Linux s17.hosterpk.com 6.12.0-124.55.3.el10_1.x86_64 #1 SMP PREEMPT_DYNAMIC Thu May 7 16:54:02 EDT 2026 x86_64
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2026-05-27 07:00
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drwxr-xr-x
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a.out.h
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acct.h
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acrn.h
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adb.h
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adfs_fs.h
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affs_hardblocks.h
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agpgart.h
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aio_abi.h
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amt.h
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arcfb.h
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arm_sdei.h
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aspeed-lpc-ctrl.h
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audit.h
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auto_fs.h
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auxvec.h
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batadv_packet.h
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batman_adv.h
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baycom.h
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bits.h
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blk-crypto.h
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blkdev.h
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blkpg.h
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blktrace_api.h
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blkzoned.h
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bpf.h
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bpf_common.h
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bpf_perf_event.h
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bpqether.h
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btf.h
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cachefiles.h
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can.h
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capability.h
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capi.h
3.05
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cciss_defs.h
3.2
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ccs.h
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cdrom.h
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cec-funcs.h
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cec.h
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cfm_bridge.h
1.42
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cgroupstats.h
2.06
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chio.h
5.16
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close_range.h
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cn_proc.h
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coda.h
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coff.h
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comedi.h
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connector.h
2.2
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const.h
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coresight-stm.h
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counter.h
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cryptouser.h
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cuda.h
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cxl_mem.h
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cyclades.h
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cycx_cfm.h
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dcbnl.h
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dccp.h
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devlink.h
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dlm.h
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dlm_device.h
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dlm_plock.h
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dlmconstants.h
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dm-ioctl.h
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dm-log-userspace.h
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dma-buf.h
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dma-heap.h
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dns_resolver.h
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dpll.h
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dqblk_xfs.h
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dw100.h
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edd.h
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elf-em.h
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elf.h
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errqueue.h
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20.83
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eventfd.h
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eventpoll.h
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exfat.h
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ext4.h
4.03
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f2fs.h
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fadvise.h
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falloc.h
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fanotify.h
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fb.h
15.95
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fcntl.h
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fd.h
11.83
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fdreg.h
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fib_rules.h
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fiemap.h
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filter.h
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firewire-cdev.h
49.53
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firewire-constants.h
