* Pavan Anumula ([email protected]) wrote: > Hi Mathieu, > Still I am unable to start tracing, And I am facing the same start errors. > Please kindly help me on this. > This time I loaded the modules by modprobe( not with insmod as I did > before), Then I run the command " arm-none-linux-gnueabi-lttng-sessiond > -vvv " (before arm-none-linux-gnueabi-lttng-sessiond -d),
When using "arm-none-linux-gnueabi-lttng-sessiond -vvv", you should _not_ run "arm-none-linux-gnueabi-lttng-sessiond -d". > The below is the Output, And It got hanged overthere. This is normal: the sessiond is waiting for applications to connect. It does not hang, it just waits. David, can you follow up on this issue ? It seems to be sessiond-related. Thanks, Mathieu > Later when I started lttng start I am acing the same erros below: > root@arago:~/lttng-traces# arm-none-linux-gnueabi-lttng start > LTTng: Failure to write metadata to buffers (timeout) > Error: Starting kernel trace failed > > ************************************************************************************************ > DEBUG3: Creating LTTng run directory: /var/run/lttng [in > create_lttng_rundir() at main.c:4315] > DEBUG2: Kernel consumer err path: /var/run/lttng/kconsumerd/error [in main() > at main.c:4543] > DEBUG2: Kernel consumer cmd path: /var/run/lttng/kconsumerd/command [in > main() at main.c:4545] > DEBUG1: Client socket path /var/run/lttng/client-lttng-sessiond [in main() at > main.c:4592] > DEBUG1: Application socket path /var/run/lttng/apps-lttng-sessiond [in main() > at main.c:4593] > DEBUG1: LTTng run directory path: /var/run/lttng [in main() at main.c:4594] > DEBUG2: UST consumer 32 bits err path: /var/run/lttng/ustconsumerd32/error > [in main() at main.c:4603] > DEBUG2: UST consumer 32 bits cmd path: /var/run/lttng/ustconsumerd32/command > [in main() at main.c:4605] > DEBUG2: UST consumer 64 bits err path: /var/run/lttng/ustconsumerd64/error > [in main() at main.c:4614] > DEBUG2: UST consumer 64 bits cmd path: /var/run/lttng/ustconsumerd64/command > [in main() at main.c:4616] > DEBUG3: Created hashtable size 4 at 0x4a080 of type 1 [in lttng_ht_new() at > hashtable.c:96] > DEBUG3: Created hashtable size 4 at 0x4a168 of type 1 [in lttng_ht_new() at > hashtable.c:96] > DEBUG2: Creating consumer directory: /var/run/lttng/kconsumerd [in > set_consumer_sockets() at main.c:4357] > DEBUG1: Modprobe successfully lttng-tracer [in modprobe_lttng_control() at > modprobe.c:163] > DEBUG2: Kernel tracer version validated (major version 2) [in > kernel_validate_version() at kernel.c:675] > DEBUG1: Modprobe successfully lttng-ftrace [in modprobe_lttng_data() at > modprobe.c:199] > DEBUG1: Modprobe successfully lttng-kprobes [in modprobe_lttng_data() at > modprobe.c:199] > DEBUG1: Modprobe successfully lttng-kretprobes [in modprobe_lttng_data() at > modprobe.c:199] > DEBUG1: Modprobe successfully lttng-lib-ring-buffer [in modprobe_lttng_data() > at modprobe.c:199] > DEBUG1: Modprobe successfully lttng-ring-buffer-client-discard [in > modprobe_lttng_data() at modprobe.c:199] > DEBUG1: Modprobe successfully lttng-ring-buffer-client-overwrite [in > modprobe_lttng_data() at modprobe.c:199] > DEBUG1: Modprobe successfully lttng-ring-buffer-metadata-client [in > modprobe_lttng_data() at modprobe.c:199] > DEBUG1: Modprobe successfully lttng-ring-buffer-client-mmap-discard [in > modprobe_lttng_data() at modprobe.c:199] > DEBUG1: Modprobe successfully lttng-ring-buffer-client-mmap-overwrite [in > modprobe_lttng_data() at modprobe.c:199] > DEBUG1: Modprobe successfully lttng-ring-buffer-metadata-mmap-client [in > modprobe_lttng_data() at modprobe.c:199] > DEBUG1: Modprobe successfully lttng-probe-lttng [in modprobe_lttng_data() at > modprobe.c:199] > DEBUG1: Modprobe successfully lttng-types [in modprobe_lttng_data() at > modprobe.c:199] > DEBUG1: Modprobe successfully lttng-probe-block [in modprobe_lttng_data() at > modprobe.c:199] > DEBUG1: Modprobe successfully lttng-probe-irq [in modprobe_lttng_data() at > modprobe.c:199] > DEBUG1: Modprobe successfully lttng-probe-kvm [in modprobe_lttng_data() at > modprobe.c:199] > DEBUG1: Modprobe successfully lttng-probe-sched [in modprobe_lttng_data() at > modprobe.c:199] > DEBUG1: Modprobe successfully lttng-probe-signal [in modprobe_lttng_data() at > modprobe.c:199] > DEBUG1: Modprobe successfully lttng-probe-statedump [in modprobe_lttng_data() > at modprobe.c:199] > DEBUG1: Modprobe successfully lttng-probe-timer [in modprobe_lttng_data() at > modprobe.c:199] > DEBUG1: Kernel tracer fd 6 [in init_kernel_tracer() at main.c:1887] > DEBUG2: Creating consumer directory: /var/run/lttng/ustconsumerd64 [in > set_consumer_sockets() at main.c:4357] > DEBUG2: Creating consumer directory: /var/run/lttng/ustconsumerd32 [in > set_consumer_sockets() at main.c:4357] > DEBUG1: Signal handler set for SIGTERM, SIGPIPE and SIGINT [in > set_signal_handler() at main.c:4449] > DEBUG1: All permissions are set [in set_permissions() at main.c:4250] > DEBUG1: poll set max size set to 65535 [in compat_poll_set_max_size() at > compat-poll.c:196] > DEBUG1: [thread] Manage application started [in thread_manage_apps() at > main.c:1179] > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > DEBUG1: fd 13 of 2 added to pollfd [in compat_poll_add() at compat-poll.c:91] > DEBUG1: Apps thread polling on 2 fds [in thread_manage_apps() at main.c:1200] > DEBUG1: Thread manage kernel started [in thread_manage_kernel() at main.c:876] > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > DEBUG1: fd 11 of 2 added to pollfd [in compat_poll_add() at compat-poll.c:91] > DEBUG1: Updating kernel poll set [in update_kernel_poll() at main.c:748] > DEBUG1: Thread kernel polling on 2 fds [in thread_manage_kernel() at > main.c:905] > DEBUG1: [thread] Manage application registration started [in > thread_registration_apps() at main.c:1392] > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > DEBUG1: fd 10 of 2 added to pollfd [in compat_poll_add() at compat-poll.c:91] > DEBUG1: Notifying applications of session daemon state: 1 [in > notify_ust_apps() at main.c:687] > DEBUG1: [thread] Dispatch UST command started [in > thread_dispatch_ust_registration() at main.c:1324] > DEBUG1: Futex n to 1 prepare done [in futex_nto1_prepare() at futex.c:73] > DEBUG1: Woken up but nothing in the UST command queue [in > thread_dispatch_ust_registration() at main.c:1334] > DEBUG1: [thread] Manage client started [in thread_manage_clients() at > main.c:3794] > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > DEBUG1: fd 9 of 2 added to pollfd [in compat_poll_add() at compat-poll.c:91] > DEBUG1: Accepting client command ... [in thread_manage_clients() at > main.c:3826] > DEBUG1: Got the wait shm fd 15 [in get_wait_shm() at shm.c:117] > DEBUG1: Futex wait update active 1 [in futex_wait_update() at futex.c:62] > DEBUG1: Accepting application registration [in thread_registration_apps() at > main.c:1423] > ******************************************************************************************************** > Am I missing anything?? > > Thanks in Advance, > Pavan > > > ________________________________________ > From: Mathieu Desnoyers [[email protected]] > Sent: Monday, June 11, 2012 7:24 PM > To: Pavan Anumula > Cc: [email protected] > Subject: Re: [lttng-dev] Lttng start failed > > * Pavan Anumula ([email protected]) wrote: > > Hi Mathieu, > > > > Please find the info below as per your comments > > > > > > ########## Output of command "arm-none-linux-gnueabi-lttng-sessiond -vvv " > > , After loading the modules ####### > > > > DEBUG3: Creating LTTng run directory: /var/run/lttng [in > > create_lttng_rundir() at main.c:4315] > > DEBUG2: Kernel consumer err path: /var/run/lttng/kconsumerd/error [in > > main() at main.c:4543] > > DEBUG2: Kernel consumer cmd path: /var/run/lttng/kconsumerd/command [in > > main() at main.c:4545] > > DEBUG1: Client socket path /var/run/lttng/client-lttng-sessiond [in main() > > at main.c:4592] > > DEBUG1: Application socket path /var/run/lttng/apps-lttng-sessiond [in > > main() at main.c:4593] > > DEBUG1: LTTng run directory path: /var/run/lttng [in main() at main.c:4594] > > DEBUG2: UST consumer 32 bits err path: /var/run/lttng/ustconsumerd32/error > > [in main() at main.c:4603] > > DEBUG2: UST consumer 32 bits cmd path: > > /var/run/lttng/ustconsumerd32/command [in main() at main.c:4605] > > DEBUG2: UST consumer 64 bits err path: /var/run/lttng/ustconsumerd64/error > > [in main() at main.c:4614] > > DEBUG2: UST consumer 64 bits cmd path: > > /var/run/lttng/ustconsumerd64/command [in main() at main.c:4616] > > DEBUG3: Created hashtable size 4 at 0x4a080 of type 1 [in lttng_ht_new() at > > hashtable.c:96] > > DEBUG3: Created hashtable size 4 at 0x4a168 of type 1 [in lttng_ht_new() at > > hashtable.c:96] > > DEBUG2: Creating consumer directory: /var/run/lttng/kconsumerd [in > > set_consumer_sockets() at main.c:4357] > > FATAL: Module lttng_tracer not found. > > Error: Unable to load module lttng-tracer > > Hrm. You want to do kernel tracing, but modprobe cannot find the lttng > kernel tracer modules. You might want to run depmod -a or something like > that on your target, and ensure that modprobe works properly. > > Thanks, > > Mathieu > > > DEBUG2: Kernel tracer version validated (major version 2) [in > > kernel_validate_version() at kernel.c:675] > > DEBUG1: Modprobe successfully lttng-ftrace [in modprobe_lttng_data() at > > modprobe.c:199] > > DEBUG1: Modprobe successfully lttng-kprobes [in modprobe_lttng_data() at > > modprobe.c:199] > > DEBUG1: Modprobe successfully lttng-kretprobes [in modprobe_lttng_data() at > > modprobe.c:199] > > FATAL: Module lttng_lib_ring_buffer not found. > > Error: Unable to load module lttng-lib-ring-buffer > > FATAL: Module lttng_ring_buffer_client_discard not found. > > Error: Unable to load module lttng-ring-buffer-client-discard > > FATAL: Module lttng_ring_buffer_client_overwrite not found. > > Error: Unable to load module lttng-ring-buffer-client-overwrite > > FATAL: Module lttng_ring_buffer_metadata_client not found. > > Error: Unable to load module lttng-ring-buffer-metadata-client > > FATAL: Module lttng_ring_buffer_client_mmap_discard not found. > > Error: Unable to load module lttng-ring-buffer-client-mmap-discard > > FATAL: Module lttng_ring_buffer_client_mmap_overwrite not found. > > Error: Unable to load module