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📄 a.out.h(7.15 KB)
📄 acct.h(3.58 KB)
📄 adb.h(1.05 KB)
📄 adfs_fs.h(873 B)
📄 affs_hardblocks.h(1.45 KB)
📄 agpgart.h(3.83 KB)
📄 aio_abi.h(3.1 KB)
📄 apm_bios.h(3.46 KB)
📄 arcfb.h(150 B)
📄 atalk.h(960 B)
📄 atm.h(7.64 KB)
📄 atm_eni.h(585 B)
📄 atm_he.h(343 B)
📄 atm_idt77105.h(892 B)
📄 atm_nicstar.h(1.19 KB)
📄 atm_tcp.h(1.52 KB)
📄 atm_zatm.h(1.57 KB)
📄 atmapi.h(889 B)
📄 atmarp.h(1.2 KB)
📄 atmbr2684.h(3.13 KB)
📄 atmclip.h(513 B)
📄 atmdev.h(7.44 KB)
📄 atmioc.h(1.55 KB)
📄 atmlec.h(2.26 KB)
📄 atmmpc.h(4.07 KB)
📄 atmppp.h(576 B)
📄 atmsap.h(4.79 KB)
📄 atmsvc.h(1.75 KB)
📄 audit.h(18.03 KB)
📄 auto_fs.h(2.53 KB)
📄 auto_fs4.h(4.3 KB)
📄 auxvec.h(1.4 KB)
📄 ax25.h(2.7 KB)
📄 b1lli.h(1.62 KB)
📄 baycom.h(820 B)
📄 bfs_fs.h(1.79 KB)
📄 binfmts.h(565 B)
📄 blkpg.h(1.53 KB)
📄 blktrace_api.h(4.38 KB)
📄 bpf.h(22.04 KB)
📄 bpf_common.h(1.2 KB)
📄 bpf_perf_event.h(453 B)
📄 bpqether.h(952 B)
📄 bsg.h(2.37 KB)
📄 bt-bmc.h(508 B)
📄 btrfs.h(25.07 KB)
📁 byteorder
📁 caif
📁 can
📄 can.h(5.46 KB)
📄 capability.h(11.25 KB)
📄 capi.h(2.99 KB)
📄 cciss_defs.h(3.14 KB)
📄 cciss_ioctl.h(2.63 KB)
📄 cdrom.h(28.12 KB)
📄 cgroupstats.h(2.1 KB)
📄 chio.h(5.16 KB)
📄 cm4000_cs.h(1.68 KB)
📄 cn_proc.h(3.19 KB)
📄 coda.h(17.09 KB)
📄 coda_psdev.h(720 B)
📄 coff.h(12.12 KB)
📄 connector.h(2.14 KB)
📄 const.h(673 B)
📄 cramfs_fs.h(2.68 KB)
📄 cuda.h(842 B)
📄 cyclades.h(16.65 KB)
📄 cycx_cfm.h(2.86 KB)
📄 dcbnl.h(24.5 KB)
📄 dccp.h(6.22 KB)
📄 devlink.h(9.66 KB)
📄 dlm.h(2.43 KB)
📄 dlm_device.h(2.42 KB)
📄 dlm_netlink.h(1.04 KB)
📄 dlm_plock.h(831 B)
📄 dlmconstants.h(4.9 KB)
📄 dm-ioctl.h(10.55 KB)
📄 dm-log-userspace.h(14.82 KB)
📄 dn.h(4.42 KB)
📄 dqblk_xfs.h(8.72 KB)
📁 dvb
📄 edd.h(5.41 KB)
📄 efs_fs_sb.h(2.11 KB)
📄 elf-em.h(1.83 KB)
📄 elf-fdpic.h(1.04 KB)
📄 elf.h(12.69 KB)
📄 elfcore.h(2.86 KB)
📄 errno.h(23 B)
📄 errqueue.h(1.1 KB)
📄 ethtool.h(71.11 KB)
📄 eventpoll.h(1.76 KB)
📄 fadvise.h(779 B)
📄 falloc.h(2.72 KB)
📄 fanotify.h(3.52 KB)
📄 fb.h(16 KB)
📄 fcntl.h(2.16 KB)
📄 fd.h(11.31 KB)
📄 fdreg.h(5.23 KB)
📄 fib_rules.h(1.58 KB)
📄 fiemap.h(2.65 KB)
📄 filter.h(1.99 KB)
📄 firewire-cdev.h(42.86 KB)
📄 firewire-constants.h(3.16 KB)
📄 flat.h(2.04 KB)
📄 fou.h(617 B)
📄 fs.h(8.47 KB)
📄 fsl_hypervisor.h(7.05 KB)
