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Man Pages


Manual Reference Pages  -  DTRUSS (1)

NAME

dtruss - Trace system calls and userland stacks using DTrace

CONTENTS

Synopsis
Description
Exit Status
See Also
History
Authors

SYNOPSIS

dtruss [-acdefholLs] [-t syscall] [-n name-p pid command]

DESCRIPTION

The dtruss utility traces system calls and (optionally) userland stack traces for the specified programs.

The following options are available:
-p pid Trace the process with PID pid.
-n name
  Trace the process with name name.
-t syscall
  Trace the specified syscall only.
-a Print all details.
-c Print syscall counts.
-d Print relative times (in microseconds).
-e Print elapsed times (in microseconds).
-f Follow the children processes.
-l Force printing PID / TID.
-o Print time spent on CPU.
-s Print userland stack backtraces.
-L Don’t print PID / TID.
-b bufsize
  Specify the DTrace buffer size.

EXIT STATUS


.Ex -std

SEE ALSO

dtrace(1)

HISTORY

The dtruss utility comes from the DTraceToolkit and was first imported into
.Fx 9.0 .

AUTHORS


.An Brendan Gregg
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