diff --git a/headers/private/kernel/arch/x86/arch_cpu.h b/headers/private/kernel/arch/x86/arch_cpu.h
index 2acd0271bf..4cd304f2ee 100644
--- a/headers/private/kernel/arch/x86/arch_cpu.h
+++ b/headers/private/kernel/arch/x86/arch_cpu.h
@@ -222,13 +222,26 @@
 #define IA32_FEATURE_INTERRUPT_MWAIT	(1 << 1)
 
 // x86 defined features from cpuid eax 6, eax register
-// reference http://www.intel.com/Assets/en_US/PDF/appnote/241618.pdf (Table 5-11)
+// reference https://software.intel.com/content/dam/develop/public/us/en/documents/253666-sdm-vol-2a.pdf (Table 3-8)
 #define IA32_FEATURE_DTS	(1 << 0) // Digital Thermal Sensor
 #define IA32_FEATURE_ITB	(1 << 1) // Intel Turbo Boost Technology
 #define IA32_FEATURE_ARAT	(1 << 2) // Always running APIC Timer
 #define IA32_FEATURE_PLN	(1 << 4) // Power Limit Notification
 #define IA32_FEATURE_ECMD	(1 << 5) // Extended Clock Modulation Duty
 #define IA32_FEATURE_PTM	(1 << 6) // Package Thermal Management
+#define IA32_FEATURE_HWP	(1 << 7) // Hardware P-states
+#define IA32_FEATURE_HWP_NOTIFY	(1 << 8) // HWP Notification
+#define IA32_FEATURE_HWP_ACTWIN	(1 << 9) // HWP Activity Window
+#define IA32_FEATURE_HWP_EPP	(1 << 10) // HWP Energy Performance Preference
+#define IA32_FEATURE_HWP_PLR	(1 << 11) // HWP Package Level Request
+#define IA32_FEATURE_HDC	(1 << 13) // Hardware Duty Cycling
+#define IA32_FEATURE_TBMT3	(1 << 14) // Turbo Boost Max Technology 3.0
+#define IA32_FEATURE_HWP_CAP	(1 << 15) // HWP Capabilities
+#define IA32_FEATURE_HWP_PECI	(1 << 16) // HWP PECI override
+#define IA32_FEATURE_HWP_FLEX	(1 << 17) // Flexible HWP
+#define IA32_FEATURE_HWP_FAST	(1 << 18) // Fast access for HWP_REQUEST MSR
+#define IA32_FEATURE_HW_FEEDBACK	(1 << 19) // HW_FEEDBACK*, PACKAGE_THERM*
+#define IA32_FEATURE_HWP_IGNIDL	(1 << 20) // Ignore Idle Logical Processor HWP
 
 // x86 defined features from cpuid eax 6, ecx register
 // reference http://www.intel.com/Assets/en_US/PDF/appnote/241618.pdf (Table 5-11)
diff --git a/src/system/kernel/arch/x86/arch_cpu.cpp b/src/system/kernel/arch/x86/arch_cpu.cpp
index fc120be406..d3dd98434f 100644
--- a/src/system/kernel/arch/x86/arch_cpu.cpp
+++ b/src/system/kernel/arch/x86/arch_cpu.cpp
@@ -495,6 +495,32 @@ dump_feature_string(int currentCPU, cpu_ent* cpu)
 		strlcat(features, "ecmd ", sizeof(features));
 	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_PTM)
 		strlcat(features, "ptm ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HWP)
+		strlcat(features, "hwp ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HWP_NOTIFY)
+		strlcat(features, "hwp_notify ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HWP_ACTWIN)
+		strlcat(features, "hwp_actwin ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HWP_EPP)
+		strlcat(features, "hwp_epp ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HWP_PLR)
+		strlcat(features, "hwp_plr ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HDC)
+		strlcat(features, "hdc ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_TBMT3)
+		strlcat(features, "tbmt3 ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HWP_CAP)
+		strlcat(features, "hwp_cap ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HWP_PECI)
+		strlcat(features, "hwp_peci ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HWP_FLEX)
+		strlcat(features, "hwp_flex ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HWP_FAST)
+		strlcat(features, "hwp_fast ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HW_FEEDBACK)
+		strlcat(features, "hw_feedback ", sizeof(features));
+	if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_HWP_IGNIDL)
+		strlcat(features, "hwp_ignidl ", sizeof(features));
 	if (cpu->arch.feature[FEATURE_6_ECX] & IA32_FEATURE_APERFMPERF)
 		strlcat(features, "aperfmperf ", sizeof(features));
 	if (cpu->arch.feature[FEATURE_6_ECX] & IA32_FEATURE_EPB)