Merge branch 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux

Pull turbostat utility updates for v4.21 from Len Brown: "A couple of random fixes that were sitting in the queue." * 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: tools/power turbostat: consolidate duplicate model numbers tools/power turbostat: fix goldmont C-state limit decoding tools/power turbostat: reduce debug output tools/power turbosat: fix AMD APIC-id output
2024-12-29 07:34:06 +08:00 · 2018-12-18 16:32:12 +01:00 · 2018-12-18 16:32:12 +01:00 · 584923efe9
commit 584923efe9
parent 663546903c f5a4c76ad7
1 changed files with 108 additions and 85 deletions
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@ -1,6 +1,6 @@
 /*
 * turbostat -- show CPU frequency and C-state residency
- * on modern Intel turbo-capable processors.
+ * on modern Intel and AMD processors.
 *
 * Copyright (c) 2013 Intel Corporation.
 * Len Brown <len.brown@intel.com>
@ -71,6 +71,8 @@ unsigned int do_irtl_snb;
 unsigned int do_irtl_hsw;
 unsigned int units = 1000000;	/* MHz etc */
 unsigned int genuine_intel;
+unsigned int authentic_amd;
+unsigned int max_level, max_extended_level;
 unsigned int has_invariant_tsc;
 unsigned int do_nhm_platform_info;
 unsigned int no_MSR_MISC_PWR_MGMT;
@ -1667,30 +1669,51 @@ int get_mp(int cpu, struct msr_counter *mp, unsigned long long *counterp)

 void get_apic_id(struct thread_data *t)
 {
-	unsigned int eax, ebx, ecx, edx, max_level;
+	unsigned int eax, ebx, ecx, edx;

-	eax = ebx = ecx = edx = 0;
+	if (DO_BIC(BIC_APIC)) {
+		eax = ebx = ecx = edx = 0;
+		__cpuid(1, eax, ebx, ecx, edx);
+
+		t->apic_id = (ebx >> 24) & 0xff;
+	}
+
+	if (!DO_BIC(BIC_X2APIC))
+		return;
+
+	if (authentic_amd) {
+		unsigned int topology_extensions;
+
+		if (max_extended_level < 0x8000001e)
+			return;
+
+		eax = ebx = ecx = edx = 0;
+		__cpuid(0x80000001, eax, ebx, ecx, edx);
+			topology_extensions = ecx & (1 << 22);
+
+		if (topology_extensions == 0)
+			return;
+
+		eax = ebx = ecx = edx = 0;
+		__cpuid(0x8000001e, eax, ebx, ecx, edx);
+
+		t->x2apic_id = eax;
+		return;
+	}

 	if (!genuine_intel)
 		return;

-	__cpuid(0, max_level, ebx, ecx, edx);
-
-	__cpuid(1, eax, ebx, ecx, edx);
-	t->apic_id = (ebx >> 24) & 0xf;
-
 	if (max_level < 0xb)
 		return;

-	if (!DO_BIC(BIC_X2APIC))
-		return;
-
 	ecx = 0;
 	__cpuid(0xb, eax, ebx, ecx, edx);
 	t->x2apic_id = edx;

-	if (debug && (t->apic_id != t->x2apic_id))
-		fprintf(outf, "cpu%d: apic 0x%x x2apic 0x%x\n", t->cpu_id, t->apic_id, t->x2apic_id);
+	if (debug && (t->apic_id != (t->x2apic_id & 0xff)))
+		fprintf(outf, "cpu%d: BIOS BUG: apic 0x%x x2apic 0x%x\n",
+				t->cpu_id, t->apic_id, t->x2apic_id);
 }

 /*
@ -1953,11 +1976,12 @@ done:
 #define PCL_7S 11 /* PC7 Shrink */
 #define PCL__8 12 /* PC8 */
 #define PCL__9 13 /* PC9 */
-#define PCLUNL 14 /* Unlimited */
+#define PCL_10 14 /* PC10 */
+#define PCLUNL 15 /* Unlimited */

 int pkg_cstate_limit = PCLUKN;
 char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2",
-	"pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"};
+	"pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "pc10", "unlimited"};

 int nhm_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
 int snb_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
@ -1965,7 +1989,7 @@ int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S,
 int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7};
 int amt_pkg_cstate_limits[16] = {PCLUNL, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
 int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
-int bxt_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
+int glm_pkg_cstate_limits[16] = {PCLUNL, PCL__1, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCL_10, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
 int skx_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};


