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Diff for /src/usr.bin/ktrace/ktrace.1 between version 1.13 and 1.14

version 1.13, 2003/06/10 09:12:10 version 1.14, 2003/09/03 08:54:33
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 .Nm ktrace  .Nm ktrace
 .Op Fl aCcdi  .Op Fl aCcdi
 .Op Fl f Ar trfile  .Op Fl f Ar trfile
 .Op Fl g Ar pgrp  .Op Fl g Ar pgid
 .Op Fl p Ar pid  .Op Fl p Ar pid
 .Op Fl t Ar trstr  .Op Fl t Ar trstr
 .Nm ktrace  .Nm ktrace
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 .Fl f  .Fl f
 option.  option.
 The kernel operations that are traced include system calls, namei  The kernel operations that are traced include system calls, namei
 translations, signal processing, and  translations, signal processing, and I/O.
 .Tn I/O .  
 .Pp  .Pp
 Once tracing is enabled on a process, trace data will be logged until  Once tracing is enabled on a process, trace data will be logged until
 either the process exits or the trace point is cleared.  either the process exits or the trace point is cleared.
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 The following command is sufficient to disable tracing on all user owned  The following command is sufficient to disable tracing on all user owned
 processes, and, if executed by root, all processes:  processes, and, if executed by root, all processes:
 .Pp  .Pp
 .Dl \&$ ktrace -C  .Dl $ ktrace -C
 .Pp  .Pp
 The trace file is not human-readable; use  The trace file is not human-readable; use
 .Xr kdump 1  .Xr kdump 1
 to decode it.  to decode it.
 .Pp  .Pp
 The options are as follows:  The options are as follows:
 .Bl -tag -width Ds  .Bl -tag -width "-t trstr"
 .It Fl a  .It Fl a
 Append to the trace file instead of recreating it.  Append to the trace file instead of recreating it.
 .It Fl C  .It Fl C
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 .Cm s .  .Cm s .
 The following table equates the letters with the tracepoints:  The following table equates the letters with the tracepoints:
 .Pp  .Pp
 .Bl -tag -width flag -compact  .Bl -tag -width flag -offset indent -compact
 .It Cm c  .It Cm c
 trace system calls  trace system calls
 .It Cm e  .It Cm e
 trace emulation changes  trace emulation changes
 .It Cm i  .It Cm i
 trace  trace I/O
 .Tn I/O  
 .It Cm n  .It Cm n
 trace namei translations  trace namei translations
 .It Cm s  .It Cm s
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 default ktrace dump file  default ktrace dump file
 .El  .El
 .Sh EXAMPLES  .Sh EXAMPLES
 # trace all kernel operations of process id 34  # trace all kernel operations of process ID 34
 .Dl $ ktrace -p 34  .Dl $ ktrace -p 34
 .Pp  .Bd -unfilled
 .Bd -literal  
 # trace all kernel operations of processes in process group 15 and  # trace all kernel operations of processes in process group 15 and
 # pass the trace flags to all current and future children  # pass the trace flags to all current and future children
 .Ed  .Ed
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 # disable tracing signals on process 70 and all current children  # disable tracing signals on process 70 and all current children
 .Dl $ ktrace -t s -cdp 70  .Dl $ ktrace -t s -cdp 70
 .Pp  .Pp
 # enable tracing of  # enable tracing of I/O on process 67
 .Tn I/O  
 on process 67  
 .Dl $ ktrace -ti -p 67  .Dl $ ktrace -ti -p 67
 .Pp  .Pp
 # run the command "w", tracing only system calls  # run the command "w", tracing only system calls
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Removed from v.1.13  
changed lines
  Added in v.1.14