diff options
Diffstat (limited to 'arch/x86/events/intel')
| -rw-r--r-- | arch/x86/events/intel/core.c | 164 | ||||
| -rw-r--r-- | arch/x86/events/intel/cstate.c | 35 | ||||
| -rw-r--r-- | arch/x86/events/intel/ds.c | 34 | ||||
| -rw-r--r-- | arch/x86/events/intel/knc.c | 2 | ||||
| -rw-r--r-- | arch/x86/events/intel/p4.c | 10 | ||||
| -rw-r--r-- | arch/x86/events/intel/p6.c | 2 |
6 files changed, 129 insertions, 118 deletions
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 101a21fe9c..f25205d047 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -2874,23 +2874,23 @@ static void intel_pmu_reset(void) { struct debug_store *ds = __this_cpu_read(cpu_hw_events.ds); struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); - int num_counters_fixed = hybrid(cpuc->pmu, num_counters_fixed); - int num_counters = hybrid(cpuc->pmu, num_counters); + unsigned long *cntr_mask = hybrid(cpuc->pmu, cntr_mask); + unsigned long *fixed_cntr_mask = hybrid(cpuc->pmu, fixed_cntr_mask); unsigned long flags; int idx; - if (!num_counters) + if (!*(u64 *)cntr_mask) return; local_irq_save(flags); pr_info("clearing PMU state on CPU#%d\n", smp_processor_id()); - for (idx = 0; idx < num_counters; idx++) { + for_each_set_bit(idx, cntr_mask, INTEL_PMC_MAX_GENERIC) { wrmsrl_safe(x86_pmu_config_addr(idx), 0ull); wrmsrl_safe(x86_pmu_event_addr(idx), 0ull); } - for (idx = 0; idx < num_counters_fixed; idx++) { + for_each_set_bit(idx, fixed_cntr_mask, INTEL_PMC_MAX_FIXED) { if (fixed_counter_disabled(idx, cpuc->pmu)) continue; wrmsrl_safe(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull); @@ -2940,8 +2940,7 @@ static void x86_pmu_handle_guest_pebs(struct pt_regs *regs, !guest_pebs_idxs) return; - for_each_set_bit(bit, (unsigned long *)&guest_pebs_idxs, - INTEL_PMC_IDX_FIXED + x86_pmu.num_counters_fixed) { + for_each_set_bit(bit, (unsigned long *)&guest_pebs_idxs, X86_PMC_IDX_MAX) { event = cpuc->events[bit]; if (!event->attr.precise_ip) continue; @@ -4199,7 +4198,7 @@ static struct perf_guest_switch_msr *core_guest_get_msrs(int *nr, void *data) struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs; int idx; - for (idx = 0; idx < x86_pmu.num_counters; idx++) { + for_each_set_bit(idx, x86_pmu.cntr_mask, X86_PMC_IDX_MAX) { struct perf_event *event = cpuc->events[idx]; arr[idx].msr = x86_pmu_config_addr(idx); @@ -4217,7 +4216,7 @@ static struct perf_guest_switch_msr *core_guest_get_msrs(int *nr, void *data) arr[idx].guest &= ~ARCH_PERFMON_EVENTSEL_ENABLE; } - *nr = x86_pmu.num_counters; + *nr = x86_pmu_max_num_counters(cpuc->pmu); return arr; } @@ -4232,7 +4231,7 @@ static void core_pmu_enable_all(int added) struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); int idx; - for (idx = 0; idx < x86_pmu.num_counters; idx++) { + for_each_set_bit(idx, x86_pmu.cntr_mask, X86_PMC_IDX_MAX) { struct hw_perf_event *hwc = &cpuc->events[idx]->hw; if (!test_bit(idx, cpuc->active_mask) || @@ -4684,13 +4683,33 @@ static void flip_smm_bit(void *data) } } -static void intel_pmu_check_num_counters(int *num_counters, - int *num_counters_fixed, - u64 *intel_ctrl, u64 fixed_mask); +static void intel_pmu_check_counters_mask(u64 *cntr_mask, + u64 *fixed_cntr_mask, + u64 *intel_ctrl) +{ + unsigned int bit; + + bit = fls64(*cntr_mask); + if (bit > INTEL_PMC_MAX_GENERIC) { + WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!", + bit, INTEL_PMC_MAX_GENERIC); + *cntr_mask &= GENMASK_ULL(INTEL_PMC_MAX_GENERIC - 1, 0); + } + *intel_ctrl = *cntr_mask; + + bit = fls64(*fixed_cntr_mask); + if (bit > INTEL_PMC_MAX_FIXED) { + WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!", + bit, INTEL_PMC_MAX_FIXED); + *fixed_cntr_mask &= GENMASK_ULL(INTEL_PMC_MAX_FIXED - 1, 0); + } + + *intel_ctrl |= *fixed_cntr_mask << INTEL_PMC_IDX_FIXED; +} static void intel_pmu_check_event_constraints(struct event_constraint *event_constraints, - int num_counters, - int num_counters_fixed, + u64 cntr_mask, + u64 fixed_cntr_mask, u64 intel_ctrl); static void intel_pmu_check_extra_regs(struct extra_reg *extra_regs); @@ -4713,11 +4732,10 @@ static void update_pmu_cap(struct x86_hybrid_pmu *pmu) if (sub_bitmaps & ARCH_PERFMON_NUM_COUNTER_LEAF_BIT) { cpuid_count(ARCH_PERFMON_EXT_LEAF, ARCH_PERFMON_NUM_COUNTER_LEAF, &eax, &ebx, &ecx, &edx); - pmu->num_counters = fls(eax); - pmu->num_counters_fixed = fls(ebx); + pmu->cntr_mask64 = eax; + pmu->fixed_cntr_mask64 = ebx; } - if (!intel_pmu_broken_perf_cap()) { /* Perf Metric (Bit 15) and PEBS via PT (Bit 16) are hybrid enumeration */ rdmsrl(MSR_IA32_PERF_CAPABILITIES, pmu->intel_cap.capabilities); @@ -4726,12 +4744,12 @@ static void update_pmu_cap(struct x86_hybrid_pmu *pmu) static void intel_pmu_check_hybrid_pmus(struct x86_hybrid_pmu *pmu) { - intel_pmu_check_num_counters(&pmu->num_counters, &pmu->num_counters_fixed, - &pmu->intel_ctrl, (1ULL << pmu->num_counters_fixed) - 1); - pmu->max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, pmu->num_counters); + intel_pmu_check_counters_mask(&pmu->cntr_mask64, &pmu->fixed_cntr_mask64, + &pmu->intel_ctrl); + pmu->pebs_events_mask = intel_pmu_pebs_mask(pmu->cntr_mask64); pmu->unconstrained = (struct event_constraint) - __EVENT_CONSTRAINT(0, (1ULL << pmu->num_counters) - 1, - 0, pmu->num_counters, 0, 0); + __EVENT_CONSTRAINT(0, pmu->cntr_mask64, + 0, x86_pmu_num_counters(&pmu->pmu), 0, 0); if (pmu->intel_cap.perf_metrics) pmu->intel_ctrl |= 1ULL << GLOBAL_CTRL_EN_PERF_METRICS; @@ -4744,8 +4762,8 @@ static void intel_pmu_check_hybrid_pmus(struct x86_hybrid_pmu *pmu) pmu->pmu.capabilities &= ~PERF_PMU_CAP_AUX_OUTPUT; intel_pmu_check_event_constraints(pmu->event_constraints, - pmu->num_counters, - pmu->num_counters_fixed, + pmu->cntr_mask64, + pmu->fixed_cntr_mask64, pmu->intel_ctrl); intel_pmu_check_extra_regs(pmu->extra_regs); @@ -4806,7 +4824,7 @@ static bool init_hybrid_pmu(int cpu) intel_pmu_check_hybrid_pmus(pmu); - if (!check_hw_exists(&pmu->pmu, pmu->num_counters, pmu->num_counters_fixed)) + if (!check_hw_exists(&pmu->pmu, pmu->cntr_mask, pmu->fixed_cntr_mask)) return false; pr_info("%s PMU driver: ", pmu->name); @@ -4816,8 +4834,7 @@ static bool init_hybrid_pmu(int cpu) pr_cont("\n"); - x86_pmu_show_pmu_cap(pmu->num_counters, pmu->num_counters_fixed, - pmu->intel_ctrl); + x86_pmu_show_pmu_cap(&pmu->pmu); end: cpumask_set_cpu(cpu, &pmu->supported_cpus); @@ -5955,29 +5972,9 @@ static const struct attribute_group *hybrid_attr_update[] = { static struct attribute *empty_attrs; -static void intel_pmu_check_num_counters(int *num_counters, - int *num_counters_fixed, - u64 *intel_ctrl, u64 fixed_mask) -{ - if (*num_counters > INTEL_PMC_MAX_GENERIC) { - WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!", - *num_counters, INTEL_PMC_MAX_GENERIC); - *num_counters = INTEL_PMC_MAX_GENERIC; - } - *intel_ctrl = (1ULL << *num_counters) - 1; - - if (*num_counters_fixed > INTEL_PMC_MAX_FIXED) { - WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!", - *num_counters_fixed, INTEL_PMC_MAX_FIXED); - *num_counters_fixed = INTEL_PMC_MAX_FIXED; - } - - *intel_ctrl |= fixed_mask << INTEL_PMC_IDX_FIXED; -} - static void intel_pmu_check_event_constraints(struct event_constraint *event_constraints, - int num_counters, - int num_counters_fixed, + u64 cntr_mask, + u64 fixed_cntr_mask, u64 intel_ctrl) { struct event_constraint *c; @@ -6014,10 +6011,9 @@ static void intel_pmu_check_event_constraints(struct event_constraint *event_con * generic counters */ if (!use_fixed_pseudo_encoding(c->code)) - c->idxmsk64 |= (1ULL << num_counters) - 1; + c->idxmsk64 |= cntr_mask; } - c->idxmsk64 &= - ~(~0ULL << (INTEL_PMC_IDX_FIXED + num_counters_fixed)); + c->idxmsk64 &= cntr_mask | (fixed_cntr_mask << INTEL_PMC_IDX_FIXED); c->weight = hweight64(c->idxmsk64); } } @@ -6068,12 +6064,12 @@ static __always_inline int intel_pmu_init_hybrid(enum hybrid_pmu_type pmus) pmu->pmu_type = intel_hybrid_pmu_type_map[bit].id; pmu->name = intel_hybrid_pmu_type_map[bit].name; - pmu->num_counters = x86_pmu.num_counters; - pmu->num_counters_fixed = x86_pmu.num_counters_fixed; - pmu->max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, pmu->num_counters); + pmu->cntr_mask64 = x86_pmu.cntr_mask64; + pmu->fixed_cntr_mask64 = x86_pmu.fixed_cntr_mask64; + pmu->pebs_events_mask = intel_pmu_pebs_mask(pmu->cntr_mask64); pmu->unconstrained = (struct event_constraint) - __EVENT_CONSTRAINT(0, (1ULL << pmu->num_counters) - 1, - 0, pmu->num_counters, 0, 0); + __EVENT_CONSTRAINT(0, pmu->cntr_mask64, + 0, x86_pmu_num_counters(&pmu->pmu), 0, 0); pmu->intel_cap.capabilities = x86_pmu.intel_cap.capabilities; if (pmu->pmu_type & hybrid_small) { @@ -6186,14 +6182,14 @@ __init int intel_pmu_init(void) x86_pmu = intel_pmu; x86_pmu.version = version; - x86_pmu.num_counters = eax.split.num_counters; + x86_pmu.cntr_mask64 = GENMASK_ULL(eax.split.num_counters - 1, 0); x86_pmu.cntval_bits = eax.split.bit_width; x86_pmu.cntval_mask = (1ULL << eax.split.bit_width) - 1; x86_pmu.events_maskl = ebx.full; x86_pmu.events_mask_len = eax.split.mask_length; - x86_pmu.max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, x86_pmu.num_counters); + x86_pmu.pebs_events_mask = intel_pmu_pebs_mask(x86_pmu.cntr_mask64); x86_pmu.pebs_capable = PEBS_COUNTER_MASK; /* @@ -6203,12 +6199,10 @@ __init int intel_pmu_init(void) if (version > 1 && version < 5) { int assume = 3 * !boot_cpu_has(X86_FEATURE_HYPERVISOR); - x86_pmu.num_counters_fixed = - max((int)edx.split.num_counters_fixed, assume); - - fixed_mask = (1L << x86_pmu.num_counters_fixed) - 1; + x86_pmu.fixed_cntr_mask64 = + GENMASK_ULL(max((int)edx.split.num_counters_fixed, assume) - 1, 0); } else if (version >= 5) - x86_pmu.num_counters_fixed = fls(fixed_mask); + x86_pmu.fixed_cntr_mask64 = fixed_mask; if (boot_cpu_has(X86_FEATURE_PDCM)) { u64 capabilities; @@ -6807,11 +6801,13 @@ __init int intel_pmu_init(void) pmu = &x86_pmu.hybrid_pmu[X86_HYBRID_PMU_CORE_IDX]; intel_pmu_init_glc(&pmu->pmu); if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU)) { - pmu->num_counters = x86_pmu.num_counters + 2; - pmu->num_counters_fixed = x86_pmu.num_counters_fixed + 1; + pmu->cntr_mask64 <<= 2; + pmu->cntr_mask64 |= 0x3; + pmu->fixed_cntr_mask64 <<= 1; + pmu->fixed_cntr_mask64 |= 0x1; } else { - pmu->num_counters = x86_pmu.num_counters; - pmu->num_counters_fixed = x86_pmu.num_counters_fixed; + pmu->cntr_mask64 = x86_pmu.cntr_mask64; + pmu->fixed_cntr_mask64 = x86_pmu.fixed_cntr_mask64; } /* @@ -6821,15 +6817,16 @@ __init int intel_pmu_init(void) * mistakenly add extra counters for P-cores. Correct the number of * counters here. */ - if ((pmu->num_counters > 8) || (pmu->num_counters_fixed > 4)) { - pmu->num_counters = x86_pmu.num_counters; - pmu->num_counters_fixed = x86_pmu.num_counters_fixed; + if ((x86_pmu_num_counters(&pmu->pmu) > 8) || (x86_pmu_num_counters_fixed(&pmu->pmu) > 4)) { + pmu->cntr_mask64 = x86_pmu.cntr_mask64; + pmu->fixed_cntr_mask64 = x86_pmu.fixed_cntr_mask64; } - pmu->max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, pmu->num_counters); + pmu->pebs_events_mask = intel_pmu_pebs_mask(pmu->cntr_mask64); pmu->unconstrained = (struct event_constraint) - __EVENT_CONSTRAINT(0, (1ULL << pmu->num_counters) - 1, - 0, pmu->num_counters, 0, 0); + __EVENT_CONSTRAINT(0, pmu->cntr_mask64, + 0, x86_pmu_num_counters(&pmu->pmu), 0, 0); + pmu->extra_regs = intel_glc_extra_regs; /* Initialize Atom core specific PerfMon capabilities.*/ @@ -6896,9 +6893,9 @@ __init int intel_pmu_init(void) * The constraints may be cut according to the CPUID enumeration * by inserting the EVENT_CONSTRAINT_END. */ - if (x86_pmu.num_counters_fixed > INTEL_PMC_MAX_FIXED) - x86_pmu.num_counters_fixed = INTEL_PMC_MAX_FIXED; - intel_v5_gen_event_constraints[x86_pmu.num_counters_fixed].weight = -1; + if (fls64(x86_pmu.fixed_cntr_mask64) > INTEL_PMC_MAX_FIXED) + x86_pmu.fixed_cntr_mask64 &= GENMASK_ULL(INTEL_PMC_MAX_FIXED - 1, 0); + intel_v5_gen_event_constraints[fls64(x86_pmu.fixed_cntr_mask64)].weight = -1; x86_pmu.event_constraints = intel_v5_gen_event_constraints; pr_cont("generic architected perfmon, "); name = "generic_arch_v5+"; @@ -6925,18 +6922,17 @@ __init int intel_pmu_init(void) x86_pmu.attr_update = hybrid_attr_update; } - intel_pmu_check_num_counters(&x86_pmu.num_counters, - &x86_pmu.num_counters_fixed, - &x86_pmu.intel_ctrl, - (u64)fixed_mask); + intel_pmu_check_counters_mask(&x86_pmu.cntr_mask64, + &x86_pmu.fixed_cntr_mask64, + &x86_pmu.intel_ctrl); /* AnyThread may be deprecated on arch perfmon v5 or later */ if (x86_pmu.intel_cap.anythread_deprecated) x86_pmu.format_attrs = intel_arch_formats_attr; intel_pmu_check_event_constraints(x86_pmu.event_constraints, - x86_pmu.num_counters, - x86_pmu.num_counters_fixed, + x86_pmu.cntr_mask64, + x86_pmu.fixed_cntr_mask64, x86_pmu.intel_ctrl); /* * Access LBR MSR may cause #GP under certain circumstances. diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c index