@ -3113,13 +3137,8 @@ int probe_nhm_msrs(unsigned int family, unsigned int model)
 	bclk = discover_bclk(family, model);

 	switch (model) {
-	case INTEL_FAM6_NEHALEM_EP:	/* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
 	case INTEL_FAM6_NEHALEM:	/* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
-	case 0x1F:	/* Core i7 and i5 Processor - Nehalem */
-	case INTEL_FAM6_WESTMERE:	/* Westmere Client - Clarkdale, Arrandale */
-	case INTEL_FAM6_WESTMERE_EP:	/* Westmere EP - Gulftown */
 	case INTEL_FAM6_NEHALEM_EX:	/* Nehalem-EX Xeon - Beckton */
-	case INTEL_FAM6_WESTMERE_EX:	/* Westmere-EX Xeon - Eagleton */
 		pkg_cstate_limits = nhm_pkg_cstate_limits;
 		break;
 	case INTEL_FAM6_SANDYBRIDGE:	/* SNB */
@ -3131,16 +3150,11 @@ int probe_nhm_msrs(unsigned int family, unsigned int model)
 		break;
 	case INTEL_FAM6_HASWELL_CORE:	/* HSW */
 	case INTEL_FAM6_HASWELL_X:	/* HSX */
-	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
 	case INTEL_FAM6_HASWELL_GT3E:	/* HSW */
 	case INTEL_FAM6_BROADWELL_CORE:	/* BDW */
 	case INTEL_FAM6_BROADWELL_GT3E:	/* BDW */
 	case INTEL_FAM6_BROADWELL_X:	/* BDX */
-	case INTEL_FAM6_BROADWELL_XEON_D:	/* BDX-DE */
 	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
-	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
-	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
-	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
 	case INTEL_FAM6_CANNONLAKE_MOBILE:	/* CNL */
 		pkg_cstate_limits = hsw_pkg_cstate_limits;
 		has_misc_feature_control = 1;
@ -3159,13 +3173,12 @@ int probe_nhm_msrs(unsigned int family, unsigned int model)
 		no_MSR_MISC_PWR_MGMT = 1;
 		break;
 	case INTEL_FAM6_XEON_PHI_KNL:	/* PHI */
-	case INTEL_FAM6_XEON_PHI_KNM:
 		pkg_cstate_limits = phi_pkg_cstate_limits;
 		break;
 	case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
 	case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
 	case INTEL_FAM6_ATOM_GOLDMONT_X:	/* DNV */
-		pkg_cstate_limits = bxt_pkg_cstate_limits;
+		pkg_cstate_limits = glm_pkg_cstate_limits;
 		break;
 	default:
 		return 0;
@ -3220,7 +3233,6 @@ int is_bdx(unsigned int family, unsigned int model)

 	switch (model) {
 	case INTEL_FAM6_BROADWELL_X:
-	case INTEL_FAM6_BROADWELL_XEON_D:
 		return 1;
 	}
 	return 0;
@ -3246,9 +3258,7 @@ int has_turbo_ratio_limit(unsigned int family, unsigned int model)
 	switch (model) {
 	/* Nehalem compatible, but do not include turbo-ratio limit support */
 	case INTEL_FAM6_NEHALEM_EX:	/* Nehalem-EX Xeon - Beckton */
-	case INTEL_FAM6_WESTMERE_EX:	/* Westmere-EX Xeon - Eagleton */
 	case INTEL_FAM6_XEON_PHI_KNL:	/* PHI - Knights Landing (different MSR definition) */
-	case INTEL_FAM6_XEON_PHI_KNM:
 		return 0;
 	default:
 		return 1;
@ -3303,7 +3313,6 @@ int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model)

