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| author | Changwoo Min <changwoo@igalia.com> | 2025-02-04 14:20:55 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2025-02-04 10:36:47 -1000 |
| commit | 9865f31d852a40e39b8efb8feec69182e1002489 (patch) | |
| tree | 9d428ba73e48c36f65f45f853f0d7080e94e6c15 | |
| parent | d46457c31c432b6b717dcaebab634d5126e2969a (diff) | |
| download | linux-9865f31d852a40e39b8efb8feec69182e1002489.tar.gz | |
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 <changwoo@igalia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | tools/sched_ext/include/scx/common.bpf.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/sched_ext/include/scx/common.bpf.h b/tools/sched_ext/include/scx/common.bpf.h index f254a39b86a588..70554000302416 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. |