# ./ubuntu_lttng_smoke_test.sh 
== lttng smoke test of session create/destroy ==
Spawning a session daemon
Session test-kernel-session created.
Traces will be written in /tmp/lttng-kernel-trace-3936-session
PASSED (lttng create)
Session test-kernel-session destroyed
PASSED (lttng destroy)
 
== lttng smoke test list kernel events ==
PASSED (lttng list --kernel)
Error: Unable to list system calls: Not enough memory
Error: Command error
FAILED (lttng list --kernel --syscall)
FAILED (lttng list --kernel --syscall more output expected)
 
== lttng smoke test trace open/close system calls ==
Session test-kernel-session created.
Traces will be written in /tmp/lttng-kernel-trace-3936-session
PASSED (lttng create)
Kernel event open created in channel channel0
Kernel event openat created in channel channel0
Kernel event close created in channel channel0
PASSED (lttng enable-event)
Tracing started for session test-kernel-session
PASSED (lttng start)
Waiting for data availability.
Tracing stopped for session test-kernel-session
PASSED (lttng stop)
Session test-kernel-session destroyed
PASSED (lttng destroy)
FAILED (did not trace any open system calls)
 
== lttng smoke test trace context switches ==
Session test-kernel-session created.
Traces will be written in /tmp/lttng-kernel-trace-3936-session
PASSED (lttng create)
Kernel event sched_switch created in channel channel0
PASSED (lttng enable-event)
Tracing started for session test-kernel-session
PASSED (lttng start)
Waiting for data availability.
[warning] 512 events discarded, please refer to the documentation on channel configuration.
Tracing stopped for session test-kernel-session
PASSED (lttng stop)
Session test-kernel-session destroyed
PASSED (lttng destroy)
[warning] Tracer discarded 512 events between [06:44:30.320917710] and [06:44:30.361889921] in trace UUID 3d225761e380224fae4a39de86533d50, at path: "/tmp/lttng-kernel-trace-3936-session/kernel", within stream id 0, at relative path: "channel0_6". You should consider recording a new trace with larger buffers or with fewer events enabled.
Found 20766 dd and 44791 context switches
PASSED (simple system call tracing with babeltrace)
 
Summary: 13 passed, 2 failed