File Manager

X7ROOT File Manager

Current Path: /usr/include/linux

ðŸ“ ..
ðŸ“„ a.out.h(6.73 KB)
ðŸ“„ acct.h(3.65 KB)
ðŸ“„ adb.h(1.11 KB)
ðŸ“„ adfs_fs.h(936 B)
ðŸ“„ affs_hardblocks.h(1.51 KB)
ðŸ“„ agpgart.h(3.85 KB)
ðŸ“„ aio_abi.h(3.34 KB)
ðŸ“„ am437x-vpfe.h(3.59 KB)
ðŸ“ android
ðŸ“„ apm_bios.h(3.6 KB)
ðŸ“„ arcfb.h(213 B)
ðŸ“„ arm_sdei.h(2.69 KB)
ðŸ“„ aspeed-lpc-ctrl.h(1.74 KB)
ðŸ“„ atalk.h(1023 B)
ðŸ“„ atm.h(7.7 KB)
ðŸ“„ atm_eni.h(648 B)
ðŸ“„ atm_he.h(406 B)
ðŸ“„ atm_idt77105.h(955 B)
ðŸ“„ atm_nicstar.h(1.25 KB)
ðŸ“„ atm_tcp.h(1.58 KB)
ðŸ“„ atm_zatm.h(1.5 KB)
ðŸ“„ atmapi.h(952 B)
ðŸ“„ atmarp.h(1.27 KB)
ðŸ“„ atmbr2684.h(3.19 KB)
ðŸ“„ atmclip.h(576 B)
ðŸ“„ atmdev.h(7.5 KB)
ðŸ“„ atmioc.h(1.61 KB)
ðŸ“„ atmlec.h(2.33 KB)
ðŸ“„ atmmpc.h(4.13 KB)
ðŸ“„ atmppp.h(639 B)
ðŸ“„ atmsap.h(4.85 KB)
ðŸ“„ atmsvc.h(1.81 KB)
ðŸ“„ audit.h(19.92 KB)
ðŸ“„ auto_dev-ioctl.h(4.87 KB)
ðŸ“„ auto_fs.h(6.28 KB)
ðŸ“„ auto_fs4.h(451 B)
ðŸ“„ auxvec.h(1.56 KB)
ðŸ“„ ax25.h(2.76 KB)
ðŸ“„ b1lli.h(1.68 KB)
ðŸ“„ batadv_packet.h(20.01 KB)
ðŸ“„ batman_adv.h(11.7 KB)
ðŸ“„ baycom.h(883 B)
ðŸ“„ bcache.h(8.17 KB)
ðŸ“„ bcm933xx_hcs.h(419 B)
ðŸ“„ bfs_fs.h(1.85 KB)
ðŸ“„ binfmts.h(628 B)
ðŸ“„ blkpg.h(904 B)
ðŸ“„ blktrace_api.h(4.59 KB)
ðŸ“„ blkzoned.h(6.45 KB)
ðŸ“„ bpf.h(223.3 KB)
ðŸ“„ bpf_common.h(1.33 KB)
ðŸ“„ bpf_perf_event.h(529 B)
ðŸ“„ bpfilter.h(465 B)
ðŸ“„ bpqether.h(981 B)
ðŸ“„ bsg.h(2.44 KB)
ðŸ“„ bt-bmc.h(572 B)
ðŸ“„ btf.h(4.68 KB)
ðŸ“„ btrfs.h(28.24 KB)
ðŸ“„ btrfs_tree.h(24.69 KB)
ðŸ“ byteorder
ðŸ“ caif
ðŸ“ can
ðŸ“„ can.h(7.7 KB)
ðŸ“„ capability.h(13.2 KB)
ðŸ“„ capi.h(3.05 KB)
ðŸ“„ cciss_defs.h(3.2 KB)
ðŸ“„ cciss_ioctl.h(2.7 KB)
ðŸ“„ cdrom.h(28.18 KB)
ðŸ“„ cec-funcs.h(52.64 KB)
ðŸ“„ cec.h(36.81 KB)
ðŸ“„ cfm_bridge.h(1.42 KB)
ðŸ“„ cgroupstats.h(2.17 KB)
ðŸ“„ chio.h(5.22 KB)
ðŸ“ cifs
ðŸ“„ close_range.h(377 B)
ðŸ“„ cm4000_cs.h(1.76 KB)
ðŸ“„ cn_proc.h(3.38 KB)
ðŸ“„ coda.h(17.09 KB)
ðŸ“„ coda_psdev.h(783 B)
ðŸ“„ coff.h(12.18 KB)
ðŸ“„ connector.h(2.2 KB)
ðŸ“„ const.h(788 B)
ðŸ“„ coresight-stm.h(674 B)
ðŸ“„ cramfs_fs.h(3.47 KB)
ðŸ“„ cryptouser.h(3.31 KB)
ðŸ“„ cuda.h(905 B)
ðŸ“„ cyclades.h(16.71 KB)
ðŸ“„ cycx_cfm.h(2.92 KB)
ðŸ“„ dcbnl.h(24.65 KB)
ðŸ“„ dccp.h(6.29 KB)
ðŸ“„ devlink.h(21.05 KB)
ðŸ“„ dlm.h(2.49 KB)
ðŸ“„ dlm_device.h(2.48 KB)
ðŸ“„ dlm_netlink.h(1.13 KB)
ðŸ“„ dlm_plock.h(894 B)
ðŸ“„ dlmconstants.h(4.96 KB)
ðŸ“„ dm-ioctl.h(11.13 KB)
ðŸ“„ dm-log-userspace.h(14.83 KB)
ðŸ“„ dma-buf.h(5.12 KB)
ðŸ“„ dn.h(4.53 KB)
ðŸ“„ dqblk_xfs.h(9.03 KB)
ðŸ“ dvb
ðŸ“„ edd.h(5.47 KB)
ðŸ“„ efs_fs_sb.h(2.17 KB)
ðŸ“„ elf-em.h(2.14 KB)
ðŸ“„ elf-fdpic.h(1.1 KB)
ðŸ“„ elf.h(13.16 KB)
ðŸ“„ elfcore.h(2.92 KB)
ðŸ“„ errno.h(23 B)
ðŸ“„ errqueue.h(1.44 KB)
ðŸ“„ erspan.h(1.03 KB)
ðŸ“„ ethtool.h(81.89 KB)
ðŸ“„ ethtool_netlink.h(22.29 KB)
ðŸ“„ eventpoll.h(2.67 KB)
ðŸ“„ fadvise.h(842 B)
ðŸ“„ falloc.h(3.5 KB)
ðŸ“„ fanotify.h(5.22 KB)
ðŸ“„ fb.h(16.09 KB)
ðŸ“„ fcntl.h(4.08 KB)
ðŸ“„ fd.h(11.4 KB)
ðŸ“„ fdreg.h(5.29 KB)
ðŸ“„ fib_rules.h(1.99 KB)
ðŸ“„ fiemap.h(2.71 KB)
ðŸ“„ filter.h(2.16 KB)
ðŸ“„ firewire-cdev.h(42.86 KB)
ðŸ“„ firewire-constants.h(3.16 KB)
ðŸ“„ flat.h(2.1 KB)
ðŸ“„ fou.h(694 B)
ðŸ“„ fpga-dfl.h(8.52 KB)
ðŸ“„ fs.h(13.11 KB)
ðŸ“„ fsl_hypervisor.h(7.13 KB)
ðŸ“„ fsmap.h(4.29 KB)
ðŸ“„ fuse.h(22.92 KB)
ðŸ“„ futex.h(4.88 KB)
ðŸ“„ gameport.h(897 B)
ðŸ“„ gen_stats.h(1.49 KB)
ðŸ“„ genetlink.h(2.12 KB)
ðŸ“ genwqe
ðŸ“„ gfs2_ondisk.h(14.4 KB)
ðŸ“„ gigaset_dev.h(1.41 KB)
ðŸ“„ gpio.h(6.59 KB)
ðŸ“„ gsmmux.h(1.02 KB)
ðŸ“„ gtp.h(681 B)
ðŸ“„ hash_info.h(921 B)
ðŸ“ hdlc
ðŸ“„ hdlc.h(637 B)
ðŸ“„ hdlcdrv.h(2.84 KB)
ðŸ“„ hdreg.h(22.17 KB)
ðŸ“„ hid.h(1.86 KB)
ðŸ“„ hiddev.h(6.2 KB)
ðŸ“„ hidraw.h(1.95 KB)
ðŸ“„ hpet.h(743 B)
ðŸ“ hsi
ðŸ“„ hsr_netlink.h(1.06 KB)
ðŸ“„ hw_breakpoint.h(742 B)
ðŸ“„ hyperv.h(10.89 KB)
ðŸ“„ hysdn_if.h(1.35 KB)
ðŸ“„ i2c-dev.h(2.55 KB)
ðŸ“„ i2c.h(6.96 KB)
ðŸ“„ i2o-dev.h(11.28 KB)
ðŸ“„ i8k.h(1.49 KB)
ðŸ“„ icmp.h(2.91 KB)
ðŸ“„ icmpv6.h(3.94 KB)
ðŸ“„ idxd.h(8.22 KB)
ðŸ“„ if.h(10.65 KB)
ðŸ“„ if_addr.h(1.84 KB)
ðŸ“„ if_addrlabel.h(721 B)
ðŸ“„ if_alg.h(946 B)
ðŸ“„ if_arcnet.h(3.63 KB)
ðŸ“„ if_arp.h(6.42 KB)
ðŸ“„ if_bonding.h(5.17 KB)
ðŸ“„ if_bridge.h(19.06 KB)
ðŸ“„ if_cablemodem.h(986 B)
ðŸ“„ if_eql.h(1.32 KB)
ðŸ“„ if_ether.h(8.05 KB)
ðŸ“„ if_fc.h(1.7 KB)
ðŸ“„ if_fddi.h(3.66 KB)
ðŸ“„ if_frad.h(2.95 KB)
ðŸ“„ if_hippi.h(4.14 KB)
ðŸ“„ if_infiniband.h(1.22 KB)
ðŸ“„ if_link.h(30.28 KB)
ðŸ“„ if_ltalk.h(210 B)
ðŸ“„ if_macsec.h(5.7 KB)
ðŸ“„ if_packet.h(7.73 KB)
ðŸ“„ if_phonet.h(424 B)
ðŸ“„ if_plip.h(660 B)
ðŸ“„ if_ppp.h(29 B)
ðŸ“„ if_pppol2tp.h(3.21 KB)
ðŸ“„ if_pppox.h(4.76 KB)
ðŸ“„ if_slip.h(872 B)
ðŸ“„ if_team.h(2.54 KB)
ðŸ“„ if_tun.h(4 KB)
ðŸ“„ if_tunnel.h(4.41 KB)
ðŸ“„ if_vlan.h(1.79 KB)
ðŸ“„ if_x25.h(881 B)
ðŸ“„ if_xdp.h(2.94 KB)
ðŸ“„ ife.h(351 B)
ðŸ“„ igmp.h(2.99 KB)
ðŸ“ iio
ðŸ“„ ila.h(1.22 KB)
ðŸ“„ in.h(9.78 KB)
ðŸ“„ in6.h(7.26 KB)
ðŸ“„ in_route.h(936 B)
ðŸ“„ inet_diag.h(4.56 KB)
ðŸ“„ inotify.h(3.21 KB)
ðŸ“„ input-event-codes.h(27.94 KB)
ðŸ“„ input.h(15.61 KB)
ðŸ“„ io_uring.h(6.06 KB)
ðŸ“„ ioctl.h(163 B)
ðŸ“„ iommu.h(4.79 KB)
ðŸ“„ ip.h(4.62 KB)
ðŸ“„ ip6_tunnel.h(1.91 KB)
ðŸ“„ ip_vs.h(13.31 KB)
ðŸ“„ ipc.h(2.05 KB)
ðŸ“„ ipmi.h(15.08 KB)
ðŸ“„ ipmi_bmc.h(464 B)
ðŸ“„ ipmi_msgdefs.h(3.35 KB)
ðŸ“„ ipmi_ssif_bmc.h(441 B)
ðŸ“„ ipsec.h(947 B)
ðŸ“„ ipv6.h(3.87 KB)
ðŸ“„ ipv6_route.h(1.86 KB)
ðŸ“„ ipx.h(2.29 KB)
ðŸ“„ irqnr.h(104 B)
ðŸ“ isdn
ðŸ“„ isdn.h(5.64 KB)
ðŸ“„ isdn_divertif.h(1.17 KB)
ðŸ“„ isdn_ppp.h(1.88 KB)
ðŸ“„ isdnif.h(2.31 KB)
ðŸ“„ iso_fs.h(6.33 KB)
ðŸ“„ isst_if.h(5.26 KB)
ðŸ“„ ivtv.h(2.95 KB)
ðŸ“„ ivtvfb.h(1.18 KB)
ðŸ“„ jffs2.h(6.85 KB)
ðŸ“„ joystick.h(3.35 KB)