📄 fuse.h(16.41 KB)
📄 futex.h(4.81 KB)
📄 gameport.h(834 B)
📄 gen_stats.h(1.5 KB)
📄 genetlink.h(1.82 KB)
📄 gfs2_ondisk.h(12 KB)
📄 gigaset_dev.h(1.35 KB)
📁 hdlc
📄 hdlc.h(574 B)
📄 hdlcdrv.h(2.78 KB)
📄 hdreg.h(22.11 KB)
📄 hid.h(1.79 KB)
📄 hiddev.h(6.13 KB)
📄 hidraw.h(1.41 KB)
📄 hpet.h(680 B)
📁 hsi
📄 hw_breakpoint.h(679 B)
📄 hyperv.h(10.22 KB)
📄 hysdn_if.h(1.29 KB)
📄 i2c-dev.h(2.37 KB)
📄 i2c.h(6.66 KB)
📄 i2o-dev.h(11.22 KB)
📄 i8k.h(1.4 KB)
📄 icmp.h(2.82 KB)
📄 icmpv6.h(3.82 KB)
📄 if.h(9.26 KB)
📄 if_addr.h(1.7 KB)
📄 if_addrlabel.h(658 B)
📄 if_alg.h(816 B)
📄 if_arcnet.h(3.63 KB)
📄 if_arp.h(6.3 KB)
📄 if_bonding.h(4.66 KB)
📄 if_bridge.h(6.46 KB)
📄 if_cablemodem.h(922 B)
📄 if_eql.h(1.26 KB)
📄 if_ether.h(7.25 KB)
📄 if_fc.h(1.63 KB)
📄 if_fddi.h(3.6 KB)
📄 if_frad.h(2.89 KB)
📄 if_hippi.h(4.07 KB)
📄 if_infiniband.h(1.13 KB)
📄 if_link.h(19.58 KB)
📄 if_ltalk.h(147 B)
📄 if_macsec.h(5.42 KB)
📄 if_packet.h(7.15 KB)
📄 if_phonet.h(361 B)
📄 if_plip.h(596 B)
📄 if_ppp.h(29 B)
📄 if_pppol2tp.h(3.18 KB)
📄 if_pppox.h(4.64 KB)
📄 if_slip.h(809 B)
📄 if_team.h(2.48 KB)
📄 if_tun.h(3.71 KB)
📄 if_tunnel.h(3.03 KB)
📄 if_vlan.h(1.69 KB)
📄 if_x25.h(817 B)
📄 ife.h(288 B)
📄 igmp.h(2.88 KB)
📁 iio
📄 in.h(9.36 KB)
📄 in6.h(6.97 KB)
📄 in_route.h(873 B)
📄 inet_diag.h(2.77 KB)
📄 inotify.h(2.85 KB)
📄 input.h(32.52 KB)
📄 ioctl.h(100 B)
📄 ip.h(3.47 KB)
📄 ip6_tunnel.h(1.67 KB)
📄 ip_vs.h(12.77 KB)
📄 ipc.h(1.99 KB)
📄 ipmi.h(14.63 KB)
📄 ipmi_msgdefs.h(3.21 KB)
📄 ipsec.h(884 B)
📄 ipv6.h(3.66 KB)
📄 ipv6_route.h(1.73 KB)
📄 ipx.h(1.79 KB)
📄 irda.h(7.31 KB)
📄 irqnr.h(104 B)
📁 isdn
📄 isdn.h(5.58 KB)
📄 isdn_divertif.h(1.11 KB)
📄 isdn_ppp.h(1.82 KB)
📄 isdnif.h(2.25 KB)
📄 iso_fs.h(6.29 KB)
📄 ivtv.h(2.89 KB)
📄 ivtvfb.h(1.12 KB)
📄 ixjuser.h(24.53 KB)
📄 jffs2.h(6.85 KB)
📄 joystick.h(3.5 KB)
📄 kd.h(6.04 KB)
📄 kdev_t.h(320 B)
📄 kernel-page-flags.h(788 B)
📄 kernel.h(375 B)
📄 kernelcapi.h(956 B)
📄 kexec.h(1.92 KB)
📄 keyboard.h(12.42 KB)
📄 keyctl.h(2.98 KB)
📄 kvm.h(33.89 KB)
📄 kvm_para.h(819 B)
📄 l2tp.h(4.98 KB)
📄 libc-compat.h(4.03 KB)
📄 limits.h(874 B)
📄 llc.h(2.98 KB)
📄 loop.h(2.31 KB)
📄 lp.h(3.72 KB)
📄 lwtunnel.h(839 B)
📄 magic.h(2.9 KB)
📄 major.h(4.48 KB)
📄 map_to_7segment.h(7.02 KB)
📄 matroxfb.h(1.37 KB)
📄 mdio.h(13.74 KB)
📄 media.h(3.5 KB)
📄 mei.h(4.62 KB)
📄 membarrier.h(7.71 KB)
📄 memfd.h(186 B)
📄 mempolicy.h(2.35 KB)
📄 meye.h(2.41 KB)
📄 mii.h(7.76 KB)
📄 minix_fs.h(2.01 KB)
📄 mman.h(230 B)
📁 mmc
📄 mmtimer.h(2.01 KB)
📄 mpls.h(1.33 KB)
📄 mqueue.h(2.01 KB)
📄 mroute.h(4.06 KB)
📄 mroute6.h(4.08 KB)
📄 msdos_fs.h(6.28 KB)
📄 msg.h(3.21 KB)
📄 mtio.h(7.92 KB)
📄 n_r3964.h(2.29 KB)
📄 nbd.h(2.34 KB)
📄 ncp.h(4.94 KB)
📄 ncp_fs.h(3.27 KB)
📄 ncp_mount.h(2.06 KB)
📄 ncp_no.h(651 B)
📄 ndctl.h(6.6 KB)
📄 neighbour.h(4.17 KB)
📄 net.h(1.97 KB)
📄 net_dropmon.h(1.07 KB)
📄 net_namespace.h(609 B)
📄 net_tstamp.h(4.06 KB)
📄 netconf.h(423 B)
📄 netdevice.h(1.46 KB)
📁 netfilter
📄 netfilter.h(1.6 KB)
📁 netfilter_arp
📄 netfilter_arp.h(380 B)
📁 netfilter_bridge
📄 netfilter_bridge.h(768 B)
📄 netfilter_decnet.h(1.83 KB)
📁 netfilter_ipv4
📄 netfilter_ipv4.h(2.02 KB)
📁 netfilter_ipv6
📄 netfilter_ipv6.h(2.04 KB)
📄 netlink.h(6.13 KB)
📄 netlink_diag.h(1005 B)
📄 netrom.h(744 B)
📄 nfc.h(7.72 KB)
📄 nfs.h(4.31 KB)
📄 nfs2.h(1.37 KB)
📄 nfs3.h(2.24 KB)
📄 nfs4.h(5.95 KB)
📄 nfs4_mount.h(1.83 KB)
📄 nfs_fs.h(1.51 KB)
📄 nfs_idmap.h(2.19 KB)
📄 nfs_mount.h(2.32 KB)
📄 nfsacl.h(605 B)
📁 nfsd
📄 nl80211.h(270.89 KB)
📄 nubus.h(8.17 KB)
📄 nvme_ioctl.h(1.55 KB)
📄 nvram.h(469 B)
📄 omap3isp.h(20.19 KB)
📄 omapfb.h(5.72 KB)
📄 oom.h(448 B)
📄 openvswitch.h(31.79 KB)
📄 packet_diag.h(1.5 KB)
📄 param.h(78 B)
📄 parport.h(3.56 KB)
📄 patchkey.h(829 B)
📄 pci.h(1.29 KB)
📄 pci_regs.h(50.79 KB)
📄 perf_event.h(31.96 KB)
📄 personality.h(1.99 KB)
📄 pfkeyv2.h(9.91 KB)
📄 pg.h(2.23 KB)
📄 phantom.h(1.55 KB)
📄 phonet.h(4.51 KB)
📄 pkt_cls.h(12.49 KB)
📄 pkt_sched.h(20.63 KB)
📄 pktcdvd.h(2.56 KB)
📄 pmu.h(5.13 KB)
📄 poll.h(22 B)
📄 posix_types.h(1.01 KB)
📄 ppdev.h(3.07 KB)
📄 ppp-comp.h(2.41 KB)
📄 ppp-ioctl.h(5.29 KB)
📄 ppp_defs.h(4.93 KB)
📄 pps.h(4.06 KB)
📄 prctl.h(6.75 KB)
📄 psample.h(735 B)
📄 ptp_clock.h(5.09 KB)
📄 ptrace.h(3.08 KB)
📄 qnx4_fs.h(2.21 KB)
📄 qnxtypes.h(561 B)
📄 quota.h(5.78 KB)
📄 radeonfb.h(297 B)
📁 raid
📄 random.h(1.2 KB)
📄 raw.h(302 B)
📄 rds.h(7.9 KB)
📄 reboot.h(1.25 KB)
📄 reiserfs_fs.h(712 B)
📄 reiserfs_xattr.h(470 B)
📄 resource.h(2.09 KB)
📄 rfkill.h(3.5 KB)
📄 romfs_fs.h(1.15 KB)
📄 rose.h(2.12 KB)
📄 route.h(2.21 KB)
📄 rtc.h(3.85 KB)
📄 rtnetlink.h(17.02 KB)
