Merge branch 'x86/cpufeature' into x86/cache
Resolve the cpu/scattered conflict. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Цей коміт міститься в:
@@ -3607,10 +3607,14 @@ __init int intel_pmu_init(void)
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/*
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* Quirk: v2 perfmon does not report fixed-purpose events, so
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* assume at least 3 events:
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* assume at least 3 events, when not running in a hypervisor:
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*/
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if (version > 1)
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x86_pmu.num_counters_fixed = max((int)edx.split.num_counters_fixed, 3);
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if (version > 1) {
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int assume = 3 * !boot_cpu_has(X86_FEATURE_HYPERVISOR);
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x86_pmu.num_counters_fixed =
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max((int)edx.split.num_counters_fixed, assume);
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}
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if (boot_cpu_has(X86_FEATURE_PDCM)) {
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u64 capabilities;
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@@ -48,7 +48,8 @@
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* Scope: Core
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* MSR_CORE_C6_RESIDENCY: CORE C6 Residency Counter
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* perf code: 0x02
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* Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW,SKL
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* Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW
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* SKL,KNL
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* Scope: Core
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* MSR_CORE_C7_RESIDENCY: CORE C7 Residency Counter
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* perf code: 0x03
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@@ -56,15 +57,16 @@
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* Scope: Core
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* MSR_PKG_C2_RESIDENCY: Package C2 Residency Counter.
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* perf code: 0x00
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* Available model: SNB,IVB,HSW,BDW,SKL
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* Available model: SNB,IVB,HSW,BDW,SKL,KNL
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* Scope: Package (physical package)
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* MSR_PKG_C3_RESIDENCY: Package C3 Residency Counter.
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* perf code: 0x01
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* Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL
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* Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,KNL
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* Scope: Package (physical package)
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* MSR_PKG_C6_RESIDENCY: Package C6 Residency Counter.
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* perf code: 0x02
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* Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW,SKL
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* Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW
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* SKL,KNL
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* Scope: Package (physical package)
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* MSR_PKG_C7_RESIDENCY: Package C7 Residency Counter.
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* perf code: 0x03
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@@ -118,6 +120,7 @@ struct cstate_model {
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/* Quirk flags */
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#define SLM_PKG_C6_USE_C7_MSR (1UL << 0)
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#define KNL_CORE_C6_MSR (1UL << 1)
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struct perf_cstate_msr {
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u64 msr;
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@@ -488,6 +491,18 @@ static const struct cstate_model slm_cstates __initconst = {
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.quirks = SLM_PKG_C6_USE_C7_MSR,
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};
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static const struct cstate_model knl_cstates __initconst = {
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.core_events = BIT(PERF_CSTATE_CORE_C6_RES),
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.pkg_events = BIT(PERF_CSTATE_PKG_C2_RES) |
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BIT(PERF_CSTATE_PKG_C3_RES) |
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BIT(PERF_CSTATE_PKG_C6_RES),
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.quirks = KNL_CORE_C6_MSR,
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};
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#define X86_CSTATES_MODEL(model, states) \
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{ X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long) &(states) }
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@@ -523,6 +538,8 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
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X86_CSTATES_MODEL(INTEL_FAM6_SKYLAKE_MOBILE, snb_cstates),
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X86_CSTATES_MODEL(INTEL_FAM6_SKYLAKE_DESKTOP, snb_cstates),
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X86_CSTATES_MODEL(INTEL_FAM6_XEON_PHI_KNL, knl_cstates),
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{ },
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};
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MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match);
