Daniel Walker wrote:
> On Thu, 2008-01-17 at 11:13 +0100, Wolfgang Grandegger wrote:
>> Steven Rostedt wrote:
>>> We are pleased to announce the 2.6.24-rc8-rt1 tree, which can be
>>> downloaded from the location:
>>>
>>> http://rt.et.redhat.com/download/
>> It builds and runs fine on my Icecube-MPC5200 board, now also with the
>> latency tracer enabled. That's great. Still, "cyclictest -n -p80 -i1000"
>> reports latencies up to 400 us and therefore I tried to trigger and save
>> a high latency trace using:
>
> Do you happen to have a boot log (dmesg) for this system?
Yes, of course, see attachment.
Wolfgang.
=> boot
Using FEC ETHERNET device
TFTP from server 10.0.30.2; our IP address is 10.0.30.199
Filename 'icecube/uImage-rt-lat'.
Load address: 0x400000
Loading: #################################################################
####################################
done
Bytes transferred = 1474093 (167e2d hex)
## Booting image at 00400000 ...
Image Name: Linux-2.6.24-rc8-rt1
Created: 2008-01-17 9:59:11 UTC
Image Type: PowerPC Linux Kernel Image (gzip compressed)
Data Size: 1474029 Bytes = 1.4 MB
Load Address: 00000000
Entry Point: 00000000
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Booting using the fdt at 0xff850000
Loading Device Tree to 007fc000, end 007fefff ... OK
[ 0.000000] Using lite5200 machine description
[ 0.000000] Linux version 2.6.24-rc8-rt1 ([EMAIL PROTECTED]) (gcc version 4.0.0 (DENX ELDK 4.1 4.0.0)) #6 PREEMPT RT Thu Jan 17 10:59:02 CET 2008
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0 -> 16384
[ 0.000000] Normal 16384 -> 16384
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] early_node_map[1] active PFN ranges
[ 0.000000] 0: 0 -> 16384
[ 0.000000] Real-Time Preemption Support (C) 2004-2007 Ingo Molnar
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
[ 0.000000] Kernel command line: root=/dev/nfs rw nfsroot=10.0.30.2:/data//ELDK/v4.1/ppc_6xx ip=10.0.30.199:10.0.30.2::255.255.255.0:lite5200:eth0:off console=ttyPSC0,115200
[ 0.000000] WARNING: experimental RCU implementation.
[ 0.000000] MPC52xx PIC is up and running!
[ 0.000000] PID hash table entries: 256 (order: 8, 1024 bytes)
[ 0.000019] clocksource: timebase mult[79364d9] shift[22] registered
[ 0.000345] console [ttyPSC0] enabled
[ 0.098764] num_possible_cpus(): 1
[ 0.147047] CPU#0: allocated 2097152 bytes trace buffer.
[ 0.197391] CPU#0: allocated 2097152 bytes max-trace buffer.
[ 0.248029] allocated 2097152 bytes out-trace buffer.
[ 0.253223] tracer: a total of 6291456 bytes allocated.
[ 0.258951] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.266485] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.283562] Memory: 55256k/65536k available (3024k kernel code, 10220k reserved, 172k data, 236k bss, 176k init)
[ 0.387337] Mount-cache hash table entries: 512
[ 0.405903] net_namespace: 76 bytes
[ 0.414103] NET: Registered protocol family 16
[ 0.458695] PCI: Probing PCI hardware
[ 0.468126] DMA: MPC52xx BestComm driver
[ 0.473000] DMA: MPC52xx BestComm engine @f0001200 ok !
[ 0.499454] SCSI subsystem initialized
[ 0.567145] NET: Registered protocol family 2
[ 0.715232] IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.725291] TCP established hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.733248] TCP bind hash table entries: 2048 (order: 3, 57344 bytes)
[ 0.741132] TCP: Hash tables configured (established 2048 bind 2048)
[ 0.747981] TCP reno registered
[ 0.805896] krcupreemptd setsched 0
[ 0.809657] prio = 98
[ 0.816864] io scheduler noop registered
[ 0.821149] io scheduler anticipatory registered (default)
[ 0.827137] io scheduler deadline registered
[ 0.831849] io scheduler cfq registered
[ 1.532740] Serial: MPC52xx PSC UART driver
[ 1.539120] f0002000.serial: ttyPSC0 at MMIO 0xf0002000 (irq = 129) is a MPC52xx PSC
[ 1.568537] RAMDISK driver initialized: 16 RAM disks of 32768K size 1024 blocksize
[ 1.586580] loop: module loaded
[ 1.631604] mpc52xx MII bus: probed
[ 1.640809] ata: MPC52xx IDE/ATA libata driver
[ 1.649069] scsi0 : mpc52xx_ata
[ 1.653845] ata1: PATA max PIO4 ata_regs 0xf0003a00 irq 135
[ 1.843308] TCP cubic registered
[ 1.846923] NET: Registered protocol family 1
[ 1.851717] NET: Registered protocol family 17
[ 1.858127] RPC: Registered udp transport module.
[ 1.863271] RPC: Registered tcp transport module.
[ 2.381436] net eth0: attached phy 0 to driver Generic PHY
[ 3.392504] IP-Config: Complete:
[ 3.395845] device=eth0, addr=10.0.30.199, mask=255.255.255.0, gw=255.255.255.255,
[ 3.404378] host=lite5200, domain=, nis-domain=(none),
[ 3.410215] bootserver=10.0.30.2, rootserver=10.0.30.2, rootpath=
[ 3.419137] Looking up port of RPC 100003/2 on 10.0.30.2
[ 5.378639] PHY: f0003000:00 - Link is Up - 100/Full
[ 5.427768] Looking up port of RPC 100005/1 on 10.0.30.2
[ 5.486821] VFS: Mounted root (nfs filesystem).
[ 5.492025] *****************************************************************************
[ 5.500722] * *
[ 5.509440] * REMINDER, the following debugging options are turned on in your .config: *
[ 5.518136] * *
[ 5.527066] * CONFIG_CRITICAL_PREEMPT_TIMING *
[ 5.535708] * CONFIG_FUNCTION_TRACE *
[ 5.544334] * *
[ 5.552957] * they may increase runtime overhead and latencies. *
[ 5.561574] * *
[ 5.570202] *****************************************************************************
[ 5.578909] Freeing unused kernel memory: 176k init
INIT: version 2.85 booting
Welcome to DENX Embedded Linux Environment
Press 'I' to enter interactive startup.
Building the cache [ OK ]
storage network audio done[ OK ]
Cannot access the Hardware Clock via any known method.
Use the --debug option to see the details of our search for an access method.
Setting clock : Thu Jan 1 00:00:11 UTC 1970 [ OK ]
Setting hostname lite5200: [ OK ]
Mounting local filesystems: [ OK ]
Enabling swap space: [ OK ]
INIT: Entering runlevel: 3
Entering non-interactive startup
Bringing up loopback interface: [ OK ]
Starting system logger: [ OK ]
Starting kernel logger: [ OK ]
Starting portmap: portmap: fork: No such device[ OK ]
Mounting NFS filesystems: [ OK ]
Mounting other filesystems: [ OK ]
Starting xinetd: [ OK ]
DENX ELDK version 4.1 build 2007-01-19
Linux 2.6.24-rc8-rt1 on a ppc
lite5200 login:
