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57 lines
1.2 KiB
Plaintext
57 lines
1.2 KiB
Plaintext
.TH lastwords 1m "$Date: 2015/09/30 22:01:09 $" "USER COMMANDS"
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.SH NAME
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lastwords \- print syscalls before exit. Uses DTrace.
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.SH SYNOPSIS
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.B lastwords command
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.SH DESCRIPTION
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This prints the last few system calls for processes matching
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the given name, when they exit. This makes use of a ring buffer
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so that the impact on the system is minimised.
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Since this uses DTrace, only the root user or users with the
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dtrace_kernel privilege can run this command.
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.SH OS
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Solaris
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.SH STABILITY
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stable - needs the syscall and proc providers.
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.SH EXAMPLES
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.TP
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Catch last few syscalls for dying netscape processes,
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#
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.B lastwords netscape
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.PP
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.SH FIELDS
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.TP
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TIME
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time of syscall return, ns
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.TP
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PID
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process ID
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.TP
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EXEC
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process name (execname)
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.TP
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SYSCALL
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system call
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.TP
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RETURN
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return value for the system call
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.TP
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ERR
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errno for the system call
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.PP
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.SH BASED ON
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/usr/demo/dtrace/ring.d
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.PP
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.SH DOCUMENTATION
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DTrace Guide "Buffers and Buffering" chapter (docs.sun.com)
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See the DTraceToolkit for further documentation under the
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Docs directory. The DTraceToolkit docs may include full worked
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examples with verbose descriptions explaining the output.
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.SH EXIT
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lastwords will sample until a command with that name exits.
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.SH SEE ALSO
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dtruss(1M), dtrace(1M)
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