 	switch (model) {
 	case INTEL_FAM6_XEON_PHI_KNL:	/* Knights Landing */
-	case INTEL_FAM6_XEON_PHI_KNM:
 		return 1;
 	default:
 		return 0;
@ -3337,21 +3346,15 @@ int has_config_tdp(unsigned int family, unsigned int model)
 	case INTEL_FAM6_IVYBRIDGE:	/* IVB */
 	case INTEL_FAM6_HASWELL_CORE:	/* HSW */
 	case INTEL_FAM6_HASWELL_X:	/* HSX */
-	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
 	case INTEL_FAM6_HASWELL_GT3E:	/* HSW */
 	case INTEL_FAM6_BROADWELL_CORE:	/* BDW */
 	case INTEL_FAM6_BROADWELL_GT3E:	/* BDW */
 	case INTEL_FAM6_BROADWELL_X:	/* BDX */
-	case INTEL_FAM6_BROADWELL_XEON_D:	/* BDX-DE */
 	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
-	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
-	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
-	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
 	case INTEL_FAM6_CANNONLAKE_MOBILE:	/* CNL */
 	case INTEL_FAM6_SKYLAKE_X:	/* SKX */

 	case INTEL_FAM6_XEON_PHI_KNL:	/* Knights Landing */
-	case INTEL_FAM6_XEON_PHI_KNM:
 		return 1;
 	default:
 		return 0;
@ -3744,9 +3747,7 @@ rapl_dram_energy_units_probe(int  model, double rapl_energy_units)
 	switch (model) {
 	case INTEL_FAM6_HASWELL_X:	/* HSX */
 	case INTEL_FAM6_BROADWELL_X:	/* BDX */
-	case INTEL_FAM6_BROADWELL_XEON_D:	/* BDX-DE */
 	case INTEL_FAM6_XEON_PHI_KNL:	/* KNL */
-	case INTEL_FAM6_XEON_PHI_KNM:
 		return (rapl_dram_energy_units = 15.3 / 1000000);
 	default:
 		return (rapl_energy_units);
@ -3775,7 +3776,6 @@ void rapl_probe(unsigned int family, unsigned int model)
 	case INTEL_FAM6_SANDYBRIDGE:
 	case INTEL_FAM6_IVYBRIDGE:
 	case INTEL_FAM6_HASWELL_CORE:	/* HSW */
-	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
 	case INTEL_FAM6_HASWELL_GT3E:	/* HSW */
 	case INTEL_FAM6_BROADWELL_CORE:	/* BDW */
 	case INTEL_FAM6_BROADWELL_GT3E:	/* BDW */
@ -3799,9 +3799,6 @@ void rapl_probe(unsigned int family, unsigned int model)
 			BIC_PRESENT(BIC_PkgWatt);
 		break;
 	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
-	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
-	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
-	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
 	case INTEL_FAM6_CANNONLAKE_MOBILE:	/* CNL */
 		do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_GFX | RAPL_PKG_POWER_INFO;
 		BIC_PRESENT(BIC_PKG__);
@ -3820,10 +3817,8 @@ void rapl_probe(unsigned int family, unsigned int model)
 		break;
 	case INTEL_FAM6_HASWELL_X:	/* HSX */
 	case INTEL_FAM6_BROADWELL_X:	/* BDX */
-	case INTEL_FAM6_BROADWELL_XEON_D:	/* BDX-DE */
 	case INTEL_FAM6_SKYLAKE_X:	/* SKX */
 	case INTEL_FAM6_XEON_PHI_KNL:	/* KNL */
-	case INTEL_FAM6_XEON_PHI_KNM:
 		do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
 		BIC_PRESENT(BIC_PKG__);
 		BIC_PRESENT(BIC_RAM__);
@ -3916,7 +3911,6 @@ void perf_limit_reasons_probe(unsigned int family, unsigned int model)

