[lttng-dev] Lttng start failure

Thu Sep 26 15:20:21 EDT 2013

On Thu, Sep 26, 2013 at 8:47 AM, Manikandan <email at manikandan.co.in> wrote:
> Hi,
>
> I'm using arm cortex 9 processor and I build the lttng modules, userspace
> rcu and tools using arm-linux-gnueabi toolchain.
>
> After I compile and deployed on the target
> 1.
> ./lttng-sessiond -vvv --consumer32-path /tmp/lt
> tng-build-root/lib/lttng/libexec -d
> ./lttng-sessiond: unrecognized option '--consumer32-path'
> root@/tmp/lttng-build-root/bin # ./lttng-sessiond -vvv --consumerd32-path
> /tmp/l
> ttng-build-root/lib/lttng/libexec
> DEBUG3: Creating LTTng run directory: /tmp/lttng [in create_lttng_rundir()
> at ma
> in.c:3692]
> DEBUG2: Kernel consumer err path: /tmp/lttng/kconsumerd/error [in main() at
> main
> .c:3940]
> DEBUG2: Kernel consumer cmd path: /tmp/lttng/kconsumerd/command [in main()
> at ma
> in.c:3942]
> DEBUG1: Client socket path /tmp/lttng/client-lttng-slttng_tracer: Unknown
> symbol
>  lttng_statedump_start (err 0)
> essiond [in main() at main.c:3995]
> DEBUG1: Application socket plttng_tracer: Unknown symbol
> lib_ring_buffer_file_op
> erations (err 0)
> ath /tmp/lttng/apps-lttng-sessiond [in main() at main.c:3996]
> DEBUG1: LTTng run directory path: /tmp/lttng [in main() at main.c:3997]
> DEBUG2: UST consumer 32 bits err path: /tmp/lttng/ustconsumerd32/error [in
> main(
> ) at main.c:4006]
> DEBUG2: UST consumer 32 bits cmd path: /tmp/lttng/ustconsumerd32/command [in
> mai
> n() at main.c:4008]
> DEBUG2: UST consumer 64 bits err path: /tmp/lttng/ustconsumerd64/error [in
> main(
> ) at main.c:4017]
> DEBUG2: UST consumer 64 bits cmd path: /tmp/lttng/ustconsumerd64/command [in
> mai
> n() at main.c:4019]
> DEBUG2: Creating consumer directory: /tmp/lttng/kconsumerd [in
> set_consumer_sock
> ets() at main.c:3734]
> DEBUG1: Modprobe successfully lttng-tracer [in modprobe_lttng_control() at
> modpr
> obe.c:180]
> DEBUG2: Kernel tracer version validated (major version 2) [in
> kernel_validate_ve
> rsion() at kernel.c:649]
> modprobe: module 'lttng_ftrace' not found
> DEBUG1: Modprobe successfully lttng-ftrace [in modprobe_lttng_data() at
> modprobe
> .c:216]
> modprobe: module 'lttng_kprobes' not found
> DEBUG1: Modprobe successfully lttng-kprobes [in modprobe_lttng_data() at
> modprob
> e.c:216]
> modprobe: module 'lttng_kretprobes' not found
> DEBUG1: Modprobe successfully lttng-kretprobes [in modprobe_lttng_data() at
> modp
> robe.c:216]
> DEBUG1: Modprobe successfully lttng-lib-ring-buffer [in
> modprobe_lttng_data() at
>  modprobe.c:216]
> DEBUG1: Modprobe successfully lttng-ring-buffer-client-discard [in
> modprobe_lttn
> g_data() at modprobe.c:216]
> DEBUG1: Modprobe successfully lttng-ring-buffer-client-overwrite [in
> modprobe_lt
> tng_data() at modprobe.c:216]
> DEBUG1: Modprobe successfully lttng-ring-buffer-metadata-client [in
> modprobe_ltt
> ng_data() at modprobe.c:216]
> DEBUG1: Modprobe successfully lttng-ring-buffer-client-mmap-discard [in
> modprobe
> _lttng_data() at modprobe.c:216]
> DEBUG1: Modprobe successfully lttng-ring-buffer-client-mmap-overwrite [in
> modpro
> be_lttng_data() at modprobe.c:216]
> DEBUG1: Modprobe successfully lttng-ring-buffer-metadata-mmap-client [in
> modprob
> e_lttng_data() at modprobe.c:216]
> modprobe: module 'lttng_probe_lttng' not found
> DEBUG1: Modprobe successfully lttng-probe-lttng [in modprobe_lttng_data() at
> mod
> probe.c:216]
> DEBUG1: Modprobe successfully lttng-types [in modprobe_lttng_data() at
> modprobe.
> c:216]
> modprobe: module 'lttng_probe_asoc' not found
> DEBUG1: Modprobe successfully lttng-probe-asoc [in modprobe_lttng_data() at
> modp
> robe.c:216]
> modprobe: module 'lttng_probe_block' not found
> DEBUG1: Modprobe successfully lttng-probe-block [in modprobe_lttng_data() at
> mod
> probe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-ext3 [in modprobe_lttng_data() at
> modp
> robe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-gpio [in modprobe_lttng_data() at
> modp
> robe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-irq [in modprobe_lttng_data() at
> modpr
> obe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-jbd [in modprobe_lttng_data() at
> modpr
> obe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-jbd2 [in modprobe_lttng_data() at
> modp
> robe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-kmem [in modprobe_lttng_data() at
> modp
> robe.c:216]
> modprobe: module 'lttng_probe_kvm' not found
