Hi Aubrey, > So I assume the following command line give you nothing, right? > # dtrace -l | grep cpu_change_speed Yes, I don't see anything.See below: bash-3.2# dtrace -l|grep cpu_change_speed bash-3.2#
Thanks Jitendra Li, Aubrey wrote: >>> Jitendra Sasmal wrote: >>> >>> >>>> Hi All, >>>> I build the powertop kernel on my ontario system and rebooted with >>>> this. Then I tried to compile 'powertop' utility and executed, it >>>> seems to be working fine except few notes like "C-State Dtrace >>>> proble not available", "cpu_change_speed Dtrace proble not >>>> available" etc. >>>> >>>> See attached are the screenshots. >>>> >>>> >>> If you run the powertop kernel on a SPARC system, I would at least >>> expect the cpu_change_speed DTrace probe to be available, since that >>> probe is implemented in common/io/cpudrv.c >>> >>> >> I don't see that on sparc system.On sparc it gives the probe is not >> available. >> >> > > So I assume the following command line give you nothing, right? > # dtrace -l | grep cpu_change_speed > > Then, let me check, what you see by issue > # dtrace -l | grep cyclic-start > > ? > > Thanks, > -Aubrey >
