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31 .Nd trace command execution with
35 .Ar utility Op Ar argument ...
40 executes the specified
44 trace entries before and after its execution.
48 environment variable is used to locate the requested
50 if the name contains no
56 was executed successfully, its exit status is returned.
60 was found but could not be executed, an exit status of 126 is returned.
63 could not be found, an exit status of 127 is returned.
67 utility, logging the trace entries:
68 .Bd -literal -offset indent
69 $ boottrace dumpon -z /dev/gpt/swap0
72 This will appear in the output of the
73 .Va kern.boottrace.log
77 CPU msecs delta process event PID CPUtime IBlks OBlks
78 0 63918567 0 kernel sysinit 0x2100001 0 0.00 0 0
80 0 64076940 120605 boottrace dumpon start 1602 0.00 0 0
81 0 64076942 2 boottrace dumpon done 1602 0.00 0 0