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Thanks Philippe, You are right, it seems that apci is off by default. How to turn it on ? the flags in /proc/cpuinfo does not show acpi cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 5 model name : Pentium II (Deschutes) stepping : 3 cpu MHz : 450.008 cache size : 1024 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr bogomips : 886.78 --- Philippe Elie <phil.el@wanadoo.fr> wrote: > On Sun, 08 May 2005 at 00:20 +0000, li nux wrote: > > Thanks Baruch, > > # opcontrol --setup --event=CPU_CLK_UNHALTED > > You cannot specify any performance counter events > > because OProfile is in timer mode. > > > check if local apic support is turned on. > > Philippe Elie > Yahoo! Mail Stay connected, organized, and protected. Take the tour: http://tour.mail.yahoo.com/mailtour.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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