ðŸ“„ kcm.h(822 B)
ðŸ“„ kcmp.h(522 B)
ðŸ“„ kcov.h(1.07 KB)
ðŸ“„ kd.h(6.11 KB)
ðŸ“„ kdev_t.h(383 B)
ðŸ“„ kernel-page-flags.h(900 B)
ðŸ“„ kernel.h(438 B)
ðŸ“„ kernelcapi.h(1019 B)
ðŸ“„ kexec.h(1.79 KB)
ðŸ“„ keyboard.h(12.48 KB)
ðŸ“„ keyctl.h(3.42 KB)
ðŸ“„ kfd_ioctl.h(28.14 KB)
ðŸ“„ kfd_sysfs.h(4.25 KB)
ðŸ“„ kvm.h(60.12 KB)
ðŸ“„ kvm_para.h(1001 B)
ðŸ“„ l2tp.h(5.46 KB)
ðŸ“„ libc-compat.h(8.09 KB)
ðŸ“„ lightnvm.h(4.92 KB)
ðŸ“„ limits.h(937 B)
ðŸ“„ lirc.h(7.63 KB)
ðŸ“„ llc.h(3.09 KB)
ðŸ“„ loop.h(3.42 KB)
ðŸ“„ lp.h(4.09 KB)
ðŸ“„ lwtunnel.h(2.13 KB)
ðŸ“„ magic.h(3.45 KB)
ðŸ“„ major.h(4.6 KB)
ðŸ“„ map_to_7segment.h(7.08 KB)
ðŸ“„ matroxfb.h(1.43 KB)
ðŸ“„ max2175.h(1.01 KB)
ðŸ“„ mdio.h(16.87 KB)
ðŸ“„ media-bus-format.h(6.26 KB)
ðŸ“„ media.h(11.12 KB)
ðŸ“„ mei.h(3.39 KB)
ðŸ“„ membarrier.h(7.71 KB)
ðŸ“„ memfd.h(1.29 KB)
ðŸ“„ mempolicy.h(2.18 KB)
ðŸ“„ meye.h(2.47 KB)
ðŸ“„ mic_common.h(6.37 KB)
ðŸ“„ mic_ioctl.h(2.2 KB)
ðŸ“„ mii.h(9.27 KB)
ðŸ“„ minix_fs.h(2.07 KB)
ðŸ“„ mman.h(1.35 KB)
ðŸ“ mmc
ðŸ“„ mmtimer.h(2.07 KB)
ðŸ“„ module.h(255 B)
ðŸ“„ mount.h(4.44 KB)
ðŸ“„ mpls.h(2.25 KB)
ðŸ“„ mpls_iptunnel.h(761 B)
ðŸ“„ mptcp.h(5.48 KB)
ðŸ“„ mqueue.h(2.15 KB)
ðŸ“„ mroute.h(5.3 KB)
ðŸ“„ mroute6.h(4.47 KB)
ðŸ“„ mrp_bridge.h(1.67 KB)
ðŸ“„ msdos_fs.h(6.8 KB)
ðŸ“„ msg.h(3.29 KB)
ðŸ“„ mtio.h(7.98 KB)
ðŸ“„ n_r3964.h(2.35 KB)
ðŸ“„ nbd-netlink.h(2.35 KB)
ðŸ“„ nbd.h(2.95 KB)
ðŸ“„ ncsi.h(3.79 KB)
ðŸ“„ ndctl.h(6.71 KB)
ðŸ“„ neighbour.h(5.02 KB)
ðŸ“„ net.h(2.04 KB)
ðŸ“„ net_dropmon.h(2.85 KB)
ðŸ“„ net_namespace.h(715 B)
ðŸ“„ net_tstamp.h(5.67 KB)
ðŸ“„ netconf.h(614 B)
ðŸ“„ netdevice.h(2.2 KB)
ðŸ“ netfilter
ðŸ“„ netfilter.h(1.78 KB)
ðŸ“ netfilter_arp
ðŸ“„ netfilter_arp.h(445 B)
ðŸ“ netfilter_bridge
ðŸ“„ netfilter_bridge.h(1.14 KB)
ðŸ“„ netfilter_decnet.h(1.93 KB)
ðŸ“ netfilter_ipv4
ðŸ“„ netfilter_ipv4.h(2.12 KB)
ðŸ“ netfilter_ipv6
ðŸ“„ netfilter_ipv6.h(2.14 KB)
ðŸ“„ netlink.h(11.23 KB)
ðŸ“„ netlink_diag.h(1.49 KB)
ðŸ“„ netrom.h(807 B)
ðŸ“„ nexthop.h(1.5 KB)
ðŸ“„ nfc.h(10.95 KB)
ðŸ“„ nfs.h(4.39 KB)
ðŸ“„ nfs2.h(1.43 KB)
ðŸ“„ nfs3.h(2.4 KB)
ðŸ“„ nfs4.h(6.44 KB)
ðŸ“„ nfs4_mount.h(1.89 KB)
ðŸ“„ nfs_fs.h(1.6 KB)
ðŸ“„ nfs_idmap.h(2.19 KB)
ðŸ“„ nfs_mount.h(2.09 KB)
ðŸ“„ nfsacl.h(718 B)
ðŸ“ nfsd
ðŸ“„ nilfs2_api.h(7.41 KB)
ðŸ“„ nilfs2_ondisk.h(17.61 KB)
ðŸ“„ nitro_enclaves.h(12.84 KB)
ðŸ“„ nl80211.h(327.41 KB)
ðŸ“„ nsfs.h(639 B)
ðŸ“„ nubus.h(8 KB)
ðŸ“„ nvme_ioctl.h(2.06 KB)
ðŸ“„ nvram.h(532 B)
ðŸ“„ omap3isp.h(20.36 KB)
ðŸ“„ omapfb.h(5.78 KB)
ðŸ“„ oom.h(511 B)
ðŸ“„ openat2.h(1.26 KB)
ðŸ“„ openvswitch.h(39.24 KB)
ðŸ“„ packet_diag.h(1.63 KB)
ðŸ“„ param.h(141 B)
ðŸ“„ parport.h(3.56 KB)
ðŸ“„ patchkey.h(892 B)
ðŸ“„ pci.h(1.35 KB)
ðŸ“„ pci_regs.h(56.47 KB)
ðŸ“„ pcitest.h(711 B)
ðŸ“„ perf_event.h(39.63 KB)
ðŸ“„ personality.h(2.05 KB)
ðŸ“„ pfkeyv2.h(10.32 KB)
ðŸ“„ pfrut.h(7.8 KB)
ðŸ“„ pg.h(2.34 KB)
ðŸ“„ phantom.h(1.62 KB)
ðŸ“„ phonet.h(4.57 KB)
ðŸ“„ pkt_cls.h(18.08 KB)
ðŸ“„ pkt_sched.h(29.59 KB)
ðŸ“„ pktcdvd.h(2.62 KB)
ðŸ“„ pmu.h(5.19 KB)
ðŸ“„ poll.h(22 B)
ðŸ“„ posix_acl.h(1.22 KB)
ðŸ“„ posix_acl_xattr.h(1.09 KB)
ðŸ“„ posix_types.h(1.07 KB)
ðŸ“„ ppdev.h(3.14 KB)
ðŸ“„ ppp-comp.h(2.47 KB)
ðŸ“„ ppp-ioctl.h(5.35 KB)
ðŸ“„ ppp_defs.h(4.99 KB)
ðŸ“„ pps.h(4.62 KB)
ðŸ“„ pr.h(1.05 KB)
ðŸ“„ prctl.h(7.83 KB)
ðŸ“„ psample.h(2.22 KB)
ðŸ“„ psci.h(4.23 KB)
ðŸ“„ psp-sev.h(4.48 KB)
ðŸ“„ ptp_clock.h(7.28 KB)
ðŸ“„ ptrace.h(3.59 KB)
ðŸ“„ qemu_fw_cfg.h(2.41 KB)
ðŸ“„ qnx4_fs.h(2.27 KB)
ðŸ“„ qnxtypes.h(624 B)
ðŸ“„ qrtr.h(893 B)
ðŸ“„ quota.h(6.14 KB)
ðŸ“„ radeonfb.h(360 B)
ðŸ“ raid
ðŸ“„ random.h(1.34 KB)
ðŸ“„ raw.h(365 B)
ðŸ“„ rds.h(9.08 KB)
ðŸ“„ reboot.h(1.31 KB)
ðŸ“„ reiserfs_fs.h(775 B)
ðŸ“„ reiserfs_xattr.h(533 B)
ðŸ“„ resource.h(2.29 KB)
ðŸ“„ rfkill.h(6.45 KB)
ðŸ“„ rio_cm_cdev.h(3.17 KB)
ðŸ“„ rio_mport_cdev.h(9.11 KB)
ðŸ“„ romfs_fs.h(1.21 KB)
ðŸ“„ rose.h(2.18 KB)
ðŸ“„ route.h(2.28 KB)
ðŸ“„ rpmsg.h(544 B)
ðŸ“„ rseq.h(4.79 KB)
ðŸ“„ rtc.h(3.92 KB)
ðŸ“„ rtnetlink.h(19.73 KB)
ðŸ“„ rxrpc.h(4.96 KB)
ðŸ“„ scc.h(4.49 KB)
ðŸ“ sched
ðŸ“„ sched.h(2.73 KB)
ðŸ“„ scif_ioctl.h(6.23 KB)
ðŸ“„ screen_info.h(2.42 KB)
ðŸ“„ sctp.h(35.15 KB)
ðŸ“„ sdla.h(2.77 KB)
ðŸ“„ seccomp.h(2.2 KB)
ðŸ“„ securebits.h(2.64 KB)
ðŸ“„ sed-opal.h(3.2 KB)
ðŸ“„ seg6.h(1.14 KB)
ðŸ“„ seg6_genl.h(589 B)
ðŸ“„ seg6_hmac.h(423 B)
ðŸ“„ seg6_iptunnel.h(927 B)
ðŸ“„ seg6_local.h(2.01 KB)
ðŸ“„ selinux_netlink.h(1.17 KB)
ðŸ“„ sem.h(2.97 KB)
ðŸ“„ serial.h(3.78 KB)
ðŸ“„ serial_core.h(6.1 KB)
ðŸ“„ serial_reg.h(15.13 KB)
ðŸ“„ serio.h(1.99 KB)
ðŸ“„ sev-guest.h(2.25 KB)
ðŸ“„ shm.h(3.7 KB)
ðŸ“„ signal.h(388 B)
ðŸ“„ signalfd.h(1.2 KB)
ðŸ“„ smc.h(8.31 KB)
ðŸ“„ smc_diag.h(2.66 KB)
ðŸ“„ smiapp.h(1.03 KB)
ðŸ“„ snmp.h(13.34 KB)
ðŸ“„ sock_diag.h(1.27 KB)
ðŸ“„ socket.h(901 B)
ðŸ“„ sockios.h(5.96 KB)
ðŸ“„ sonet.h(2.24 KB)
ðŸ“„ sonypi.h(5.18 KB)
ðŸ“„ sound.h(1.21 KB)
ðŸ“„ soundcard.h(44.96 KB)
ðŸ“ spi
ðŸ“„ stat.h(6.2 KB)
ðŸ“„ stddef.h(1.5 KB)
ðŸ“„ stm.h(1.25 KB)
ðŸ“„ string.h(238 B)
ðŸ“ sunrpc
ðŸ“„ suspend_ioctls.h(1.4 KB)
ðŸ“„ swab.h(6.76 KB)
ðŸ“„ switchtec_ioctl.h(5.14 KB)
ðŸ“„ sync_file.h(2.82 KB)
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Editing: perf_event.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Performance events:
 *
 *    Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de>
 *    Copyright (C) 2008-2011, Red Hat, Inc., Ingo Molnar
 *    Copyright (C) 2008-2011, Red Hat, Inc., Peter Zijlstra
 *
 * Data type definitions, declarations, prototypes.
 *
 *    Started by: Thomas Gleixner and Ingo Molnar
 *
 * For licencing details see kernel-base/COPYING
 */
#ifndef _LINUX_PERF_EVENT_H
#define _LINUX_PERF_EVENT_H