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fou.h
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fpga-dfl.h
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fs.h
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fscrypt.h
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fsi.h
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fsl_hypervisor.h
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fsl_mc.h
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fsmap.h
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fsverity.h
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fuse.h
28.81
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futex.h
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gameport.h
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gen_stats.h
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genetlink.h
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gfs2_ondisk.h
14.43
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gpio.h
19.82
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gsmmux.h
4.4
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gtp.h
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handshake.h
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hash_info.h
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hdlc.h
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hdlcdrv.h
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hdreg.h
22.17
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hid.h
2.04
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hiddev.h
6.2
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hidraw.h
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hpet.h
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hsr_netlink.h
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hw_breakpoint.h
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hyperv.h
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i2c-dev.h
1.83
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i2c.h
6.73
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i2o-dev.h
11.28
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i8k.h
1.49
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icmp.h
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icmpv6.h
4.2
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idxd.h
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if.h
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if_addr.h
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if_addrlabel.h
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if_alg.h
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if_arp.h
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if_bonding.h
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if_eql.h
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if_link.h
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if_ltalk.h
210
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if_macsec.h
6.35
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if_packet.h
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if_phonet.h
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if_plip.h
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if_pppox.h
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if_slip.h
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if_team.h
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if_tun.h
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if_tunnel.h
5.47
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if_vlan.h
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if_x25.h
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if_xdp.h
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ife.h
351
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igmp.h
2.99
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ila.h
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in.h
10.7
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in6.h
7.4
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in_route.h
936
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inet_diag.h
4.9
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inotify.h
3.21
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input-event-codes.h
29.8
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input.h
15.86
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io_uring.h
24.65
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ioam6.h
2.33
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ioam6_genl.h
1.34
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1.39
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ioctl.h
163
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iommufd.h
48.39
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ioprio.h
4.08
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ip.h
4.73
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ip6_tunnel.h
1.91
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ip_vs.h
13.8
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ipc.h
2.05
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ipmi.h
15.08
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ipmi_bmc.h
488
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ipmi_msgdefs.h
3.35
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ipmi_ssif_bmc.h
441
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ipsec.h
947
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ipv6.h
4.22
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ipv6_route.h
1.86
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irqnr.h
104
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iso_fs.h
6.33
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isst_if.h
15.8
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ivtv.h
2.95
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ivtvfb.h
1.18
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jffs2.h
6.65
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joystick.h
3.35
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kcm.h
822
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522
