Hello, When I create a session and try to capture some kernel traces I see the following (first output from lttng-sessiond and then from the tracing session):
root@socfpga_cyclone5:~# lttng-sessiond -vvv DEBUG3 [300/300]: Creating LTTng run directory: /var/run/lttng (in create_lttng_rundir() at main.c:4297) DEBUG2 [300/300]: Kernel consumer err path: /var/run/lttng/kconsumerd/error (in main() at main.c:4638) DEBUG2 [300/300]: Kernel consumer cmd path: /var/run/lttng/kconsumerd/command (in main() at main.c:4640) DEBUG1 [300/300]: Client socket path /var/run/lttng/client-lttng-sessiond (in main() at main.c:4693) DEBUG1 [300/300]: Application socket path /var/run/lttng/lttng-ust-sock-5 (in main() at main.c:4694) DEBUG1 [300/300]: Application wait path /lttng-ust-wait-5 (in main() at main.c:4695) DEBUG1 [300/300]: LTTng run directory path: /var/run/lttng (in main() at main.c:4696) DEBUG2 [300/300]: UST consumer 32 bits err path: /var/run/lttng/ustconsumerd32/error (in main() at main.c:4705) DEBUG2 [300/300]: UST consumer 32 bits cmd path: /var/run/lttng/ustconsumerd32/command (in main() at main.c:4707) DEBUG2 [300/300]: UST consumer 64 bits err path: /var/run/lttng/ustconsumerd64/error (in main() at main.c:4716) DEBUG2 [300/300]: UST consumer 64 bits cmd path: /var/run/lttng/ustconsumerd64/command (in main() at main.c:4718) DEBUG3 [300/300]: Created hashtable size 4 at 0x71080 of type 1 (in lttng_ht_new() at hashtable.c:127) DEBUG3 [300/300]: Created hashtable size 4 at 0x711f0 of type 1 (in lttng_ht_new() at hashtable.c:127) DEBUG3 [300/300]: Created hashtable size 4 at 0x71398 of type 1 (in lttng_ht_new() at hashtable.c:127) DEBUG3 [300/300]: Created hashtable size 4 at 0x71540 of type 1 (in lttng_ht_new() at hashtable.c:127) DEBUG2 [300/300]: Creating consumer directory: /var/run/lttng/kconsumerd (in set_consumer_sockets() at main.c:4339) Warning: No tracing group detected DEBUG1 [300/300]: Modprobe successfully lttng-tracer (in modprobe_lttng_control() at modprobe.c:192) DEBUG2 [300/300]: Kernel tracer version validated (major version 2) (in kernel_validate_version() at kernel.c:704) DEBUG1 [300/300]: Modprobe successfully lttng-ftrace (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-kprobes (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-kretprobes (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-lib-ring-buffer (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-ring-buffer-client-discard (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-ring-buffer-client-overwrite (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-ring-buffer-metadata-client (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-ring-buffer-client-mmap-discard (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-ring-buffer-client-mmap-overwrite (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-ring-buffer-metadata-mmap-client (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-types (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-asoc (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-block (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-btrfs (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-compaction (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-ext3 (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-ext4 (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-gpio (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-irq (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-jbd (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-jbd2 (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-kmem (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-kvm (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-kvm-x86 (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-kvm-x86-mmu (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-lock (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-module (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-napi (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-net (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-power (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-printk (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-random (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-rcu (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-regmap (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-regulator (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-rpm (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-sched (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-scsi (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-signal (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-skb (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-sock (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-statedump (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-sunrpc (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-timer (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-udp (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-vmscan (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-workqueue (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Modprobe successfully lttng-probe-writeback (in modprobe_lttng_data() at modprobe.c:228) DEBUG1 [300/300]: Kernel tracer fd 6 (in init_kernel_tracer() at main.c:2398) DEBUG2 [300/300]: Creating consumer directory: /var/run/lttng/ustconsumerd64 (in set_consumer_sockets() at main.c:4339) DEBUG2 [300/300]: Creating consumer directory: /var/run/lttng/ustconsumerd32 (in set_consumer_sockets() at main.c:4339) DEBUG3 [300/300]: Session daemon client socket 9 and application socket 10 created (in init_daemon_socket() at main.c:4205) DEBUG1 [300/300]: All permissions are set (in set_permissions() at main.c:4285) DEBUG3 [300/300]: Created hashtable size 4 at 0x726e0 of type 2 (in lttng_ht_new() at hashtable.c:127) DEBUG3 [300/300]: Global buffer per UID registry initialized (in buffer_reg_init_uid_registry() at buffer-registry.c:99) DEBUG3 [300/300]: Created hashtable size 4 at 0x72868 of type 2 (in lttng_ht_new() at hashtable.c:127) DEBUG3 [300/300]: Global buffer per PID registry initialized (in buffer_reg_init_pid_registry() at buffer-registry.c:220) DEBUG1 [300/300]: epoll set max size is 89088 (in compat_epoll_set_max_size() at compat-epoll.c:290) DEBUG1 [300/300]: Command subsystem initialized (in cmd_init() at cmd.c:3110) DEBUG1 [300/300]: Pid 300 written in file /var/run/lttng/lttng-sessiond.pid (in utils_create_pid_file() at utils.c:465) DEBUG1 [300/300]: Pid 5345 written in file /var/run/lttng/jul.port (in utils_create_pid_file() at utils.c:465) DEBUG1 [300/300]: TCP inet operation timeout set to 216 sec (in lttcomm_inet_init() at inet.c:529) DEBUG1 [300/300]: Health check time delta in seconds set to 236 (in health_init() at health.c:73) DEBUG1 [300/399]: [ht-thread] startup. (in thread_ht_cleanup() at ht-cleanup.c:36) DEBUG1 [300/401]: [thread] Manage client started (in thread_manage_clients() at main.c:3731) DEBUG3 [300/399]: [ht-thread] Polling on 2 fds. (in thread_ht_cleanup() at ht-cleanup.c:64) DEBUG1 [300/400]: [thread] Manage health check started (in thread_manage_health() at main.c:3545) DEBUG1 [300/402]: [thread] Dispatch UST command started (in thread_dispatch_ust_registration() at main.c:1577) DEBUG1 [300/404]: [thread] Manage application started (in thread_manage_apps() at main.c:1291) DEBUG1 [300/402]: Futex n to 1 prepare done (in futex_nto1_prepare() at futex.c:75) DEBUG1 [300/402]: Woken up but nothing in the UST command queue (in thread_dispatch_ust_registration() at main.c:1600) DEBUG1 [300/404]: Apps thread polling on 2 fds (in thread_manage_apps() at main.c:1321) DEBUG1 [300/403]: [thread] Manage application registration started (in thread_registration_apps() at main.c:1801) DEBUG1 [300/405]: [ust-thread] Manage application notify command (in ust_thread_manage_notify() at ust-thread.c:39) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG3 [300/405]: [ust-thread] Manage notify polling on 2 fds (in ust_thread_manage_notify() at ust-thread.c:68) DEBUG1 [300/406]: [jul-thread] Manage JUL application registration. (in jul_thread_manage_registration() at jul-thread.c:258) DEBUG1 [300/400]: Health check ready (in thread_manage_health() at main.c:3610) DEBUG3 [300/406]: URI string: tcp://localhost (in uri_parse() at uri.c:291) DEBUG1 [300/403]: Notifying applications of session daemon state: 1 (in notify_ust_apps() at main.c:628) DEBUG1 [300/403]: Got the wait shm fd 28 (in get_wait_shm() at shm.c:115) DEBUG1 [300/403]: Futex wait update active 1 (in futex_wait_update() at futex.c:63) DEBUG1 [300/403]: Accepting application registration (in thread_registration_apps() at main.c:1838) DEBUG1 [300/407]: [thread] Thread manage kernel started (in thread_manage_kernel() at main.c:829) DEBUG1 [300/407]: Updating kernel poll set (in update_kernel_poll() at main.c:689) DEBUG1 [300/407]: Thread kernel polling on 2 fds (in thread_manage_kernel() at main.c:874) DEBUG2 [300/406]: IP address resolved to 127.0.0.1 (in set_ip_address() at uri.c:132) DEBUG3 [300/406]: URI dtype: 1, proto: 1, host: localhost, subdir: , ctrl: 0, data: 0 (in uri_parse() at uri.c:505) DEBUG1 [300/406]: [jul-thread] Listening on TCP port 5345 and socket 27 (in init_tcp_socket() at jul-thread.c:156) DEBUG3 [300/406]: [jul-thread] Manage JUL polling on 2 fds (in jul_thread_manage_registration() at jul-thread.c:286) libphy: stmmac-1:01 - Link is Down libphy: stmmac-1:01 - Link is Up - 1000/Full IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3864) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3864) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3864) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Processing client command 8 (in process_client_msg() at main.c:2637) DEBUG1 [300/401]: Waiting for 1 URIs from client ... (in process_client_msg() at main.c:3201) DEBUG2 [300/401]: Trying to find session by name auto-20150313-151645 (in session_find_by_name() at session.c:169) DEBUG3 [300/401]: Created hashtable size 4 at 0x74105a68 of type 1 (in lttng_ht_new() at hashtable.c:127) DEBUG1 [300/401]: Tracing session auto-20150313-151645 created with ID 0 by UID 0 GID 0 (in session_create() at session.c:276) DEBUG2 [300/401]: Trying to find session by name auto-20150313-151645 (in session_find_by_name() at session.c:169) DEBUG3 [300/401]: Created hashtable size 4 at 0x7410ac50 of type 1 (in lttng_ht_new() at hashtable.c:127) DEBUG2 [300/401]: Setting trace directory path from URI to /home/root/lttng-traces/auto-20150313-151645 (in add_uri_to_consumer() at cmd.c:481) DEBUG1 [300/401]: Sending response (size: 16, retcode: Success) (in thread_manage_clients() at main.c:3909) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3864) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Processing client command 16 (in process_client_msg() at main.c:2637) DEBUG1 [300/401]: Getting session auto-20150313-151645 by name (in process_client_msg() at main.c:2716) DEBUG2 [300/401]: Trying to find session by name auto-20150313-151645 (in session_find_by_name() at session.c:169) DEBUG1 [300/401]: Sending response (size: 16, retcode: No channel found in the session) (in thread_manage_clients() at main.c:3909) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3864) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Processing client command 17 (in process_client_msg() at main.c:2637) DEBUG1 [300/401]: Getting session auto-20150313-151645 by name (in process_client_msg() at main.c:2716) DEBUG2 [300/401]: Trying to find session by name auto-20150313-151645 (in session_find_by_name() at session.c:169) DEBUG1 [300/401]: Sending response (size: 16, retcode: Tracing already stopped) (in thread_manage_clients() at main.c:3909) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Processing client command 24 (in process_client_msg() at main.c:2637) DEBUG1 [300/401]: Getting session auto-20150313-151645 by name (in process_client_msg() at main.c:2716) DEBUG2 [300/401]: Trying to find session by name auto-20150313-151645 (in session_find_by_name() at session.c:169) DEBUG1 [300/401]: Sending response (size: 16, retcode: Unknown error code) (in thread_manage_clients() at main.c:3909) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3864) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Processing client command 9 (in process_client_msg() at main.c:2637) DEBUG1 [300/401]: Getting session auto-20150313-151645 by name (in process_client_msg() at main.c:2716) DEBUG2 [300/401]: Trying to find session by name auto-20150313-151645 (in session_find_by_name() at session.c:169) DEBUG3 [300/401]: No kernel session when tearing down session (in kernel_destroy_session() at kernel.c:755) DEBUG1 [300/401]: Destroying session auto-20150313-151645 (in session_destroy() at session.c:194) DEBUG1 [300/401]: Sending response (size: 16, retcode: Success) (in thread_manage_clients() at main.c:3909) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/407]: Updating kernel poll set (in update_kernel_poll() at main.c:689) DEBUG1 [300/407]: Thread kernel polling on 2 fds (in thread_manage_kernel() at main.c:874) DEBUG3 [300/399]: [ht-thread] Polling on 2 fds. (in thread_ht_cleanup() at ht-cleanup.c:64) DEBUG3 [300/399]: [ht-thread] Polling on 2 fds. (in thread_ht_cleanup() at ht-cleanup.c:64) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3864) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Processing client command 8 (in process_client_msg() at main.c:2637) DEBUG1 [300/401]: Waiting for 1 URIs from client ... (in process_client_msg() at main.c:3201) DEBUG2 [300/401]: Trying to find session by name auto-20150313-151806 (in session_find_by_name() at session.c:169) DEBUG3 [300/401]: Created hashtable size 4 at 0x74105a68 of type 1 (in lttng_ht_new() at hashtable.c:127) DEBUG1 [300/401]: Tracing session auto-20150313-151806 created with ID 1 by UID 0 GID 0 (in session_create() at session.c:276) DEBUG2 [300/401]: Trying to find session by name auto-20150313-151806 (in session_find_by_name() at session.c:169) DEBUG3 [300/401]: Created hashtable size 4 at 0x7410ac50 of type 1 (in lttng_ht_new() at