#include <linux/types.h>
#include <linux/ioctl.h>
#include <asm/byteorder.h>

/*
 * User-space ABI bits:
 */

/*
 * attr.type
 */
enum perf_type_id {
	PERF_TYPE_HARDWARE			= 0,
	PERF_TYPE_SOFTWARE			= 1,
	PERF_TYPE_TRACEPOINT			= 2,
	PERF_TYPE_HW_CACHE			= 3,
	PERF_TYPE_RAW				= 4,
	PERF_TYPE_BREAKPOINT			= 5,

PERF_TYPE_MAX,				/* non-ABI */
};

/*
 * attr.config layout for type PERF_TYPE_HARDWARE and PERF_TYPE_HW_CACHE
 * PERF_TYPE_HARDWARE:			0xEEEEEEEE000000AA
 *					AA: hardware event ID
 *					EEEEEEEE: PMU type ID
 * PERF_TYPE_HW_CACHE:			0xEEEEEEEE00DDCCBB
 *					BB: hardware cache ID
 *					CC: hardware cache op ID
 *					DD: hardware cache op result ID
 *					EEEEEEEE: PMU type ID
 * If the PMU type ID is 0, the PERF_TYPE_RAW will be applied.
 */
#define PERF_PMU_TYPE_SHIFT		32
#define PERF_HW_EVENT_MASK		0xffffffff

/*
 * Generalized performance event event_id types, used by the
 * attr.event_id parameter of the sys_perf_event_open()
 * syscall:
 */
enum perf_hw_id {
	/*
	 * Common hardware events, generalized by the kernel:
	 */
	PERF_COUNT_HW_CPU_CYCLES		= 0,
	PERF_COUNT_HW_INSTRUCTIONS		= 1,
	PERF_COUNT_HW_CACHE_REFERENCES		= 2,
	PERF_COUNT_HW_CACHE_MISSES		= 3,
	PERF_COUNT_HW_BRANCH_INSTRUCTIONS	= 4,
	PERF_COUNT_HW_BRANCH_MISSES		= 5,
	PERF_COUNT_HW_BUS_CYCLES		= 6,
	PERF_COUNT_HW_STALLED_CYCLES_FRONTEND	= 7,
	PERF_COUNT_HW_STALLED_CYCLES_BACKEND	= 8,
	PERF_COUNT_HW_REF_CPU_CYCLES		= 9,

PERF_COUNT_HW_MAX,			/* non-ABI */
};

/*
 * Generalized hardware cache events:
 *
 *       { L1-D, L1-I, LLC, ITLB, DTLB, BPU, NODE } x
 *       { read, write, prefetch } x
 *       { accesses, misses }
 */
enum perf_hw_cache_id {
	PERF_COUNT_HW_CACHE_L1D			= 0,
	PERF_COUNT_HW_CACHE_L1I			= 1,
	PERF_COUNT_HW_CACHE_LL			= 2,
	PERF_COUNT_HW_CACHE_DTLB		= 3,
	PERF_COUNT_HW_CACHE_ITLB		= 4,
	PERF_COUNT_HW_CACHE_BPU			= 5,
	PERF_COUNT_HW_CACHE_NODE		= 6,

PERF_COUNT_HW_CACHE_MAX,		/* non-ABI */
};

enum perf_hw_cache_op_id {
	PERF_COUNT_HW_CACHE_OP_READ		= 0,
	PERF_COUNT_HW_CACHE_OP_WRITE		= 1,
	PERF_COUNT_HW_CACHE_OP_PREFETCH		= 2,

PERF_COUNT_HW_CACHE_OP_MAX,		/* non-ABI */
};

enum perf_hw_cache_op_result_id {
	PERF_COUNT_HW_CACHE_RESULT_ACCESS	= 0,
	PERF_COUNT_HW_CACHE_RESULT_MISS		= 1,

PERF_COUNT_HW_CACHE_RESULT_MAX,		/* non-ABI */
};

/*
 * Special "software" events provided by the kernel, even if the hardware
 * does not support performance events. These events measure various
 * physical and sw events of the kernel (and allow the profiling of them as
 * well):
 */
enum perf_sw_ids {
	PERF_COUNT_SW_CPU_CLOCK			= 0,
	PERF_COUNT_SW_TASK_CLOCK		= 1,
	PERF_COUNT_SW_PAGE_FAULTS		= 2,
	PERF_COUNT_SW_CONTEXT_SWITCHES		= 3,
	PERF_COUNT_SW_CPU_MIGRATIONS		= 4,
	PERF_COUNT_SW_PAGE_FAULTS_MIN		= 5,
	PERF_COUNT_SW_PAGE_FAULTS_MAJ		= 6,
	PERF_COUNT_SW_ALIGNMENT_FAULTS		= 7,
	PERF_COUNT_SW_EMULATION_FAULTS		= 8,
	PERF_COUNT_SW_DUMMY			= 9,
	PERF_COUNT_SW_BPF_OUTPUT		= 10,
	PERF_COUNT_SW_CGROUP_SWITCHES		= 11,

PERF_COUNT_SW_MAX,			/* non-ABI */
};

