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home | helpSVRCTL(1) BSD General Commands Manual SVRCTL(1) NAME svrctl -- send servers control messages SYNOPSIS svrctl _vfs|pm_ get _request_ svrctl _vfs|pm_ set _request_ _value_ DESCRIPTION The svrctl utility allows to override the values of variables inside VFS or PM or to retrieve the values of variables. The variables that are allowed to be overridden are hard coded in the servers. EXAMPLES To retrieve how many threads are currently actively carrying out work in VFS: svrctl vfs get active_threads To generate a stack trace of all threads in VFS: svrctl vfs get print_traces To set verbosity level of VFS (allowed values range from 0 to 4) svrctl vfs set verbose 1 To retrieve boot monitor parameters (note that these are also available through sysenv(1) ) such as rootdevname , memory , hz , and if set, bootopts , cttyline , cttybaud : svrctl pm get rootdevname svrctl pm get memory svrctl pm get hz svrctl pm get bootopts svrctl pm get cttyline svrctl pm get cttybaud EXIT STATUS In case svrctl is not properly invoked or the provided request is not valid 1 is returned, otherwise 0. AUTHORS Thomas Veerman <thomas@minix3.org> BSD $April 5, 2012$ BSD
NAME | SYNOPSIS | DESCRIPTION | EXAMPLES | EXIT STATUS | AUTHORS