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kcov.h
1.92
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kd.h
6.3
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kdev_t.h
383
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kernel-page-flags.h
917
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kernel.h
194
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kernelcapi.h
1019
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kexec.h
2.05
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keyboard.h
13.14
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keyctl.h
5.86
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kfd_ioctl.h
57.2
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kfd_sysfs.h
5.25
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kvm.h
48.37
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kvm_para.h
1001
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l2tp.h
5.61
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landlock.h
11.43
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libc-compat.h
7.12
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limits.h
937
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lirc.h
8.13
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llc.h
3.09
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loadpin.h
834
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lockd_netlink.h
655
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loop.h
3.32
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lp.h
4.09
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lsm.h
2.57
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lwtunnel.h
2.31
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magic.h
3.85
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major.h
4.55
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map_to_14segment.h
9.28
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map_to_7segment.h
6.45
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matroxfb.h
1.43
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max2175.h
1.01
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mctp.h
2.48
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mdio.h
24.29
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media-bus-format.h
7.59
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media.h
12.46
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mei.h
3.39
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mei_uuid.h
738
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membarrier.h
9.34
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memfd.h
1.43
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mempolicy.h
2.53
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mii.h
9.27
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minix_fs.h
2.07
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mman.h
1.81
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mmtimer.h
2.07
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module.h
293
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mount.h
8.12
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mpls.h
2.25
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mpls_iptunnel.h
761
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mptcp.h
3.83
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mptcp_pm.h
4.48
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mqueue.h
2.15
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mroute.h
5.78
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mroute6.h
4.89
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mrp_bridge.h
1.67
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msdos_fs.h
6.57
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msg.h
3.31
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mshv.h
8.89
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mtio.h
7.98
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nbd-netlink.h
2.35
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nbd.h
3.77
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ncsi.h
4.71
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ndctl.h
6.66
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neighbour.h
5.96
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net.h
2.04
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net_dropmon.h
2.85
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net_namespace.h
715
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net_shaper.h
2.52
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net_tstamp.h
6.39
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netconf.h
614
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netdev.h
6.05
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netdevice.h
2.2
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netfilter.h
1.69
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netfilter_arp.h
445
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netfilter_bridge.h
1.14
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netfilter_ipv4.h
1.45
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netfilter_ipv6.h
1.35
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netlink.h
12.1
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netlink_diag.h
1.49
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netrom.h
807
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nexthop.h
3.97
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nfc.h
10.97
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nfs.h
4.36
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nfs2.h
1.43
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nfs3.h
2.4
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nfs4.h
6.67
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nfs4_mount.h
1.89
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nfs_fs.h
1.62
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nfs_idmap.h
2.19
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nfs_mount.h
2.09
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nfsacl.h
