linux-kernel - intel_rapl: No such device

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Date:	Sat, 26 Apr 2014 12:24:45 +0200
From:	Pali Rohár <pali.rohar@...il.com>
To:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Jacob Pan <jacob.jun.pan@...ux.intel.com>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org
Subject: intel_rapl: No such device

Hello,

on intel haswell mobile cpu it is not possible to load intel_rapl 
driver. Modprobe will show this error message:

intel_rapl.ko': -1 No such device
intel_rapl: driver does not support CPU family 6 model 60

Is not intel mobile cpu supported by intel_rapl?


Here is info from /proc/cpuinfo

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 60
model name      : Intel(R) Core(TM) i5-4300M CPU @ 2.60GHz
stepping        : 3
microcode       : 0x17
cpu MHz         : 2585.375
cache size      : 3072 KB
physical id     : 0
siblings        : 4
core id         : 0
cpu cores       : 2
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep 
mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss 
ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon 
pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu 
pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma 
cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt 
tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat 
epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid 
fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm
bogomips        : 5187.99
clflush size    : 64
cache_alignment : 64
address sizes   : 39 bits physical, 48 bits virtual
power management:


And from /sys/devices/system/cpu/modalias

cpu:type:x86,ven0000fam0006mod003C:feature:,0000,0001,0002,0003,0004,0005,0006,0007,0008,0009,000B,000C,000D,000E,000F,0010,0011,0013,0015,0016,0017,0018,0019,001A,001B,001C,001D,001F,002B,0034,003A,003B,003D,0068,006B,006C,006D,006F,0070,0072,0074,0075,0076,0078,007C,007D,0080,0081,0082,0083,0084,0085,0086,0087,0088,0089,008B,008C,008D,008E,008F,0091,0093,0094,0095,0096,0097,0098,0099,009A,009B,009C,009D,009E,00C0,00C5,00E0,00E1,00E3,00E4,00E5,00E6,00E7,0100,0101,0102,0103,0104,0120,0121,0123,0124,0125,0127,0128,0129,012A,012B,012D

-- 
Pali Rohár
pali.rohar@...il.com

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