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Bug #687 » CrashLog.txt

Crash log of lttng-sessiond - Daniel U. Thibault, 11/19/2013 10:34 AM

 
$ sudo lttng-sessiond -v
DEBUG3 [20014/20014]: Creating LTTng run directory: /var/run/lttng (in create_lttng_rundir() at main.c:4170)
DEBUG1 [20014/20014]: Client socket path /var/run/lttng/client-lttng-sessiond (in main() at main.c:4522)
DEBUG1 [20014/20014]: Application socket path /var/run/lttng/lttng-ust-sock-5 (in main() at main.c:4523)
DEBUG1 [20014/20014]: Application wait path /lttng-ust-wait-5 (in main() at main.c:4524)
DEBUG1 [20014/20014]: LTTng run directory path: /var/run/lttng (in main() at main.c:4525)
DEBUG3 [20014/20014]: Created hashtable size 4 at 0x18900a0 of type 1 (in lttng_ht_new() at hashtable.c:112)
DEBUG3 [20014/20014]: Created hashtable size 4 at 0x1890440 of type 1 (in lttng_ht_new() at hashtable.c:112)
DEBUG3 [20014/20014]: Created hashtable size 4 at 0x1890800 of type 1 (in lttng_ht_new() at hashtable.c:112)
DEBUG1 [20014/20014]: Modprobe successfully lttng-tracer (in modprobe_lttng_control() at modprobe.c:192)
DEBUG1 [20014/20014]: Modprobe successfully lttng-ftrace (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-kprobes (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-kretprobes (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-lib-ring-buffer (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-ring-buffer-client-discard (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-ring-buffer-client-overwrite (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-ring-buffer-metadata-client (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-ring-buffer-client-mmap-discard (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-ring-buffer-client-mmap-overwrite (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-ring-buffer-metadata-mmap-client (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-types (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-asoc (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-block (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-btrfs (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-compaction (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-ext3 (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-ext4 (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-gpio (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-irq (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-jbd (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-jbd2 (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-kmem (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-kvm (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-kvm-x86 (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-kvm-x86-mmu (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-lock (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-module (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-napi (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-net (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-power (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-printk (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-random (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-rcu (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-regmap (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-regulator (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-rpm (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-sched (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-scsi (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-signal (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-skb (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-sock (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-statedump (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-sunrpc (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-timer (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-udp (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-vmscan (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-workqueue (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Modprobe successfully lttng-probe-writeback (in modprobe_lttng_data() at modprobe.c:228)