/*
 * Bits that can be set in attr.sample_type to request information
 * in the overflow packets.
 */
enum perf_event_sample_format {
	PERF_SAMPLE_IP				= 1U << 0,
	PERF_SAMPLE_TID				= 1U << 1,
	PERF_SAMPLE_TIME			= 1U << 2,
	PERF_SAMPLE_ADDR			= 1U << 3,
	PERF_SAMPLE_READ			= 1U << 4,
	PERF_SAMPLE_CALLCHAIN			= 1U << 5,
	PERF_SAMPLE_ID				= 1U << 6,
	PERF_SAMPLE_CPU				= 1U << 7,
	PERF_SAMPLE_PERIOD			= 1U << 8,
	PERF_SAMPLE_STREAM_ID			= 1U << 9,
	PERF_SAMPLE_RAW				= 1U << 10,
	PERF_SAMPLE_BRANCH_STACK		= 1U << 11,
	PERF_SAMPLE_REGS_USER			= 1U << 12,
	PERF_SAMPLE_STACK_USER			= 1U << 13,
	PERF_SAMPLE_WEIGHT			= 1U << 14,
	PERF_SAMPLE_DATA_SRC			= 1U << 15,
	PERF_SAMPLE_IDENTIFIER			= 1U << 16,
	PERF_SAMPLE_TRANSACTION			= 1U << 17,
	PERF_SAMPLE_REGS_INTR			= 1U << 18,
	PERF_SAMPLE_PHYS_ADDR			= 1U << 19,
	PERF_SAMPLE_AUX				= 1U << 20,
	PERF_SAMPLE_CGROUP			= 1U << 21,
#ifndef __GENKSYMS__
	PERF_SAMPLE_DATA_PAGE_SIZE		= 1U << 22,
	PERF_SAMPLE_CODE_PAGE_SIZE		= 1U << 23,
	PERF_SAMPLE_WEIGHT_STRUCT		= 1U << 24,

PERF_SAMPLE_MAX = 1U << 25,		/* non-ABI */
#else
	PERF_SAMPLE_MAX = 1U << 22,		/* non-ABI */
#endif /* __GENKSYMS__ */

__PERF_SAMPLE_CALLCHAIN_EARLY		= 1ULL << 63, /* non-ABI; internal use */
};

#define PERF_SAMPLE_WEIGHT_TYPE	(PERF_SAMPLE_WEIGHT | PERF_SAMPLE_WEIGHT_STRUCT)
/*
 * values to program into branch_sample_type when PERF_SAMPLE_BRANCH is set
 *
 * If the user does not pass priv level information via branch_sample_type,
 * the kernel uses the event's priv level. Branch and event priv levels do
 * not have to match. Branch priv level is checked for permissions.
 *
 * The branch types can be combined, however BRANCH_ANY covers all types
 * of branches and therefore it supersedes all the other types.
 */
enum perf_branch_sample_type_shift {
	PERF_SAMPLE_BRANCH_USER_SHIFT		= 0, /* user branches */
	PERF_SAMPLE_BRANCH_KERNEL_SHIFT		= 1, /* kernel branches */
	PERF_SAMPLE_BRANCH_HV_SHIFT		= 2, /* hypervisor branches */

PERF_SAMPLE_BRANCH_ANY_SHIFT		= 3, /* any branch types */
	PERF_SAMPLE_BRANCH_ANY_CALL_SHIFT	= 4, /* any call branch */
	PERF_SAMPLE_BRANCH_ANY_RETURN_SHIFT	= 5, /* any return branch */
	PERF_SAMPLE_BRANCH_IND_CALL_SHIFT	= 6, /* indirect calls */
	PERF_SAMPLE_BRANCH_ABORT_TX_SHIFT	= 7, /* transaction aborts */
	PERF_SAMPLE_BRANCH_IN_TX_SHIFT		= 8, /* in transaction */
	PERF_SAMPLE_BRANCH_NO_TX_SHIFT		= 9, /* not in transaction */
	PERF_SAMPLE_BRANCH_COND_SHIFT		= 10, /* conditional branches */

PERF_SAMPLE_BRANCH_CALL_STACK_SHIFT	= 11, /* call/ret stack */
	PERF_SAMPLE_BRANCH_IND_JUMP_SHIFT	= 12, /* indirect jumps */
	PERF_SAMPLE_BRANCH_CALL_SHIFT		= 13, /* direct call */

PERF_SAMPLE_BRANCH_NO_FLAGS_SHIFT	= 14, /* no flags */
	PERF_SAMPLE_BRANCH_NO_CYCLES_SHIFT	= 15, /* no cycles */

PERF_SAMPLE_BRANCH_TYPE_SAVE_SHIFT	= 16, /* save branch type */

PERF_SAMPLE_BRANCH_HW_INDEX_SHIFT	= 17, /* save low level index of raw branch records */

PERF_SAMPLE_BRANCH_MAX_SHIFT		/* non-ABI */
};

enum perf_branch_sample_type {
	PERF_SAMPLE_BRANCH_USER		= 1U << PERF_SAMPLE_BRANCH_USER_SHIFT,
	PERF_SAMPLE_BRANCH_KERNEL	= 1U << PERF_SAMPLE_BRANCH_KERNEL_SHIFT,
	PERF_SAMPLE_BRANCH_HV		= 1U << PERF_SAMPLE_BRANCH_HV_SHIFT,

PERF_SAMPLE_BRANCH_ANY		= 1U << PERF_SAMPLE_BRANCH_ANY_SHIFT,
	PERF_SAMPLE_BRANCH_ANY_CALL	= 1U << PERF_SAMPLE_BRANCH_ANY_CALL_SHIFT,
	PERF_SAMPLE_BRANCH_ANY_RETURN	= 1U << PERF_SAMPLE_BRANCH_ANY_RETURN_SHIFT,
	PERF_SAMPLE_BRANCH_IND_CALL	= 1U << PERF_SAMPLE_BRANCH_IND_CALL_SHIFT,
	PERF_SAMPLE_BRANCH_ABORT_TX	= 1U << PERF_SAMPLE_BRANCH_ABORT_TX_SHIFT,
	PERF_SAMPLE_BRANCH_IN_TX	= 1U << PERF_SAMPLE_BRANCH_IN_TX_SHIFT,
	PERF_SAMPLE_BRANCH_NO_TX	= 1U << PERF_SAMPLE_BRANCH_NO_TX_SHIFT,
	PERF_SAMPLE_BRANCH_COND		= 1U << PERF_SAMPLE_BRANCH_COND_SHIFT,

PERF_SAMPLE_BRANCH_CALL_STACK	= 1U << PERF_SAMPLE_BRANCH_CALL_STACK_SHIFT,
	PERF_SAMPLE_BRANCH_IND_JUMP	= 1U << PERF_SAMPLE_BRANCH_IND_JUMP_SHIFT,
	PERF_SAMPLE_BRANCH_CALL		= 1U << PERF_SAMPLE_BRANCH_CALL_SHIFT,

PERF_SAMPLE_BRANCH_NO_FLAGS	= 1U << PERF_SAMPLE_BRANCH_NO_FLAGS_SHIFT,
	PERF_SAMPLE_BRANCH_NO_CYCLES	= 1U << PERF_SAMPLE_BRANCH_NO_CYCLES_SHIFT,

PERF_SAMPLE_BRANCH_TYPE_SAVE	=
		1U << PERF_SAMPLE_BRANCH_TYPE_SAVE_SHIFT,

PERF_SAMPLE_BRANCH_HW_INDEX	= 1U << PERF_SAMPLE_BRANCH_HW_INDEX_SHIFT,

PERF_SAMPLE_BRANCH_MAX		= 1U << PERF_SAMPLE_BRANCH_MAX_SHIFT,
};

/*
 * Common flow change classification
 */
enum {
	PERF_BR_UNKNOWN		= 0,	/* unknown */
	PERF_BR_COND		= 1,	/* conditional */
	PERF_BR_UNCOND		= 2,	/* unconditional  */
	PERF_BR_IND		= 3,	/* indirect */
	PERF_BR_CALL		= 4,	/* function call */
	PERF_BR_IND_CALL	= 5,	/* indirect function call */
	PERF_BR_RET		= 6,	/* function return */
	PERF_BR_SYSCALL		= 7,	/* syscall */
	PERF_BR_SYSRET		= 8,	/* syscall return */
	PERF_BR_COND_CALL	= 9,	/* conditional function call */
	PERF_BR_COND_RET	= 10,	/* conditional function return */
	PERF_BR_ERET		= 11,	/* exception return */
	PERF_BR_IRQ		= 12,	/* irq */
	PERF_BR_MAX,
};

/*
 * Common branch speculation outcome classification
 */
enum {
	PERF_BR_SPEC_NA			= 0,	/* Not available */
	PERF_BR_SPEC_WRONG_PATH		= 1,	/* Speculative but on wrong path */
	PERF_BR_NON_SPEC_CORRECT_PATH	= 2,	/* Non-speculative but on correct path */
	PERF_BR_SPEC_CORRECT_PATH	= 3,	/* Speculative and on correct path */
	PERF_BR_SPEC_MAX,
};

#define PERF_SAMPLE_BRANCH_PLM_ALL \
	(PERF_SAMPLE_BRANCH_USER|\
	 PERF_SAMPLE_BRANCH_KERNEL|\
	 PERF_SAMPLE_BRANCH_HV)

/*
 * Values to determine ABI of the registers dump.
 */
enum perf_sample_regs_abi {
	PERF_SAMPLE_REGS_ABI_NONE	= 0,
	PERF_SAMPLE_REGS_ABI_32		= 1,
	PERF_SAMPLE_REGS_ABI_64		= 2,
};

/*
 * Values for the memory transaction event qualifier, mostly for
 * abort events. Multiple bits can be set.
 */
enum {
	PERF_TXN_ELISION        = (1 << 0), /* From elision */
	PERF_TXN_TRANSACTION    = (1 << 1), /* From transaction */
	PERF_TXN_SYNC           = (1 << 2), /* Instruction is related */
	PERF_TXN_ASYNC          = (1 << 3), /* Instruction not related */
	PERF_TXN_RETRY          = (1 << 4), /* Retry possible */
	PERF_TXN_CONFLICT       = (1 << 5), /* Conflict abort */
	PERF_TXN_CAPACITY_WRITE = (1 << 6), /* Capacity write abort */
	PERF_TXN_CAPACITY_READ  = (1 << 7), /* Capacity read abort */

