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Shell Programming and Scripting
program errorlevel
Post 52436 by Perderabo on Friday 18th of June 2004 08:49:24 AM
06-18-2004
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LEARN ABOUT MOJAVE
lastwords
lastwords(1m) USER COMMANDS lastwords(1m) NAME
lastwords - print syscalls before exit. Uses DTrace. SYNOPSIS
lastwords command DESCRIPTION
This prints the last few system calls for processes matching the given name, when they exit. This makes use of a ring buffer so that the impact on the system is minimised. Since this uses DTrace, only users with root privileges can run this command. EXAMPLES
Catch last few syscalls for dying netscape processes, # lastwords netscape FIELDS
TIME time of syscall return, ns PID process ID EXEC process name (execname) SYSCALL system call RETURN return value for the system call ERR errno for the system call BASED ON
/usr/demo/dtrace/ring.d DOCUMENTATION
DTrace Guide "Buffers and Buffering" chapter (docs.sun.com) See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with ver- bose descriptions explaining the output. EXIT
lastwords will sample until a command with that name exits. SEE ALSO
dtruss(1M), dtrace(1M) version 0.70 Jun 08, 2005 lastwords(1m)