DEBUG1 [20014/20014]: Kernel tracer fd 6 (in init_kernel_tracer() at main.c:2342)
DEBUG1 [20014/20014]: Signal handler set for SIGTERM, SIGPIPE and SIGINT (in set_signal_handler() at main.c:4314)
DEBUG3 [20014/20014]: Session daemon client socket 9 and application socket 10 created (in init_daemon_socket() at main.c:4075)
DEBUG1 [20014/20014]: All permissions are set (in set_permissions() at main.c:4158)
DEBUG3 [20014/20014]: Created hashtable size 4 at 0x1893250 of type 2 (in lttng_ht_new() at hashtable.c:112)
DEBUG3 [20014/20014]: Global buffer per UID registry initialized (in buffer_reg_init_uid_registry() at buffer-registry.c:99)
DEBUG3 [20014/20014]: Created hashtable size 4 at 0x1893610 of type 2 (in lttng_ht_new() at hashtable.c:112)
DEBUG3 [20014/20014]: Global buffer per PID registry initialized (in buffer_reg_init_pid_registry() at buffer-registry.c:220)
DEBUG1 [20014/20014]: epoll set max size is 205168 (in compat_epoll_set_max_size() at compat-epoll.c:274)
DEBUG1 [20014/20014]: Command subsystem initialized (in cmd_init() at cmd.c:2847)
DEBUG1 [20014/20014]: Pid 20014 written in file /var/run/lttng/lttng-sessiond.pid (in utils_create_pid_file() at utils.c:280)
DEBUG1 [20014/20014]: TCP inet operation timeout set to 180 sec (in lttcomm_inet_init() at inet.c:523)
DEBUG1 [20014/20014]: Health check time delta in seconds set to 200 (in health_init() at health.c:272)
DEBUG1 [20014/20119]: [ust-thread] Manage application notify command (in ust_thread_manage_notify() at ust-thread.c:37)
DEBUG3 [20014/20119]: [ust-thread] Manage notify polling on 2 fds (in ust_thread_manage_notify() at ust-thread.c:61)
DEBUG1 [20014/20120]: [thread] Thread manage kernel started (in thread_manage_kernel() at main.c:756)
DEBUG1 [20014/20120]: Updating kernel poll set (in update_kernel_poll() at main.c:616)
DEBUG1 [20014/20120]: Thread kernel polling on 2 fds (in thread_manage_kernel() at main.c:801)
DEBUG1 [20014/20118]: [thread] Manage application started (in thread_manage_apps() at main.c:1218)
DEBUG1 [20014/20118]: Apps thread polling on 2 fds (in thread_manage_apps() at main.c:1248)
DEBUG1 [20014/20117]: [thread] Manage application registration started (in thread_registration_apps() at main.c:1744)
DEBUG1 [20014/20117]: Notifying applications of session daemon state: 1 (in notify_ust_apps() at main.c:555)
DEBUG1 [20014/20117]: Got the wait shm fd 23 (in get_wait_shm() at shm.c:119)
DEBUG1 [20014/20117]: Futex wait update active 1 (in futex_wait_update() at futex.c:63)
DEBUG1 [20014/20117]: Accepting application registration (in thread_registration_apps() at main.c:1781)
DEBUG1 [20014/20116]: [thread] Dispatch UST command started (in thread_dispatch_ust_registration() at main.c:1521)
DEBUG1 [20014/20116]: Futex n to 1 prepare done (in futex_nto1_prepare() at futex.c:75)
DEBUG1 [20014/20116]: Woken up but nothing in the UST command queue (in thread_dispatch_ust_registration() at main.c:1544)
DEBUG1 [20014/20115]: [thread] Manage client started (in thread_manage_clients() at main.c:3621)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20114]: [thread] Manage health check started (in thread_manage_health() at main.c:3418)
DEBUG1 [20014/20114]: Health check ready (in thread_manage_health() at main.c:3460)
DEBUG1 [20014/20113]: [ht-thread] startup. (in thread_ht_cleanup() at ht-cleanup.c:34)
DEBUG3 [20014/20113]: [ht-thread] Polling on 2 fds. (in thread_ht_cleanup() at ht-cleanup.c:58)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3758)
