openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/cpuinfo\x00', 0x0, 0x0) perf_event_open(&(0x7f0000001d80)={0x7, 0x80, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0)