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Full Discussion: need help with truss !
Top Forums Shell Programming and Scripting need help with truss ! Post 302262002 by ali560045 on Wednesday 26th of November 2008 06:42:55 AM
Old 11-26-2008
when i m doing the below command:

truss -po a1.txt $PID_Detail &
sleep 300
kill $!

----------------------------------------------------------------------------------------------------------------

here the o/p file is a1.txt i.e i m here redirecting the o/p to file a1.txt. But the above command is not killing the truss process

i m asking how to run this command in background and then kill the truss command after sleep of 300 seconds


What i do not understand is how can i break or interrupt truss after it has given the basic list of system calls for processes

When i run truss on some processes i can see that they r in sleep state waiting for an input. Using ctrl-c in command prompt i can break from the truss output. but how to achieve this in a script
Last edited by ali560045; 11-26-2008 at 08:02 AM..
 

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LEARN ABOUT OSX

newproc.d

newproc.d(1m)							   USER COMMANDS						     newproc.d(1m)

NAME

       newproc.d - snoop new processes. Uses DTrace.

SYNOPSIS

       newproc.d

DESCRIPTION

       newproc.d is a DTrace OneLiner to snoop new processes as they are run.  The argument listing is printed.

       This is useful to identify short lived processes that are usually difficult to spot using traditional tools.

       Docs/oneliners.txt and Docs/Examples/oneliners_examples.txt in the DTraceToolkit contain this as a oneliner that can be cut-n-paste to run.

       Since this uses DTrace, only users with root privileges can run this command.

EXAMPLES

       This prints new processes until Ctrl-C is hit.
	      # newproc.d

FIELDS

       CPU    The CPU that recieved the event

       ID     A DTrace probe ID for the event

       FUNCTION:NAME
	      The DTrace probe name for the event

       remaining fields
	      These contains the argument listing for the new process

DOCUMENTATION

       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

       newproc.d will run forever until Ctrl-C is hit.

AUTHOR

       Brendan Gregg [Sydney, Australia]

SEE ALSO

       execsnoop(1M), dtrace(1M), truss(1)

version 1.00							   May 15, 2005 						     newproc.d(1m)
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