root@/tmp # lttng start Tracing started for session b root@/tmp # LTTNG_UST_DEBUG=1 ./sample ./sample: error while loading shared libraries: liblttng-ust.so.0: cannot open shared object file: No such file or directory root@/tmp # export LD_LIBRARY_PATH=/tmp/lttng-build-root/lib root@/tmp # LTTNG_UST_DEBUG=1 ./sample libust[22885/22885]: LTT : ltt ring buffer client "relay-metadata-mmap" init (in lttng_ring_buffer_metadata_client_init() at lttng-ring-buffer-metadata-client.h:314) libust[22885/22885]: LTT : ltt ring buffer client "relay-overwrite-mmap" init (in lttng_ring_buffer_client_overwrite_init() at lttng-ring-buffer-client.h:563) libust[22885/22885]: LTT : ltt ring buffer client "relay-overwrite-rt-mmap" init (in lttng_ring_buffer_client_overwrite_rt_init() at lttng-ring-buffer-client.h:563) libust[22885/22885]: LTT : ltt ring buffer client "relay-discard-mmap" init (in lttng_ring_buffer_client_discard_init() at lttng-ring-buffer-client.h:563) libust[22885/22885]: LTT : ltt ring buffer client "relay-discard-rt-mmap" init (in lttng_ring_buffer_client_discard_rt_init() at lttng-ring-buffer-client.h:563) libust[22885/22886]: Info: sessiond not accepting connections to global apps socket (in ust_listener_thread() at lttng-ust-comm.c:988) libust[22885/22887]: Info: sessiond not accepting connections to local apps socket (in ust_listener_thread() at lttng-ust-comm.c:988) libust[22885/22886]: Waiting for global apps sessiond (in wait_for_sessiond() at lttng-ust-comm.c:899) libust[22885/22886]: Info: sessiond not accepting connections to global apps socket (in ust_listener_thread() at lttng-ust-comm.c:988) liblttng_ust_tracepoint[22885/22885]: just registered a tracepoints section from 0x603138 and having 1 tracepoints (in tracepoint_register_lib() at tracepoint.c:758) liblttng_ust_tracepoint[22885/22885]: registered tracepoint: sample_component:message (in tracepoint_register_lib() at tracepoint.c:763) libust[22885/22885]: Provider "sample_component" accepted, version 1.0 is compatible with LTTng UST provider version 1.0. (in check_provider_version() at lttng-probes.c:174) libust[22885/22885]: adding probe sample_component containing 1 events to lazy registration list (in lttng_probe_register() at lttng-probes.c:216) libust[22885/22886]: Waiting for global apps sessiond (in wait_for_sessiond() at lttng-ust-comm.c:899) libust[22885/22887]: Waiting for local apps sessiond (in wait_for_sessiond() at lttng-ust-comm.c:899) libust[22885/22886]: Info: sessiond not accepting connections to global apps socket (in ust_listener_thread() at lttng-ust-comm.c:988) libust[22885/22886]: Waiting for global apps sessiond (in wait_for_sessiond() at lttng-ust-comm.c:899) libust[22885/22885]: Provider "sample_component" accepted, version 1.0 is compatible with LTTng UST provider version 1.0. (in check_provider_version() at lttng-probes.c:174) libust[22885/22885]: just unregistered probe sample_component (in lttng_probe_unregister() at lttng-probes.c:245) liblttng_ust_tracepoint[22885/22885]: just unregistered a tracepoints section from 0x603138 (in tracepoint_unregister_lib() at tracepoint.c:788) libust[22885/22885]: LTT : ltt ring buffer client "relay-discard-rt-mmap" exit (in lttng_ring_buffer_client_discard_rt_exit() at lttng-ring-buffer-client.h:570) libust[22885/22885]: LTT : ltt ring buffer client "relay-discard-mmap" exit (in lttng_ring_buffer_client_discard_exit() at lttng-ring-buffer-client.h:570) libust[22885/22885]: LTT : ltt ring buffer client "relay-overwrite-rt-mmap" exit (in lttng_ring_buffer_client_overwrite_rt_exit() at lttng-ring-buffer-client.h:570) libust[22885/22885]: LTT : ltt ring buffer client "relay-overwrite-mmap" exit (in lttng_ring_buffer_client_overwrite_exit() at lttng-ring-buffer-client.h:570) libust[22885/22885]: LTT : ltt ring buffer client "relay-metadata-mmap" exit (in lttng_ring_buffer_metadata_client_exit() at lttng-ring-buffer-metadata-client.h:321) root@/tmp # lttng stop Waiting for data availability Tracing stopped for session b root@/tmp # lttng destroy Session b destroyed root@/tmp #