Add sources for new turbostat plugin
authorVincent Brillault <git@lerya.net>
Thu, 19 Jun 2014 21:39:05 +0000 (23:39 +0200)
committerVincent Brillault <git@lerya.net>
Sat, 28 Feb 2015 06:35:39 +0000 (07:35 +0100)
src/msr-index.h [new file with mode: 0644]
src/turbostat.c [new file with mode: 0644]

diff --git a/src/msr-index.h b/src/msr-index.h
new file mode 100644 (file)
index 0000000..c19fc60
--- /dev/null
@@ -0,0 +1,550 @@
+#ifndef _ASM_X86_MSR_INDEX_H
+#define _ASM_X86_MSR_INDEX_H
+
+/* CPU model specific register (MSR) numbers */
+
+/* x86-64 specific MSRs */
+#define MSR_EFER               0xc0000080 /* extended feature register */
+#define MSR_STAR               0xc0000081 /* legacy mode SYSCALL target */
+#define MSR_LSTAR              0xc0000082 /* long mode SYSCALL target */
+#define MSR_CSTAR              0xc0000083 /* compat mode SYSCALL target */
+#define MSR_SYSCALL_MASK       0xc0000084 /* EFLAGS mask for syscall */
+#define MSR_FS_BASE            0xc0000100 /* 64bit FS base */
+#define MSR_GS_BASE            0xc0000101 /* 64bit GS base */
+#define MSR_KERNEL_GS_BASE     0xc0000102 /* SwapGS GS shadow */
+#define MSR_TSC_AUX            0xc0000103 /* Auxiliary TSC */
+
+/* EFER bits: */
+#define _EFER_SCE              0  /* SYSCALL/SYSRET */
+#define _EFER_LME              8  /* Long mode enable */
+#define _EFER_LMA              10 /* Long mode active (read-only) */
+#define _EFER_NX               11 /* No execute enable */
+#define _EFER_SVME             12 /* Enable virtualization */
+#define _EFER_LMSLE            13 /* Long Mode Segment Limit Enable */
+#define _EFER_FFXSR            14 /* Enable Fast FXSAVE/FXRSTOR */
+
+#define EFER_SCE               (1<<_EFER_SCE)
+#define EFER_LME               (1<<_EFER_LME)
+#define EFER_LMA               (1<<_EFER_LMA)
+#define EFER_NX                        (1<<_EFER_NX)
+#define EFER_SVME              (1<<_EFER_SVME)
+#define EFER_LMSLE             (1<<_EFER_LMSLE)
+#define EFER_FFXSR             (1<<_EFER_FFXSR)
+
+/* Intel MSRs. Some also available on other CPUs */
+#define MSR_IA32_PERFCTR0              0x000000c1
+#define MSR_IA32_PERFCTR1              0x000000c2
+#define MSR_FSB_FREQ                   0x000000cd
+#define MSR_NHM_PLATFORM_INFO          0x000000ce
+
+#define MSR_NHM_SNB_PKG_CST_CFG_CTL    0x000000e2
+#define NHM_C3_AUTO_DEMOTE             (1UL << 25)
+#define NHM_C1_AUTO_DEMOTE             (1UL << 26)
+#define ATM_LNC_C6_AUTO_DEMOTE         (1UL << 25)
+#define SNB_C1_AUTO_UNDEMOTE           (1UL << 27)
+#define SNB_C3_AUTO_UNDEMOTE           (1UL << 28)
+
+#define MSR_PLATFORM_INFO              0x000000ce
+#define MSR_MTRRcap                    0x000000fe
+#define MSR_IA32_BBL_CR_CTL            0x00000119
+#define MSR_IA32_BBL_CR_CTL3           0x0000011e
+
+#define MSR_IA32_SYSENTER_CS           0x00000174
+#define MSR_IA32_SYSENTER_ESP          0x00000175
+#define MSR_IA32_SYSENTER_EIP          0x00000176
+
+#define MSR_IA32_MCG_CAP               0x00000179
+#define MSR_IA32_MCG_STATUS            0x0000017a
+#define MSR_IA32_MCG_CTL               0x0000017b
+
+#define MSR_OFFCORE_RSP_0              0x000001a6
+#define MSR_OFFCORE_RSP_1              0x000001a7
+#define MSR_NHM_TURBO_RATIO_LIMIT      0x000001ad
+#define MSR_IVT_TURBO_RATIO_LIMIT      0x000001ae
+
+#define MSR_LBR_SELECT                 0x000001c8
+#define MSR_LBR_TOS                    0x000001c9
+#define MSR_LBR_NHM_FROM               0x00000680
+#define MSR_LBR_NHM_TO                 0x000006c0
+#define MSR_LBR_CORE_FROM              0x00000040
+#define MSR_LBR_CORE_TO                        0x00000060
+
+#define MSR_IA32_PEBS_ENABLE           0x000003f1
+#define MSR_IA32_DS_AREA               0x00000600
+#define MSR_IA32_PERF_CAPABILITIES     0x00000345
+#define MSR_PEBS_LD_LAT_THRESHOLD      0x000003f6
+
+#define MSR_MTRRfix64K_00000           0x00000250
+#define MSR_MTRRfix16K_80000           0x00000258
+#define MSR_MTRRfix16K_A0000           0x00000259
+#define MSR_MTRRfix4K_C0000            0x00000268
+#define MSR_MTRRfix4K_C8000            0x00000269
+#define MSR_MTRRfix4K_D0000            0x0000026a
+#define MSR_MTRRfix4K_D8000            0x0000026b
+#define MSR_MTRRfix4K_E0000            0x0000026c
+#define MSR_MTRRfix4K_E8000            0x0000026d
+#define MSR_MTRRfix4K_F0000            0x0000026e
+#define MSR_MTRRfix4K_F8000            0x0000026f
+#define MSR_MTRRdefType                        0x000002ff
+
+#define MSR_IA32_CR_PAT                        0x00000277
+
+#define MSR_IA32_DEBUGCTLMSR           0x000001d9
+#define MSR_IA32_LASTBRANCHFROMIP      0x000001db
+#define MSR_IA32_LASTBRANCHTOIP                0x000001dc
+#define MSR_IA32_LASTINTFROMIP         0x000001dd
+#define MSR_IA32_LASTINTTOIP           0x000001de
+
+/* DEBUGCTLMSR bits (others vary by model): */
+#define DEBUGCTLMSR_LBR                        (1UL <<  0) /* last branch recording */
+#define DEBUGCTLMSR_BTF                        (1UL <<  1) /* single-step on branches */
+#define DEBUGCTLMSR_TR                 (1UL <<  6)
+#define DEBUGCTLMSR_BTS                        (1UL <<  7)
+#define DEBUGCTLMSR_BTINT              (1UL <<  8)
+#define DEBUGCTLMSR_BTS_OFF_OS         (1UL <<  9)
+#define DEBUGCTLMSR_BTS_OFF_USR                (1UL << 10)
+#define DEBUGCTLMSR_FREEZE_LBRS_ON_PMI (1UL << 11)
+
+#define MSR_IA32_POWER_CTL             0x000001fc
+
+#define MSR_IA32_MC0_CTL               0x00000400
+#define MSR_IA32_MC0_STATUS            0x00000401
+#define MSR_IA32_MC0_ADDR              0x00000402
+#define MSR_IA32_MC0_MISC              0x00000403
+
+/* C-state Residency Counters */
+#define MSR_PKG_C3_RESIDENCY           0x000003f8
+#define MSR_PKG_C6_RESIDENCY           0x000003f9
+#define MSR_PKG_C7_RESIDENCY           0x000003fa
+#define MSR_CORE_C3_RESIDENCY          0x000003fc
+#define MSR_CORE_C6_RESIDENCY          0x000003fd
+#define MSR_CORE_C7_RESIDENCY          0x000003fe
+#define MSR_PKG_C2_RESIDENCY           0x0000060d
+#define MSR_PKG_C8_RESIDENCY           0x00000630
+#define MSR_PKG_C9_RESIDENCY           0x00000631
+#define MSR_PKG_C10_RESIDENCY          0x00000632
+
+/* Run Time Average Power Limiting (RAPL) Interface */
+
+#define MSR_RAPL_POWER_UNIT            0x00000606
+
+#define MSR_PKG_POWER_LIMIT            0x00000610
+#define MSR_PKG_ENERGY_STATUS          0x00000611
+#define MSR_PKG_PERF_STATUS            0x00000613
+#define MSR_PKG_POWER_INFO             0x00000614
+
+#define MSR_DRAM_POWER_LIMIT           0x00000618
+#define MSR_DRAM_ENERGY_STATUS         0x00000619
+#define MSR_DRAM_PERF_STATUS           0x0000061b
+#define MSR_DRAM_POWER_INFO            0x0000061c
+
+#define MSR_PP0_POWER_LIMIT            0x00000638
+#define MSR_PP0_ENERGY_STATUS          0x00000639
+#define MSR_PP0_POLICY                 0x0000063a
+#define MSR_PP0_PERF_STATUS            0x0000063b
+
+#define MSR_PP1_POWER_LIMIT            0x00000640
+#define MSR_PP1_ENERGY_STATUS          0x00000641
+#define MSR_PP1_POLICY                 0x00000642
+
+#define MSR_CORE_C1_RES                        0x00000660
+
+#define MSR_AMD64_MC0_MASK             0xc0010044
+
+#define MSR_IA32_MCx_CTL(x)            (MSR_IA32_MC0_CTL + 4*(x))
+#define MSR_IA32_MCx_STATUS(x)         (MSR_IA32_MC0_STATUS + 4*(x))
+#define MSR_IA32_MCx_ADDR(x)           (MSR_IA32_MC0_ADDR + 4*(x))
+#define MSR_IA32_MCx_MISC(x)           (MSR_IA32_MC0_MISC + 4*(x))
+
+#define MSR_AMD64_MCx_MASK(x)          (MSR_AMD64_MC0_MASK + (x))
+
+/* These are consecutive and not in the normal 4er MCE bank block */
+#define MSR_IA32_MC0_CTL2              0x00000280
+#define MSR_IA32_MCx_CTL2(x)           (MSR_IA32_MC0_CTL2 + (x))
+
+#define MSR_P6_PERFCTR0                        0x000000c1
+#define MSR_P6_PERFCTR1                        0x000000c2