DEBUG1 [20014/20115]: Clean command context structure (in clean_command_ctx() at main.c:535)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3758)
DEBUG1 [20014/20115]: Clean command context structure (in clean_command_ctx() at main.c:535)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3758)
DEBUG1 [20014/20115]: Clean command context structure (in clean_command_ctx() at main.c:535)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Processing client command 8 (in process_client_msg() at main.c:2578)
DEBUG1 [20014/20115]: Waiting for 1 URIs from client ... (in process_client_msg() at main.c:3073)
DEBUG3 [20014/20115]: Created hashtable size 4 at 0x7f9c44005ea0 of type 1 (in lttng_ht_new() at hashtable.c:112)
DEBUG1 [20014/20115]: Tracing session krpso created with ID 0 by UID 1000 GID 1000 (in session_create() at session.c:224)
DEBUG3 [20014/20115]: Created hashtable size 4 at 0x7f9c4400b2b0 of type 1 (in lttng_ht_new() at hashtable.c:112)
DEBUG1 [20014/20115]: Sending response (size: 16, retcode: Success) (in thread_manage_clients() at main.c:3803)
DEBUG1 [20014/20115]: Clean command context structure (in clean_command_ctx() at main.c:535)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3758)
DEBUG1 [20014/20115]: Clean command context structure (in clean_command_ctx() at main.c:535)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3758)
DEBUG1 [20014/20115]: Clean command context structure (in clean_command_ctx() at main.c:535)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3758)
DEBUG1 [20014/20115]: Clean command context structure (in clean_command_ctx() at main.c:535)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Processing client command 6 (in process_client_msg() at main.c:2578)
DEBUG1 [20014/20115]: Getting session krpso by name (in process_client_msg() at main.c:2655)
DEBUG1 [20014/20115]: Creating kernel session (in create_kernel_session() at main.c:2494)
DEBUG3 [20014/20115]: Created hashtable size 4 at 0x7f9c44003d40 of type 1 (in lttng_ht_new() at hashtable.c:112)
DEBUG1 [20014/20115]: Kernel session created (fd: 28) (in kernel_create_session() at kernel.c:109)
DEBUG3 [20014/20115]: Copying tracing session consumer output in kernel session (in copy_session_consumer() at main.c:2392)
DEBUG3 [20014/20115]: Created hashtable size 4 at 0x7f9c44004100 of type 1 (in lttng_ht_new() at hashtable.c:112)
DEBUG3 [20014/20115]: Copy session consumer subdir /kernel (in copy_session_consumer() at main.c:2427)
DEBUG3 [20014/20115]: mkdir() recursive /home/daniel/lttng-traces/krpso-20131119-095940 with mode 504 for uid 1000 and gid 1000 (in run_as_mkdir_recursive() at runas.c:310)
DEBUG1 [20014/20115]: Using run_as_clone (in run_as() at runas.c:293)
DEBUG3 [20014/20113]: [ht-thread] Polling on 2 fds. (in thread_ht_cleanup() at ht-cleanup.c:58)
DEBUG1 [20014/20115]: Spawning consumerd (in spawn_consumerd() at main.c:2086)
DEBUG1 [20014/20128]: [thread] Manage consumer started (in thread_manage_consumer() at main.c:922)
DEBUG3 [20127/20127]: Looking for a kernel consumer at these locations: (in spawn_consumerd() at main.c:2105)
DEBUG3 [20127/20127]: 1) /usr/local/lib/lttng/libexec/lttng-consumerd (in spawn_consumerd() at main.c:2106)
DEBUG3 [20127/20127]: 2) /usr/local/lib/lttng/libexec/lttng-consumerd (in spawn_consumerd() at main.c:2107)
DEBUG3 [20127/20127]: 3) /usr/local/lib32/lttng/libexec/lttng-consumerd (in spawn_consumerd() at main.c:2108)
DEBUG3 [20127/20127]: Found location #1 (in spawn_consumerd() at main.c:2110)
DEBUG1 [20127/20127]: Using kernel consumer at: /usr/local/lib/lttng/libexec/lttng-consumerd (in spawn_consumerd() at main.c:2122)
DEBUG1 [20014/20128]: Consumer command socket ready (fd: 31 (in thread_manage_consumer() at main.c:1042)
DEBUG1 [20014/20128]: Consumer metadata socket ready (fd: 32) (in thread_manage_consumer() at main.c:1044)
