Lines Matching +full:multi +full:- +full:subsystems

1 .\" SPDX-License-Identifier: BSD-2-Clause
31 .Nd Boot-time, run-time, and shutdown-time tracing facility
36 is a kernel-userspace interface for capturing trace events
38 .Pq in particular, one-shot events .
41 .Bl -bullet -compact
61 Events are stored in three event tables: boot-time events, run-time events,
62 and shutdown-time events.
63 .Bl -column "shutdown-time events" ""
65 .It boot-time events Ta Boot, kernel initialization, and
71 transitions into multi-user mode
73 .It run-time events Ta Xo
78 transitions to multi-user mode
81 .It shutdown-time events Ta Xo
92 .Bl -tag -width indent
114 .Bl -tag -width indent
116 Create a new trace event and write it to the boot-time table.
128 This is a read-only
135 Show the events stored in boot-time and run-time
144 but write to the run-time table.
148 but write to the shutdown-time table.
150 Log shutdown-time events to the console before the system halts.
152 Set a time threshold for logging shutdown-time events in milliseconds.
167 .Bd -literal -offset indent
177 .Bd -literal
204 …1   44882880          0 init                     multi-user start                             1   …
215 to diagnose slow devices and subsystems.