perf_event_open_probe 5077 tools/lib/bpf/libbpf.c 	pfd = perf_event_open_probe(false /* uprobe */, retprobe, func_name,
perf_event_open_probe 5108 tools/lib/bpf/libbpf.c 	pfd = perf_event_open_probe(true /* uprobe */, retprobe,