[ltt-dev] lttv unable to execute textDump on MIPS multicore target

Naresh Bhat nareshgbhat at gmail.com
Fri Feb 11 01:38:41 EST 2011


Hi All,

I am trying to execute LTTng test on MIPS multicore (I pass *numcores=16
while booting)* Octeon based 58xx target board, but the lttv text dump fails
to dump

*My Kernel version: 2.6.32*
*

Linux Trace Toolkit Trace Control 0.78-04122009

Linux Trace Toolkit Visualizer 0.12.29-02022010

*
My questions are

1. Anybody faced this kind of problem ?
2. Is there any patch available for this ? please, can you provide me a
pointer to that patch ?

*-- Thanks and Regards
Naresh Bhat*

*Error log messages:*

root at cavium-octeonplus:~# mkdir /mnt/debugfs

root at cavium-octeonplus:~# mount -t debugfs debugfs /mnt/debugfs/
root at cavium-octeonplus:~# ltt-armall
Connecting /mnt/debugfs/ltt/markers/pm/idle_entry
Connecting /mnt/debugfs/ltt/markers/pm/idle_exit
Connecting /mnt/debugfs/ltt/markers/pm/suspend_entry
Connecting /mnt/debugfs/ltt/markers/pm/suspend_exit
Connecting /mnt/debugfs/ltt/markers/ipc/msg_create
Connecting /mnt/debugfs/ltt/markers/ipc/sem_create
Connecting /mnt/debugfs/ltt/markers/ipc/shm_create
Connecting /mnt/debugfs/ltt/markers/ipc/call
Connecting /mnt/debugfs/ltt/markers/fs/buffer_wait_start
Connecting /mnt/debugfs/ltt/markers/fs/buffer_wait_end
Connecting /mnt/debugfs/ltt/markers/fs/exec
Connecting /mnt/debugfs/ltt/markers/fs/ioctl
Connecting /mnt/debugfs/ltt/markers/fs/open
Connecting /mnt/debugfs/ltt/markers/fs/close
Connecting /mnt/debugfs/ltt/markers/fs/lseek
Connecting /mnt/debugfs/ltt/markers/fs/llseek
Connecting /mnt/debugfs/ltt/markers/fs/read
Connecting /mnt/debugfs/ltt/markers/fs/write
Connecting /mnt/debugfs/ltt/markers/fs/pread64
Connecting /mnt/debugfs/ltt/markers/fs/pwrite64
Connecting /mnt/debugfs/ltt/markers/fs/readv
Connecting /mnt/debugfs/ltt/markers/fs/writev
Connecting /mnt/debugfs/ltt/markers/fs/select
Connecting /mnt/debugfs/ltt/markers/fs/pollfd
Connecting /mnt/debugfs/ltt/markers/mm/wait_on_page_start
Connecting /mnt/debugfs/ltt/markers/mm/wait_on_page_end
Connecting /mnt/debugfs/ltt/markers/mm/huge_page_free
Connecting /mnt/debugfs/ltt/markers/mm/huge_page_alloc
Connecting /mnt/debugfs/ltt/markers/mm/page_free
Connecting /mnt/debugfs/ltt/markers/mm/page_alloc
Connecting /mnt/debugfs/ltt/markers/mm/swap_in
Connecting /mnt/debugfs/ltt/markers/mm/swap_out
Connecting /mnt/debugfs/ltt/markers/mm/swap_file_close
Connecting /mnt/debugfs/ltt/markers/mm/swap_file_open
Connecting /mnt/debugfs/ltt/markers/mm/add_to_page_cache
Connecting /mnt/debugfs/ltt/markers/mm/remove_from_page_cache
Connecting /mnt/debugfs/ltt/markers/kernel/trap_entry
Connecting /mnt/debugfs/ltt/markers/kernel/trap_exit
Connecting /mnt/debugfs/ltt/markers/kernel/syscall_entry
Connecting /mnt/debugfs/ltt/markers/kernel/syscall_exit
Connecting /mnt/debugfs/ltt/markers/kernel/irq_entry