📄 scc.h(4.43 KB)
📄 sched.h(2.26 KB)
📄 screen_info.h(2.36 KB)
📄 sctp.h(29.53 KB)
📄 sdla.h(2.71 KB)
📄 seccomp.h(1.83 KB)
📄 securebits.h(2.58 KB)
📄 selinux_netlink.h(1.11 KB)
📄 sem.h(2.54 KB)
📄 serial.h(3.04 KB)
📄 serial_core.h(5.11 KB)
📄 serial_reg.h(15.66 KB)
📄 serio.h(1.81 KB)
📄 shm.h(2.19 KB)
📄 signal.h(171 B)
📄 signalfd.h(1.07 KB)
📄 snmp.h(12.42 KB)
📄 sock_diag.h(431 B)
📄 socket.h(738 B)
📄 sockios.h(5.83 KB)
📄 som.h(5.35 KB)
📄 sonet.h(2.17 KB)
📄 sonypi.h(5.12 KB)
📄 sound.h(1.15 KB)
📄 soundcard.h(44.96 KB)
📁 spi
📄 stat.h(1 KB)
📄 stddef.h(1 B)
📄 string.h(175 B)
📁 sunrpc
📄 suspend_ioctls.h(1.34 KB)
📄 swab.h(6.36 KB)
📄 synclink.h(8.71 KB)
📄 sysctl.h(25.46 KB)
📄 sysinfo.h(986 B)
📄 target_core_user.h(3.65 KB)
📄 taskstats.h(6.83 KB)
📁 tc_act
📁 tc_ematch
📄 tcp.h(5.93 KB)
📄 tcp_metrics.h(1.45 KB)
📄 telephony.h(8.84 KB)
📄 termios.h(443 B)
📄 time.h(1.54 KB)
📄 times.h(215 B)
📄 timex.h(6.17 KB)
📄 tiocl.h(1.63 KB)
📄 tipc.h(5.44 KB)
📄 tipc_config.h(14.1 KB)
📄 toshiba.h(1.24 KB)
📄 tty.h(1.33 KB)
📄 tty_flags.h(3.66 KB)
📄 types.h(1.4 KB)
📄 udf_fs_i.h(634 B)
📄 udp.h(1.28 KB)
📄 uhid.h(2.15 KB)
📄 uinput.h(5 KB)
📄 uio.h(668 B)
📄 ultrasound.h(4.39 KB)
📄 un.h(239 B)
📄 unistd.h(157 B)
📄 unix_diag.h(1.1 KB)
📁 usb
📄 usbdevice_fs.h(6.78 KB)
📄 userfaultfd.h(6.59 KB)
📄 utime.h(152 B)
📄 utsname.h(606 B)
📄 uuid.h(1.5 KB)
📄 uvcvideo.h(1.6 KB)
📄 v4l2-common.h(2.38 KB)
📄 v4l2-controls.h(37.34 KB)
📄 v4l2-dv-timings.h(25.75 KB)
📄 v4l2-mediabus.h(4.55 KB)
📄 v4l2-subdev.h(5.27 KB)
📄 version.h(332 B)
📄 veth.h(161 B)
📄 vfio.h(26.54 KB)
📄 vhost.h(7.13 KB)
📄 videodev2.h(67.36 KB)
📄 virtio_9p.h(1.99 KB)
📄 virtio_balloon.h(3.71 KB)
📄 virtio_blk.h(5.2 KB)
📄 virtio_config.h(3.34 KB)
📄 virtio_console.h(2.94 KB)
📄 virtio_gpu.h(8.23 KB)
📄 virtio_ids.h(2.32 KB)
📄 virtio_input.h(2.45 KB)
📄 virtio_net.h(9.5 KB)
📄 virtio_pci.h(6.63 KB)
📄 virtio_ring.h(6.18 KB)
📄 virtio_rng.h(265 B)
📄 virtio_scsi.h(5.13 KB)
📄 virtio_types.h(2.11 KB)
📄 virtio_vsock.h(3.01 KB)
📄 vm_sockets.h(5.13 KB)
📄 vsockmon.h(1.78 KB)
📄 vt.h(2.98 KB)
📄 vtpm_proxy.h(1.62 KB)
📄 wait.h(600 B)
📄 wanrouter.h(390 B)
📄 watchdog.h(2.22 KB)
📁 wimax
📄 wimax.h(8.17 KB)
📄 wireless.h(41.65 KB)
📄 wmi.h(1.84 KB)
📄 x25.h(3.42 KB)
📄 xattr.h(2.53 KB)
📄 xfrm.h(11 KB)

