The nodes that are evaluated are specified in either in the node-pattern or in the node-id. The node-pattern parameter should contain string with a node path pattern. Node path patterns are described in the Analyzer User's Guide. The node-id parameter should contain a node-id.
If -immediately is specified, and the node condition is true when the command is issued, the command take action immediately, otherwise, the next time the node condition evaluates to true.
If a cpu is specified, this command will ignore events on all other processors.