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+//
+// intrinsic operators
+//
+
+m = mem.freemem;
+rate_m = rate mem.freemem;
+
+// At least 2 CPUs doing some reasonable amount of work
+//
+poke = ":moomba :'mac-larry' :bitbucket"; // note '' to escape - in host name
+u = kernel.percpu.cpu.user $poke;
+s = kernel.percpu.cpu.sys $poke;
+some_host (
+ count_inst ( kernel.percpu.cpu.user $poke +
+ kernel.percpu.cpu.sys $poke > 0.7 ) >= 2
+ )
+ -> alarm "2 or more busy CPUs";