lttng-ring-buffer-client-mmap-overwrite > > FATAL: Module lttng_ring_buffer_metadata_mmap_client not found. > > Error: Unable to load module lttng-ring-buffer-metadata-mmap-client > > FATAL: Module lttng_probe_lttng not found. > > Error: Unable to load module lttng-probe-lttng > > DEBUG1: Modprobe successfully lttng-types [in modprobe_lttng_data() at > > modprobe.c:199] > > DEBUG1: Modprobe successfully lttng-probe-block [in modprobe_lttng_data() > > at modprobe.c:199] > > DEBUG1: Modprobe successfully lttng-probe-irq [in modprobe_lttng_data() at > > modprobe.c:199] > > DEBUG1: Modprobe successfully lttng-probe-kvm [in modprobe_lttng_data() at > > modprobe.c:199] > > DEBUG1: Modprobe successfully lttng-probe-sched [in modprobe_lttng_data() > > at modprobe.c:199] > > DEBUG1: Modprobe successfully lttng-probe-signal [in modprobe_lttng_data() > > at modprobe.c:199] > > DEBUG1: Modprobe successfully lttng-probe-statedump [in > > modprobe_lttng_data() at modprobe.c:199] > > DEBUG1: Modprobe successfully lttng-probe-timer [in modprobe_lttng_data() > > at modprobe.c:199] > > DEBUG1: Kernel tracer fd 6 [in init_kernel_tracer() at main.c:1887] > > DEBUG2: Creating consumer directory: /var/run/lttng/ustconsumerd64 [in > > set_consumer_sockets() at main.c:4357] > > DEBUG2: Creating consumer directory: /var/run/lttng/ustconsumerd32 [in > > set_consumer_sockets() at main.c:4357] > > DEBUG1: Signal handler set for SIGTERM, SIGPIPE and SIGINT [in > > set_signal_handler() at main.c:4449] > > DEBUG1: All permissions are set [in set_permissions() at main.c:4250] > > DEBUG1: poll set max size set to 65535 [in compat_poll_set_max_size() at > > compat-poll.c:196] > > DEBUG1: [thread] Manage client started [in thread_manage_clients() at > > main.c:3794] > > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > > DEBUG1: fd 9 of 2 added to pollfd [in compat_poll_add() at compat-poll.c:91] > > DEBUG1: Accepting client command ... [in thread_manage_clients() at > > main.c:3826] > > DEBUG1: [thread] Dispatch UST command started [in > > thread_dispatch_ust_registration() at main.c:1324] > > DEBUG1: Futex n to 1 prepare done [in futex_nto1_prepare() at futex.c:73] > > DEBUG1: Woken up but nothing in the UST command queue [in > > thread_dispatch_ust_registration() at main.c:1334] > > DEBUG1: Thread manage kernel started [in thread_manage_kernel() at > > main.c:876] > > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > > DEBUG1: fd 11 of 2 added to pollfd [in compat_poll_add() at > > compat-poll.c:91] > > DEBUG1: Updating kernel poll set [in update_kernel_poll() at main.c:748] > > DEBUG1: Thread kernel polling on 2 fds [in thread_manage_kernel() at > > main.c:905] > > DEBUG1: [thread] Manage application started [in thread_manage_apps() at > > main.c:1179] > > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > > DEBUG1: fd 13 of 2 added to pollfd [in compat_poll_add() at > > compat-poll.c:91] > > DEBUG1: Apps thread polling on 2 fds [in thread_manage_apps() at > > main.c:1200] > > DEBUG1: [thread] Manage application registration started [in > > thread_registration_apps() at main.c:1392] > > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > > DEBUG1: fd 10 of 2 added to pollfd [in compat_poll_add() at > > compat-poll.c:91] > > DEBUG1: Notifying applications of session daemon state: 1 [in > > notify_ust_apps() at main.c:687] > > DEBUG1: Got the wait shm fd 15 [in get_wait_shm() at shm.c:117] > > DEBUG1: Futex wait update active 1 [in