+#define MSR_P6_EVNTSEL0                        0x00000186
+#define MSR_P6_EVNTSEL1                        0x00000187
+
+#define MSR_KNC_PERFCTR0               0x00000020
+#define MSR_KNC_PERFCTR1               0x00000021
+#define MSR_KNC_EVNTSEL0               0x00000028
+#define MSR_KNC_EVNTSEL1               0x00000029
+
+/* Alternative perfctr range with full access. */
+#define MSR_IA32_PMC0                  0x000004c1
+
+/* AMD64 MSRs. Not complete. See the architecture manual for a more
+   complete list. */
+
+#define MSR_AMD64_PATCH_LEVEL          0x0000008b
+#define MSR_AMD64_TSC_RATIO            0xc0000104
+#define MSR_AMD64_NB_CFG               0xc001001f
+#define MSR_AMD64_PATCH_LOADER         0xc0010020
+#define MSR_AMD64_OSVW_ID_LENGTH       0xc0010140
+#define MSR_AMD64_OSVW_STATUS          0xc0010141
+#define MSR_AMD64_LS_CFG               0xc0011020
+#define MSR_AMD64_DC_CFG               0xc0011022
+#define MSR_AMD64_BU_CFG2              0xc001102a
+#define MSR_AMD64_IBSFETCHCTL          0xc0011030
+#define MSR_AMD64_IBSFETCHLINAD                0xc0011031
+#define MSR_AMD64_IBSFETCHPHYSAD       0xc0011032
+#define MSR_AMD64_IBSFETCH_REG_COUNT   3
+#define MSR_AMD64_IBSFETCH_REG_MASK    ((1UL<<MSR_AMD64_IBSFETCH_REG_COUNT)-1)
+#define MSR_AMD64_IBSOPCTL             0xc0011033
+#define MSR_AMD64_IBSOPRIP             0xc0011034
+#define MSR_AMD64_IBSOPDATA            0xc0011035
+#define MSR_AMD64_IBSOPDATA2           0xc0011036
+#define MSR_AMD64_IBSOPDATA3           0xc0011037
+#define MSR_AMD64_IBSDCLINAD           0xc0011038
+#define MSR_AMD64_IBSDCPHYSAD          0xc0011039
+#define MSR_AMD64_IBSOP_REG_COUNT      7
+#define MSR_AMD64_IBSOP_REG_MASK       ((1UL<<MSR_AMD64_IBSOP_REG_COUNT)-1)
+#define MSR_AMD64_IBSCTL               0xc001103a
+#define MSR_AMD64_IBSBRTARGET          0xc001103b
+#define MSR_AMD64_IBS_REG_COUNT_MAX    8 /* includes MSR_AMD64_IBSBRTARGET */
+
+/* Fam 16h MSRs */
+#define MSR_F16H_L2I_PERF_CTL          0xc0010230
+#define MSR_F16H_L2I_PERF_CTR          0xc0010231
+
+/* Fam 15h MSRs */
+#define MSR_F15H_PERF_CTL              0xc0010200
+#define MSR_F15H_PERF_CTR              0xc0010201
+#define MSR_F15H_NB_PERF_CTL           0xc0010240
+#define MSR_F15H_NB_PERF_CTR           0xc0010241
+
+/* Fam 10h MSRs */
+#define MSR_FAM10H_MMIO_CONF_BASE      0xc0010058
+#define FAM10H_MMIO_CONF_ENABLE                (1<<0)
+#define FAM10H_MMIO_CONF_BUSRANGE_MASK 0xf
+#define FAM10H_MMIO_CONF_BUSRANGE_SHIFT 2
+#define FAM10H_MMIO_CONF_BASE_MASK     0xfffffffULL
+#define FAM10H_MMIO_CONF_BASE_SHIFT    20
+#define MSR_FAM10H_NODE_ID             0xc001100c
+
+/* K8 MSRs */
+#define MSR_K8_TOP_MEM1                        0xc001001a
+#define MSR_K8_TOP_MEM2                        0xc001001d
+#define MSR_K8_SYSCFG                  0xc0010010
+#define MSR_K8_INT_PENDING_MSG         0xc0010055
+/* C1E active bits in int pending message */
+#define K8_INTP_C1E_ACTIVE_MASK                0x18000000
+#define MSR_K8_TSEG_ADDR               0xc0010112
+#define K8_MTRRFIXRANGE_DRAM_ENABLE    0x00040000 /* MtrrFixDramEn bit    */
+#define K8_MTRRFIXRANGE_DRAM_MODIFY    0x00080000 /* MtrrFixDramModEn bit */
+#define K8_MTRR_RDMEM_WRMEM_MASK       0x18181818 /* Mask: RdMem|WrMem    */
+
+/* K7 MSRs */
+#define MSR_K7_EVNTSEL0                        0xc0010000
+#define MSR_K7_PERFCTR0                        0xc0010004
+#define MSR_K7_EVNTSEL1                        0xc0010001
+#define MSR_K7_PERFCTR1                        0xc0010005
+#define MSR_K7_EVNTSEL2                        0xc0010002
+#define MSR_K7_PERFCTR2                        0xc0010006
+#define MSR_K7_EVNTSEL3                        0xc0010003
+#define MSR_K7_PERFCTR3                        0xc0010007
+#define MSR_K7_CLK_CTL                 0xc001001b
+#define MSR_K7_HWCR                    0xc0010015
+#define MSR_K7_FID_VID_CTL             0xc0010041
+#define MSR_K7_FID_VID_STATUS          0xc0010042
+
+/* K6 MSRs */
+#define MSR_K6_WHCR                    0xc0000082
+#define MSR_K6_UWCCR                   0xc0000085
+#define MSR_K6_EPMR                    0xc0000086
+#define MSR_K6_PSOR                    0xc0000087
+#define MSR_K6_PFIR                    0xc0000088
+
+/* Centaur-Hauls/IDT defined MSRs. */
+#define MSR_IDT_FCR1                   0x00000107
+#define MSR_IDT_FCR2                   0x00000108
+#define MSR_IDT_FCR3                   0x00000109
+#define MSR_IDT_FCR4                   0x0000010a
+
+#define MSR_IDT_MCR0                   0x00000110
+#define MSR_IDT_MCR1                   0x00000111
+#define MSR_IDT_MCR2                   0x00000112
+#define MSR_IDT_MCR3                   0x00000113
+#define MSR_IDT_MCR4                   0x00000114
+#define MSR_IDT_MCR5                   0x00000115
+#define MSR_IDT_MCR6                   0x00000116
+#define MSR_IDT_MCR7                   0x00000117
+#define MSR_IDT_MCR_CTRL               0x00000120
+
+/* VIA Cyrix defined MSRs*/
+#define MSR_VIA_FCR                    0x00001107
+#define MSR_VIA_LONGHAUL               0x0000110a
+#define MSR_VIA_RNG                    0x0000110b
+#define MSR_VIA_BCR2                   0x00001147
+
+/* Transmeta defined MSRs */
+#define MSR_TMTA_LONGRUN_CTRL          0x80868010
+#define MSR_TMTA_LONGRUN_FLAGS         0x80868011
+#define MSR_TMTA_LRTI_READOUT          0x80868018
+#define MSR_TMTA_LRTI_VOLT_MHZ         0x8086801a
+
+/* Intel defined MSRs. */
+#define MSR_IA32_P5_MC_ADDR            0x00000000
+#define MSR_IA32_P5_MC_TYPE            0x00000001
+#define MSR_IA32_TSC                   0x00000010
+#define MSR_IA32_PLATFORM_ID           0x00000017
+#define MSR_IA32_EBL_CR_POWERON                0x0000002a
+#define MSR_EBC_FREQUENCY_ID           0x0000002c
+#define MSR_SMI_COUNT                  0x00000034
+#define MSR_IA32_FEATURE_CONTROL        0x0000003a
+#define MSR_IA32_TSC_ADJUST             0x0000003b
+
+#define FEATURE_CONTROL_LOCKED                         (1<<0)
+#define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX       (1<<1)
+#define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX      (1<<2)
+
+#define MSR_IA32_APICBASE              0x0000001b
+#define MSR_IA32_APICBASE_BSP          (1<<8)
+#define MSR_IA32_APICBASE_ENABLE       (1<<11)
+#define MSR_IA32_APICBASE_BASE         (0xfffff<<12)
+
+#define MSR_IA32_TSCDEADLINE           0x000006e0
+
+#define MSR_IA32_UCODE_WRITE           0x00000079
+#define MSR_IA32_UCODE_REV             0x0000008b
+
+#define MSR_IA32_PERF_STATUS           0x00000198
+#define MSR_IA32_PERF_CTL              0x00000199
+#define MSR_AMD_PSTATE_DEF_BASE                0xc0010064
+#define MSR_AMD_PERF_STATUS            0xc0010063
+#define MSR_AMD_PERF_CTL               0xc0010062
+
+#define MSR_IA32_MPERF                 0x000000e7
+#define MSR_IA32_APERF                 0x000000e8
+
+#define MSR_IA32_THERM_CONTROL         0x0000019a
+#define MSR_IA32_THERM_INTERRUPT       0x0000019b
+
+#define THERM_INT_HIGH_ENABLE          (1 << 0)
+#define THERM_INT_LOW_ENABLE           (1 << 1)
+#define THERM_INT_PLN_ENABLE           (1 << 24)
+
+#define MSR_IA32_THERM_STATUS          0x0000019c
+
+#define THERM_STATUS_PROCHOT           (1 << 0)
+#define THERM_STATUS_POWER_LIMIT       (1 << 10)
+
+#define MSR_THERM2_CTL                 0x0000019d
+
+#define MSR_THERM2_CTL_TM_SELECT       (1ULL << 16)
+
+#define MSR_IA32_MISC_ENABLE           0x000001a0
+
+#define MSR_IA32_TEMPERATURE_TARGET    0x000001a2
+
+#define MSR_IA32_ENERGY_PERF_BIAS      0x000001b0
+#define ENERGY_PERF_BIAS_PERFORMANCE   0
+#define ENERGY_PERF_BIAS_NORMAL                6
+#define ENERGY_PERF_BIAS_POWERSAVE     15
+
+#define MSR_IA32_PACKAGE_THERM_STATUS          0x000001b1
+
+#define PACKAGE_THERM_STATUS_PROCHOT           (1 << 0)
+#define PACKAGE_THERM_STATUS_POWER_LIMIT       (1 << 10)
+