718
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nfsd_netlink.h
1.95
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nilfs2_api.h
7.41
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nilfs2_ondisk.h
17.66
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nitro_enclaves.h
12.85
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nl80211-vnd-intel.h
4.49
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nl80211.h
355.42
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2026-05-19 00:00
npcm-video.h
1.19
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nsfs.h
1.64
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nsm.h
740
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ntsync.h
483
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nubus.h
8
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nvme_ioctl.h
2.43
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2026-05-19 00:00
nvram.h
532
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omap3isp.h
20.45
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omapfb.h
5.78
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oom.h
511
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openat2.h
1.42
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openvswitch.h
41.46
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packet_diag.h
1.63
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papr_pdsm.h
5.61
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param.h
141
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parport.h
3.75
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patchkey.h
892
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pci.h
1.35
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pci_regs.h
65.08
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pcitest.h
1.14
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perf_event.h
43.53
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personality.h
2.05
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pfkeyv2.h
10.39
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pfrut.h
7.82
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pg.h
2.34
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phantom.h
1.62
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phonet.h
4.57
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pidfd.h
3.09
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pkt_cls.h
19.07
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pkt_sched.h
28.79
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pktcdvd.h
2.35
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pmu.h
5.32
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poll.h
22
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posix_acl.h
1.22
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posix_acl_xattr.h
1.09
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posix_types.h
1.07
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2026-05-19 00:00
ppdev.h
3.21
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ppp-comp.h
2.47
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ppp-ioctl.h
5.59
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ppp_defs.h
5.43
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pps.h
4.62
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pr.h
1.59
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prctl.h
13.02
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psample.h
2.57
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psci.h
5.21
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psp-dbc.h
5.16
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psp-sev.h
7.97
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psp-sfs.h
2.88
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ptp_clock.h
8.1
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ptrace.h
5.37
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2026-05-19 00:00
qemu_fw_cfg.h
2.41
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qnx4_fs.h
2.27
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2026-05-19 00:00
qnxtypes.h
624
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qrtr.h
893
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quota.h
6.16
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radeonfb.h
360
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random.h
1.85
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rds.h
10.91
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reboot.h
1.31
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2026-05-19 00:00
remoteproc_cdev.h
1.08
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resource.h
2.53
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rfkill.h
6.45
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2026-05-19 00:00
rio_cm_cdev.h
3.17
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rio_mport_cdev.h
9.11
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2026-05-19 00:00
rkisp1-config.h
57
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romfs_fs.h
1.21
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rose.h
2.18
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route.h
2.28
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rpl.h
854
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rpl_iptunnel.h
424
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rpmsg.h
1.29
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rpmsg_types.h
288
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rseq.h
5.32
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rtc.h
5.19
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rtnetlink.h
21.28
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rxrpc.h
7.54
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scc.h
4.52
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sched.h
6.14
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scif_ioctl.h
6.23
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screen_info.h
2.42
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sctp.h
35.17