 	switch (model) {
 	case INTEL_FAM6_HASWELL_CORE:	/* HSW */
-	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
 	case INTEL_FAM6_HASWELL_GT3E:	/* HSW */
 		do_gfx_perf_limit_reasons = 1;
 	case INTEL_FAM6_HASWELL_X:	/* HSX */
@ -4128,16 +4122,11 @@ int has_snb_msrs(unsigned int family, unsigned int model)
 	case INTEL_FAM6_IVYBRIDGE_X:	/* IVB Xeon */
 	case INTEL_FAM6_HASWELL_CORE:	/* HSW */
 	case INTEL_FAM6_HASWELL_X:	/* HSW */
-	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
 	case INTEL_FAM6_HASWELL_GT3E:	/* HSW */
 	case INTEL_FAM6_BROADWELL_CORE:	/* BDW */
 	case INTEL_FAM6_BROADWELL_GT3E:	/* BDW */
 	case INTEL_FAM6_BROADWELL_X:	/* BDX */
-	case INTEL_FAM6_BROADWELL_XEON_D:	/* BDX-DE */
 	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
-	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
-	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
-	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
 	case INTEL_FAM6_CANNONLAKE_MOBILE:	/* CNL */
 	case INTEL_FAM6_SKYLAKE_X:	/* SKX */
 	case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
@ -4166,12 +4155,9 @@ int has_hsw_msrs(unsigned int family, unsigned int model)
 		return 0;

 	switch (model) {
-	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
+	case INTEL_FAM6_HASWELL_CORE:
 	case INTEL_FAM6_BROADWELL_CORE:	/* BDW */
 	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
-	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
-	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
-	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
 	case INTEL_FAM6_CANNONLAKE_MOBILE:	/* CNL */
 	case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
 	case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
@ -4195,9 +4181,6 @@ int has_skl_msrs(unsigned int family, unsigned int model)

 	switch (model) {
 	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
-	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
-	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
-	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
 	case INTEL_FAM6_CANNONLAKE_MOBILE:	/* CNL */
 		return 1;
 	}
@ -4222,7 +4205,6 @@ int is_knl(unsigned int family, unsigned int model)
 		return 0;
 	switch (model) {
 	case INTEL_FAM6_XEON_PHI_KNL:	/* KNL */
-	case INTEL_FAM6_XEON_PHI_KNM:
 		return 1;
 	}
 	return 0;
@ -4436,18 +4418,56 @@ void decode_c6_demotion_policy_msr(void)
 			base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");
 }

+/*
+ * When models are the same, for the purpose of turbostat, reuse
+ */
+unsigned int intel_model_duplicates(unsigned int model)
+{
+
+	switch(model) {
+	case INTEL_FAM6_NEHALEM_EP:	/* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
+	case INTEL_FAM6_NEHALEM:	/* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
+	case 0x1F:	/* Core i7 and i5 Processor - Nehalem */
+	case INTEL_FAM6_WESTMERE:	/* Westmere Client - Clarkdale, Arrandale */
+	case INTEL_FAM6_WESTMERE_EP:	/* Westmere EP - Gulftown */
+		return INTEL_FAM6_NEHALEM;
+
+	case INTEL_FAM6_NEHALEM_EX:	/* Nehalem-EX Xeon - Beckton */
+	case INTEL_FAM6_WESTMERE_EX:	/* Westmere-EX Xeon - Eagleton */
+		return INTEL_FAM6_NEHALEM_EX;
+
+	case INTEL_FAM6_XEON_PHI_KNM:
+		return INTEL_FAM6_XEON_PHI_KNL;
+
+	case INTEL_FAM6_HASWELL_ULT:
+		return INTEL_FAM6_HASWELL_CORE;
+
+	case INTEL_FAM6_BROADWELL_X:
+	case INTEL_FAM6_BROADWELL_XEON_D:	/* BDX-DE */
+		return INTEL_FAM6_BROADWELL_X;
+
+	case INTEL_FAM6_SKYLAKE_MOBILE:
+	case INTEL_FAM6_SKYLAKE_DESKTOP:
+	case INTEL_FAM6_KABYLAKE_MOBILE:
+	case INTEL_FAM6_KABYLAKE_DESKTOP:
+		return INTEL_FAM6_SKYLAKE_MOBILE;
+	}
+	return model;
+}
 void process_cpuid()
 {
-	unsigned int eax, ebx, ecx, edx, max_level, max_extended_level;
-	unsigned int fms, family, model, stepping;
+	unsigned int eax, ebx, ecx, edx;
+	unsigned int fms, family, model, stepping, ecx_flags, edx_flags;
 	unsigned int has_turbo;

 	eax = ebx = ecx = edx = 0;