+#define MSR_IA32_PACKAGE_THERM_INTERRUPT       0x000001b2
+
+#define PACKAGE_THERM_INT_HIGH_ENABLE          (1 << 0)
+#define PACKAGE_THERM_INT_LOW_ENABLE           (1 << 1)
+#define PACKAGE_THERM_INT_PLN_ENABLE           (1 << 24)
+
+/* Thermal Thresholds Support */
+#define THERM_INT_THRESHOLD0_ENABLE    (1 << 15)
+#define THERM_SHIFT_THRESHOLD0        8
+#define THERM_MASK_THRESHOLD0          (0x7f << THERM_SHIFT_THRESHOLD0)
+#define THERM_INT_THRESHOLD1_ENABLE    (1 << 23)
+#define THERM_SHIFT_THRESHOLD1        16
+#define THERM_MASK_THRESHOLD1          (0x7f << THERM_SHIFT_THRESHOLD1)
+#define THERM_STATUS_THRESHOLD0        (1 << 6)
+#define THERM_LOG_THRESHOLD0           (1 << 7)
+#define THERM_STATUS_THRESHOLD1        (1 << 8)
+#define THERM_LOG_THRESHOLD1           (1 << 9)
+
+/* MISC_ENABLE bits: architectural */
+#define MSR_IA32_MISC_ENABLE_FAST_STRING       (1ULL << 0)
+#define MSR_IA32_MISC_ENABLE_TCC               (1ULL << 1)
+#define MSR_IA32_MISC_ENABLE_EMON              (1ULL << 7)
+#define MSR_IA32_MISC_ENABLE_BTS_UNAVAIL       (1ULL << 11)
+#define MSR_IA32_MISC_ENABLE_PEBS_UNAVAIL      (1ULL << 12)
+#define MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP        (1ULL << 16)
+#define MSR_IA32_MISC_ENABLE_MWAIT             (1ULL << 18)
+#define MSR_IA32_MISC_ENABLE_LIMIT_CPUID       (1ULL << 22)
+#define MSR_IA32_MISC_ENABLE_XTPR_DISABLE      (1ULL << 23)
+#define MSR_IA32_MISC_ENABLE_XD_DISABLE                (1ULL << 34)
+
+/* MISC_ENABLE bits: model-specific, meaning may vary from core to core */
+#define MSR_IA32_MISC_ENABLE_X87_COMPAT                (1ULL << 2)
+#define MSR_IA32_MISC_ENABLE_TM1               (1ULL << 3)
+#define MSR_IA32_MISC_ENABLE_SPLIT_LOCK_DISABLE        (1ULL << 4)
+#define MSR_IA32_MISC_ENABLE_L3CACHE_DISABLE   (1ULL << 6)
+#define MSR_IA32_MISC_ENABLE_SUPPRESS_LOCK     (1ULL << 8)
+#define MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE  (1ULL << 9)
+#define MSR_IA32_MISC_ENABLE_FERR              (1ULL << 10)
+#define MSR_IA32_MISC_ENABLE_FERR_MULTIPLEX    (1ULL << 10)
+#define MSR_IA32_MISC_ENABLE_TM2               (1ULL << 13)
+#define MSR_IA32_MISC_ENABLE_ADJ_PREF_DISABLE  (1ULL << 19)
+#define MSR_IA32_MISC_ENABLE_SPEEDSTEP_LOCK    (1ULL << 20)
+#define MSR_IA32_MISC_ENABLE_L1D_CONTEXT       (1ULL << 24)
+#define MSR_IA32_MISC_ENABLE_DCU_PREF_DISABLE  (1ULL << 37)
+#define MSR_IA32_MISC_ENABLE_TURBO_DISABLE     (1ULL << 38)
+#define MSR_IA32_MISC_ENABLE_IP_PREF_DISABLE   (1ULL << 39)
+
+#define MSR_IA32_TSC_DEADLINE          0x000006E0
+
+/* P4/Xeon+ specific */
+#define MSR_IA32_MCG_EAX               0x00000180
+#define MSR_IA32_MCG_EBX               0x00000181
+#define MSR_IA32_MCG_ECX               0x00000182
+#define MSR_IA32_MCG_EDX               0x00000183
+#define MSR_IA32_MCG_ESI               0x00000184
+#define MSR_IA32_MCG_EDI               0x00000185
+#define MSR_IA32_MCG_EBP               0x00000186
+#define MSR_IA32_MCG_ESP               0x00000187
+#define MSR_IA32_MCG_EFLAGS            0x00000188
+#define MSR_IA32_MCG_EIP               0x00000189
+#define MSR_IA32_MCG_RESERVED          0x0000018a
+
+/* Pentium IV performance counter MSRs */
+#define MSR_P4_BPU_PERFCTR0            0x00000300
+#define MSR_P4_BPU_PERFCTR1            0x00000301
+#define MSR_P4_BPU_PERFCTR2            0x00000302
+#define MSR_P4_BPU_PERFCTR3            0x00000303
+#define MSR_P4_MS_PERFCTR0             0x00000304
+#define MSR_P4_MS_PERFCTR1             0x00000305
+#define MSR_P4_MS_PERFCTR2             0x00000306
+#define MSR_P4_MS_PERFCTR3             0x00000307
+#define MSR_P4_FLAME_PERFCTR0          0x00000308
+#define MSR_P4_FLAME_PERFCTR1          0x00000309
+#define MSR_P4_FLAME_PERFCTR2          0x0000030a
+#define MSR_P4_FLAME_PERFCTR3          0x0000030b
+#define MSR_P4_IQ_PERFCTR0             0x0000030c
+#define MSR_P4_IQ_PERFCTR1             0x0000030d
+#define MSR_P4_IQ_PERFCTR2             0x0000030e
+#define MSR_P4_IQ_PERFCTR3             0x0000030f
+#define MSR_P4_IQ_PERFCTR4             0x00000310
+#define MSR_P4_IQ_PERFCTR5             0x00000311
+#define MSR_P4_BPU_CCCR0               0x00000360
+#define MSR_P4_BPU_CCCR1               0x00000361
+#define MSR_P4_BPU_CCCR2               0x00000362
+#define MSR_P4_BPU_CCCR3               0x00000363
+#define MSR_P4_MS_CCCR0                        0x00000364
+#define MSR_P4_MS_CCCR1                        0x00000365
+#define MSR_P4_MS_CCCR2                        0x00000366
+#define MSR_P4_MS_CCCR3                        0x00000367
+#define MSR_P4_FLAME_CCCR0             0x00000368
+#define MSR_P4_FLAME_CCCR1             0x00000369
+#define MSR_P4_FLAME_CCCR2             0x0000036a
+#define MSR_P4_FLAME_CCCR3             0x0000036b
+#define MSR_P4_IQ_CCCR0                        0x0000036c
+#define MSR_P4_IQ_CCCR1                        0x0000036d
+#define MSR_P4_IQ_CCCR2                        0x0000036e
+#define MSR_P4_IQ_CCCR3                        0x0000036f
+#define MSR_P4_IQ_CCCR4                        0x00000370
+#define MSR_P4_IQ_CCCR5                        0x00000371
+#define MSR_P4_ALF_ESCR0               0x000003ca
+#define MSR_P4_ALF_ESCR1               0x000003cb
+#define MSR_P4_BPU_ESCR0               0x000003b2
+#define MSR_P4_BPU_ESCR1               0x000003b3
+#define MSR_P4_BSU_ESCR0               0x000003a0
+#define MSR_P4_BSU_ESCR1               0x000003a1
+#define MSR_P4_CRU_ESCR0               0x000003b8
+#define MSR_P4_CRU_ESCR1               0x000003b9
+#define MSR_P4_CRU_ESCR2               0x000003cc
+#define MSR_P4_CRU_ESCR3               0x000003cd
+#define MSR_P4_CRU_ESCR4               0x000003e0
+#define MSR_P4_CRU_ESCR5               0x000003e1
+#define MSR_P4_DAC_ESCR0               0x000003a8
+#define MSR_P4_DAC_ESCR1               0x000003a9
+#define MSR_P4_FIRM_ESCR0              0x000003a4
+#define MSR_P4_FIRM_ESCR1              0x000003a5
+#define MSR_P4_FLAME_ESCR0             0x000003a6
+#define MSR_P4_FLAME_ESCR1             0x000003a7
+#define MSR_P4_FSB_ESCR0               0x000003a2
+#define MSR_P4_FSB_ESCR1               0x000003a3
+#define MSR_P4_IQ_ESCR0                        0x000003ba
+#define MSR_P4_IQ_ESCR1                        0x000003bb
+#define MSR_P4_IS_ESCR0                        0x000003b4
+#define MSR_P4_IS_ESCR1                        0x000003b5
+#define MSR_P4_ITLB_ESCR0              0x000003b6
+#define MSR_P4_ITLB_ESCR1              0x000003b7
+#define MSR_P4_IX_ESCR0                        0x000003c8
+#define MSR_P4_IX_ESCR1                        0x000003c9
+#define MSR_P4_MOB_ESCR0               0x000003aa
+#define MSR_P4_MOB_ESCR1               0x000003ab
+#define MSR_P4_MS_ESCR0                        0x000003c0
+#define MSR_P4_MS_ESCR1                        0x000003c1
+#define MSR_P4_PMH_ESCR0               0x000003ac
+#define MSR_P4_PMH_ESCR1               0x000003ad
+#define MSR_P4_RAT_ESCR0               0x000003bc
+#define MSR_P4_RAT_ESCR1               0x000003bd
+#define MSR_P4_SAAT_ESCR0              0x000003ae
+#define MSR_P4_SAAT_ESCR1              0x000003af
+#define MSR_P4_SSU_ESCR0               0x000003be
+#define MSR_P4_SSU_ESCR1               0x000003bf /* guess: not in manual */
+
+#define MSR_P4_TBPU_ESCR0              0x000003c2
+#define MSR_P4_TBPU_ESCR1              0x000003c3
+#define MSR_P4_TC_ESCR0                        0x000003c4
+#define MSR_P4_TC_ESCR1                        0x000003c5
+#define MSR_P4_U2L_ESCR0               0x000003b0
+#define MSR_P4_U2L_ESCR1               0x000003b1
+
+#define MSR_P4_PEBS_MATRIX_VERT                0x000003f2
+
+/* Intel Core-based CPU performance counters */
+#define MSR_CORE_PERF_FIXED_CTR0       0x00000309
+#define MSR_CORE_PERF_FIXED_CTR1       0x0000030a
+#define MSR_CORE_PERF_FIXED_CTR2       0x0000030b
