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PMTIME(1)							     PMTIME(1)

NAME
       pmtime - time control server for Performance Co-Pilot

SYNOPSIS
       pmtime [-p port]

DESCRIPTION
       pmtime  is a graphical user interface for performance monitoring appli‐
       cations using the PCP infrastructure  and  requiring  interactive  time
       control.

       pmtime  is  not normally invoked directly by users.  Rather, it is more
       typical for it to be started by client applications  (e.g.   pmchart(1)
       and pmval(1)).

       There  are  two	modes of interacting with a pmtime process - live host
       mode, and historical archive mode.  In archive mode the window presents
       time  controls suitable for manipulating the archive position, allowing
       full VCR control to move forwards and backwards in time at configurable
       rates  and intervals.  In live mode the pmtime window contains the sim‐
       pler time controls suitable for live monitoring.

       The arguments to pmtime are as follows:

       -p   port is the port number which pmtime will  use  for	 communication
	    with its clients (monitoring applications).

       Note  that  the	pmtime	window	is  only  made visible when explicitly
       requested.  Multiple client applications can be connected to  a	single
       pmtime  server  -  when the final client application exits, pmtime will
       also exit.

ENVIRONMENT
       When a port number is not explicitly requested on the command line  via
       the -p option, the environment variable PMTIME_PORT can be set to spec‐
       ify the port number from which  available-port  probing	will  commence
       when pmtime is searching for a port number to use.

       The default starting port number is 43334.

SEE ALSO
       PCPIntro(1), pmchart(1), and pmval(1).

Performance Co-Pilot						     PMTIME(1)

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