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SSUSAGE(1)							    SSUSAGE(1)


NAME    [Toc]    [Back]

     ssusage - run a command, and print	out the	resources it used

SYNOPSIS    [Toc]    [Back]

     ssusage command [args]

DESCRIPTION    [Toc]    [Back]

     ssusage is	a SpeedShop executable that runs a process from	the given
     command and arguments, and	prints out a summary of	the resources used
     during the	run.  It is used in exactly the	same way as time(1), but
     prints additional information.

     The usage information is printed to stderr	in the form:
      1.89 real, 0.04 user, 0.29 sys, 15 majf, 2 minf, 0 sw, 1 rb, 0 wb, 21 vcx, 38 icx	854, mxrss

     The real, user, and sys fields give the real-time,	user-CPU time, and
     system-CPU	time, respectively.

     majf gives	major page faults, i.e., those causing physical	I/O.

     minf gives	minor page faults,  i.e., those	requiring mapping only.

     sw	gives process swaps.

     rb	and wb give physical blocks read and written, respectively.  Note that
     these are attributed to the process which first requests a	block, but do
     not necessarily directly correlate	with the process' own I/O operations.

     vcx gives voluntary context switches, that	is, those caused by the
     process' own actions.

     icx gives involuntary context switches, those caused by the scheduler.

     mxrss gives the maximum resident set size of the program, including any
     shared pages, in kilobytes.

     In	addition, if the command terminates abnormally,	a message to that
     effect is printed before the usage	line.

SEE ALSO    [Toc]    [Back]

      
      
     speedshop(1), getrusage(3)


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