PERF_TXN_MAX	        = (1 << 8), /* non-ABI */

/* bits 32..63 are reserved for the abort code */

PERF_TXN_ABORT_MASK  = (0xffffffffULL << 32),
	PERF_TXN_ABORT_SHIFT = 32,
};

/*
 * The format of the data returned by read() on a perf event fd,
 * as specified by attr.read_format:
 *
 * struct read_format {
 *	{ u64		value;
 *	  { u64		time_enabled; } && PERF_FORMAT_TOTAL_TIME_ENABLED
 *	  { u64		time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING
 *	  { u64		id;           } && PERF_FORMAT_ID
 *	} && !PERF_FORMAT_GROUP
 *
 *	{ u64		nr;
 *	  { u64		time_enabled; } && PERF_FORMAT_TOTAL_TIME_ENABLED
 *	  { u64		time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING
 *	  { u64		value;
 *	    { u64	id;           } && PERF_FORMAT_ID
 *	  }		cntr[nr];
 *	} && PERF_FORMAT_GROUP
 * };
 */
enum perf_event_read_format {
	PERF_FORMAT_TOTAL_TIME_ENABLED		= 1U << 0,
	PERF_FORMAT_TOTAL_TIME_RUNNING		= 1U << 1,
	PERF_FORMAT_ID				= 1U << 2,
	PERF_FORMAT_GROUP			= 1U << 3,

PERF_FORMAT_MAX = 1U << 4,		/* non-ABI */
};

#define PERF_ATTR_SIZE_VER0	64	/* sizeof first published struct */
#define PERF_ATTR_SIZE_VER1	72	/* add: config2 */
#define PERF_ATTR_SIZE_VER2	80	/* add: branch_sample_type */
#define PERF_ATTR_SIZE_VER3	96	/* add: sample_regs_user */
					/* add: sample_stack_user */
#define PERF_ATTR_SIZE_VER4	104	/* add: sample_regs_intr */
#define PERF_ATTR_SIZE_VER5	112	/* add: aux_watermark */
#define PERF_ATTR_SIZE_VER6	120	/* add: aux_sample_size */

/*
 * Hardware event_id to monitor via a performance monitoring event:
 *
 * @sample_max_stack: Max number of frame pointers in a callchain,
 *		      should be < /proc/sys/kernel/perf_event_max_stack
 */
struct perf_event_attr {

/*
	 * Major type: hardware/software/tracepoint/etc.
	 */
	__u32			type;

/*
	 * Size of the attr structure, for fwd/bwd compat.
	 */
	__u32			size;

/*
	 * Type specific configuration information.
	 */
	__u64			config;

union {
		__u64		sample_period;
		__u64		sample_freq;
	};

__u64			sample_type;
	__u64			read_format;

__u64			disabled       :  1, /* off by default        */
				inherit	       :  1, /* children inherit it   */
				pinned	       :  1, /* must always be on PMU */
				exclusive      :  1, /* only group on PMU     */
				exclude_user   :  1, /* don't count user      */
				exclude_kernel :  1, /* ditto kernel          */
				exclude_hv     :  1, /* ditto hypervisor      */
				exclude_idle   :  1, /* don't count when idle */
				mmap           :  1, /* include mmap data     */
				comm	       :  1, /* include comm data     */
				freq           :  1, /* use freq, not period  */
				inherit_stat   :  1, /* per task counts       */
				enable_on_exec :  1, /* next exec enables     */
				task           :  1, /* trace fork/exit       */
				watermark      :  1, /* wakeup_watermark      */
				/*
				 * precise_ip:
				 *
				 *  0 - SAMPLE_IP can have arbitrary skid
				 *  1 - SAMPLE_IP must have constant skid
				 *  2 - SAMPLE_IP requested to have 0 skid
				 *  3 - SAMPLE_IP must have 0 skid
				 *
				 *  See also PERF_RECORD_MISC_EXACT_IP
				 */
				precise_ip     :  2, /* skid constraint       */
				mmap_data      :  1, /* non-exec mmap data    */
				sample_id_all  :  1, /* sample_type all events */

exclude_host   :  1, /* don't count in host   */
				exclude_guest  :  1, /* don't count in guest  */

exclude_callchain_kernel : 1, /* exclude kernel callchains */
				exclude_callchain_user   : 1, /* exclude user callchains */
				mmap2          :  1, /* include mmap with inode data     */
				comm_exec      :  1, /* flag comm events that are due to an exec */
				use_clockid    :  1, /* use @clockid for time fields */
				context_switch :  1, /* context switch data */
				write_backward :  1, /* Write ring buffer from end to beginning */
				namespaces     :  1, /* include namespaces data */
#ifndef __GENKSYMS__
				ksymbol        :  1, /* include ksymbol events */
				bpf_event      :  1, /* include bpf events */
				aux_output     :  1, /* generate AUX records instead of events */
				cgroup         :  1, /* include cgroup events */
				text_poke      :  1, /* include text poke events */
				build_id       :  1, /* use build id in mmap2 events */
				inherit_thread :  1, /* children only inherit if cloned with CLONE_THREAD */
				remove_on_exec :  1, /* event is removed from task on exec */
				__reserved_1   : 27;
#else
				__reserved_1   : 35;
#endif /*  __GENKSYMS__ */

union {
		__u32		wakeup_events;	  /* wakeup every n events */
		__u32		wakeup_watermark; /* bytes before wakeup   */
	};

__u32			bp_type;
	union {
		__u64		bp_addr;
		__u64		kprobe_func; /* for perf_kprobe */
		__u64		uprobe_path; /* for perf_uprobe */
		__u64		config1; /* extension of config */
	};
	union {
		__u64		bp_len;
		__u64		kprobe_addr; /* when kprobe_func == NULL */
		__u64		probe_offset; /* for perf_[k,u]probe */
		__u64		config2; /* extension of config1 */
	};
	__u64	branch_sample_type; /* enum perf_branch_sample_type */

/*
	 * Defines set of user regs to dump on samples.
	 * See asm/perf_regs.h for details.
	 */
	__u64	sample_regs_user;

/*
	 * Defines size of the user stack to dump on samples.
	 */
	__u32	sample_stack_user;

__s32	clockid;
	/*
	 * Defines set of regs to dump for each sample
	 * state captured on:
	 *  - precise = 0: PMU interrupt
	 *  - precise > 0: sampled instruction
	 *
	 * See asm/perf_regs.h for details.
	 */
	__u64	sample_regs_intr;

/*
	 * Wakeup watermark for AUX area
	 */
	__u32	aux_watermark;
	__u16	sample_max_stack;
	__u16	__reserved_2;
#ifndef __GENKSYMS__
	__u32	aux_sample_size;
	__u32	__reserved_3;
#endif /* __GENKSYMS__ */
};

/*
 * Structure used by below PERF_EVENT_IOC_QUERY_BPF command
 * to query bpf programs attached to the same perf tracepoint
 * as the given perf event.
 */
struct perf_event_query_bpf {
	/*
	 * The below ids array length
	 */
	__u32	ids_len;
	/*
	 * Set by the kernel to indicate the number of
	 * available programs
	 */
	__u32	prog_cnt;
	/*
	 * User provided buffer to store program ids
	 */
	__u32	ids[0];
};

/*
 * Ioctls that can be done on a perf event fd:
 */
#define PERF_EVENT_IOC_ENABLE			_IO ('$', 0)
#define PERF_EVENT_IOC_DISABLE			_IO ('$', 1)
#define PERF_EVENT_IOC_REFRESH			_IO ('$', 2)
#define PERF_EVENT_IOC_RESET			_IO ('$', 3)
#define PERF_EVENT_IOC_PERIOD			_IOW('$', 4, __u64)
#define PERF_EVENT_IOC_SET_OUTPUT		_IO ('$', 5)
#define PERF_EVENT_IOC_SET_FILTER		_IOW('$', 6, char *)
#define PERF_EVENT_IOC_ID			_IOR('$', 7, __u64 *)
#define PERF_EVENT_IOC_SET_BPF			_IOW('$', 8, __u32)
#define PERF_EVENT_IOC_PAUSE_OUTPUT		_IOW('$', 9, __u32)
#define PERF_EVENT_IOC_QUERY_BPF		_IOWR('$', 10, struct perf_event_query_bpf *)
#define PERF_EVENT_IOC_MODIFY_ATTRIBUTES	_IOW('$', 11, struct perf_event_attr *)

enum perf_event_ioc_flags {
	PERF_IOC_FLAG_GROUP		= 1U << 0,
};

/*
 * Structure of the page that can be mapped via mmap
 */
struct perf_event_mmap_page {
	__u32	version;		/* version number of this structure */
	__u32	compat_version;		/* lowest version this is compat with */

/*
	 * Bits needed to read the hw events in user-space.
	 *
	 *   u32 seq, time_mult, time_shift, index, width;
	 *   u64 count, enabled, running;
	 *   u64 cyc, time_offset;
	 *   s64 pmc = 0;
	 *
	 *   do {
	 *     seq = pc->lock;
	 *     barrier()
	 *
	 *     enabled = pc->time_enabled;
	 *     running = pc->time_running;
	 *
	 *     if (pc->cap_usr_time && enabled != running) {
	 *       cyc = rdtsc();
	 *       time_offset = pc->time_offset;
	 *       time_mult   = pc->time_mult;
	 *       time_shift  = pc->time_shift;
	 *     }
	 *
	 *     index = pc->index;
	 *     count = pc->offset;
	 *     if (pc->cap_user_rdpmc && index) {
	 *       width = pc->pmc_width;
	 *       pmc = rdpmc(index - 1);
	 *     }
	 *
	 *     barrier();
	 *   } while (pc->lock != seq);
	 *
	 * NOTE: for obvious reason this only works on self-monitoring
	 *       processes.
	 */
	__u32	lock;			/* seqlock for synchronization */
	__u32	index;			/* hardware event identifier */
	__s64	offset;			/* add to hardware event value */
	__u64	time_enabled;		/* time event active */
	__u64	time_running;		/* time event on cpu */
	union {
		__u64	capabilities;
		struct {
			__u64	cap_bit0		: 1, /* Always 0, deprecated, see commit 860f085b74e9 */
				cap_bit0_is_deprecated	: 1, /* Always 1, signals that bit 0 is zero */

cap_user_rdpmc		: 1, /* The RDPMC instruction can be used to read counts */
				cap_user_time		: 1, /* The time_{shift,mult,offset} fields are used */
				cap_user_time_zero	: 1, /* The time_zero field is used */
				cap_user_time_short	: 1, /* the time_{cycle,mask} fields are used */
				cap_____res		: 58;
		};
	};