+#define MSR_CORE_PERF_FIXED_CTR_CTRL   0x0000038d
+#define MSR_CORE_PERF_GLOBAL_STATUS    0x0000038e
+#define MSR_CORE_PERF_GLOBAL_CTRL      0x0000038f
+#define MSR_CORE_PERF_GLOBAL_OVF_CTRL  0x00000390
+
+/* Geode defined MSRs */
+#define MSR_GEODE_BUSCONT_CONF0                0x00001900
+
+/* Intel VT MSRs */
+#define MSR_IA32_VMX_BASIC              0x00000480
+#define MSR_IA32_VMX_PINBASED_CTLS      0x00000481
+#define MSR_IA32_VMX_PROCBASED_CTLS     0x00000482
+#define MSR_IA32_VMX_EXIT_CTLS          0x00000483
+#define MSR_IA32_VMX_ENTRY_CTLS         0x00000484
+#define MSR_IA32_VMX_MISC               0x00000485
+#define MSR_IA32_VMX_CR0_FIXED0         0x00000486
+#define MSR_IA32_VMX_CR0_FIXED1         0x00000487
+#define MSR_IA32_VMX_CR4_FIXED0         0x00000488
+#define MSR_IA32_VMX_CR4_FIXED1         0x00000489
+#define MSR_IA32_VMX_VMCS_ENUM          0x0000048a
+#define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
+#define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
+#define MSR_IA32_VMX_TRUE_PINBASED_CTLS  0x0000048d
+#define MSR_IA32_VMX_TRUE_PROCBASED_CTLS 0x0000048e
+#define MSR_IA32_VMX_TRUE_EXIT_CTLS      0x0000048f
+#define MSR_IA32_VMX_TRUE_ENTRY_CTLS     0x00000490
+#define MSR_IA32_VMX_VMFUNC             0x00000491
+
+/* VMX_BASIC bits and bitmasks */
+#define VMX_BASIC_VMCS_SIZE_SHIFT      32
+#define VMX_BASIC_64           0x0001000000000000LLU
+#define VMX_BASIC_MEM_TYPE_SHIFT       50
+#define VMX_BASIC_MEM_TYPE_MASK        0x003c000000000000LLU
+#define VMX_BASIC_MEM_TYPE_WB  6LLU
+#define VMX_BASIC_INOUT                0x0040000000000000LLU
+
+/* MSR_IA32_VMX_MISC bits */
+#define MSR_IA32_VMX_MISC_VMWRITE_SHADOW_RO_FIELDS (1ULL << 29)
+#define MSR_IA32_VMX_MISC_PREEMPTION_TIMER_SCALE   0x1F
+/* AMD-V MSRs */
+
+#define MSR_VM_CR                       0xc0010114
+#define MSR_VM_IGNNE                    0xc0010115
+#define MSR_VM_HSAVE_PA                 0xc0010117
+
+#endif /* _ASM_X86_MSR_INDEX_H */
diff --git a/src/turbostat.c b/src/turbostat.c
new file mode 100644 (file)
index 0000000..755d00f
--- /dev/null
@@ -0,0 +1,1492 @@
+/*
+ * turbostat -- Log CPU frequency and C-state residency
+ * on modern Intel turbo-capable processors for collectd.
+ *
+ * Based on the kernel tools by:
+ * Copyright (c) 2013 Intel Corporation.
+ * Len Brown <len.brown@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Ported to collectd by Vincent Brillault <git@lerya.net>
+ */
+
+#define _GNU_SOURCE
+#include "msr-index.h"
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <err.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <sys/resource.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <sys/time.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include <string.h>
+#include <ctype.h>
+#include <sched.h>
+#include <cpuid.h>
+
+#include "collectd.h"
+#include "common.h"
+#include "plugin.h"
+
+#define PLUGIN_NAME "turbostat"
+
+static const char *proc_stat = "/proc/stat";
+static unsigned int interval_sec = 5;  /* set with -i interval_sec */
+static unsigned int skip_c0;
+static unsigned int skip_c1;
+static unsigned int do_nhm_cstates;
+static unsigned int do_snb_cstates;
+static unsigned int do_c8_c9_c10;
+static unsigned int do_slm_cstates;
+static unsigned int has_aperf;
+static unsigned int has_epb;
+static unsigned int units = 1000000000;        /* Ghz etc */
+static unsigned int genuine_intel;
+static unsigned int has_invariant_tsc;
+static unsigned int do_nehalem_platform_info;
+static int do_smi;
+static unsigned int show_pkg;
+static unsigned int show_core;
+static unsigned int show_cpu;
+static unsigned int do_rapl;
+static unsigned int do_dts;
+static unsigned int do_ptm;
+static unsigned int tcc_activation_temp;
+static unsigned int tcc_activation_temp_override;
+static double rapl_power_units, rapl_energy_units, rapl_time_units;
+static double rapl_joule_counter_range;
+
+#define RAPL_PKG               (1 << 0)
+                                       /* 0x610 MSR_PKG_POWER_LIMIT */
+                                       /* 0x611 MSR_PKG_ENERGY_STATUS */
+#define RAPL_PKG_PERF_STATUS   (1 << 1)
+                                       /* 0x613 MSR_PKG_PERF_STATUS */
+#define RAPL_PKG_POWER_INFO    (1 << 2)
+                                       /* 0x614 MSR_PKG_POWER_INFO */
+
+#define RAPL_DRAM              (1 << 3)
+                                       /* 0x618 MSR_DRAM_POWER_LIMIT */
+                                       /* 0x619 MSR_DRAM_ENERGY_STATUS */
+                                       /* 0x61c MSR_DRAM_POWER_INFO */
+#define RAPL_DRAM_PERF_STATUS  (1 << 4)
+                                       /* 0x61b MSR_DRAM_PERF_STATUS */
+
+#define RAPL_CORES             (1 << 5)
+                                       /* 0x638 MSR_PP0_POWER_LIMIT */
+                                       /* 0x639 MSR_PP0_ENERGY_STATUS */
+#define RAPL_CORE_POLICY       (1 << 6)
+                                       /* 0x63a MSR_PP0_POLICY */
+
+
+#define RAPL_GFX               (1 << 7)
+                                       /* 0x640 MSR_PP1_POWER_LIMIT */
+                                       /* 0x641 MSR_PP1_ENERGY_STATUS */
+                                       /* 0x642 MSR_PP1_POLICY */
+#define        TJMAX_DEFAULT   100
+
+int aperf_mperf_unstable;
+int backwards_count;
+char *progname;
+
+cpu_set_t *cpu_present_set, *cpu_affinity_set;
+size_t cpu_present_setsize, cpu_affinity_setsize;
+
+struct thread_data {
+       unsigned long long tsc;
+       unsigned long long aperf;
+       unsigned long long mperf;
+       unsigned long long c1;
+       unsigned int smi_count;
+       unsigned int cpu_id;
+       unsigned int flags;
+#define CPU_IS_FIRST_THREAD_IN_CORE    0x2
+#define CPU_IS_FIRST_CORE_IN_PACKAGE   0x4
+} *thread_even, *thread_odd;
+
+struct core_data {
+       unsigned long long c3;
+       unsigned long long c6;
+       unsigned long long c7;
+       unsigned int core_temp_c;
+       unsigned int core_id;
+} *core_even, *core_odd;
+
+struct pkg_data {
+       unsigned long long pc2;
+       unsigned long long pc3;
+       unsigned long long pc6;
+       unsigned long long pc7;
+       unsigned long long pc8;
+       unsigned long long pc9;
+       unsigned long long pc10;
+       unsigned int package_id;
+       unsigned int energy_pkg;        /* MSR_PKG_ENERGY_STATUS */
+       unsigned int energy_dram;       /* MSR_DRAM_ENERGY_STATUS */
+       unsigned int energy_cores;      /* MSR_PP0_ENERGY_STATUS */
+       unsigned int energy_gfx;        /* MSR_PP1_ENERGY_STATUS */
+       unsigned int rapl_pkg_perf_status;      /* MSR_PKG_PERF_STATUS */
+       unsigned int rapl_dram_perf_status;     /* MSR_DRAM_PERF_STATUS */
+       unsigned int pkg_temp_c;
+
+} *package_even, *package_odd;
+
+#define ODD_COUNTERS thread_odd, core_odd, package_odd
+#define EVEN_COUNTERS thread_even, core_even, package_even
+static bool is_even = true;
+
+static bool allocated = false;
+static bool initialized = false;
+
+#define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
+       (thread_base + (pkg_no) * topo.num_cores_per_pkg * \
+               topo.num_threads_per_core + \
+               (core_no) * topo.num_threads_per_core + (thread_no))
+#define GET_CORE(core_base, core_no, pkg_no) \
+       (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no))
+#define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
+
+struct topo_params {
+       int num_packages;
+       int num_cpus;
+       int num_cores;
+       int max_cpu_num;
+       int num_cores_per_pkg;
+       int num_threads_per_core;
+} topo;
+
+struct timeval tv_even, tv_odd, tv_delta;
+
+enum return_values {
+       OK = 0,
+       ERR_CPU_MIGRATE,
+       ERR_MSR_IA32_APERF,
+       ERR_MSR_IA32_MPERF,
+       ERR_MSR_SMI_COUNT,