hashtable.c:127) DEBUG2 [300/401]: Setting trace directory path from URI to /home/root/lttng-traces/auto-20150313-151806 (in add_uri_to_consumer() at cmd.c:481) DEBUG1 [300/401]: Sending response (size: 16, retcode: Success) (in thread_manage_clients() at main.c:3909) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3864) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Processing client command 16 (in process_client_msg() at main.c:2637) DEBUG1 [300/401]: Getting session auto-20150313-151806 by name (in process_client_msg() at main.c:2716) DEBUG2 [300/401]: Trying to find session by name auto-20150313-151806 (in session_find_by_name() at session.c:169) DEBUG1 [300/401]: Sending response (size: 16, retcode: No channel found in the session) (in thread_manage_clients() at main.c:3909) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3864) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Processing client command 17 (in process_client_msg() at main.c:2637) DEBUG1 [300/401]: Getting session auto-20150313-151806 by name (in process_client_msg() at main.c:2716) DEBUG2 [300/401]: Trying to find session by name auto-20150313-151806 (in session_find_by_name() at session.c:169) DEBUG1 [300/401]: Sending response (size: 16, retcode: Tracing already stopped) (in thread_manage_clients() at main.c:3909) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Processing client command 24 (in process_client_msg() at main.c:2637) DEBUG1 [300/401]: Getting session auto-20150313-151806 by name (in process_client_msg() at main.c:2716) DEBUG2 [300/401]: Trying to find session by name auto-20150313-151806 (in session_find_by_name() at session.c:169) DEBUG1 [300/401]: Sending response (size: 16, retcode: Unknown error code) (in thread_manage_clients() at main.c:3909) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Nothing recv() from client... continuing (in thread_manage_clients() at main.c:3864) DEBUG1 [300/401]: Clean command context structure (in clean_command_ctx() at main.c:608) DEBUG1 [300/401]: Accepting client command ... (in thread_manage_clients() at main.c:3773) DEBUG1 [300/401]: Wait for client response (in thread_manage_clients() at main.c:3815) DEBUG1 [300/401]: Receiving data from client ... (in thread_manage_clients() at main.c:3860) DEBUG1 [300/401]: Processing client command 8 (in process_client_msg() at main.c:2637) DEBUG1 [300/401]: Waiting for 1 URIs from client ... (in process_client_msg() at main.c:3201) DEBUG2 [300/401]: Trying to find session by name auto-20150313-152018 (in session_find_by_name() at session.c:169) DEBUG3 [300/401]: Created hashtable size 4 at 0x7410afc8 of type 1 (in lttng_ht_new() at hashtable.c:127) DEBUG1 [300/401]: Tracing session auto-20150313-152018 created with ID 2 by UID 0 GID 0 (in session_create() at session.c:276) DEBUG2 [300/401]: Trying to find session by name auto-20150313-152018 (in session_find_by_name() at session.c:169) DEBUG3 [300/401]: Created hashtable size 4 at 0x741101b0 of type 1 (in lttng_ht_new() at hashtable.c:127) DEBUG2 [300/401]: Setting trace directory path from URI to /home/root/lttng-traces/auto-20150313-152018 (in add_uri_to_consumer() at cmd.c:481) Here is the session: root@socfpga_cyclone5:~# lttng start PERROR [528/533]: kernctl_get_timestamp_begin: Inappropriate ioctl for device (in get_index_values() at kernel-consumer.c:973) Tracing started for session auto-20150313-151441 root@socfpga_cyclone5:~# PERROR [528/533]: kernctl_get_timestamp_begin: Inappropriate ioctl for device (in get_index_values() at kernel-consumer.c:973) root@socfpga_cyclone5:~# lttng stop Waiting for data availability Tracing stopped for session auto-20150313-151441 root@socfpga_cyclone5:~# ls -Rl .: drwxrwx--- 3 root root 4096 Mar 13 15:14 lttng-traces ./lttng-traces: drwxrwx--- 3 root root 4096 Mar 13 15:14 auto-20150313-151441 ./lttng-traces/auto-20150313-151441: drwxrwx--- 3 root root 4096 Mar 13 15:14 kernel ./lttng-traces/auto-20150313-151441/kernel: -rw-rw---- 1 root root 0 Mar 13 15:14 channel0_0 -rw-rw---- 1 root root 0 Mar 13 15:14 channel0_1 drwxrwx--- 2 root root 4096 Mar 13 15:14 index -rw-rw---- 1 root root 221184 Mar 13 15:14 metadata ./lttng-traces/auto-20150313-151441/kernel/index: -rw-rw---- 1 root root 16 Mar 13 15:14 channel0_0.idx -rw-rw---- 1 root root 16 Mar 13 15:14 channel0_1.idx I am using the following version of LTTng: nbryan@meteor:/data/nbryan/Meteor/YoctoDaisy/poky/meta/recipes-kernel/lttng$ ls -1 babeltrace_1.1.1.bb lttng-modules lttng-modules_2.3.3.bb lttng-modules_2.4.2.bb lttng-tools lttng-tools_2.3.1.bb lttng-tools_2.4.0.bb lttng-ust lttng-ust_2.3.1.bb lttng-ust_2.4.0.bb Thank you for any clues, Regards, Neil.
_______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