Connecting /mnt/debugfs/ltt/markers/kernel/irq_next_handler
Connecting /mnt/debugfs/ltt/markers/kernel/irq_exit
Connecting /mnt/debugfs/ltt/markers/kernel/softirq_entry
Connecting /mnt/debugfs/ltt/markers/kernel/softirq_exit
Connecting /mnt/debugfs/ltt/markers/kernel/softirq_raise
Connecting /mnt/debugfs/ltt/markers/kernel/tasklet_low_entry
Connecting /mnt/debugfs/ltt/markers/kernel/tasklet_low_exit
Connecting /mnt/debugfs/ltt/markers/kernel/tasklet_high_entry
Connecting /mnt/debugfs/ltt/markers/kernel/tasklet_high_exit
Connecting /mnt/debugfs/ltt/markers/kernel/kthread_stop
Connecting /mnt/debugfs/ltt/markers/kernel/kthread_stop_ret
Connecting /mnt/debugfs/ltt/markers/kernel/sched_wait_task
Connecting /mnt/debugfs/ltt/markers/kernel/sched_try_wakeup
Connecting /mnt/debugfs/ltt/markers/kernel/sched_wakeup_new_task
Connecting /mnt/debugfs/ltt/markers/kernel/sched_schedule
Connecting /mnt/debugfs/ltt/markers/kernel/sched_migrate_task
Connecting /mnt/debugfs/ltt/markers/kernel/send_signal
Connecting /mnt/debugfs/ltt/markers/kernel/process_free
Connecting /mnt/debugfs/ltt/markers/kernel/process_exit
Connecting /mnt/debugfs/ltt/markers/kernel/process_wait
Connecting /mnt/debugfs/ltt/markers/kernel/process_fork
Connecting /mnt/debugfs/ltt/markers/kernel/kthread_create
Connecting /mnt/debugfs/ltt/markers/kernel/timer_itimer_expired
Connecting /mnt/debugfs/ltt/markers/kernel/timer_itimer_set
Connecting /mnt/debugfs/ltt/markers/kernel/timer_set
Connecting /mnt/debugfs/ltt/markers/kernel/timer_update_time
Connecting /mnt/debugfs/ltt/markers/kernel/timer_timeout
Connecting /mnt/debugfs/ltt/markers/kernel/printk
Connecting /mnt/debugfs/ltt/markers/kernel/vprintk
Connecting /mnt/debugfs/ltt/markers/kernel/module_free
Connecting /mnt/debugfs/ltt/markers/kernel/module_load
Connecting /mnt/debugfs/ltt/markers/kernel/panic
Connecting /mnt/debugfs/ltt/markers/kernel/kernel_kexec
Connecting /mnt/debugfs/ltt/markers/kernel/crash_kexec
Connecting /mnt/debugfs/ltt/markers/kernel/page_fault_entry
Connecting /mnt/debugfs/ltt/markers/kernel/page_fault_exit
Connecting /mnt/debugfs/ltt/markers/kernel/page_fault_nosem_entry
Connecting /mnt/debugfs/ltt/markers/kernel/page_fault_nosem_exit
Connecting /mnt/debugfs/ltt/markers/kernel/page_fault_get_user_entry
Connecting /mnt/debugfs/ltt/markers/kernel/page_fault_get_user_exit
Connecting /mnt/debugfs/ltt/markers/net/dev_xmit
Connecting /mnt/debugfs/ltt/markers/net/dev_receive
Connecting /mnt/debugfs/ltt/markers/net/socket_create
Connecting /mnt/debugfs/ltt/markers/net/socket_bind
Connecting /mnt/debugfs/ltt/markers/net/socket_connect
Connecting /mnt/debugfs/ltt/markers/net/socket_listen
Connecting /mnt/debugfs/ltt/markers/net/socket_accept
Connecting /mnt/debugfs/ltt/markers/net/socket_getsockname
Connecting /mnt/debugfs/ltt/markers/net/socket_getpeername
Connecting /mnt/debugfs/ltt/markers/net/socket_socketpair