/*
	 * If cap_user_rdpmc this field provides the bit-width of the value
	 * read using the rdpmc() or equivalent instruction. This can be used
	 * to sign extend the result like:
	 *
	 *   pmc <<= 64 - width;
	 *   pmc >>= 64 - width; // signed shift right
	 *   count += pmc;
	 */
	__u16	pmc_width;

/*
	 * If cap_usr_time the below fields can be used to compute the time
	 * delta since time_enabled (in ns) using rdtsc or similar.
	 *
	 *   u64 quot, rem;
	 *   u64 delta;
	 *
	 *   quot = (cyc >> time_shift);
	 *   rem = cyc & (((u64)1 << time_shift) - 1);
	 *   delta = time_offset + quot * time_mult +
	 *              ((rem * time_mult) >> time_shift);
	 *
	 * Where time_offset,time_mult,time_shift and cyc are read in the
	 * seqcount loop described above. This delta can then be added to
	 * enabled and possible running (if index), improving the scaling:
	 *
	 *   enabled += delta;
	 *   if (index)
	 *     running += delta;
	 *
	 *   quot = count / running;
	 *   rem  = count % running;
	 *   count = quot * enabled + (rem * enabled) / running;
	 */
	__u16	time_shift;
	__u32	time_mult;
	__u64	time_offset;
	/*
	 * If cap_usr_time_zero, the hardware clock (e.g. TSC) can be calculated
	 * from sample timestamps.
	 *
	 *   time = timestamp - time_zero;
	 *   quot = time / time_mult;
	 *   rem  = time % time_mult;
	 *   cyc = (quot << time_shift) + (rem << time_shift) / time_mult;
	 *
	 * And vice versa:
	 *
	 *   quot = cyc >> time_shift;
	 *   rem  = cyc & (((u64)1 << time_shift) - 1);
	 *   timestamp = time_zero + quot * time_mult +
	 *               ((rem * time_mult) >> time_shift);
	 */
	__u64	time_zero;

__u32	size;			/* Header size up to __reserved[] fields. */
	__u32	__reserved_1;

/*
	 * If cap_usr_time_short, the hardware clock is less than 64bit wide
	 * and we must compute the 'cyc' value, as used by cap_usr_time, as:
	 *
	 *   cyc = time_cycles + ((cyc - time_cycles) & time_mask)
	 *
	 * NOTE: this form is explicitly chosen such that cap_usr_time_short
	 *       is a correction on top of cap_usr_time, and code that doesn't
	 *       know about cap_usr_time_short still works under the assumption
	 *       the counter doesn't wrap.
	 */
	__u64	time_cycles;
	__u64	time_mask;

/*
		 * Hole for extension of the self monitor capabilities
		 */

__u8	__reserved[116*8];	/* align to 1k. */

/*
	 * Control data for the mmap() data buffer.
	 *
	 * User-space reading the @data_head value should issue an smp_rmb(),
	 * after reading this value.
	 *
	 * When the mapping is PROT_WRITE the @data_tail value should be
	 * written by userspace to reflect the last read data, after issueing
	 * an smp_mb() to separate the data read from the ->data_tail store.
	 * In this case the kernel will not over-write unread data.
	 *
	 * See perf_output_put_handle() for the data ordering.
	 *
	 * data_{offset,size} indicate the location and size of the perf record
	 * buffer within the mmapped area.
	 */
	__u64   data_head;		/* head in the data section */
	__u64	data_tail;		/* user-space written tail */
	__u64	data_offset;		/* where the buffer starts */
	__u64	data_size;		/* data buffer size */

/*
	 * AUX area is defined by aux_{offset,size} fields that should be set
	 * by the userspace, so that
	 *
	 *   aux_offset >= data_offset + data_size
	 *
	 * prior to mmap()ing it. Size of the mmap()ed area should be aux_size.
	 *
	 * Ring buffer pointers aux_{head,tail} have the same semantics as
	 * data_{head,tail} and same ordering rules apply.
	 */
	__u64	aux_head;
	__u64	aux_tail;
	__u64	aux_offset;
	__u64	aux_size;
};

/*
 * The current state of perf_event_header::misc bits usage:
 * ('|' used bit, '-' unused bit)
 *
 *  012         CDEF
 *  |||---------||||
 *
 *  Where:
 *    0-2     CPUMODE_MASK
 *
 *    C       PROC_MAP_PARSE_TIMEOUT
 *    D       MMAP_DATA / COMM_EXEC / FORK_EXEC / SWITCH_OUT
 *    E       MMAP_BUILD_ID / EXACT_IP / SCHED_OUT_PREEMPT
 *    F       (reserved)
 */

#define PERF_RECORD_MISC_CPUMODE_MASK		(7 << 0)
#define PERF_RECORD_MISC_CPUMODE_UNKNOWN	(0 << 0)
#define PERF_RECORD_MISC_KERNEL			(1 << 0)
#define PERF_RECORD_MISC_USER			(2 << 0)
#define PERF_RECORD_MISC_HYPERVISOR		(3 << 0)
#define PERF_RECORD_MISC_GUEST_KERNEL		(4 << 0)
#define PERF_RECORD_MISC_GUEST_USER		(5 << 0)

/*
 * Indicates that /proc/PID/maps parsing are truncated by time out.
 */
#define PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT	(1 << 12)
/*
 * Following PERF_RECORD_MISC_* are used on different
 * events, so can reuse the same bit position:
 *
 *   PERF_RECORD_MISC_MMAP_DATA  - PERF_RECORD_MMAP* events
 *   PERF_RECORD_MISC_COMM_EXEC  - PERF_RECORD_COMM event
 *   PERF_RECORD_MISC_FORK_EXEC  - PERF_RECORD_FORK event (perf internal)
 *   PERF_RECORD_MISC_SWITCH_OUT - PERF_RECORD_SWITCH* events
 */
#define PERF_RECORD_MISC_MMAP_DATA		(1 << 13)
#define PERF_RECORD_MISC_COMM_EXEC		(1 << 13)
#define PERF_RECORD_MISC_FORK_EXEC		(1 << 13)
#define PERF_RECORD_MISC_SWITCH_OUT		(1 << 13)
/*
 * These PERF_RECORD_MISC_* flags below are safely reused
 * for the following events:
 *
 *   PERF_RECORD_MISC_EXACT_IP           - PERF_RECORD_SAMPLE of precise events
 *   PERF_RECORD_MISC_SWITCH_OUT_PREEMPT - PERF_RECORD_SWITCH* events
 *   PERF_RECORD_MISC_MMAP_BUILD_ID      - PERF_RECORD_MMAP2 event
 *
 *
 * PERF_RECORD_MISC_EXACT_IP:
 *   Indicates that the content of PERF_SAMPLE_IP points to
 *   the actual instruction that triggered the event. See also
 *   perf_event_attr::precise_ip.
 *
 * PERF_RECORD_MISC_SWITCH_OUT_PREEMPT:
 *   Indicates that thread was preempted in TASK_RUNNING state.
 *
 * PERF_RECORD_MISC_MMAP_BUILD_ID:
 *   Indicates that mmap2 event carries build id data.
 */
#define PERF_RECORD_MISC_EXACT_IP		(1 << 14)
#define PERF_RECORD_MISC_SWITCH_OUT_PREEMPT	(1 << 14)
#define PERF_RECORD_MISC_MMAP_BUILD_ID		(1 << 14)
/*
 * Reserve the last bit to indicate some extended misc field
 */
#define PERF_RECORD_MISC_EXT_RESERVED		(1 << 15)

struct perf_event_header {
	__u32	type;
	__u16	misc;
	__u16	size;
};

struct perf_ns_link_info {
	__u64	dev;
	__u64	ino;
};

enum {
	NET_NS_INDEX		= 0,
	UTS_NS_INDEX		= 1,
	IPC_NS_INDEX		= 2,
	PID_NS_INDEX		= 3,
	USER_NS_INDEX		= 4,
	MNT_NS_INDEX		= 5,
	CGROUP_NS_INDEX		= 6,

NR_NAMESPACES,		/* number of available namespaces */
};

enum perf_event_type {

/*
	 * If perf_event_attr.sample_id_all is set then all event types will
	 * have the sample_type selected fields related to where/when
	 * (identity) an event took place (TID, TIME, ID, STREAM_ID, CPU,
	 * IDENTIFIER) described in PERF_RECORD_SAMPLE below, it will be stashed
	 * just after the perf_event_header and the fields already present for
	 * the existing fields, i.e. at the end of the payload. That way a newer
	 * perf.data file will be supported by older perf tools, with these new
	 * optional fields being ignored.
	 *
	 * struct sample_id {
	 * 	{ u32			pid, tid; } && PERF_SAMPLE_TID
	 * 	{ u64			time;     } && PERF_SAMPLE_TIME
	 * 	{ u64			id;       } && PERF_SAMPLE_ID
	 * 	{ u64			stream_id;} && PERF_SAMPLE_STREAM_ID
	 * 	{ u32			cpu, res; } && PERF_SAMPLE_CPU
	 *	{ u64			id;	  } && PERF_SAMPLE_IDENTIFIER
	 * } && perf_event_attr::sample_id_all
	 *
	 * Note that PERF_SAMPLE_IDENTIFIER duplicates PERF_SAMPLE_ID.  The
	 * advantage of PERF_SAMPLE_IDENTIFIER is that its position is fixed
	 * relative to header.size.
	 */

/*
	 * The MMAP events record the PROT_EXEC mappings so that we can
	 * correlate userspace IPs to code. They have the following structure:
	 *
	 * struct {
	 *	struct perf_event_header	header;
	 *
	 *	u32				pid, tid;
	 *	u64				addr;
	 *	u64				len;
	 *	u64				pgoff;
	 *	char				filename[];
	 * 	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_MMAP			= 1,