+       ERR_MSR_CORE_C3_RESIDENCY,
+       ERR_MSR_CORE_C6_RESIDENCY,
+       ERR_MSR_CORE_C7_RESIDENCY,
+       ERR_MSR_IA32_THERM_STATUS,
+       ERR_MSR_PKG_C3_RESIDENCY,
+       ERR_MSR_PKG_C6_RESIDENCY,
+       ERR_MSR_PKG_C2_RESIDENCY,
+       ERR_MSR_PKG_C7_RESIDENCY,
+       ERR_MSR_PKG_C8_RESIDENCY,
+       ERR_MSR_PKG_C9_RESIDENCY,
+       ERR_MSR_PKG_C10_RESIDENCY,
+       ERR_MSR_PKG_ENERGY_STATUS,
+       ERR_MSR_PP0_ENERGY_STATUS,
+       ERR_MSR_DRAM_ENERGY_STATUS,
+       ERR_MSR_PP1_ENERGY_STATUS,
+       ERR_MSR_PKG_PERF_STATUS,
+       ERR_MSR_DRAM_PERF_STATUS,
+       ERR_MSR_IA32_PACKAGE_THERM_STATUS,
+       ERR_CPU_NOT_PRESENT,
+       ERR_NO_MSR,
+       ERR_CANT_OPEN_FILE,
+       ERR_CANT_READ_NUMBER,
+       ERR_CANT_READ_PROC_STAT,
+       ERR_NO_INVARIANT_TSC,
+       ERR_NO_APERF,
+       ERR_CALLOC,
+       ERR_CPU_ALLOC,
+       ERR_NOT_ROOT,
+};
+
+#define STATIC_MUST_CHECK(function)          \
+function                                     \
+       __attribute__((warn_unused_result)); \
+function
+
+static int setup_all_buffers(void);
+
+static int cpu_is_not_present(int cpu)
+{
+       return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
+}
+/*
+ * run func(thread, core, package) in topology order
+ * skip non-present cpus
+ */
+
+STATIC_MUST_CHECK(static int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
+       struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base))
+{
+       int retval, pkg_no, core_no, thread_no;
+
+       for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
+               for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
+                       for (thread_no = 0; thread_no <
+                               topo.num_threads_per_core; ++thread_no) {
+                               struct thread_data *t;
+                               struct core_data *c;
+                               struct pkg_data *p;
+
+                               t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
+
+                               if (cpu_is_not_present(t->cpu_id))
+                                       continue;
+
+                               c = GET_CORE(core_base, core_no, pkg_no);
+                               p = GET_PKG(pkg_base, pkg_no);
+
+                               retval = func(t, c, p);
+                               if (retval)
+                                       return retval;
+                       }
+               }
+       }
+       return 0;
+}
+
+STATIC_MUST_CHECK(static int cpu_migrate(int cpu))
+{
+       CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
+       CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
+       if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
+               return -ERR_CPU_MIGRATE;
+       else
+               return 0;
+}
+
+STATIC_MUST_CHECK(static int get_msr(int cpu, off_t offset, unsigned long long *msr))
+{
+       ssize_t retval;
+       char pathname[32];
+       int fd;
+
+       sprintf(pathname, "/dev/cpu/%d/msr", cpu);
+       fd = open(pathname, O_RDONLY);
+       if (fd < 0)
+               return -1;
+
+       retval = pread(fd, msr, sizeof *msr, offset);
+       close(fd);
+
+       if (retval != sizeof *msr) {
+               ERROR ("%s offset 0x%llx read failed\n", pathname, (unsigned long long)offset);
+               return -1;
+       }
+
+       return 0;
+}
+
+#define DELTA_WRAP32(new, old)                 \
+       if (new > old) {                        \
+               old = new - old;                \
+       } else {                                \
+               old = 0x100000000 + new - old;  \
+       }
+
+static void
+delta_package(struct pkg_data *new, struct pkg_data *old)
+{
+       old->pc2 = new->pc2 - old->pc2;
+       old->pc3 = new->pc3 - old->pc3;
+       old->pc6 = new->pc6 - old->pc6;
+       old->pc7 = new->pc7 - old->pc7;
+       old->pc8 = new->pc8 - old->pc8;
+       old->pc9 = new->pc9 - old->pc9;
+       old->pc10 = new->pc10 - old->pc10;
+       old->pkg_temp_c = new->pkg_temp_c;
+
+       DELTA_WRAP32(new->energy_pkg, old->energy_pkg);
+       DELTA_WRAP32(new->energy_cores, old->energy_cores);
+       DELTA_WRAP32(new->energy_gfx, old->energy_gfx);
+       DELTA_WRAP32(new->energy_dram, old->energy_dram);
+       DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status);
+       DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status);
+}
+
+static void
+delta_core(struct core_data *new, struct core_data *old)
+{
+       old->c3 = new->c3 - old->c3;
+       old->c6 = new->c6 - old->c6;
+       old->c7 = new->c7 - old->c7;
+       old->core_temp_c = new->core_temp_c;
+}
+
+/*
+ * old = new - old
+ */
+STATIC_MUST_CHECK(static int
+delta_thread(struct thread_data *new, struct thread_data *old,
+       struct core_data *core_delta))
+{
+       old->tsc = new->tsc - old->tsc;
+
+       /* check for TSC < 1 Mcycles over interval */
+       if (old->tsc < (1000 * 1000)) {
+               WARNING("Insanely slow TSC rate, TSC stops in idle?\n"
+                       "You can disable all c-states by booting with \"idle=poll\"\n"
+                       "or just the deep ones with \"processor.max_cstate=1\"");
+               return -1;
+       }
+
+       old->c1 = new->c1 - old->c1;
+
+       if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
+               old->aperf = new->aperf - old->aperf;
+               old->mperf = new->mperf - old->mperf;
+       } else {
+
+               if (!aperf_mperf_unstable) {
+                       WARNING("%s: APERF or MPERF went backwards *\n", progname);
+                       WARNING("* Frequency results do not cover entire interval *\n");
+                       WARNING("* fix this by running Linux-2.6.30 or later *\n");
+
+                       aperf_mperf_unstable = 1;
+               }
+               /*
+                * mperf delta is likely a huge "positive" number
+                * can not use it for calculating c0 time
+                */
+               skip_c0 = 1;
+               skip_c1 = 1;
+       }
+
+
+       /*
+        * As counter collection is not atomic,
+        * it is possible for mperf's non-halted cycles + idle states
+        * to exceed TSC's all cycles: show c1 = 0% in that case.
+        */
+       if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
+               old->c1 = 0;
+       else {
+               /* normal case, derive c1 */
+               old->c1 = old->tsc - old->mperf - core_delta->c3
+                       - core_delta->c6 - core_delta->c7;
+       }
+
+       if (old->mperf == 0) {
+               WARNING("cpu%d MPERF 0!\n", old->cpu_id);
+               old->mperf = 1; /* divide by 0 protection */
+       }
+
+       if (do_smi)
+               old->smi_count = new->smi_count - old->smi_count;
+
+       return 0;
+}
+
+STATIC_MUST_CHECK(static int delta_cpu(struct thread_data *t, struct core_data *c,
+       struct pkg_data *p, struct thread_data *t2,
+       struct core_data *c2, struct pkg_data *p2))
+{
+       int ret;
+
+       /* calculate core delta only for 1st thread in core */
+       if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE)
+               delta_core(c, c2);
+
+       /* always calculate thread delta */
+       ret = delta_thread(t, t2, c2);  /* c2 is core delta */
+       if (ret != 0)
+               return ret;
+
+       /* calculate package delta only for 1st core in package */
+       if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)
+               delta_package(p, p2);
+
+       return 0;
+}
+
+static unsigned long long rdtsc(void)
+{
+       unsigned int low, high;
+
+       asm volatile("rdtsc" : "=a" (low), "=d" (high));
+
+       return low | ((unsigned long long)high) << 32;
+}
+
+
+/*
+ * get_counters(...)
