current_freq_Hz in "kstat cpu_info" gives the current freq of the processor from which you can get the current P State of the processor.
HTH Anup julia harper wrote: > > Is there any way to simply dump the pstate of a cpu at a single > particular moment, rather than getting a pretty picture presentation > that gets updated on some interval? For example, a command such as: > > $ cpupstate -c 2 > 5 > > to get a snapshot of cpu 2's current pstate (which is currently at > pstate 5). > > Basically I'm looking for the equivalant to the cpufreq-info tool that > is available on Linux. > > -- jdh > > > Rafael Vanoni wrote: >> I've uploaded a .tar file to our website with x86 binaries of the >> latest development version. These include the --cpu option. >> >> http://opensolaris.org/os/project/tesla/Work/Powertop/powertop.9364.tar >> >> Rafael >> >> julia harper wrote: >>> I just tried running >>> powertop -c 2 >>> >>> and got a help message saying this is invalid: >>> >>> # powertop -c2 >>> powertop: illegal option -- c >>> OpenSolaris PowerTOP version 1.1 (C) 2009 Intel Corporation >>> >>> Usage: powertop [option] >>> -d, --dump [count] Read wakeups count times and print list of >>> top offenders >>> -t, --time [interval] Default time to gather data in seconds [1-100s] >>> -v, --verbose Verbose mode, reports kernel cyclic activity >>> -h, --help Show this help message >>> >>> >>> I'm running opensolaris 2009.06 pre-release (build 111a): >>> # uname -a >>> SunOS ban23uut175 5.11 snv_111a i86pc i386 i86pc Solaris >>> >>> >>> -- jdh >>> >>> >>> Rafael Vanoni wrote: >>>> Hi Julia >>>> >>>> Yes, the default behavior is to average p-state residency between >>>> CPUs. The information is gathered through DTrace and kstats. >>>> There's a --cpu (or simply -c) option that will let you observe a >>>> specific processor. >>>> >>>> Note that there's a bug in the p-state report (6829404), which will >>>> be fixed today. I can send you an updated binary once it goes back, >>>> if you'd like. >>>> >>>> Thanks, >>>> Rafael >>>> >>>> julia harper wrote: >>>>> >>>>> I have a powertop question. I just tried it on opensolaris, and >>>>> can't figure out how to show the per cpu p-states. It just shows >>>>> one number, and there doesn't seem to be an option for more info. >>>>> Is that number an average of the per cpus p-states? My system has >>>>> 2 Nehalem cpus in it (16 hw threads). >>>>> >>>>> -- jdh >>>>> >>>>> >>>>> --------------------- >>>>> Julia Harper, julia.harper at sun.com >>>>> >>>>> _______________________________________________ >>>>> pm-discuss mailing list >>>>> pm-discuss at opensolaris.org >>>>> http://mail.opensolaris.org/mailman/listinfo/pm-discuss >>>> >>> >> >