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seccomp.h
5.85
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securebits.h
2.64
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sed-opal.h
5.29
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seg6.h
1.14
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seg6_genl.h
589
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seg6_hmac.h
423
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seg6_iptunnel.h
983
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seg6_local.h
3.78
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selinux_netlink.h
1.17
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sem.h
2.98
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serial.h
5.12
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serial_core.h
4.93
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serial_reg.h
15.65
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serio.h
2.09
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sev-guest.h
2.47
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shm.h
3.71
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signal.h
388
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signalfd.h
1.2
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smc.h
8.69
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smc_diag.h
2.88
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smiapp.h
1.03
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snmp.h
14.65
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sock_diag.h
1.27
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socket.h
1.02
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sockios.h
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Save
Rename
/* 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, 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, 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 */ }; #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_PRIV_SAVE_SHIFT = 18, /* save privilege mode */ PERF_SAMPLE_BRANCH_COUNTERS_SHIFT = 19, /* save occurrences of events on a branch */ 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_PRIV_SAVE = 1U << PERF_SAMPLE_BRANCH_PRIV_SAVE_SHIFT, PERF_SAMPLE_BRANCH_COUNTERS = 1U << PERF_SAMPLE_BRANCH_COUNTERS_SHIFT, PERF_SAMPLE_BRANCH_MAX = 1U << PERF_SAMPLE_BRANCH_MAX_SHIFT, }; /* * Common control flow change classifications: */ 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_SERROR = 13, /* System error */ PERF_BR_NO_TX = 14, /* Not in transaction */ PERF_BR_EXTEND_ABI = 15, /* Extend ABI */ PERF_BR_MAX, }; /* * Common branch speculation outcome classifications: */ 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, }; enum { PERF_BR_NEW_FAULT_ALGN = 0, /* Alignment fault */ PERF_BR_NEW_FAULT_DATA = 1, /* Data fault */ PERF_BR_NEW_FAULT_INST = 2, /* Inst fault */ PERF_BR_NEW_ARCH_1 = 3, /* Architecture specific */ PERF_BR_NEW_ARCH_2 = 4, /* Architecture specific */ PERF_BR_NEW_ARCH_3 = 5, /* Architecture specific */ PERF_BR_NEW_ARCH_4 = 6, /* Architecture specific */ PERF_BR_NEW_ARCH_5 = 7, /* Architecture specific */ PERF_BR_NEW_MAX, }; enum { PERF_BR_PRIV_UNKNOWN = 0, PERF_BR_PRIV_USER = 1, PERF_BR_PRIV_KERNEL = 2, PERF_BR_PRIV_HV = 3, }; #define PERF_BR_ARM64_FIQ PERF_BR_NEW_ARCH_1 #define PERF_BR_ARM64_DEBUG_HALT PERF_BR_NEW_ARCH_2 #define PERF_BR_ARM64_DEBUG_EXIT PERF_BR_NEW_ARCH_3 #define PERF_BR_ARM64_DEBUG_INST PERF_BR_NEW_ARCH_4 #define PERF_BR_ARM64_DEBUG_DATA PERF_BR_NEW_ARCH_5 #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 is 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 * { u64 lost; } && PERF_FORMAT_LOST * } && !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 * { u64 lost; } && PERF_FORMAT_LOST * } 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_LOST = 1U << 4, PERF_FORMAT_MAX = 1U << 5, /* non-ABI */ }; #define PERF_ATTR_SIZE_VER0 64 /* Size of first published 'struct perf_event_attr' */ #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 */ #define PERF_ATTR_SIZE_VER7 128 /* Add: sig_data */ #define PERF_ATTR_SIZE_VER8 136 /* Add: config3 */ /* * 'struct perf_event_attr' contains various attributes that define * a performance event - most of them hardware related configuration * details, but also a lot of behavioral switches and values implemented * by the kernel. */ struct perf_event_attr { /* * Major type: hardware/software/tracepoint/etc. */ __u32 type; /* * Size of the attr structure, for forward/backwards compatibility. */ __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 */ 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 */ sigtrap : 1, /* send synchronous SIGTRAP on event */ __reserved_1 : 26; union { __u32 wakeup_events; /* wake up 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; /* * Max number of frame pointers in a callchain, should be * lower than /proc/sys/kernel/perf_event_max_stack. * * Max number of entries of branch stack should be lower * than the hardware limit. */ __u16 sample_max_stack; __u16 __reserved_2; __u32 aux_sample_size; union { __u32 aux_action; struct { __u32 aux_start_paused : 1, /* start AUX area tracing paused */ aux_pause : 1, /* on overflow, pause AUX area tracing */ aux_resume : 1, /* on overflow, resume AUX area tracing */ __reserved_3 : 29; }; }; /* * User provided data if sigtrap=1, passed back to user via * siginfo_t::si_perf_data, e.g. to permit user to identify the event. * Note, siginfo_t::si_perf_data is long-sized, and sig_data will be * truncated accordingly on 32 bit architectures. */ __u64 sig_data; __u64 config3; /* extension of config2 */ }; /* * 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[]; }; /* * 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 user-space to reflect the last read data, after issuing * 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 user-space, 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 user-space 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]; * # * # The format of the counters is decided by the * # "branch_counter_nr" and "branch_counter_width", * # which are defined in the ABI. * # * { u64 