Editing: perf_event.h

/*
 * 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 */
};

/*
 * 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_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_MAX = 1U << 20,		/* non-ABI */

__PERF_SAMPLE_CALLCHAIN_EARLY		= 1ULL << 63,
};

/*
 * 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_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_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_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 */

/*
 * Hardware event_id to monitor via a performance monitoring event:
 */
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     */

#ifdef __GENKSYMS__
				__reserved_1   : 40;
#else
				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 */
				__reserved_1   : 36;
#endif

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

__u32			bp_type;
	union {
		__u64		bp_addr;
#ifndef __GENKSYMS__
		__u64		kprobe_func; /* for perf_kprobe */
		__u64		uprobe_path; /* for perf_uprobe */
#endif
		__u64		config1; /* extension of config */
	};
	union {
		__u64		bp_len;
#ifndef __GENKSYMS__
		__u64		kprobe_addr; /* when kprobe_func == NULL */
		__u64		probe_offset; /* for perf_[k,u]probe */
#endif
		__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;

#ifdef __GENKSYMS__
	/* Align to u64. */
	__u32	__reserved_2;
#else
	__s32	clockid;
#endif

/*
	 * 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.
	 */
#ifndef __GENKSYMS__
	__u64	sample_regs_intr;

/*
	 * Wakeup watermark for AUX area
	 */
	__u32	aux_watermark;
	__u32	__reserved_3;	/* align to __u64 */
#endif
};

/*
 * 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];
};

#define perf_flags(attr)	(*(&(attr)->read_format + 1))

/*
 * 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 *)

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_* fields are used */
				cap_user_time_zero	: 1, /* The time_zero field is used */
				cap_____res		: 59;
		};
	};

/*
	 * 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. */

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

__u8	__reserved[118*8+4];	/* 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;
};

#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_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.
 */
#define PERF_RECORD_MISC_EXACT_IP		(1 << 14)
#define PERF_RECORD_MISC_SWITCH_OUT_PREEMPT	(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;
};

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 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
	 *
	 *	{ u64			weight;   } && PERF_SAMPLE_WEIGHT
	 *	{ 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
	 * };
	 */
	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;
	 *	u32				maj;
	 *	u32				min;
	 *	u64				ino;
	 *	u64				ino_generation;
	 *	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,

PERF_RECORD_MAX,			/* non-ABI */
};

#define PERF_MAX_STACK_DEPTH		127

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 */

#ifdef __GENKSYMS__
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_rsvd:31;
	};
};
#else
#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 */
			mem_rsvd:24;
	};
};
#elif defined(__BIG_ENDIAN_BITFIELD)
union perf_mem_data_src {
	__u64 val;
	struct {
		__u64	mem_rsvd:24,
			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
#endif /* __GENKSYMS__ */

/* 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

/* 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 */
/* 5-0xa available */
#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 */
/* 1 free */
#define PERF_MEM_SNOOPX_SHIFT	37

/* 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

#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
 */
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 */
#ifndef __GENKSYMS__
		cycles:16,  /* cycle count to last branch */
		type:4,     /* branch type */
		reserved:40;
#else
		reserved:60;
#endif
};

#endif /* _LINUX_PERF_EVENT_H */

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