Connecting /mnt/debugfs/ltt/markers/net/socket_sendmsg
Connecting /mnt/debugfs/ltt/markers/net/socket_recvmsg
Connecting /mnt/debugfs/ltt/markers/net/socket_setsockopt
Connecting /mnt/debugfs/ltt/markers/net/socket_getsockopt
Connecting /mnt/debugfs/ltt/markers/net/socket_shutdown
Connecting /mnt/debugfs/ltt/markers/net/socket_call
Connecting /mnt/debugfs/ltt/markers/net/tcpv4_rcv
Connecting /mnt/debugfs/ltt/markers/net/udpv4_rcv
Connecting /mnt/debugfs/ltt/markers/net/napi_schedule
Connecting /mnt/debugfs/ltt/markers/net/napi_poll
Connecting /mnt/debugfs/ltt/markers/net/napi_complete
Connecting /mnt/debugfs/ltt/markers/block/rq_abort_pc
Connecting /mnt/debugfs/ltt/markers/block/rq_abort_fs
Connecting /mnt/debugfs/ltt/markers/block/rq_insert_pc
Connecting /mnt/debugfs/ltt/markers/block/rq_insert_fs
Connecting /mnt/debugfs/ltt/markers/block/rq_issue_pc
Connecting /mnt/debugfs/ltt/markers/block/rq_issue_fs
Connecting /mnt/debugfs/ltt/markers/block/rq_requeue_pc
Connecting /mnt/debugfs/ltt/markers/block/rq_requeue_fs
Connecting /mnt/debugfs/ltt/markers/block/rq_complete_pc
Connecting /mnt/debugfs/ltt/markers/block/rq_complete_fs
Connecting /mnt/debugfs/ltt/markers/block/bio_bounce
Connecting /mnt/debugfs/ltt/markers/block/bio_complete
Connecting /mnt/debugfs/ltt/markers/block/bio_backmerge
Connecting /mnt/debugfs/ltt/markers/block/bio_frontmerge
Connecting /mnt/debugfs/ltt/markers/block/bio_queue
Connecting /mnt/debugfs/ltt/markers/block/getrq_bio
Connecting /mnt/debugfs/ltt/markers/block/getrq
Connecting /mnt/debugfs/ltt/markers/block/sleeprq_bio
Connecting /mnt/debugfs/ltt/markers/block/sleeprq
Connecting /mnt/debugfs/ltt/markers/block/plug
Connecting /mnt/debugfs/ltt/markers/block/unplug_io
Connecting /mnt/debugfs/ltt/markers/block/unplug_timer
Connecting /mnt/debugfs/ltt/markers/block/split
Connecting /mnt/debugfs/ltt/markers/block/remap
Connecting /mnt/debugfs/ltt/markers/userspace/event
Connecting /mnt/debugfs/ltt/markers/netif_state/insert_ifa_ipv4
Connecting /mnt/debugfs/ltt/markers/netif_state/del_ifa_ipv4
Connecting /mnt/debugfs/ltt/markers/netif_state/insert_ifa_ipv6
Connecting /mnt/debugfs/ltt/markers/netif_state/network_ipv4_interface
Connecting /mnt/debugfs/ltt/markers/netif_state/network_ip_interface
Connecting /mnt/debugfs/ltt/markers/irq_state/interrupt
Connecting /mnt/debugfs/ltt/markers/vm_state/vm_map
Connecting /mnt/debugfs/ltt/markers/fd_state/file_descriptor
Connecting /mnt/debugfs/ltt/markers/task_state/process_state
Connecting /mnt/debugfs/ltt/markers/global_state/statedump_end
Connecting /mnt/debugfs/ltt/markers/input/input_event
Connecting /mnt/debugfs/ltt/markers/swap_state/statedump_swap_files
Connecting /mnt/debugfs/ltt/markers/module_state/list_module
Connecting /mnt/debugfs/ltt/markers/softirq_state/softirq_vec
root at cavium-octeonplus:~# lttctl -C -w /tmp/trace1 trace1
Linux Trace Toolkit Trace Control 0.78-04122009