/*
	 * struct {
	 *	struct perf_event_header	header;
	 *	u64				id;
	 *	u64				lost;
	 * 	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_LOST			= 2,

/*
	 * struct {
	 *	struct perf_event_header	header;
	 *
	 *	u32				pid, tid;
	 *	char				comm[];
	 * 	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_COMM			= 3,

/*
	 * struct {
	 *	struct perf_event_header	header;
	 *	u32				pid, ppid;
	 *	u32				tid, ptid;
	 *	u64				time;
	 * 	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_EXIT			= 4,

/*
	 * struct {
	 *	struct perf_event_header	header;
	 *	u64				time;
	 *	u64				id;
	 *	u64				stream_id;
	 * 	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_THROTTLE			= 5,
	PERF_RECORD_UNTHROTTLE			= 6,

/*
	 * struct {
	 *	struct perf_event_header	header;
	 *	u32				pid, ppid;
	 *	u32				tid, ptid;
	 *	u64				time;
	 * 	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_FORK			= 7,

/*
	 * struct {
	 *	struct perf_event_header	header;
	 *	u32				pid, tid;
	 *
	 *	struct read_format		values;
	 * 	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_READ			= 8,

/*
	 * struct {
	 *	struct perf_event_header	header;
	 *
	 *	#
	 *	# Note that PERF_SAMPLE_IDENTIFIER duplicates PERF_SAMPLE_ID.
	 *	# The advantage of PERF_SAMPLE_IDENTIFIER is that its position
	 *	# is fixed relative to header.
	 *	#
	 *
	 *	{ u64			id;	  } && PERF_SAMPLE_IDENTIFIER
	 *	{ u64			ip;	  } && PERF_SAMPLE_IP
	 *	{ u32			pid, tid; } && PERF_SAMPLE_TID
	 *	{ u64			time;     } && PERF_SAMPLE_TIME
	 *	{ u64			addr;     } && PERF_SAMPLE_ADDR
	 *	{ u64			id;	  } && PERF_SAMPLE_ID
	 *	{ u64			stream_id;} && PERF_SAMPLE_STREAM_ID
	 *	{ u32			cpu, res; } && PERF_SAMPLE_CPU
	 *	{ u64			period;   } && PERF_SAMPLE_PERIOD
	 *
	 *	{ struct read_format	values;	  } && PERF_SAMPLE_READ
	 *
	 *	{ u64			nr,
	 *	  u64			ips[nr];  } && PERF_SAMPLE_CALLCHAIN
	 *
	 *	#
	 *	# The RAW record below is opaque data wrt the ABI
	 *	#
	 *	# That is, the ABI doesn't make any promises wrt to
	 *	# the stability of its content, it may vary depending
	 *	# on event, hardware, kernel version and phase of
	 *	# the moon.
	 *	#
	 *	# In other words, PERF_SAMPLE_RAW contents are not an ABI.
	 *	#
	 *
	 *	{ u32			size;
	 *	  char                  data[size];}&& PERF_SAMPLE_RAW
	 *
	 *	{ u64                   nr;
	 *	  { u64	hw_idx; } && PERF_SAMPLE_BRANCH_HW_INDEX
	 *        { u64 from, to, flags } lbr[nr];
	 *      } && PERF_SAMPLE_BRANCH_STACK
	 *
	 * 	{ u64			abi; # enum perf_sample_regs_abi
	 * 	  u64			regs[weight(mask)]; } && PERF_SAMPLE_REGS_USER
	 *
	 * 	{ u64			size;
	 * 	  char			data[size];
	 * 	  u64			dyn_size; } && PERF_SAMPLE_STACK_USER
	 *
	 *	{ union perf_sample_weight
	 *	 {
	 *		u64		full; && PERF_SAMPLE_WEIGHT
	 *	#if defined(__LITTLE_ENDIAN_BITFIELD)
	 *		struct {
	 *			u32	var1_dw;
	 *			u16	var2_w;
	 *			u16	var3_w;
	 *		} && PERF_SAMPLE_WEIGHT_STRUCT
	 *	#elif defined(__BIG_ENDIAN_BITFIELD)
	 *		struct {
	 *			u16	var3_w;
	 *			u16	var2_w;
	 *			u32	var1_dw;
	 *		} && PERF_SAMPLE_WEIGHT_STRUCT
	 *	#endif
	 *	 }
	 *	}
	 *	{ u64			data_src; } && PERF_SAMPLE_DATA_SRC
	 *	{ u64			transaction; } && PERF_SAMPLE_TRANSACTION
	 *	{ u64			abi; # enum perf_sample_regs_abi
	 *	  u64			regs[weight(mask)]; } && PERF_SAMPLE_REGS_INTR
	 *	{ u64			phys_addr;} && PERF_SAMPLE_PHYS_ADDR
	 *	{ u64			size;
	 *	  char			data[size]; } && PERF_SAMPLE_AUX
	 *	{ u64			data_page_size;} && PERF_SAMPLE_DATA_PAGE_SIZE
	 *	{ u64			code_page_size;} && PERF_SAMPLE_CODE_PAGE_SIZE
	 * };
	 */
	PERF_RECORD_SAMPLE			= 9,

/*
	 * The MMAP2 records are an augmented version of MMAP, they add
	 * maj, min, ino numbers to be used to uniquely identify each mapping
	 *
	 * struct {
	 *	struct perf_event_header	header;
	 *
	 *	u32				pid, tid;
	 *	u64				addr;
	 *	u64				len;
	 *	u64				pgoff;
	 *	union {
	 *		struct {
	 *			u32		maj;
	 *			u32		min;
	 *			u64		ino;
	 *			u64		ino_generation;
	 *		};
	 *		struct {
	 *			u8		build_id_size;
	 *			u8		__reserved_1;
	 *			u16		__reserved_2;
	 *			u8		build_id[20];
	 *		};
	 *	};
	 *	u32				prot, flags;
	 *	char				filename[];
	 * 	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_MMAP2			= 10,

/*
	 * Records that new data landed in the AUX buffer part.
	 *
	 * struct {
	 * 	struct perf_event_header	header;
	 *
	 * 	u64				aux_offset;
	 * 	u64				aux_size;
	 *	u64				flags;
	 * 	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_AUX				= 11,

/*
	 * Indicates that instruction trace has started
	 *
	 * struct {
	 *	struct perf_event_header	header;
	 *	u32				pid;
	 *	u32				tid;
	 *	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_ITRACE_START		= 12,

/*
	 * Records the dropped/lost sample number.
	 *
	 * struct {
	 *	struct perf_event_header	header;
	 *
	 *	u64				lost;
	 *	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_LOST_SAMPLES		= 13,

/*
	 * Records a context switch in or out (flagged by
	 * PERF_RECORD_MISC_SWITCH_OUT). See also
	 * PERF_RECORD_SWITCH_CPU_WIDE.
	 *
	 * struct {
	 *	struct perf_event_header	header;
	 *	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_SWITCH			= 14,

/*
	 * CPU-wide version of PERF_RECORD_SWITCH with next_prev_pid and
	 * next_prev_tid that are the next (switching out) or previous
	 * (switching in) pid/tid.
	 *
	 * struct {
	 *	struct perf_event_header	header;
	 *	u32				next_prev_pid;
	 *	u32				next_prev_tid;
	 *	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_SWITCH_CPU_WIDE		= 15,

/*
	 * struct {
	 *	struct perf_event_header	header;
	 *	u32				pid;
	 *	u32				tid;
	 *	u64				nr_namespaces;
	 *	{ u64				dev, inode; } [nr_namespaces];
	 *	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_NAMESPACES			= 16,

#ifndef __GENKSYMS__
	/*
	 * Record ksymbol register/unregister events:
	 *
	 * struct {
	 *	struct perf_event_header	header;
	 *	u64				addr;
	 *	u32				len;
	 *	u16				ksym_type;
	 *	u16				flags;
	 *	char				name[];
	 *	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_KSYMBOL			= 17,

/*
	 * Record bpf events:
	 *  enum perf_bpf_event_type {
	 *	PERF_BPF_EVENT_UNKNOWN		= 0,
	 *	PERF_BPF_EVENT_PROG_LOAD	= 1,
	 *	PERF_BPF_EVENT_PROG_UNLOAD	= 2,
	 *  };
	 *
	 * struct {
	 *	struct perf_event_header	header;
	 *	u16				type;
	 *	u16				flags;
	 *	u32				id;
	 *	u8				tag[BPF_TAG_SIZE];
	 *	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_BPF_EVENT			= 18,

/*
	 * struct {
	 *	struct perf_event_header	header;
	 *	u64				id;
	 *	char				path[];
	 *	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_CGROUP			= 19,

/*
	 * Records changes to kernel text i.e. self-modified code. 'old_len' is
	 * the number of old bytes, 'new_len' is the number of new bytes. Either
	 * 'old_len' or 'new_len' may be zero to indicate, for example, the
	 * addition or removal of a trampoline. 'bytes' contains the old bytes
	 * followed immediately by the new bytes.
	 *
	 * struct {
	 *	struct perf_event_header	header;
	 *	u64				addr;
	 *	u16				old_len;
	 *	u16				new_len;
	 *	u8				bytes[];
	 *	struct sample_id		sample_id;
	 * };
	 */
	PERF_RECORD_TEXT_POKE			= 20,
#endif /* __GENKSYMS__ */

PERF_RECORD_MAX,			/* non-ABI */
};

enum perf_record_ksymbol_type {
	PERF_RECORD_KSYMBOL_TYPE_UNKNOWN	= 0,
	PERF_RECORD_KSYMBOL_TYPE_BPF		= 1,
	PERF_RECORD_KSYMBOL_TYPE_MAX		/* non-ABI */
};

#define PERF_RECORD_KSYMBOL_FLAGS_UNREGISTER	(1 << 0)

enum perf_bpf_event_type {
	PERF_BPF_EVENT_UNKNOWN		= 0,
	PERF_BPF_EVENT_PROG_LOAD	= 1,
	PERF_BPF_EVENT_PROG_UNLOAD	= 2,
	PERF_BPF_EVENT_MAX,		/* non-ABI */
};

