Re: [Powertop] Strange Behavior - PowerTOP 2.0 Seg Fault

[Sergey Senozhatsky <sergey.senozhatsky at gmail.com>]

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On (11/12/12 02:01), cshanahan(a)comcast.net wrote:
> > hm, that's something. seems like enumerate_cpus(); failed
> > because perf_bundle was NULL in cpu by the time of 
> >	perf_events->start();
> >
> > call, but it did not crashed on any of enumerate_cpus()
> >
> > 332         perf_events = new perf_power_bundle();
> > 333 
> > 334         if (!perf_events->add_event("power:cpu_idle")){
> > 335                 perf_events->add_event("power:power_start");
> > 336                 perf_events->add_event("power:power_end");
> > 337         }
> > 338         if (!perf_events->add_event("power:cpu_frequency"))
> > 339                 perf_events->add_event("power:power_frequency");
> >
> >
> > so it leaves only one suspect: enumerate_cpus()
> >
> > 269         file.open("/proc/cpuinfo",  ios::in);
> > 270 
> > 271         if (!file)
> > 272                 return;
> >
> >
> > is that happeninig all the time?
> 
> Yes. Happens all the time.
> 
>

hm. this is very-very early stages of calibration process, and it's very
unlikely that powertop has done something to your system.

 
> > a *very* stupid question - do you have /proc/cpuinfo file?
> 
> Yes, I do.
> 
> Any idea about my problem?
> 

are you talking about WIFI button?


may I ask you to do two things

	$ ls  /proc/cpuinfo
and
	$ cat /proc/cpuinfo


	-ss