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 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:mathieu.desnoy...@efficios.com] Sent: Saturday, June 09, 2012 6:03 PM To: Pavan Anumula Cc: lttng-dev@lists.lttng.org Subject: Re: [lttng-dev] Lttng start failed * Pavan Anumula (pavan.anum...@sasken.com) 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:mathieu.desnoy...@efficios.com] > Sent: Friday, June 08, 2012 11:12 PM > To: Pavan Anumula > Cc: lttng-dev@lists.lttng.org > Subject: Re: [lttng-dev] Lttng start failed > > * Pavan Anumula (pavan.anum...@sasken.com) 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 > > lttng-dev@lists.lttng.org > > 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 _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
