dmesg - Performance
Booting Linux on physical CPU 0x0
Linux version 4.9.35-v7+ (dc4@dc4-XPS13-9333) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611) ) #1014 SMP Fri Jun 30 14:47:43 BST 2017
CPU: ARMv7 Processor [410fd034] revision 4 (ARMv7), cr=10c5383d
CPU: div instructions available: patching division code
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
OF: fdt:Machine model: Raspberry Pi 3 Model B Rev 1.2
cma: Reserved 8 MiB at 0x3a800000
Memory policy: Data cache writealloc
On node 0 totalpages: 241664
free_area_init_node: node 0, pgdat 80c6ee40, node_mem_map b9faa000
Normal zone: 2124 pages used for memmap
Normal zone: 0 pages reserved
Normal zone: 241664 pages, LIFO batch:31
percpu: Embedded 14 pages/cpu @b9f64000 s25600 r8192 d23552 u57344
pcpu-alloc: s25600 r8192 d23552 u57344 alloc=14*4096
pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 239540
PID hash table entries: 4096 (order: 2, 16384 bytes)
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 936296K/966656K available (7168K kernel code, 484K rwdata, 2012K rodata, 1024K init, 778K bss, 22168K reserved, 8192K cma-reserved)
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xbb800000 - 0xff800000 (1088 MB)
lowmem : 0x80000000 - 0xbb000000 ( 944 MB)
modules : 0x7f000000 - 0x80000000 ( 16 MB)
.text : 0x80008000 - 0x80800000 (8160 kB)
.init : 0x80b00000 - 0x80c00000 (1024 kB)
.data : 0x80c00000 - 0x80c79014 ( 485 kB)
.bss : 0x80c7b000 - 0x80d3da64 ( 779 kB)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
Hierarchical RCU implementation.
Build-time adjustment of leaf fanout to 32.
NR_IRQS:16 nr_irqs:16 16
arm_arch_timer: Architected cp15 timer(s) running at 19.20MHz (phys).
clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
Switching to timer-based delay loop, resolution 52ns
Console: colour dummy device 80x30
console [tty1] enabled
Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
Disabling cpuset control group subsystem
CPU: Testing write buffer coherency: ok
ftrace: allocating 22390 entries in 66 pages
CPU0: update cpu_capacity 1024
CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
Setting up static identity map for 0x100000 - 0x100034
CPU1: update cpu_capacity 1024
CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
CPU2: update cpu_capacity 1024
CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
CPU3: update cpu_capacity 1024
CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
Brought up 4 CPUs
SMP: Total of 4 processors activated (153.60 BogoMIPS).
CPU: All CPU(s) started in HYP mode.
CPU: Virtualization extensions available.
devtmpfs: initialized
VFP support v0.3: implementor 41 architecture 3 part 40 variant 3 rev 4
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
futex hash table entries: 1024 (order: 4, 65536 bytes)
pinctrl core: initialized pinctrl subsystem
NET: Registered protocol family 16
DMA: preallocated 1024 KiB pool for atomic coherent allocations
hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 8 bytes.
bcm2835-mbox 3f00b880.mailbox: mailbox enabled
bcm2835-dma 3f007000.dma: DMA legacy API manager at bb80f000, dmachans=0x1
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
raspberrypi-firmware soc:firmware: Attached to firmware from 2017-07-03 14:16
clocksource: Switched to clocksource arch_sys_counter
VFS: Disk quotas dquot_6.6.0
VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
FS-Cache: Loaded
CacheFiles: Loaded
NET: Registered protocol family 2
TCP established hash table entries: 8192 (order: 3, 32768 bytes)
TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
UDP hash table entries: 512 (order: 2, 16384 bytes)
UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
hw perfevents: enabled with armv7_cortex_a7 PMU driver, 7 counters available
workingset: timestamp_bits=14 max_order=18 bucket_order=4
FS-Cache: Netfs 'nfs' registered for caching
NFS: Registering the id_resolver key type
Key type id_resolver registered
Key type id_legacy registered
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
io scheduler noop registered
io scheduler deadline registered (default)
io scheduler cfq registered
BCM2708FB: allocated DMA memory fa910000
BCM2708FB: allocated DMA channel 0 @ bb80f000
Console: switching to colour frame buffer device 82x26
bcm2835-rng 3f104000.rng: hwrng registered
vc-cma: Videocore CMA driver
vc-cma: vc_cma_base = 0x00000000
vc-cma: vc_cma_size = 0x00000000 (0 MiB)
vc-cma: vc_cma_initial = 0x00000000 (0 MiB)
vc-mem: phys_addr:0x00000000 mem_base=0x3dc00000 mem_size:0x3f000000(1008 MiB)
brd: module loaded
loop: module loaded
Loading iSCSI transport class v2.0-870.