Controlling trace : trace1

lttctl: Creating trace
lttctl: Forking lttd
Linux Trace Toolkit Trace Daemon 0.78-04122009

Reading from debugfs directory : /mnt/debugfs/ltt/trace1
Writing to trace directory : /tmp/trace1

lttctl: Starting trace
root at cavium-octeonplus:~# lttctl -D trace1
Linux Trace Toolkit Trace Control 0.78-04122009

Controlling trace : trace1

lttctl: Pausing trace
lttctl: Destroying trace
LTT: 32 events written in channel softirq_state (cpu 0, index 0)
LTT: 17 events written in channel module_state (cpu 0, index 0)
LTT: 1 events written in channel global_state (cpu 0, index 0)
LTT: 335 events written in channel task_state (cpu 0, index 0)
LTT: 699 events written in channel fd_state (cpu 0, index 0)
LTT: 429 events written in channel vm_state (cpu 0, index 0)
LTT: 7 events written in channel irq_state (cpu 0, index 0)
LTT: 10 events written in channel netif_state (cpu 0, index 0)
LTT: 218 events written in channel net (cpu 0, index 0)
LTT: 3 events written in channel net (cpu 1, index 0)
LTT: 4 events written in channel net (cpu 2, index 0)
LTT: 2881 events written in channel kernel (cpu 0, index 0)
LTT: 663 events written in channel kernel (cpu 1, index 0)
LTT: 731 events written in channel kernel (cpu 2, index 0)
LTT: 88 events written in channel kernel (cpu 3, index 0)
LTT: 77 events written in channel kernel (cpu 4, index 0)
LTT: 89 events written in channel kernel (cpu 5, index 0)
LTT: 98 events written in channel kernel (cpu 6, index 0)
LTT: 78 events written in channel kernel (cpu 7, index 0)
LTT: 208 events written in channel kernel (cpu 8, index 0)
LTT: 75 events written in channel kernel (cpu 9, index 0)
LTT: 75 events written in channel kernel (cpu 10, index 0)
LTT: 88 events written in channel kernel (cpu 11, index 0)
LTT: 93 events written in channel kernel (cpu 12, index 0)
LTT: 95 events written in channel kernel (cpu 13, index 0)
LTT: 62 events written in channel kernel (cpu 14, index 0)
LTT: 64 events written in channel kernel (cpu 15, index 0)
LTT: 44 events written in channel mm (cpu 0, index 0)
LTT: 14 events written in channel mm (cpu 1, index 0)
LTT: 41 events written in channel mm (cpu 2, index 0)
LTT: 1 events written in channel mm (cpu 8, index 0)
LTT: 253 events written in channel fs (cpu 0, index 0)
LTT: 4 events written in channel fs (cpu 1, index 0)
LTT: 31 events written in channel fs (cpu 2, index 0)
LTT: 272 events written in channel fs (cpu 4, index 0)
LTT: 8 events written in channel fs (cpu 8, index 0)
LTT: 286 events written in channel metadata (cpu 0, index 0)
root at cavium-octeonplus:~# lttv -m textDump -t /tmp/trace1/ >
Log-trace-text-format.txt

** ERROR **: Process 2120 has been created at [0.000000000] and inserted at
[92.895699903] before
fork on cpu 0[94.290545440].
Probably an unsynchronized TSC problem on the traced machine.
aborting...
Aborted
root at cavium-octeonplus:~#
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