+ * migrate to cpu
+ * acquire and record local counters for that cpu
+ */
+STATIC_MUST_CHECK(static int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p))
+{
+       int cpu = t->cpu_id;
+       unsigned long long msr;
+
+       if (cpu_migrate(cpu)) {
+               WARNING("Could not migrate to CPU %d\n", cpu);
+               return -ERR_CPU_MIGRATE;
+       }
+
+       t->tsc = rdtsc();       /* we are running on local CPU of interest */
+
+       if (has_aperf) {
+               if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
+                       return -ERR_MSR_IA32_APERF;
+               if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
+                       return -ERR_MSR_IA32_MPERF;
+       }
+
+       if (do_smi) {
+               if (get_msr(cpu, MSR_SMI_COUNT, &msr))
+                       return -ERR_MSR_SMI_COUNT;
+               t->smi_count = msr & 0xFFFFFFFF;
+       }
+
+       /* collect core counters only for 1st thread in core */
+       if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
+               return 0;
+
+       if (do_nhm_cstates && !do_slm_cstates) {
+               if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
+                       return -ERR_MSR_CORE_C3_RESIDENCY;
+       }
+
+       if (do_nhm_cstates) {
+               if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
+                       return -ERR_MSR_CORE_C6_RESIDENCY;
+       }
+
+       if (do_snb_cstates)
+               if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
+                       return -ERR_MSR_CORE_C7_RESIDENCY;
+
+       if (do_dts) {
+               if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
+                       return -ERR_MSR_IA32_THERM_STATUS;
+               c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
+       }
+
+
+       /* collect package counters only for 1st core in package */
+       if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+               return 0;
+
+       if (do_nhm_cstates && !do_slm_cstates) {
+               if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
+                       return -ERR_MSR_PKG_C3_RESIDENCY;
+               if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
+                       return -ERR_MSR_PKG_C6_RESIDENCY;
+       }
+       if (do_snb_cstates) {
+               if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
+                       return -ERR_MSR_PKG_C2_RESIDENCY;
+               if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
+                       return -ERR_MSR_PKG_C7_RESIDENCY;
+       }
+       if (do_c8_c9_c10) {
+               if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8))
+                       return -ERR_MSR_PKG_C8_RESIDENCY;
+               if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9))
+                       return -ERR_MSR_PKG_C9_RESIDENCY;
+               if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10))
+                       return -ERR_MSR_PKG_C10_RESIDENCY;
+       }
+       if (do_rapl & RAPL_PKG) {
+               if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr))
+                       return -ERR_MSR_PKG_ENERGY_STATUS;
+               p->energy_pkg = msr & 0xFFFFFFFF;
+       }
+       if (do_rapl & RAPL_CORES) {
+               if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr))
+                       return MSR_PP0_ENERGY_STATUS;
+               p->energy_cores = msr & 0xFFFFFFFF;
+       }
+       if (do_rapl & RAPL_DRAM) {
+               if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
+                       return -ERR_MSR_DRAM_ENERGY_STATUS;
+               p->energy_dram = msr & 0xFFFFFFFF;
+       }
+       if (do_rapl & RAPL_GFX) {
+               if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr))
+                       return -ERR_MSR_PP1_ENERGY_STATUS;
+               p->energy_gfx = msr & 0xFFFFFFFF;
+       }
+       if (do_rapl & RAPL_PKG_PERF_STATUS) {
+               if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr))
+                       return -ERR_MSR_PKG_PERF_STATUS;
+               p->rapl_pkg_perf_status = msr & 0xFFFFFFFF;
+       }
+       if (do_rapl & RAPL_DRAM_PERF_STATUS) {
+               if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr))
+                       return -ERR_MSR_DRAM_PERF_STATUS;
+               p->rapl_dram_perf_status = msr & 0xFFFFFFFF;
+       }
+       if (do_ptm) {
+               if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
+                       return -ERR_MSR_IA32_PACKAGE_THERM_STATUS;
+               p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
+       }
+       return 0;
+}
+
+static void free_all_buffers(void)
+{
+       allocated = false;
+       initialized = false;
+
+       CPU_FREE(cpu_present_set);
+       cpu_present_set = NULL;
+       cpu_present_set = 0;
+
+       CPU_FREE(cpu_affinity_set);
+       cpu_affinity_set = NULL;
+       cpu_affinity_setsize = 0;
+
+       free(thread_even);
+       free(core_even);
+       free(package_even);
+
+       thread_even = NULL;
+       core_even = NULL;
+       package_even = NULL;
+
+       free(thread_odd);
+       free(core_odd);
+       free(package_odd);
+
+       thread_odd = NULL;
+       core_odd = NULL;
+       package_odd = NULL;
+}
+
+/*
+ * Parse a file containing a single int.
+ */
+static int parse_int_file(const char *fmt, ...)
+{
+       va_list args;
+       char path[PATH_MAX];
+       FILE *filep;
+       int value;
+
+       va_start(args, fmt);
+       vsnprintf(path, sizeof(path), fmt, args);
+       va_end(args);
+       filep = fopen(path, "r");
+       if (!filep) {
+               ERROR("%s: open failed", path);
+               return -ERR_CANT_OPEN_FILE;
+       }
+       if (fscanf(filep, "%d", &value) != 1) {
+               ERROR("%s: failed to parse number from file", path);
+               return -ERR_CANT_READ_NUMBER;
+       }
+       fclose(filep);
+       return value;
+}
+
+/*
+ * cpu_is_first_sibling_in_core(cpu)
+ * return 1 if given CPU is 1st HT sibling in the core
+ */
+static int cpu_is_first_sibling_in_core(int cpu)
+{
+       return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
+}
+
+/*
+ * cpu_is_first_core_in_package(cpu)
+ * return 1 if given CPU is 1st core in package
+ */
+static int cpu_is_first_core_in_package(int cpu)
+{
+       return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
+}
+
+static int get_physical_package_id(int cpu)
+{
+       return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
+}
+
+static int get_core_id(int cpu)
+{
+       return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
+}
+
+static int get_num_ht_siblings(int cpu)
+{
+       char path[80];
+       FILE *filep;
+       int sib1, sib2;
+       int matches;
+       char character;
+
+       sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
+       filep = fopen(path, "r");
+        if (!filep) {
+                ERROR("%s: open failed", path);
+                return -ERR_CANT_OPEN_FILE;
+        }
+       /*
+        * file format:
+        * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4)
+        * otherwinse 1 sibling (self).
+        */
+       matches = fscanf(filep, "%d%c%d\n", &sib1, &character, &sib2);
+
+       fclose(filep);
+
+       if (matches == 3)
+               return 2;
+       else
+               return 1;
+}
+
+/*
+ * run func(thread, core, package) in topology order
+ * skip non-present cpus
+ */
+
+STATIC_MUST_CHECK(
+static int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *,
+       struct pkg_data *, struct thread_data *, struct core_data *,
+       struct pkg_data *), struct thread_data *thread_base,
+       struct core_data *core_base, struct pkg_data *pkg_base,
+       struct thread_data *thread_base2, struct core_data *core_base2,
+       struct pkg_data *pkg_base2))
+{
+       int retval, pkg_no, core_no, thread_no;
+
+       for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
+               for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
+                       for (thread_no = 0; thread_no <
+                               topo.num_threads_per_core; ++thread_no) {
+                               struct thread_data *t, *t2;
+                               struct core_data *c, *c2;
+                               struct pkg_data *p, *p2;
+
+                               t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
+
+                               if (cpu_is_not_present(t->cpu_id))
+                                       continue;
+
+                               t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no);
+
+                               c = GET_CORE(core_base, core_no, pkg_no);
+                               c2 = GET_CORE(core_base2, core_no, pkg_no);
+
+                               p = GET_PKG(pkg_base, pkg_no);
+                               p2 = GET_PKG(pkg_base2, pkg_no);
+
+                               retval = func(t, c, p, t2, c2, p2);
+                               if (retval)
+                                       return retval;
+                       }
+               }
+       }
+       return 0;
+}
+
+/*
+ * run func(cpu) on every cpu in /proc/stat
+ * return max_cpu number
+ */
+STATIC_MUST_CHECK(static int for_all_proc_cpus(int (func)(int)))
+{
+       FILE *fp;
+       int cpu_num;
+       int retval;
+
+       fp = fopen(proc_stat, "r");
+        if (!fp) {
+                ERROR("%s: open failed", proc_stat);
+                return -ERR_CANT_OPEN_FILE;
+        }
+
+       retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
+       if (retval != 0) {
+               ERROR("%s: failed to parse format", proc_stat);
+               return -ERR_CANT_READ_PROC_STAT;
+       }
+
+       while (1) {
+               retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
+               if (retval != 1)
+                       break;
+
+               retval = func(cpu_num);
+               if (retval) {
+                       fclose(fp);
+                       return(retval);
+               }
+       }
+       fclose(fp);
+       return 0;
+}
+
+/*
+ * count_cpus()
+ * remember the last one seen, it will be the max
+ */
+static int count_cpus(int cpu)
+{
+       if (topo.max_cpu_num < cpu)
+               topo.max_cpu_num = cpu;
+
+       topo.num_cpus += 1;
+       return 0;
+}
+static int mark_cpu_present(int cpu)
+{
+       CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
+       return 0;
+}
+
+
+static void turbostat_submit (const char *plugin_instance,
+       const char *type, const char *type_instance,
+       gauge_t value)
+{
+       value_list_t vl = VALUE_LIST_INIT;
+       value_t v;
+
+       v.gauge = value;
+       vl.values = &v;
+       vl.values_len = 1;
+       sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+       sstrncpy (vl.plugin, PLUGIN_NAME, sizeof (vl.plugin));
+       if (plugin_instance != NULL)
+               sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));
+       sstrncpy (vl.type, type, sizeof (vl.type));
+       if (type_instance != NULL)
+               sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
+
+       plugin_dispatch_values (&vl);
+}
+
+/*
+ * column formatting convention & formats
+ * package: "pk" 2 columns %2d
+ * core: "cor" 3 columns %3d
+ * CPU: "CPU" 3 columns %3d
+ * Pkg_W: %6.2
+ * Cor_W: %6.2
+ * GFX_W: %5.2
+ * RAM_W: %5.2
+ * GHz: "GHz" 3 columns %3.2
+ * TSC: "TSC" 3 columns %3.2
+ * SMI: "SMI" 4 columns %4d
+ * percentage " %pc3" %6.2
+ * Perf Status percentage: %5.2
+ * "CTMP" 4 columns %4d
+ */
+#define NAME_LEN 12