futex_wait_update() at futex.c:62] > > DEBUG1: Accepting application registration [in thread_registration_apps() > > at main.c:1423] > > > > > > > > #### Output of command "arm-none-linux-gnueabi-lttng-sessiond -vvv " > > before loading the modules ############# > > > > DEBUG3: Creating LTTng run directory: /var/run/lttng [in > > create_lttng_rundir() at main.c:4315] > > DEBUG2: Kernel consumer err path: /var/run/lttng/kconsumerd/error [in > > main() at main.c:4543] > > DEBUG2: Kernel consumer cmd path: /var/run/lttng/kconsumerd/command [in > > main() at main.c:4545] > > DEBUG1: Client socket path /var/run/lttng/client-lttng-sessiond [in main() > > at main.c:4592] > > DEBUG1: Application socket path /var/run/lttng/apps-lttng-sessiond [in > > main() at main.c:4593] > > DEBUG1: LTTng run directory path: /var/run/lttng [in main() at main.c:4594] > > DEBUG2: UST consumer 32 bits err path: /var/run/lttng/ustconsumerd32/error > > [in main() at main.c:4603] > > DEBUG2: UST consumer 32 bits cmd path: > > /var/run/lttng/ustconsumerd32/command [in main() at main.c:4605] > > DEBUG2: UST consumer 64 bits err path: /var/run/lttng/ustconsumerd64/error > > [in main() at main.c:4614] > > DEBUG2: UST consumer 64 bits cmd path: > > /var/run/lttng/ustconsumerd64/command [in main() at main.c:4616] > > DEBUG3: Created hashtable size 4 at 0x4a080 of type 1 [in lttng_ht_new() at > > hashtable.c:96] > > DEBUG3: Created hashtable size 4 at 0x4a168 of type 1 [in lttng_ht_new() at > > hashtable.c:96] > > DEBUG2: Creating consumer directory: /var/run/lttng/kconsumerd [in > > set_consumer_sockets() at main.c:4357] > > FATAL: Module lttng_tracer not found. > > Error: Unable to load module lttng-tracer > > DEBUG1: Failed to open /proc/lttng [in init_kernel_tracer() at main.c:1871] > > Error: Unable to remove module lttng-tracer > > Warning: No kernel tracer available > > DEBUG2: Creating consumer directory: /var/run/lttng/ustconsumerd64 [in > > set_consumer_sockets() at main.c:4357] > > DEBUG2: Creating consumer directory: /var/run/lttng/ustconsumerd32 [in > > set_consumer_sockets() at main.c:4357] > > DEBUG1: Signal handler set for SIGTERM, SIGPIPE and SIGINT [in > > set_signal_handler() at main.c:4449] > > DEBUG1: All permissions are set [in set_permissions() at main.c:4250] > > DEBUG1: poll set max size set to 65535 [in compat_poll_set_max_size() at > > compat-poll.c:196] > > DEBUG1: [thread] Manage application started [in thread_manage_apps() at > > main.c:1179] > > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > > DEBUG1: fd 12 of 2 added to pollfd [in compat_poll_add() at > > compat-poll.c:91] > > DEBUG1: Apps thread polling on 2 fds [in thread_manage_apps() at > > main.c:1200] > > DEBUG1: Thread manage kernel started [in thread_manage_kernel() at > > main.c:876] > > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > > DEBUG1: fd 10 of 2 added to pollfd [in compat_poll_add() at > > compat-poll.c:91] > > DEBUG1: Updating kernel poll set [in update_kernel_poll() at main.c:748] > > DEBUG1: Thread kernel polling on 2 fds [in thread_manage_kernel() at > > main.c:905] > > DEBUG1: [thread] Manage application registration started [in > > thread_registration_apps() at main.c:1392] > > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > > DEBUG1: fd 9 of 2 added to pollfd [in compat_poll_add() at compat-poll.c:91] > > DEBUG1: Notifying applications of session daemon state: 1 [in > > notify_ust_apps() at main.c:687] > > DEBUG1: [thread] Dispatch UST command started [in > > thread_dispatch_ust_registration() at main.c:1324] > > DEBUG1: Futex n to 1 prepare done [in futex_nto1_prepare() at futex.c:73] > > DEBUG1: Woken up but nothing in the UST command queue [in > > thread_dispatch_ust_registration() at main.c:1334] > > DEBUG1: [thread] Manage client started [in thread_manage_clients() at > > main.c:3794] > > DEBUG1: fd 3 of 1 added to pollfd [in compat_poll_add() at compat-poll.c:91] > > DEBUG1: fd 8 of 2 added to pollfd [in compat_poll_add() at compat-poll.c:91] > > DEBUG1: Accepting client command ... [in thread_manage_clients() at > > main.c:3826] > > DEBUG1: Got the wait shm fd 14 [in get_wait_shm() at shm.c:117] > > DEBUG1: Futex wait update active 1 [in futex_wait_update() at futex.c:62] > > DEBUG1: Accepting application registration [in thread_registration_apps() > > at main.c:1423] > > > > > > Regards, > > Pavan > > > > -----Original Message----- > > From: Mathieu Desnoyers [mailto:[email protected]] > > Sent: Saturday, June 09, 2012 6:03 PM > > To: Pavan Anumula > > Cc: [email protected] > > Subject: Re: [lttng-dev] Lttng start failed > > > > * Pavan Anumula ([email protected]) wrote: > > > Hi Mathue, > > > > > > Thanks for the quick reply, > > > > > > After inserting lttng modules , I had given the command > > > "arm-none-linux-gnueabi-lttng-sessiond -vvv" as you said, Below is the > > > output where there are error messages. Please help me in resolving the > > > issue, SO that I can catch kernel and user traces. > > > > > > > > > root@arago:/usr/lttng/modules# arm-none-linux-gnueabi-lttng-sessiond > > > -d root@arago:/usr/lttng/modules# > > > arm-none-linux-gnueabi-lttng-sessiond -vvv > > > DEBUG3: Creating LTTng run directory: /var/run/lttng [in > > > create_lttng_rundir() at main.c:4315] > > > DEBUG2: Kernel consumer err path: /var/run/lttng/kconsumerd/error [in > > > main() at main.c:4543] > > > DEBUG2: Kernel consumer cmd path: /var/run/lttng/kconsumerd/command > > > [in main() at main.c:4545] > > > DEBUG1: Client socket path /var/run/lttng/client-lttng-sessiond [in > > > main() at main.c:4592] > > > DEBUG1: Application socket path /var/run/lttng/apps-lttng-sessiond [in > > > main() at main.c:4593] > > > DEBUG1: LTTng run directory path: /var/run/lttng [in main() at > > > main.c:4594] > > > DEBUG2: UST consumer 32 bits err path: > > > /var/run/lttng/ustconsumerd32/error [in main() at main.c:4603] > > > DEBUG2: UST consumer 32 bits cmd path: > > > /var/run/lttng/ustconsumerd32/command [in main() at main.c:4605] > > > DEBUG2: UST consumer 64 bits err path: > > > /var/run/lttng/ustconsumerd64/error [in main() at main.c:4614] > > > DEBUG2: UST consumer 64 bits cmd path: > > > /var/run/lttng/ustconsumerd64/command [in main() at main.c:4616] > > > Error: Already running daemon. > > > > Please kill the lttng-sessiond that is already started (the one with -d). > > Instead of that one, run the sessiond with: > > > > lttng-sessiond -vvv > > > > (don't run lttng-sessiond -d before) > > > > Thanks, > > > > Mathieu > > > > > > > > > > > > > > > > > Thanks in advance, > > > Pavan > > > > > > -----Original Message----- > > > From: Mathieu Desnoyers [mailto:[email protected]] > > > Sent: Friday, June 08, 2012 11:12 PM > > > To: Pavan Anumula > > > Cc: [email protected] > > > Subject: Re: [lttng-dev] Lttng start failed > > > > > > * Pavan Anumula ([email protected]) wrote: > > > > Hi , > > > > > > > > I am new to LTTng usage, I am trying