perf_event_bpf_event

Name:perf_event_bpf_event

Proto:void perf_event_bpf_event(struct bpf_prog *prog, enum perf_bpf_event_type type, u16 flags)

Type:void

Parameter:

Type	Parameter	Name
struct bpf_prog *	prog
enum perf_bpf_event_type	type
u16	flags

8285

If type <= PERF_BPF_EVENT_UNKNOWN || type >= non-ABI Then Return

8290

Case type == PERF_BPF_EVENT_PROG_LOAD

8291

Case type == PERF_BPF_EVENT_PROG_UNLOAD

8292

If atomic_read( & nr_ksymbol_events) Then perf_event_bpf_emit_ksymbols(prog, type)

8294

Break

8295

Default

8296

Break

8299

If Not atomic_read( & nr_bpf_events) Then Return

8302

bpf_event = (struct perf_bpf_event){prog = prog, event_id = {header = {type = PERF_RECORD_BPF_EVENT, size = size of event_id , }, type = type, flags = flags, id = id, }, }

8315

BUILD_BUG_ON - break compile if a condition is true(BPF_TAG_SIZE % sizeof(u64))

8317

No 3D Now!(tag, tag, BPF_TAG_SIZE)

8318

Iterate all events that need to receive side-band events.* For new callers; ensure that account_pmu_sb_event() includes* your event, otherwise it might not get delivered.

**Caller**
Name	Describe
bpf_prog_load

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