min Signed-off-by: Tejun Heo --- diff --git a/tools/sched_ext/include/scx/common.bpf.h b/tools/sched_ext/include/scx/common.bpf.h index f254a39b86a58..7055400030241 100644 --- a/tools/sched_ext/include/scx/common.bpf.h +++ b/tools/sched_ext/include/scx/common.bpf.h @@ -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.