bpf_perf_event_read_value 392 kernel/trace/bpf_trace.c BPF_CALL_4(bpf_perf_event_read_value, struct bpf_map *, map, u64, flags, bpf_perf_event_read_value 410 kernel/trace/bpf_trace.c .func = bpf_perf_event_read_value, bpf_perf_event_read_value 53 samples/bpf/tracex6_kern.c error = bpf_perf_event_read_value(&counters, key, &buf, sizeof(buf)); bpf_perf_event_read_value 108 tools/testing/selftests/bpf/bpf_helpers.h static int (*bpf_perf_event_read_value)(void *map, unsigned long long flags,