diff --git a/powertop-2.9-intel-cpu-check-aperf.patch b/powertop-2.9-intel-cpu-check-aperf.patch
new file mode 100644
index 0000000..4793685
--- /dev/null
+++ b/powertop-2.9-intel-cpu-check-aperf.patch
@@ -0,0 +1,66 @@
+diff --git a/src/cpu/cpu.cpp b/src/cpu/cpu.cpp
+index f3711f5..019d922 100644
+--- a/src/cpu/cpu.cpp
++++ b/src/cpu/cpu.cpp
+@@ -68,7 +68,7 @@ static class abstract_cpu * new_package(int package, int cpu, char * vendor, int
+ 	char packagename[128];
+ 	if (strcmp(vendor, "GenuineIntel") == 0)
+ 		if (family == 6)
+-			if (is_supported_intel_cpu(model))
++			if (is_supported_intel_cpu(model, cpu))
+ 				ret = new class nhm_package(model);
+ 
+ 	if (!ret)
+@@ -105,7 +105,7 @@ static class abstract_cpu * new_core(int core, int cpu, char * vendor, int famil
+ 
+ 	if (strcmp(vendor, "GenuineIntel") == 0)
+ 		if (family == 6)
+-			if (is_supported_intel_cpu(model))
++			if (is_supported_intel_cpu(model, cpu))
+ 				ret = new class nhm_core(model);
+ 
+ 	if (!ret)
+@@ -134,7 +134,7 @@ static class abstract_cpu * new_cpu(int number, char * vendor, int family, int m
+ 
+ 	if (strcmp(vendor, "GenuineIntel") == 0)
+ 		if (family == 6)
+-			if (is_supported_intel_cpu(model))
++			if (is_supported_intel_cpu(model, number))
+ 				ret = new class nhm_cpu;
+ 
+ 	if (!ret)
+diff --git a/src/cpu/intel_cpus.cpp b/src/cpu/intel_cpus.cpp
+index 4c7b315..0030dba 100644
+--- a/src/cpu/intel_cpus.cpp
++++ b/src/cpu/intel_cpus.cpp
+@@ -77,13 +77,15 @@ static int intel_cpu_models[] = {
+ 
+ static int intel_pstate_driver_loaded = -1;
+ 
+-int is_supported_intel_cpu(int model)
++int is_supported_intel_cpu(int model, int cpu)
+ {
+ 	int i;
++	uint64_t msr;
+ 
+ 	for (i = 0; intel_cpu_models[i] != 0; i++)
+ 		if (model == intel_cpu_models[i])
+-			return 1;
++			if (cpu < 0 || read_msr(cpu, MSR_APERF, &msr) >= 0)
++				return 1;
+ 
+ 	return 0;
+ }
+diff --git a/src/cpu/intel_cpus.h b/src/cpu/intel_cpus.h
+index d20db9a..79afb98 100644
+--- a/src/cpu/intel_cpus.h
++++ b/src/cpu/intel_cpus.h
+@@ -172,7 +172,7 @@ public:
+ 
+ };
+ 
+-int is_supported_intel_cpu(int model);
++int is_supported_intel_cpu(int model, int cpu);
+ int byt_has_ahci();
+ 
+ int is_intel_pstate_driver_loaded();