intel_pt_pkt_desc
ret = intel_pt_pkt_desc(packet, desc, INTEL_PT_PKT_DESC_MAX);
intel_pt_pkt_desc(packet, desc, INTEL_PT_PKT_DESC_MAX);
int intel_pt_pkt_desc(const struct intel_pt_pkt *packet, char *buf, size_t len);
ret = intel_pt_pkt_desc(&packet, desc,