to use LTTng 2.0.1 and > > > > LTTng-modules-2.0.2 for ARM(omapL138), with Linux kernel 2.6.33 wit > > > > RT-29 patch on it. > > > > > > > > After enabling all the kernel events I am facing the below errors. I > > > > loaded all the modules manually by insmod. > > > > > > > > > > > > > > > > root@arago:~/lttng-traces# arm-none-linux-gnueabi-lttng create > > > > newsessiom Session newsessiom created. > > > > Traces will be written in > > > > /home/root/lttng-traces/newsessiom-20110325-154922 > > > > > > > > root@arago:~/lttng-traces# arm-none-linux-gnueabi-lttng enable-event > > > > -a --kernel All kernel events are enabled in channel channel0 > > > > > > > > root@arago:~/lttng-traces# arm-none-linux-gnueabi-lttng start > > > > LTTng: Failure to write metadata to buffers (timeout) > > > > Error: Starting kernel trace failed > > > > > > > > Please kindly help me on this. > > > > > > I think you should look into the lttng-sessiond --help : > > > > > > --consumerd32-path PATH Specify path for the 32-bit UST > > > consumer daemon binary > > > --consumerd32-libdir PATH Specify path for the 32-bit UST > > > consumer daemon libraries > > > --consumerd64-path PATH Specify path for the 64-bit UST > > > consumer daemon binary > > > --consumerd64-libdir PATH Specify path for the 64-bit UST > > > consumer daemon libraries > > > > > > options. My guess is that lttng-sessiond is not able to find the > > > consumerd binary files, maybe due to a rename or because they have been > > > moved after install. > > > > > > One more thing that might help is to launch the lttng-sessiond with > > > "-vvv" : it will provide verbose output and let us know where things fall > > > apart. > > > > > > Thanks, > > > > > > Mathieu > > > > > > > > > > > > > > > > > > Thanks in advance, > > > > Pavan > > > > > > > > ________________________________ > > > > SASKEN BUSINESS DISCLAIMER: This message may contain confidential, > > > > proprietary or legally privileged information. In case you are not the > > > > original intended Recipient of the message, you must not, directly or > > > > indirectly, use, disclose, distribute, print, or copy any part of this > > > > message and you are requested to delete it and inform the sender. Any > > > > views expressed in this message are those of the individual sender > > > > unless otherwise stated. Nothing contained in this message shall be > > > > construed as an offer or acceptance of any offer by Sasken > > > > Communication Technologies Limited ("Sasken") unless sent with that > > > > express intent and with due authority of Sasken. Sasken has taken > > > > enough precautions to prevent the spread of viruses. However the > > > > company accepts no liability for any damage caused by any virus > > > > transmitted by this email. > > > > Read Disclaimer at http://www.sasken.com/extras/mail_disclaimer.html > > > > > > > _______________________________________________ > > > > lttng-dev mailing list > > > > [email protected] > > > > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > > > > > > > > > -- > > > Mathieu Desnoyers > > > Operating System Efficiency R&D Consultant EfficiOS Inc. > > > http://www.efficios.com > > > > -- > > Mathieu Desnoyers > > Operating System Efficiency R&D Consultant EfficiOS Inc. > > http://www.efficios.com > > -- > Mathieu Desnoyers > Operating System Efficiency R&D Consultant > EfficiOS Inc. > http://www.efficios.com -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