+static int submit_counters(struct thread_data *t, struct core_data *c,
+       struct pkg_data *p)
+{
+       char name[NAME_LEN];
+       double interval_float;
+
+       interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;
+
+       snprintf(name, NAME_LEN, "cpu%02d", t->cpu_id);
+
+       if (do_nhm_cstates) {
+               if (!skip_c0)
+                       turbostat_submit(name, "percent", "c0", 100.0 * t->mperf/t->tsc);
+               if (!skip_c1)
+                       turbostat_submit(name, "percent", "c1", 100.0 * t->c1/t->tsc);
+       }
+
+       /* GHz */
+       if (has_aperf && ((!aperf_mperf_unstable) || (!(t->aperf > t->tsc || t->mperf > t->tsc))))
+               turbostat_submit(NULL, "frequency", name, 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float);
+
+       /* SMI */
+       if (do_smi)
+               turbostat_submit(NULL, "current", name, t->smi_count);
+
+       /* print per-core data only for 1st thread in core */
+       if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
+               goto done;
+
+       snprintf(name, NAME_LEN, "core%02d", c->core_id);
+
+       if (do_nhm_cstates && !do_slm_cstates)
+               turbostat_submit(name, "percent", "c3", 100.0 * c->c3/t->tsc);
+       if (do_nhm_cstates)
+               turbostat_submit(name, "percent", "c6", 100.0 * c->c6/t->tsc);
+       if (do_snb_cstates)
+               turbostat_submit(name, "percent", "c7", 100.0 * c->c7/t->tsc);
+
+       if (do_dts)
+               turbostat_submit(NULL, "temperature", name, c->core_temp_c);
+
+       /* print per-package data only for 1st core in package */
+       if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+               goto done;
+
+       snprintf(name, NAME_LEN, "pc%02d", p->package_id);
+
+       if (do_ptm)
+               turbostat_submit(NULL, "temperature", name, p->pkg_temp_c);
+
+       if (do_snb_cstates)
+               turbostat_submit(name, "percent", "pc2", 100.0 * p->pc2/t->tsc);
+       if (do_nhm_cstates && !do_slm_cstates)
+               turbostat_submit(name, "percent", "pc3", 100.0 * p->pc3/t->tsc);
+       if (do_nhm_cstates && !do_slm_cstates)
+               turbostat_submit(name, "percent", "pc6", 100.0 * p->pc6/t->tsc);
+       if (do_snb_cstates)
+               turbostat_submit(name, "percent", "pc7", 100.0 * p->pc7/t->tsc);
+       if (do_c8_c9_c10) {
+               turbostat_submit(name, "percent", "pc8", 100.0 * p->pc8/t->tsc);
+               turbostat_submit(name, "percent", "pc9", 100.0 * p->pc9/t->tsc);
+               turbostat_submit(name, "percent", "pc10", 100.0 * p->pc10/t->tsc);
+       }
+
+       if (do_rapl) {
+               if (do_rapl & RAPL_PKG)
+                       turbostat_submit(name, "power", "Pkg_W", p->energy_pkg * rapl_energy_units / interval_float);
+               if (do_rapl & RAPL_CORES)
+                       turbostat_submit(name, "power", "Cor_W", p->energy_cores * rapl_energy_units / interval_float);
+               if (do_rapl & RAPL_GFX)
+                       turbostat_submit(name, "power", "GFX_W", p->energy_gfx * rapl_energy_units / interval_float);
+               if (do_rapl & RAPL_DRAM)
+                       turbostat_submit(name, "power", "RAM_W", p->energy_dram * rapl_energy_units / interval_float);
+       }
+done:
+       return 0;
+}
+
+static int turbostat_read (user_data_t * not_used)
+{
+       int ret;
+
+       if (!allocated) {
+               if ((ret = setup_all_buffers()) < 0)
+                       return ret;
+       }
+
+       if (for_all_proc_cpus(cpu_is_not_present)) {
+               free_all_buffers();
+               if ((ret = setup_all_buffers()) < 0)
+                       return ret;
+               if (for_all_proc_cpus(cpu_is_not_present))
+                       return -ERR_CPU_NOT_PRESENT;
+       }
+
+       if (!initialized) {
+               if ((ret = for_all_cpus(get_counters, EVEN_COUNTERS)) < 0)
+                       return ret;
+               gettimeofday(&tv_even, (struct timezone *)NULL);
+               is_even = true;
+               initialized = true;
+               return 0;
+       }
+
+       if (is_even) {
+               if ((ret = for_all_cpus(get_counters, ODD_COUNTERS)) < 0)
+                       return ret;
+               gettimeofday(&tv_odd, (struct timezone *)NULL);
+               is_even = false;
+               timersub(&tv_odd, &tv_even, &tv_delta);
+               if ((ret = for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) < 0)
+                       return ret;
+               if ((ret = for_all_cpus(submit_counters, EVEN_COUNTERS)) < 0)
+                       return ret;
+       } else {
+               if ((ret = for_all_cpus(get_counters, EVEN_COUNTERS)) < 0)
+                       return ret;
+               gettimeofday(&tv_even, (struct timezone *)NULL);
+               is_even = true;
+               timersub(&tv_even, &tv_odd, &tv_delta);
+               if ((ret = for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS)) < 0)
+                       return ret;
+               if ((ret = for_all_cpus(submit_counters, ODD_COUNTERS)) < 0)
+                       return ret;
+       }
+       return 0;
+}
+
+STATIC_MUST_CHECK(static int check_dev_msr())
+{
+       struct stat sb;
+
+       if (stat("/dev/cpu/0/msr", &sb)) {
+               ERROR("no /dev/cpu/0/msr\n"
+                       "Try \"# modprobe msr\"");
+               return -ERR_NO_MSR;
+       }
+       return 0;
+}
+
+STATIC_MUST_CHECK(static int check_super_user())
+{
+       if (getuid() != 0) {
+               ERROR("must be root");
+               return -ERR_NOT_ROOT;
+       }
+       return 0;
+}
+
+
+#define        RAPL_POWER_GRANULARITY  0x7FFF  /* 15 bit power granularity */
+#define        RAPL_TIME_GRANULARITY   0x3F /* 6 bit time granularity */
+
+static double get_tdp(unsigned int model)
+{
+       unsigned long long msr;
+
+       if (do_rapl & RAPL_PKG_POWER_INFO)
+               if (!get_msr(0, MSR_PKG_POWER_INFO, &msr))
+                       return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
+
+       switch (model) {
+       case 0x37:
+       case 0x4D:
+               return 30.0;
+       default:
+               return 135.0;
+       }
+}
+
+
+/*
+ * rapl_probe()
+ *
+ * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
+ */
+static void rapl_probe(unsigned int family, unsigned int model)
+{
+       unsigned long long msr;
+       unsigned int time_unit;
+       double tdp;
+
+       if (!genuine_intel)
+               return;
+
+       if (family != 6)
+               return;
+
+       switch (model) {
+       case 0x2A:
+       case 0x3A:
+       case 0x3C:      /* HSW */
+       case 0x45:      /* HSW */
+       case 0x46:      /* HSW */
+               do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO;
+               break;
+       case 0x3F:      /* HSX */
+               do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
+               break;
+       case 0x2D:
+       case 0x3E:
+               do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO;
+               break;
+       case 0x37:      /* BYT */
+       case 0x4D:      /* AVN */
+               do_rapl = RAPL_PKG | RAPL_CORES ;
+               break;
+       default:
+               return;
+       }
+
+       /* units on package 0, verify later other packages match */
+       if (get_msr(0, MSR_RAPL_POWER_UNIT, &msr))
+               return;
+
+       rapl_power_units = 1.0 / (1 << (msr & 0xF));
+       if (model == 0x37)
+               rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
+       else
+               rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
+
+       time_unit = msr >> 16 & 0xF;
+       if (time_unit == 0)
+               time_unit = 0xA;
+
+       rapl_time_units = 1.0 / (1 << (time_unit));
+
+       tdp = get_tdp(model);
+
+       rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
+//     if (verbose)
+//             fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
+
+       return;
+}
+
+static int is_snb(unsigned int family, unsigned int model)
+{
+       if (!genuine_intel)
+               return 0;
+
+       switch (model) {
+       case 0x2A:
+       case 0x2D:
+       case 0x3A:      /* IVB */
+       case 0x3E:      /* IVB Xeon */
+       case 0x3C:      /* HSW */
+       case 0x3F:      /* HSW */
+       case 0x45:      /* HSW */
+       case 0x46:      /* HSW */
+               return 1;
+       }
+       return 0;
+}
+
+static int has_c8_c9_c10(unsigned int family, unsigned int model)
+{
+       if (!genuine_intel)
+               return 0;
+
+       switch (model) {
+       case 0x45:
+               return 1;
+       }
+       return 0;
+}
+
+
+static int is_slm(unsigned int family, unsigned int model)
+{
+       if (!genuine_intel)
+               return 0;
+       switch (model) {
+       case 0x37:      /* BYT */
+       case 0x4D:      /* AVN */
+               return 1;
+       }
+       return 0;
+}
+
+/*
+ * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
+ * the Thermal Control Circuit (TCC) activates.
+ * This is usually equal to tjMax.
+ *
+ * Older processors do not have this MSR, so there we guess,
+ * but also allow cmdline over-ride with -T.
+ *
+ * Several MSR temperature values are in units of degrees-C
+ * below this value, including the Digital Thermal Sensor (DTS),
+ * Package Thermal Management Sensor (PTM), and thermal event thresholds.
+ */
+STATIC_MUST_CHECK(static int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p))
+{
+       unsigned long long msr;
+       unsigned int target_c_local;
+       int cpu;
+
+       /* tcc_activation_temp is used only for dts or ptm */
+       if (!(do_dts || do_ptm))
+               return 0;
+
+       /* this is a per-package concept */
+       if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+               return 0;
+
+       cpu = t->cpu_id;
+       if (cpu_migrate(cpu)) {
+               ERROR("Could not migrate to CPU %d\n", cpu);
+               return -ERR_CPU_MIGRATE;
+       }
+
+       if (tcc_activation_temp_override != 0) {
+               tcc_activation_temp = tcc_activation_temp_override;
+               ERROR("cpu%d: Using cmdline TCC Target (%d C)\n",
+                       cpu, tcc_activation_temp);
+               return 0;
+       }
+
+       /* Temperature Target MSR is Nehalem and newer only */
+       if (!do_nehalem_platform_info)
+               goto guess;
+
+       if (get_msr(0, MSR_IA32_TEMPERATURE_TARGET, &msr))
+               goto guess;
+
+       target_c_local = (msr >> 16) & 0x7F;
+
+       if (target_c_local < 85 || target_c_local > 127)
+               goto guess;
+
+       tcc_activation_temp = target_c_local;
+
+       return 0;
+
+guess:
+       tcc_activation_temp = TJMAX_DEFAULT;
+       WARNING("cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
+               cpu, tcc_activation_temp);
+
+       return 0;
+}
+
+STATIC_MUST_CHECK(static int check_cpuid())
+{
+       unsigned int eax, ebx, ecx, edx, max_level;
+       unsigned int fms, family, model;
+
+       eax = ebx = ecx = edx = 0;
+
+       __get_cpuid(0, &max_level, &ebx, &ecx, &edx);
+
+       if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e)
+               genuine_intel = 1;
+
+       fms = 0;
+       __get_cpuid(1, &fms, &ebx, &ecx, &edx);
+       family = (fms >> 8) & 0xf;
+       model = (fms >> 4) & 0xf;
+       if (family == 6 || family == 0xf)
+               model += ((fms >> 16) & 0xf) << 4;
+
+       if (!(edx & (1 << 5))) {
+               ERROR("CPUID: no MSR");
+               return -ERR_NO_MSR;
+       }
+
+       /*
+        * check max extended function levels of CPUID.