counters; } cntr[nr] && PERF_SAMPLE_BRANCH_COUNTERS * } && 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 cgroup;} && PERF_SAMPLE_CGROUP * { u64 data_page_size;} && PERF_SAMPLE_DATA_PAGE_SIZE * { u64 code_page_size;} && PERF_SAMPLE_CODE_PAGE_SIZE * { u64 size; * char data[size]; } && PERF_SAMPLE_AUX * }; */ 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, /* * 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, /* * Data written to the AUX area by hardware due to aux_output, may need * to be matched to the event by an architecture-specific hardware ID. * This records the hardware ID, but requires sample_id to provide the * event ID. e.g. Intel PT uses this record to disambiguate PEBS-via-PT * records from multiple events. * * struct { * struct perf_event_header header; * u64 hw_id; * struct sample_id sample_id; * }; */ PERF_RECORD_AUX_OUTPUT_HW_ID = 21, PERF_RECORD_MAX, /* non-ABI */ }; enum perf_record_ksymbol_type { PERF_RECORD_KSYMBOL_TYPE_UNKNOWN = 0, PERF_RECORD_KSYMBOL_TYPE_BPF = 1, /* * Out of line code such as kprobe-replaced instructions or optimized * kprobes or ftrace trampolines. */ PERF_RECORD_KSYMBOL_TYPE_OOL = 2, 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 0x0001 /* Record was truncated to fit */ #define PERF_AUX_FLAG_OVERWRITE 0x0002 /* Snapshot from overwrite mode */ #define PERF_AUX_FLAG_PARTIAL 0x0004 /* Record contains gaps */ #define PERF_AUX_FLAG_COLLISION 0x0008 /* Sample collided with another */ #define PERF_AUX_FLAG_PMU_FORMAT_TYPE_MASK 0xff00 /* PMU specific trace format type */ /* CoreSight PMU AUX buffer formats */ #define PERF_AUX_FLAG_CORESIGHT_FORMAT_CORESIGHT 0x0000 /* Default for backward compatibility */ #define PERF_AUX_FLAG_CORESIGHT_FORMAT_RAW 0x0100 /* Raw format of the source */ #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 */ mem_blk : 3, /* Access blocked */ mem_hops : 3, /* Hop level */ mem_rsvd : 18; }; }; #elif defined(__BIG_ENDIAN_BITFIELD) union perf_mem_data_src { __u64 val; struct { __u64 mem_rsvd : 18, mem_hops : 3, /* Hop level */ mem_blk : 3, /* Access blocked */ 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 memory opcode: */ #define PERF_MEM_OP_NA 0x0001 /* Not available */ #define PERF_MEM_OP_LOAD 0x0002 /* Load instruction */ #define PERF_MEM_OP_STORE 0x0004 /* Store instruction */ #define PERF_MEM_OP_PFETCH 0x0008 /* Prefetch */ #define PERF_MEM_OP_EXEC 0x0010 /* Code (execution) */ #define PERF_MEM_OP_SHIFT 0 /* * The PERF_MEM_LVL_* namespace is being deprecated to some extent in * favour of newer composite PERF_MEM_{LVLNUM_,REMOTE_,SNOOPX_} fields. * We support this namespace in order to not break defined ABIs. * * Memory hierarchy (memory level, hit or miss) */ #define PERF_MEM_LVL_NA 0x0001 /* Not available */ #define PERF_MEM_LVL_HIT 0x0002 /* Hit level */ #define PERF_MEM_LVL_MISS 0x0004 /* Miss level */ #define PERF_MEM_LVL_L1 0x0008 /* L1 */ #define PERF_MEM_LVL_LFB 0x0010 /* Line Fill Buffer */ #define PERF_MEM_LVL_L2 0x0020 /* L2 */ #define PERF_MEM_LVL_L3 0x0040 /* L3 */ #define PERF_MEM_LVL_LOC_RAM 0x0080 /* Local DRAM */ #define PERF_MEM_LVL_REM_RAM1 0x0100 /* Remote DRAM (1 hop) */ #define PERF_MEM_LVL_REM_RAM2 0x0200 /* Remote DRAM (2 hops) */ #define PERF_MEM_LVL_REM_CCE1 0x0400 /* Remote Cache (1 hop) */ #define PERF_MEM_LVL_REM_CCE2 0x0800 /* 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 0x0001 /* Remote */ #define PERF_MEM_REMOTE_SHIFT 37 #define PERF_MEM_LVLNUM_L1 0x0001 /* L1 */ #define PERF_MEM_LVLNUM_L2 0x0002 /* L2 */ #define PERF_MEM_LVLNUM_L3 0x0003 /* L3 */ #define PERF_MEM_LVLNUM_L4 0x0004 /* L4 */ #define PERF_MEM_LVLNUM_L2_MHB 0x0005 /* L2 Miss Handling Buffer */ #define PERF_MEM_LVLNUM_MSC 0x0006 /* Memory-side Cache */ /* 0x007 available */ #define PERF_MEM_LVLNUM_UNC 0x0008 /* Uncached */ #define PERF_MEM_LVLNUM_CXL 0x0009 /* CXL */ #define PERF_MEM_LVLNUM_IO 0x000a /* I/O */ #define PERF_MEM_LVLNUM_ANY_CACHE 0x000b /* Any cache */ #define PERF_MEM_LVLNUM_LFB 0x000c /* LFB / L1 Miss Handling Buffer */ #define PERF_MEM_LVLNUM_RAM 0x000d /* RAM */ #define PERF_MEM_LVLNUM_PMEM 0x000e /* PMEM */ #define PERF_MEM_LVLNUM_NA 0x000f /* N/A */ #define PERF_MEM_LVLNUM_SHIFT 33 /* Snoop mode */ #define PERF_MEM_SNOOP_NA 0x0001 /* Not available */ #define PERF_MEM_SNOOP_NONE 0x0002 /* No snoop */ #define PERF_MEM_SNOOP_HIT 0x0004 /* Snoop hit */ #define PERF_MEM_SNOOP_MISS 0x0008 /* Snoop miss */ #define PERF_MEM_SNOOP_HITM 0x0010 /* Snoop hit modified */ #define PERF_MEM_SNOOP_SHIFT 19 #define PERF_MEM_SNOOPX_FWD 0x0001 /* Forward */ #define PERF_MEM_SNOOPX_PEER 0x0002 /* Transfer from peer */ #define PERF_MEM_SNOOPX_SHIFT 38 /* Locked instruction */ #define PERF_MEM_LOCK_NA 0x0001 /* Not available */ #define PERF_MEM_LOCK_LOCKED 0x0002 /* Locked transaction */ #define PERF_MEM_LOCK_SHIFT 24 /* TLB access */ #define PERF_MEM_TLB_NA 0x0001 /* Not available */ #define PERF_MEM_TLB_HIT 0x0002 /* Hit level */ #define PERF_MEM_TLB_MISS 0x0004 /* Miss level */ #define PERF_MEM_TLB_L1 0x0008 /* L1 */ #define PERF_MEM_TLB_L2 0x0010 /* L2 */ #define PERF_MEM_TLB_WK 0x0020 /* Hardware Walker*/ #define PERF_MEM_TLB_OS 0x0040 /* OS fault handler */ #define PERF_MEM_TLB_SHIFT 26 /* Access blocked */ #define PERF_MEM_BLK_NA 0x0001 /* Not available */ #define PERF_MEM_BLK_DATA 0x0002 /* Data could not be forwarded */ #define PERF_MEM_BLK_ADDR 0x0004 /* Address conflict */ #define PERF_MEM_BLK_SHIFT 40 /* Hop level */ #define PERF_MEM_HOPS_0 0x0001 /* Remote core, same node */ #define PERF_MEM_HOPS_1 0x0002 /* Remote node, same socket */ #define PERF_MEM_HOPS_2 0x0003 /* Remote socket, same board */ #define PERF_MEM_HOPS_3 0x0004 /* 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) /* * Layout of single taken branch records: * * 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 */ spec : 2, /* branch speculation info */ new_type : 4, /* additional branch type */ priv : 3, /* privilege level */ reserved : 31; }; /* Size of used info bits in struct perf_branch_entry */ #define PERF_BRANCH_ENTRY_INFO_BITS_MAX 33 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 /* _LINUX_PERF_EVENT_H */