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

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

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On (11/11/12 22:45), Sergey Senozhatsky 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? 
> a *very* stupid question - do you have /proc/cpuinfo file?
> 

sorry for mistakes and typos.



 "# CONFIG_PROC_FS is not set" case?
 

	-ss