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PMSIGNAL

NAME

pmsignal − send a signal to one or more processes

SYNOPSIS

$PCP_BINADM_DIR/pmsignal [−alnp] [−s signal] [PID ...|name ...]

DESCRIPTION

pmsignal provides a cross-platform event signalling mechanism for use with tools from the Performance Co-Pilot toolkit. It can be used to send a named signal (only HUP, USR1, TERM, and KILL are accepted) to one or more processes.

The processes are specified directly using PIDs or as program names (with either the −a or −p options). In the all case, the set of all running processes is searched for a basename(1) match on name. In the program case, process identifiers are extracted from files in the $PCP_RUN_DIR directrory where file names are matched on name.pid.

The −n option reports the list of process identifiers that would have been signalled, but no signals are actually sent.

If a signal is not specified, then the TERM signal will be sent. The list of supported signals is reported when using the −l option.

On Linux and UNIX platforms, pmsignal is a simple wrapper around the kill(1) command. On Windows, the is no direct equivalent to this mechanism, and so an alternate mechanism has been implemented − this is only honoured by PCP tools, however, not all Windows utilities.

OPTIONS

The available command line options are:
−a
, −−all

Send signal to all named processes.

−l, −−list

List supported signals.

−n, −−dry−run

List processes that would be affected.

−p, −−program

Extract programs from PCP runtime PID files.

−s signal, −−signal=signal

Specify the signal to send, one of: HUP, USR1, TERM, KILL.

−?, −−help

Display usage message and exit.

PCP ENVIRONMENT

Environment variables with the prefix PCP_ are used to parameterize the file and directory names used by PCP. On each installation, the file /etc/pcp.conf contains the local values for these variables. The $PCP_CONF variable may be used to specify an alternative configuration file, as described in pcp.conf(5).

SEE ALSO

basename(1), kill(1), killall(1), pcp.conf(5) and pcp.env(5).

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