usbcore: registered new interface driver smsc95xx
dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
Core Release: 2.80a
Setting default values for core params
Finished setting default values for core params
Using Buffer DMA mode
Periodic Transfer Interrupt Enhancement - disabled
Multiprocessor Interrupt Enhancement - disabled
OTG VER PARAM: 0, OTG VER FLAG: 0
Dedicated Tx FIFOs mode
WARN::dwc_otg_hcd_init:1032: FIQ DMA bounce buffers: virt = 0xba904000 dma = 0xfa904000 len=9024
FIQ FSM acceleration enabled for :
Non-periodic Split Transactions
Periodic Split Transactions
High-Speed Isochronous Endpoints
Interrupt/Control Split Transaction hack enabled
dwc_otg: Microframe scheduler enabled
WARN::hcd_init_fiq:459: FIQ on core 1 at 0x8058ef90
WARN::hcd_init_fiq:460: FIQ ASM at 0x8058f300 length 36
WARN::hcd_init_fiq:486: MPHI regs_base at 0xbb87a000
dwc_otg 3f980000.usb: DWC OTG Controller
dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1
dwc_otg 3f980000.usb: irq 62, io mem 0x00000000
Init: Port Power? op_state=1
Init: Power Port (0)
usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: DWC OTG Controller
usb usb1: Manufacturer: Linux 4.9.35-v7+ dwc_otg_hcd
usb usb1: SerialNumber: 3f980000.usb
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
dwc_otg: FIQ enabled
dwc_otg: NAK holdoff enabled
dwc_otg: FIQ split-transaction FSM enabled
Module dwc_common_port init
usbcore: registered new interface driver usb-storage
mousedev: PS/2 mouse device common for all mice
bcm2835-wdt 3f100000.watchdog: Broadcom BCM2835 watchdog timer
bcm2835-cpufreq: min=600000 max=1200000
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
sdhost-bcm2835 3f202000.sdhost: could not get clk, deferring probe
mmc-bcm2835 3f300000.mmc: could not get clk, deferring probe
sdhci-pltfm: SDHCI platform and OF driver helper
ledtrig-cpu: registered to indicate activity on CPUs
hidraw: raw HID events driver (C) Jiri Kosina
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
vchiq: vchiq_init_state: slot_zero = 0xba980000, is_master = 0
Initializing XFRM netlink socket
NET: Registered protocol family 17
Key type dns_resolver registered
Registering SWP/SWPB emulation handler
registered taskstats version 1
vc-sm: Videocore shared memory driver
[vc_sm_connected_init]: start
[vc_sm_connected_init]: end - returning 0
sdhost: log_buf @ ba907000 (fa907000)
mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
mmc-bcm2835 3f300000.mmc: mmc_debug:0 mmc_debug2:0
mmc-bcm2835 3f300000.mmc: DMA channel allocated
Indeed it is in host mode hprt0 = 00021501
of_cfs_init
of_cfs_init: OK
mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
random: fast init done
mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
mmc0: host does not support reading read-only switch, assuming write-enable
mmc0: new high speed SDHC card at address aaaa
mmcblk0: mmc0:aaaa SU08G 7.40 GiB
mmcblk0: p1 p2
EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
mmc1: new high speed SDIO card at address 0001
usb 1-1: new high-speed USB device number 2 using dwc_otg
Indeed it is in host mode hprt0 = 00001101
devtmpfs: mounted
Freeing unused kernel memory: 1024K (80b00000 - 80c00000)
usb 1-1: New USB device found, idVendor=0424, idProduct=9514
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
hub 1-1:1.0: USB hub found
hub 1-1:1.0: 5 ports detected
systemd[1]: systemd 215 running in system mode. (+PAM +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ -SECCOMP -APPARMOR)
systemd[1]: Detected architecture 'arm'.
NET: Registered protocol family 10
systemd[1]: Inserted module 'ipv6'
systemd[1]: Set hostname to .
systemd[1]: Initializing machine ID from random generator.
systemd[1]: Installed transient /etc/machine-id file.
usb 1-1.1: new high-speed USB device number 3 using dwc_otg
usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
smsc95xx v1.0.5
smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:46:11:67
systemd[1]: Cannot add dependency job for unit regenerate_ssh_host_keys.service, ignoring: Unit regenerate_ssh_host_keys.service failed to load: No such file or directory.
systemd[1]: Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory.
systemd[1]: Starting Forward Password Requests to Wall Directory Watch.
systemd[1]: Started Forward Password Requests to Wall Directory Watch.
systemd-udevd[145]: starting version 215
gpiomem-bcm2835 3f200000.gpiomem: Initialised: Registers at 0x3f200000
usbcore: registered new interface driver brcmfmac
brcmfmac: Firmware version = wl0: May 27 2016 00:13:38 version 7.45.41.26 (r640327) FWID 01-df77e4a7
EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
systemd-journald[141]: Received request to flush runtime journal from PID 1
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
brcmfmac: power management disabled
Adding 102396k swap on /var/swap. Priority:-1 extents:4 across:241660k SSFS
smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x4DE1
Bluetooth: Core ver 2.22
NET: Registered protocol family 31
Bluetooth: HCI device and connection manager initialized
Bluetooth: HCI socket layer initialized
Bluetooth: L2CAP socket layer initialized
Bluetooth: SCO socket layer initialized
Bluetooth: HCI UART driver ver 2.3
Bluetooth: HCI UART protocol H4 registered
Bluetooth: HCI UART protocol Three-wire (H5) registered
Bluetooth: HCI UART protocol Broadcom registered
Bluetooth: BNEP (Ethernet Emulation) ver 1.3
Bluetooth: BNEP filters: protocol multicast
Bluetooth: BNEP socket layer initialized
random: crng init done
smsc95xx 1-1.1:1.0 eth0: link down
smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x4DE1