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@@ -558,6 +575,11 @@ static int __init cstate_probe(const struct cstate_model *cm)
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if (cm->quirks & SLM_PKG_C6_USE_C7_MSR)
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pkg_msr[PERF_CSTATE_PKG_C6_RES].msr = MSR_PKG_C7_RESIDENCY;
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/* KNL has different MSR for CORE C6 */
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if (cm->quirks & KNL_CORE_C6_MSR)
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pkg_msr[PERF_CSTATE_CORE_C6_RES].msr = MSR_KNL_CORE_C6_RESIDENCY;
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has_cstate_core = cstate_probe_msr(cm->core_events,
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PERF_CSTATE_CORE_EVENT_MAX,
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core_msr, core_events_attrs);
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@@ -36,13 +36,6 @@ static DEFINE_PER_CPU(struct pt, pt_ctx);
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static struct pt_pmu pt_pmu;
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enum cpuid_regs {
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CR_EAX = 0,
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CR_ECX,
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CR_EDX,
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CR_EBX
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};
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/*
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* Capabilities of Intel PT hardware, such as number of address bits or
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* supported output schemes, are cached and exported to userspace as "caps"
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@@ -64,21 +57,21 @@ static struct pt_cap_desc {
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u8 reg;
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u32 mask;
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} pt_caps[] = {
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PT_CAP(max_subleaf, 0, CR_EAX, 0xffffffff),
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PT_CAP(cr3_filtering, 0, CR_EBX, BIT(0)),
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PT_CAP(psb_cyc, 0, CR_EBX, BIT(1)),
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PT_CAP(ip_filtering, 0, CR_EBX, BIT(2)),
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PT_CAP(mtc, 0, CR_EBX, BIT(3)),
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PT_CAP(ptwrite, 0, CR_EBX, BIT(4)),
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PT_CAP(power_event_trace, 0, CR_EBX, BIT(5)),
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PT_CAP(topa_output, 0, CR_ECX, BIT(0)),
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PT_CAP(topa_multiple_entries, 0, CR_ECX, BIT(1)),
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PT_CAP(single_range_output, 0, CR_ECX, BIT(2)),
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PT_CAP(payloads_lip, 0, CR_ECX, BIT(31)),
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PT_CAP(num_address_ranges, 1, CR_EAX, 0x3),
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PT_CAP(mtc_periods, 1, CR_EAX, 0xffff0000),
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PT_CAP(cycle_thresholds, 1, CR_EBX, 0xffff),
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PT_CAP(psb_periods, 1, CR_EBX, 0xffff0000),
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PT_CAP(max_subleaf, 0, CPUID_EAX, 0xffffffff),
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PT_CAP(cr3_filtering, 0, CPUID_EBX, BIT(0)),
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PT_CAP(psb_cyc, 0, CPUID_EBX, BIT(1)),
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PT_CAP(ip_filtering, 0, CPUID_EBX, BIT(2)),
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PT_CAP(mtc, 0, CPUID_EBX, BIT(3)),
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PT_CAP(ptwrite, 0, CPUID_EBX, BIT(4)),
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PT_CAP(power_event_trace, 0, CPUID_EBX, BIT(5)),
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PT_CAP(topa_output, 0, CPUID_ECX, BIT(0)),
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PT_CAP(topa_multiple_entries, 0, CPUID_ECX, BIT(1)),
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PT_CAP(single_range_output, 0, CPUID_ECX, BIT(2)),
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PT_CAP(payloads_lip, 0, CPUID_ECX, BIT(31)),
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PT_CAP(num_address_ranges, 1, CPUID_EAX, 0x3),
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PT_CAP(mtc_periods, 1, CPUID_EAX, 0xffff0000),
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PT_CAP(cycle_thresholds, 1, CPUID_EBX, 0xffff),
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PT_CAP(psb_periods, 1, CPUID_EBX, 0xffff0000),
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};
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static u32 pt_cap_get(enum pt_capabilities cap)
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@@ -213,10 +206,10 @@ static int __init pt_pmu_hw_init(void)
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for (i = 0; i < PT_CPUID_LEAVES; i++) {
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cpuid_count(20, i,
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&pt_pmu.caps[CR_EAX + i*PT_CPUID_REGS_NUM],
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&pt_pmu.caps[CR_EBX + i*PT_CPUID_REGS_NUM],
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&pt_pmu.caps[CR_ECX + i*PT_CPUID_REGS_NUM],
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&pt_pmu.caps[CR_EDX + i*PT_CPUID_REGS_NUM]);
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&pt_pmu.caps[CPUID_EAX + i*PT_CPUID_REGS_NUM],
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&pt_pmu.caps[CPUID_EBX + i*PT_CPUID_REGS_NUM],
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&pt_pmu.caps[CPUID_ECX + i*PT_CPUID_REGS_NUM],
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&pt_pmu.caps[CPUID_EDX + i*PT_CPUID_REGS_NUM]);
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}
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ret = -ENOMEM;
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