#define PERF_MAX_STACK_DEPTH		127
#define PERF_MAX_CONTEXTS_PER_STACK	  8

enum perf_callchain_context {
	PERF_CONTEXT_HV			= (__u64)-32,
	PERF_CONTEXT_KERNEL		= (__u64)-128,
	PERF_CONTEXT_USER		= (__u64)-512,

PERF_CONTEXT_GUEST		= (__u64)-2048,
	PERF_CONTEXT_GUEST_KERNEL	= (__u64)-2176,
	PERF_CONTEXT_GUEST_USER		= (__u64)-2560,

PERF_CONTEXT_MAX		= (__u64)-4095,
};

/**
 * PERF_RECORD_AUX::flags bits
 */
#define PERF_AUX_FLAG_TRUNCATED		0x01	/* record was truncated to fit */
#define PERF_AUX_FLAG_OVERWRITE		0x02	/* snapshot from overwrite mode */
#define PERF_AUX_FLAG_PARTIAL		0x04	/* record contains gaps */
#define PERF_AUX_FLAG_COLLISION		0x08	/* sample collided with another */

#define PERF_FLAG_FD_NO_GROUP		(1UL << 0)
#define PERF_FLAG_FD_OUTPUT		(1UL << 1)
#define PERF_FLAG_PID_CGROUP		(1UL << 2) /* pid=cgroup id, per-cpu mode only */
#define PERF_FLAG_FD_CLOEXEC		(1UL << 3) /* O_CLOEXEC */

#if defined(__LITTLE_ENDIAN_BITFIELD)
union perf_mem_data_src {
	__u64 val;
	struct {
		__u64   mem_op:5,	/* type of opcode */
			mem_lvl:14,	/* memory hierarchy level */
			mem_snoop:5,	/* snoop mode */
			mem_lock:2,	/* lock instr */
			mem_dtlb:7,	/* tlb access */
			mem_lvl_num:4,	/* memory hierarchy level number */
			mem_remote:1,   /* remote */
			mem_snoopx:2,	/* snoop mode, ext */
#ifndef __GENKSYMS__
			mem_blk:3,	/* access blocked */
			mem_hops:3,	/* hop level */
			mem_rsvd:18;
#else
			mem_rsvd:24;
#endif /* __GENKSYMS__ */
	};
};
#elif defined(__BIG_ENDIAN_BITFIELD)
union perf_mem_data_src {
	__u64 val;
	struct {
#ifndef __GENKSYMS__
		__u64	mem_rsvd:18,
			mem_hops:3,	/* hop level */
			mem_blk:3,	/* access blocked */
#else
		__u64	mem_rsvd:24,
#endif /* __GENKSYMS__ */
			mem_snoopx:2,	/* snoop mode, ext */
			mem_remote:1,   /* remote */
			mem_lvl_num:4,	/* memory hierarchy level number */
			mem_dtlb:7,	/* tlb access */
			mem_lock:2,	/* lock instr */
			mem_snoop:5,	/* snoop mode */
			mem_lvl:14,	/* memory hierarchy level */
			mem_op:5;	/* type of opcode */
	};
};
#else
#error "Unknown endianness"
#endif

/* type of opcode (load/store/prefetch,code) */
#define PERF_MEM_OP_NA		0x01 /* not available */
#define PERF_MEM_OP_LOAD	0x02 /* load instruction */
#define PERF_MEM_OP_STORE	0x04 /* store instruction */
#define PERF_MEM_OP_PFETCH	0x08 /* prefetch */
#define PERF_MEM_OP_EXEC	0x10 /* code (execution) */
#define PERF_MEM_OP_SHIFT	0

/*
 * PERF_MEM_LVL_* namespace being depricated to some extent in the
 * favour of newer composite PERF_MEM_{LVLNUM_,REMOTE_,SNOOPX_} fields.
 * Supporting this namespace inorder to not break defined ABIs.
 *
 * memory hierarchy (memory level, hit or miss)
 */
#define PERF_MEM_LVL_NA		0x01  /* not available */
#define PERF_MEM_LVL_HIT	0x02  /* hit level */
#define PERF_MEM_LVL_MISS	0x04  /* miss level  */
#define PERF_MEM_LVL_L1		0x08  /* L1 */
#define PERF_MEM_LVL_LFB	0x10  /* Line Fill Buffer */
#define PERF_MEM_LVL_L2		0x20  /* L2 */
#define PERF_MEM_LVL_L3		0x40  /* L3 */
#define PERF_MEM_LVL_LOC_RAM	0x80  /* Local DRAM */
#define PERF_MEM_LVL_REM_RAM1	0x100 /* Remote DRAM (1 hop) */
#define PERF_MEM_LVL_REM_RAM2	0x200 /* Remote DRAM (2 hops) */
#define PERF_MEM_LVL_REM_CCE1	0x400 /* Remote Cache (1 hop) */
#define PERF_MEM_LVL_REM_CCE2	0x800 /* Remote Cache (2 hops) */
#define PERF_MEM_LVL_IO		0x1000 /* I/O memory */
#define PERF_MEM_LVL_UNC	0x2000 /* Uncached memory */
#define PERF_MEM_LVL_SHIFT	5

#define PERF_MEM_REMOTE_REMOTE	0x01  /* Remote */
#define PERF_MEM_REMOTE_SHIFT	37

#define PERF_MEM_LVLNUM_L1	0x01 /* L1 */
#define PERF_MEM_LVLNUM_L2	0x02 /* L2 */
#define PERF_MEM_LVLNUM_L3	0x03 /* L3 */
#define PERF_MEM_LVLNUM_L4	0x04 /* L4 */
/* 5-0x8 available */
#define PERF_MEM_LVLNUM_CXL	0x09 /* CXL */
#define PERF_MEM_LVLNUM_IO	0x0a /* I/O */
#define PERF_MEM_LVLNUM_ANY_CACHE 0x0b /* Any cache */
#define PERF_MEM_LVLNUM_LFB	0x0c /* LFB */
#define PERF_MEM_LVLNUM_RAM	0x0d /* RAM */
#define PERF_MEM_LVLNUM_PMEM	0x0e /* PMEM */
#define PERF_MEM_LVLNUM_NA	0x0f /* N/A */

#define PERF_MEM_LVLNUM_SHIFT	33

/* snoop mode */
#define PERF_MEM_SNOOP_NA	0x01 /* not available */
#define PERF_MEM_SNOOP_NONE	0x02 /* no snoop */
#define PERF_MEM_SNOOP_HIT	0x04 /* snoop hit */
#define PERF_MEM_SNOOP_MISS	0x08 /* snoop miss */
#define PERF_MEM_SNOOP_HITM	0x10 /* snoop hit modified */
#define PERF_MEM_SNOOP_SHIFT	19

#define PERF_MEM_SNOOPX_FWD	0x01 /* forward */
#define PERF_MEM_SNOOPX_PEER	0x02 /* xfer from peer */
#define PERF_MEM_SNOOPX_SHIFT  38

/* locked instruction */
#define PERF_MEM_LOCK_NA	0x01 /* not available */
#define PERF_MEM_LOCK_LOCKED	0x02 /* locked transaction */
#define PERF_MEM_LOCK_SHIFT	24

/* TLB access */
#define PERF_MEM_TLB_NA		0x01 /* not available */
#define PERF_MEM_TLB_HIT	0x02 /* hit level */
#define PERF_MEM_TLB_MISS	0x04 /* miss level */
#define PERF_MEM_TLB_L1		0x08 /* L1 */
#define PERF_MEM_TLB_L2		0x10 /* L2 */
#define PERF_MEM_TLB_WK		0x20 /* Hardware Walker*/
#define PERF_MEM_TLB_OS		0x40 /* OS fault handler */
#define PERF_MEM_TLB_SHIFT	26

/* Access blocked */
#define PERF_MEM_BLK_NA		0x01 /* not available */
#define PERF_MEM_BLK_DATA	0x02 /* data could not be forwarded */
#define PERF_MEM_BLK_ADDR	0x04 /* address conflict */
#define PERF_MEM_BLK_SHIFT	40

/* hop level */
#define PERF_MEM_HOPS_0		0x01 /* remote core, same node */
#define PERF_MEM_HOPS_1		0x02 /* remote node, same socket */
#define PERF_MEM_HOPS_2		0x03 /* remote socket, same board */
#define PERF_MEM_HOPS_3		0x04 /* remote board */
/* 5-7 available */
#define PERF_MEM_HOPS_SHIFT	43

#define PERF_MEM_S(a, s) \
	(((__u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT)

/*
 * single taken branch record layout:
 *
 *      from: source instruction (may not always be a branch insn)
 *        to: branch target
 *   mispred: branch target was mispredicted
 * predicted: branch target was predicted
 *
 * support for mispred, predicted is optional. In case it
 * is not supported mispred = predicted = 0.
 *
 *     in_tx: running in a hardware transaction
 *     abort: aborting a hardware transaction
 *    cycles: cycles from last branch (or 0 if not supported)
 *      type: branch type
 *      spec: branch speculation info (or 0 if not supported)
 */
struct perf_branch_entry {
	__u64	from;
	__u64	to;
	__u64	mispred:1,  /* target mispredicted */
		predicted:1,/* target predicted */
		in_tx:1,    /* in transaction */
		abort:1,    /* transaction abort */
		cycles:16,  /* cycle count to last branch */
		type:4,     /* branch type */
#ifndef __GENKSYMS__
		spec:2,     /* branch speculation info */
		reserved:38;
#else
		reserved:40;
#endif /* __GENKSYMS__ */
};

#ifndef __GENKSYMS__
union perf_sample_weight {
	__u64		full;
#if defined(__LITTLE_ENDIAN_BITFIELD)
	struct {
		__u32	var1_dw;
		__u16	var2_w;
		__u16	var3_w;
	};
#elif defined(__BIG_ENDIAN_BITFIELD)
	struct {
		__u16	var3_w;
		__u16	var2_w;
		__u32	var1_dw;
	};
#else
#error "Unknown endianness"
#endif
};
#endif /* __GENKSYMS__ */

#endif /* _LINUX_PERF_EVENT_H */

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