> DEBUG1: Modprobe successfully lttng-probe-kvm [in modprobe_lttng_data() at
> modpr
> obe.c:216]
> modprobe: module 'lttng_probe_lock' not found
> DEBUG1: Modprobe successfully lttng-probe-lock [in modprobe_lttng_data() at
> modp
> robe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-module [in modprobe_lttng_data()
> at mo
> dprobe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-napi [in modprobe_lttng_data() at
> modp
> robe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-net [in modprobe_lttng_data() at
> modpr
> obe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-power [in modprobe_lttng_data() at
> mod
> probe.c:216]
> modprobe: module 'lttng_probe_regulator' not found
> DEBUG1: Modprobe successfully lttng-probe-regulator [in
> modprobe_lttng_data() at
>  modprobe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-sched [in modprobe_lttng_data() at
> mod
> probe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-scsi [in modprobe_lttng_data() at
> modp
> robe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-signal [in modprobe_lttng_data()
> at mo
> dprobe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-skb [in modprobe_lttng_data() at
> modpr
> obe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-sock [in modprobe_lttng_data() at
> modp
> robe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-statedump [in
> modprobe_lttng_data() at
>  modprobe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-timer [in modprobe_lttng_data() at
> mod
> probe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-udp [in modprobe_lttng_data() at
> modpr
> obe.c:216]
> DEBUG1: Modprobe successfully lttng-probe-vmscan [in modprobe_lttng_data()
> at mo
> dprobe.c:216]
> DEBUG1: Kernel tracer fd 6 [in init_kernel_tracer() at main.c:1978]
> DEBUG2: Creating consumer directory: /tmp/lttng/ustconsumerd64 [in
> set_consumer_
> sockets() at main.c:3734]
> DEBUG2: Creating consumer directory: /tmp/lttng/ustconsumerd32 [in
> set_consumer_
> sockets() at main.c:3734]
> DEBUG1: Signal handler set for SIGTERM, SIGPIPE and SIGINT [in
> set_signal_handle
> r() at main.c:3826]
> DEBUG3: Session daemon client socket 9 and application socket 10 created [in
> ini
> t_daemon_socket() at main.c:3596]
> Warning: No tracing group detected
> DEBUG1: epoll set max size is 268040 [in compat_epoll_set_max_size() at
> compat-e
> poll.c:270]
> DEBUG1: Command subsystem initialized [in cmd_init() at cmd.c:2423]
> DEBUG1: [thread] Manage health check started [in thread_manage_health() at
> main.
> c:2953]
> DEBUG1: [thread] Dispatch UST command started [in
> thread_dispatch_ust_registrati
> on() at main.c:1300]
> DEBUG1: Futex n to 1 prepare done [in futex_nto1_prepare() at futex.c:75]
> DEBUG1: Woken up but nothing in the UST command queue [in
> thread_dispatch_ust_re
> gistration() at main.c:1310]
> DEBUG1: [thread] Manage application registration started [in
> thread_registration
> _apps() at main.c:1378]
> DEBUG1: [thread] Thread manage kernel started [in thread_manage_kernel() at
> main
> .c:692]
> DEBUG1: Health check ready [in thread_manage_health() at main.c:2992]
> DEBUG1: [thread] Manage client started [in thread_manage_clients() at
> main.c:314
> 7]
> DEBUG1: Notifying applications of session daemon state: 1 [in
> notify_ust_apps()
> at main.c:496]
> DEBUG1: Accepting client command ... [in thread_manage_clients() at
> main.c:3191]
> DEBUG1: [thread] Manage application started [in thread_manage_apps() at
> main.c:1
> 107]
> DEBUG1: Apps thread polling on 2 fds [in thread_manage_apps() at
> main.c:1135]
> DEBUG1: Got the wait shm fd 20 [in get_wait_shm() at shm.c:117]
> DEBUG1: Futex wait update active 1 [in futex_wait_update() at futex.c:63]
> DEBUG1: Accepting application registration [in thread_registration_apps() at
> mai
> n.c:1413]
> DEBUG1: Updating kernel poll set [in update_kernel_poll() at main.c:557]
> DEBUG1: Thread kernel polling on 2 fds [in thread_manage_kernel() at
> main.c:735]
>
>
> 2. I run "./lttng create test"
> 3. ./lttng enable-event -a -k
> All kernel events are enabled in channel channel0
>
> 4. ./lttng start
> LTTng: Failure to write metadata to buffers (timeout)
> Error: Starting kernel trace failed
>
>
> And I'm using linux 3.9.0 kernel for my testing.

Which version of LTTng are you building?

Jérémie

>
> Please tell me why this error is coming.
> /Manikandan G
>
>
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev

-- 
Jérémie Galarneau
EfficiOS Inc.
http://www.efficios.com