DEBUG3 [20014/20115]: Consumer socket created (fd: 31) and added to output (in consumer_create_socket() at consumer.c:298)
DEBUG1 [20014/20115]: Setting relayd for session krpso (in cmd_setup_relayd() at cmd.c:665)
DEBUG1 [20014/20115]: Trying to find channel channel0 (in trace_kernel_get_channel_by_name() at trace-kernel.c:48)
DEBUG1 [20014/20115]: Enabling channel for session krpso (in cmd_enable_channel() at cmd.c:849)
DEBUG1 [20014/20115]: Trying to find channel channel0 (in trace_kernel_get_channel_by_name() at trace-kernel.c:48)
DEBUG3 [20014/20115]: Kernel create channel with attr: 0, 262144, 4, 0, 200000, 0 (in kernel_create_channel() at kernel.c:143)
DEBUG1 [20014/20115]: Kernel channel channel0 created (fd: 33) (in kernel_create_channel() at kernel.c:165)
DEBUG1 [20014/20115]: Kernel quiescent wait on 6 (in kernel_wait_quiescent() at kernel.c:429)
DEBUG1 [20014/20115]: Trying to find channel channel0 (in trace_kernel_get_channel_by_name() at trace-kernel.c:48)
DEBUG1 [20014/20115]: Found channel by name channel0 (in trace_kernel_get_channel_by_name() at trace-kernel.c:52)
DEBUG1 [20014/20115]: Event krpso created (fd: 34) (in kernel_create_event() at kernel.c:236)
DEBUG1 [20014/20120]: Updating kernel poll set (in update_kernel_poll() at main.c:616)
DEBUG1 [20014/20115]: Kernel quiescent wait on 6 (in kernel_wait_quiescent() at kernel.c:429)
DEBUG1 [20014/20120]: Channel fd 33 added to kernel set (in update_kernel_poll() at main.c:634)
DEBUG1 [20014/20120]: Thread kernel polling on 3 fds (in thread_manage_kernel() at main.c:801)
DEBUG1 [20014/20120]: Updating kernel streams for channel fd 33 (in update_kernel_stream() at main.c:660)
DEBUG1 [20014/20120]: Channel found, updating kernel streams (in update_kernel_stream() at main.c:673)
DEBUG1 [20014/20120]: Kernel stream channel0_0 created (fd: 35, state: 0) (in kernel_open_channel_stream() at kernel.c:562)
DEBUG1 [20014/20120]: Thread kernel polling on 3 fds (in thread_manage_kernel() at main.c:801)
DEBUG1 [20014/20115]: Sending response (size: 16, retcode: Success) (in thread_manage_clients() at main.c:3803)
DEBUG1 [20014/20115]: Clean command context structure (in clean_command_ctx() at main.c:535)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3758)
DEBUG1 [20014/20115]: Clean command context structure (in clean_command_ctx() at main.c:535)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3758)
DEBUG1 [20014/20115]: Clean command context structure (in clean_command_ctx() at main.c:535)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3758)
DEBUG1 [20014/20115]: Clean command context structure (in clean_command_ctx() at main.c:535)
DEBUG1 [20014/20115]: Accepting client command ... (in thread_manage_clients() at main.c:3667)
DEBUG1 [20014/20115]: Wait for client response (in thread_manage_clients() at main.c:3709)
DEBUG1 [20014/20115]: Receiving data from client ... (in thread_manage_clients() at main.c:3754)
DEBUG1 [20014/20115]: Processing client command 6 (in process_client_msg() at main.c:2578)
DEBUG1 [20014/20115]: Getting session krpso by name (in process_client_msg() at main.c:2655)
DEBUG3 [20014/20115]: Consumer socket created (fd: 31) and added to output (in consumer_create_socket() at consumer.c:298)
DEBUG1 [20014/20115]: Setting relayd for session krpso (in cmd_setup_relayd() at cmd.c:665)
DEBUG1 [20014/20115]: Trying to find channel channel0 (in trace_kernel_get_channel_by_name() at trace-kernel.c:48)
DEBUG1 [20014/20115]: Found channel by name channel0 (in trace_kernel_get_channel_by_name() at trace-kernel.c:52)
DEBUG1 [20014/20115]: Trying to find channel channel0 (in trace_kernel_get_channel_by_name() at trace-kernel.c:48)
DEBUG1 [20014/20115]: Found channel by name channel0 (in trace_kernel_get_channel_by_name() at trace-kernel.c:52)
DEBUG1 [20014/20115]: Event k created (fd: 36) (in k() at kernel.c:236)
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