+        * This is needed to check for invariant TSC.
+        * This check is valid for both Intel and AMD.
+        */
+       ebx = ecx = edx = 0;
+       __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx);
+
+       if (max_level < 0x80000007) {
+               ERROR("CPUID: no invariant TSC (max_level 0x%x)", max_level);
+               return -ERR_NO_INVARIANT_TSC;
+       }
+
+       /*
+        * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
+        * this check is valid for both Intel and AMD
+        */
+       __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx);
+       has_invariant_tsc = edx & (1 << 8);
+
+       if (!has_invariant_tsc) {
+               ERROR("No invariant TSC");
+               return -ERR_NO_INVARIANT_TSC;
+       }
+
+       /*
+        * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
+        * this check is valid for both Intel and AMD
+        */
+
+       __get_cpuid(0x6, &eax, &ebx, &ecx, &edx);
+       has_aperf = ecx & (1 << 0);
+       do_dts = eax & (1 << 0);
+       do_ptm = eax & (1 << 6);
+       has_epb = ecx & (1 << 3);
+
+       if (!has_aperf) {
+               ERROR("No APERF");
+               return -ERR_NO_APERF;
+       }
+
+       do_nehalem_platform_info = genuine_intel && has_invariant_tsc;
+       do_nhm_cstates = genuine_intel; /* all Intel w/ non-stop TSC have NHM counters */
+       do_smi = do_nhm_cstates;
+       do_snb_cstates = is_snb(family, model);
+       do_c8_c9_c10 = has_c8_c9_c10(family, model);
+       do_slm_cstates = is_slm(family, model);
+
+       rapl_probe(family, model);
+
+       return 0;
+}
+
+
+
+STATIC_MUST_CHECK(static int topology_probe())
+{
+       int i;
+       int ret;
+       int max_core_id = 0;
+       int max_package_id = 0;
+       int max_siblings = 0;
+       struct cpu_topology {
+               int core_id;
+               int physical_package_id;
+       } *cpus;
+
+       /* Initialize num_cpus, max_cpu_num */
+       topo.num_cpus = 0;
+       topo.max_cpu_num = 0;
+       ret = for_all_proc_cpus(count_cpus);
+       if (ret < 0)
+               return ret;
+       if (topo.num_cpus > 1)
+               show_cpu = 1;
+
+       DEBUG("num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num);
+
+       cpus = calloc(1, (topo.max_cpu_num  + 1) * sizeof(struct cpu_topology));
+       if (cpus == NULL) {
+               ERROR("calloc cpus");
+               return -ERR_CALLOC;
+       }
+
+       /*
+        * Allocate and initialize cpu_present_set
+        */
+       cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1));
+       if (cpu_present_set == NULL) {
+               free(cpus);
+               ERROR("CPU_ALLOC");
+               return -ERR_CPU_ALLOC;
+       }
+       cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
+       CPU_ZERO_S(cpu_present_setsize, cpu_present_set);
+       ret = for_all_proc_cpus(mark_cpu_present);
+       if (ret < 0) {
+               free(cpus);
+               return ret;
+       }
+
+       /*
+        * Allocate and initialize cpu_affinity_set
+        */
+       cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1));
+       if (cpu_affinity_set == NULL) {
+               free(cpus);
+               ERROR("CPU_ALLOC");
+               return -ERR_CPU_ALLOC;
+       }
+       cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
+       CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
+
+
+       /*
+        * For online cpus
+        * find max_core_id, max_package_id
+        */
+       for (i = 0; i <= topo.max_cpu_num; ++i) {
+               int siblings;
+
+               if (cpu_is_not_present(i)) {
+                       //if (verbose > 1)
+                               fprintf(stderr, "cpu%d NOT PRESENT\n", i);
+                       continue;
+               }
+               cpus[i].core_id = get_core_id(i);
+               if (cpus[i].core_id < 0)
+                       return cpus[i].core_id;
+               if (cpus[i].core_id > max_core_id)
+                       max_core_id = cpus[i].core_id;
+
+               cpus[i].physical_package_id = get_physical_package_id(i);
+               if (cpus[i].physical_package_id < 0)
+                       return cpus[i].physical_package_id;
+               if (cpus[i].physical_package_id > max_package_id)
+                       max_package_id = cpus[i].physical_package_id;
+
+               siblings = get_num_ht_siblings(i);
+               if (siblings < 0)
+                       return siblings;
+               if (siblings > max_siblings)
+                       max_siblings = siblings;
+               DEBUG("cpu %d pkg %d core %d\n",
+                       i, cpus[i].physical_package_id, cpus[i].core_id);
+       }
+       topo.num_cores_per_pkg = max_core_id + 1;
+       DEBUG("max_core_id %d, sizing for %d cores per package\n",
+               max_core_id, topo.num_cores_per_pkg);
+       if (topo.num_cores_per_pkg > 1)
+               show_core = 1;
+
+       topo.num_packages = max_package_id + 1;
+       DEBUG("max_package_id %d, sizing for %d packages\n",
+               max_package_id, topo.num_packages);
+       if (topo.num_packages > 1)
+               show_pkg = 1;
+
+       topo.num_threads_per_core = max_siblings;
+       DEBUG("max_siblings %d\n", max_siblings);
+
+       free(cpus);
+       return 0;
+}
+
+static int
+allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p)
+{
+       int i;
+
+       *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg *
+               topo.num_packages, sizeof(struct thread_data));
+       if (*t == NULL)
+               goto error;
+
+       for (i = 0; i < topo.num_threads_per_core *
+               topo.num_cores_per_pkg * topo.num_packages; i++)
+               (*t)[i].cpu_id = -1;
+
+       *c = calloc(topo.num_cores_per_pkg * topo.num_packages,
+               sizeof(struct core_data));
+       if (*c == NULL)
+               goto error;
+
+       for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++)
+               (*c)[i].core_id = -1;
+
+       *p = calloc(topo.num_packages, sizeof(struct pkg_data));
+       if (*p == NULL)
+               goto error;
+
+       for (i = 0; i < topo.num_packages; i++)
+               (*p)[i].package_id = i;
+
+       return 0;
+error:
+       ERROR("calloc counters");
+       return -ERR_CALLOC;
+}
+/*
+ * init_counter()
+ *
+ * set cpu_id, core_num, pkg_num
+ * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
+ *
+ * increment topo.num_cores when 1st core in pkg seen
+ */
+static int init_counter(struct thread_data *thread_base, struct core_data *core_base,
+       struct pkg_data *pkg_base, int thread_num, int core_num,
+       int pkg_num, int cpu_id)
+{
+       int ret;
+       struct thread_data *t;
+       struct core_data *c;
+       struct pkg_data *p;
+
+       t = GET_THREAD(thread_base, thread_num, core_num, pkg_num);
+       c = GET_CORE(core_base, core_num, pkg_num);
+       p = GET_PKG(pkg_base, pkg_num);
+
+       t->cpu_id = cpu_id;
+       if (thread_num == 0) {
+               t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
+               if ((ret = cpu_is_first_core_in_package(cpu_id)) < 0) {
+                       return ret;
+               } else if (ret != 0) {
+                       t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
+               }
+       }
+
+       c->core_id = core_num;
+       p->package_id = pkg_num;
+
+       return 0;
+}
+
+
+static int initialize_counters(int cpu_id)
+{
+       int my_thread_id, my_core_id, my_package_id;
+       int ret;
+
+       my_package_id = get_physical_package_id(cpu_id);
+       if (my_package_id < 0)
+               return my_package_id;
+       my_core_id = get_core_id(cpu_id);
+       if (my_core_id < 0)
+               return my_core_id;
+
+       if ((ret = cpu_is_first_sibling_in_core(cpu_id)) < 0) {
+               return ret;
+       } else if (ret != 0) {
+               my_thread_id = 0;
+               topo.num_cores++;
+       } else {
+               my_thread_id = 1;
+       }
+
+       ret = init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
+       if (ret < 0)
+               return ret;
+       ret = init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
+       if (ret < 0)
+               return ret;
+       return 0;
+}
+
+#define DO_OR_GOTO_ERR(something) \
+do {                         \
+       ret = something;     \
+       if (ret < 0)         \
+               goto err;    \
+} while (0);
+
+static int setup_all_buffers(void)
+{
+       int ret;
+
+       DO_OR_GOTO_ERR(topology_probe())
+       DO_OR_GOTO_ERR(allocate_counters(&thread_even, &core_even, &package_even))
+       DO_OR_GOTO_ERR(allocate_counters(&thread_odd, &core_odd, &package_odd))
+       DO_OR_GOTO_ERR(for_all_proc_cpus(initialize_counters))
+
+       allocated = true;
+       return 0;
+err:
+       free_all_buffers();
+       return ret;
+}
+
+static int turbostat_init(void)
+{
+       int ret;
+       struct timespec ts;
+
+       DO_OR_GOTO_ERR(check_cpuid())
+       DO_OR_GOTO_ERR(check_dev_msr())
+       DO_OR_GOTO_ERR(check_super_user())
+       DO_OR_GOTO_ERR(setup_all_buffers())
+       DO_OR_GOTO_ERR(for_all_cpus(set_temperature_target, EVEN_COUNTERS))
+
+       ts.tv_sec = interval_sec;
+       ts.tv_nsec = 0;
+
+       plugin_register_complex_read(NULL, PLUGIN_NAME, turbostat_read, &ts, NULL);
+
+       return 0;
+err:
+       free_all_buffers();
+       return ret;
+}
+
+static const char *config_keys[] =
+{
+       "Interval",
+};
+static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
+
+static int turbostat_config (const char *key, const char *value)
+{
+       if (strcasecmp("Interval", key) == 0)
+               interval_sec = atoi(value);
+       else
+               return -1;
+       return 0;
+}
+
+void module_register (void);
+void module_register (void)
+{
+       plugin_register_init(PLUGIN_NAME, turbostat_init);
+       plugin_register_config(PLUGIN_NAME, turbostat_config, config_keys, config_keys_num);
+}