 	__cpuid(0, max_level, ebx, ecx, edx);

-	if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e)
+	if (ebx == 0x756e6547 && ecx == 0x6c65746e && edx == 0x49656e69)
 		genuine_intel = 1;
+	else if (ebx == 0x68747541 && ecx == 0x444d4163 && edx == 0x69746e65)
+		authentic_amd = 1;

 	if (!quiet)
 		fprintf(outf, "CPUID(0): %.4s%.4s%.4s ",
@ -4461,25 +4481,8 @@ void process_cpuid()
 		family += (fms >> 20) & 0xff;
 	if (family >= 6)
 		model += ((fms >> 16) & 0xf) << 4;
-
-	if (!quiet) {
-		fprintf(outf, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
-			max_level, family, model, stepping, family, model, stepping);
-		fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s %s\n",
-			ecx & (1 << 0) ? "SSE3" : "-",
-			ecx & (1 << 3) ? "MONITOR" : "-",
-			ecx & (1 << 6) ? "SMX" : "-",
-			ecx & (1 << 7) ? "EIST" : "-",
-			ecx & (1 << 8) ? "TM2" : "-",
-			edx & (1 << 4) ? "TSC" : "-",
-			edx & (1 << 5) ? "MSR" : "-",
-			edx & (1 << 22) ? "ACPI-TM" : "-",
-			edx & (1 << 28) ? "HT" : "-",
-			edx & (1 << 29) ? "TM" : "-");
-	}
-
-	if (!(edx & (1 << 5)))
-		errx(1, "CPUID: no MSR");
+	ecx_flags = ecx;
+	edx_flags = edx;

 	/*
 	 * check max extended function levels of CPUID.
@ -4489,6 +4492,27 @@ void process_cpuid()
 	ebx = ecx = edx = 0;
 	__cpuid(0x80000000, max_extended_level, ebx, ecx, edx);

+	if (!quiet) {
+		fprintf(outf, "0x%x CPUID levels; 0x%x xlevels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
+			max_level, max_extended_level, family, model, stepping, family, model, stepping);
+		fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s %s\n",
+			ecx_flags & (1 << 0) ? "SSE3" : "-",
+			ecx_flags & (1 << 3) ? "MONITOR" : "-",
+			ecx_flags & (1 << 6) ? "SMX" : "-",
+			ecx_flags & (1 << 7) ? "EIST" : "-",
+			ecx_flags & (1 << 8) ? "TM2" : "-",
+			edx_flags & (1 << 4) ? "TSC" : "-",
+			edx_flags & (1 << 5) ? "MSR" : "-",
+			edx_flags & (1 << 22) ? "ACPI-TM" : "-",
+			edx_flags & (1 << 28) ? "HT" : "-",
+			edx_flags & (1 << 29) ? "TM" : "-");
+	}
+	if (genuine_intel)
+		model = intel_model_duplicates(model);
+
+	if (!(edx_flags & (1 << 5)))
+		errx(1, "CPUID: no MSR");
+
 	if (max_extended_level >= 0x80000007) {

 		/*
@ -4576,9 +4600,6 @@ void process_cpuid()
 			if (crystal_hz == 0)
 				switch(model) {
 				case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
-				case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
-				case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
-				case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
 					crystal_hz = 24000000;	/* 24.0 MHz */
 					break;
 				case INTEL_FAM6_ATOM_GOLDMONT_X:	/* DNV */
@ -4860,6 +4881,8 @@ void topology_probe()
 		return;

 	for (i = 0; i <= topo.max_cpu_num; ++i) {
+		if (cpu_is_not_present(i))
+			continue;
 		fprintf(outf,
 			"cpu %d pkg %d node %d lnode %d core %d thread %d\n",
 			i, cpus[i].physical_package_id,