1 .TH dispqlen.d 1m "$Date:: 2007-08-05 #$" "USER COMMANDS"
3 dispqlen.d \- dispatcher queue length by CPU. Uses DTrace.
7 The dispatcher queue length is an indication of CPU saturation.
8 It is not an indicatior of utilisation - the CPUs may or may not be
9 utilised when the dispatcher queue reports a length of zero.
11 This script measures this activity by sampling at 1000 Hertz per CPU.
13 Since this uses DTrace, only the root user or users with the
14 dtrace_kernel privilege can run this command.
18 unstable - walks private kernel structs.
21 Print dispatcher queue length by CPU.
26 See the DTraceToolkit for further documentation under the
27 Docs directory. The DTraceToolkit docs may include full worked
28 examples with verbose descriptions explaining the output.
30 dispqlen.d will sample until Ctrl-C is hit.