dd18320558..9f116dfc47 100644 --- a/arch/x86/events/intel/cstate.c +++ b/arch/x86/events/intel/cstate.c @@ -41,7 +41,7 @@ * MSR_CORE_C1_RES: CORE C1 Residency Counter * perf code: 0x00 * Available model: SLM,AMT,GLM,CNL,ICX,TNT,ADL,RPL - * MTL,SRF,GRR + * MTL,SRF,GRR,ARL,LNL * Scope: Core (each processor core has a MSR) * MSR_CORE_C3_RESIDENCY: CORE C3 Residency Counter * perf code: 0x01 @@ -53,30 +53,31 @@ * Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW, * SKL,KNL,GLM,CNL,KBL,CML,ICL,ICX, * TGL,TNT,RKL,ADL,RPL,SPR,MTL,SRF, - * GRR + * GRR,ARL,LNL * Scope: Core * MSR_CORE_C7_RESIDENCY: CORE C7 Residency Counter * perf code: 0x03 * Available model: SNB,IVB,HSW,BDW,SKL,CNL,KBL,CML, - * ICL,TGL,RKL,ADL,RPL,MTL + * ICL,TGL,RKL,ADL,RPL,MTL,ARL,LNL * Scope: Core * MSR_PKG_C2_RESIDENCY: Package C2 Residency Counter. * perf code: 0x00 * Available model: SNB,IVB,HSW,BDW,SKL,KNL,GLM,CNL, * KBL,CML,ICL,ICX,TGL,TNT,RKL,ADL, - * RPL,SPR,MTL + * RPL,SPR,MTL,ARL,LNL,SRF * Scope: Package (physical package) * MSR_PKG_C3_RESIDENCY: Package C3 Residency Counter. * perf code: 0x01 * Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,KNL, * GLM,CNL,KBL,CML,ICL,TGL,TNT,RKL, - * ADL,RPL,MTL + * ADL,RPL,MTL,ARL,LNL * Scope: Package (physical package) * MSR_PKG_C6_RESIDENCY: Package C6 Residency Counter. * perf code: 0x02 * Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW, * SKL,KNL,GLM,CNL,KBL,CML,ICL,ICX, - * TGL,TNT,RKL,ADL,RPL,SPR,MTL,SRF + * TGL,TNT,RKL,ADL,RPL,SPR,MTL,SRF, + * ARL,LNL * Scope: Package (physical package) * MSR_PKG_C7_RESIDENCY: Package C7 Residency Counter. * perf code: 0x03 @@ -86,7 +87,7 @@ * MSR_PKG_C8_RESIDENCY: Package C8 Residency Counter. * perf code: 0x04 * Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,RKL, - * ADL,RPL,MTL + * ADL,RPL,MTL,ARL * Scope: Package (physical package) * MSR_PKG_C9_RESIDENCY: Package C9 Residency Counter. * perf code: 0x05 @@ -95,7 +96,7 @@ * MSR_PKG_C10_RESIDENCY: Package C10 Residency Counter. * perf code: 0x06 * Available model: HSW ULT,KBL,GLM,CNL,CML,ICL,TGL, - * TNT,RKL,ADL,RPL,MTL + * TNT,RKL,ADL,RPL,MTL,ARL,LNL * Scope: Package (physical package) * MSR_MODULE_C6_RES_MS: Module C6 Residency Counter. * perf code: 0x00 @@ -640,6 +641,17 @@ static const struct cstate_model adl_cstates __initconst = { BIT(PERF_CSTATE_PKG_C10_RES), }; +static const struct cstate_model lnl_cstates __initconst = { + .core_events = BIT(PERF_CSTATE_CORE_C1_RES) | + BIT(PERF_CSTATE_CORE_C6_RES) | + BIT(PERF_CSTATE_CORE_C7_RES), + + .pkg_events = BIT(PERF_CSTATE_PKG_C2_RES) | + BIT(PERF_CSTATE_PKG_C3_RES) | + BIT(PERF_CSTATE_PKG_C6_RES) | + BIT(PERF_CSTATE_PKG_C10_RES), +}; + static const struct cstate_model slm_cstates __initconst = { .core_events = BIT(PERF_CSTATE_CORE_C1_RES) | BIT(PERF_CSTATE_CORE_C6_RES), @@ -681,7 +693,8 @@ static const struct cstate_model srf_cstates __initconst = { .core_events = BIT(PERF_CSTATE_CORE_C1_RES) | BIT(PERF_CSTATE_CORE_C6_RES), - .pkg_events = BIT(PERF_CSTATE_PKG_C6_RES), + .pkg_events = BIT(PERF_CSTATE_PKG_C2_RES) | + BIT(PERF_CSTATE_PKG_C6_RES), .module_events = BIT(PERF_CSTATE_MODULE_C6_RES), }; @@ -760,6 +773,10 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = { X86_MATCH_VFM(INTEL_RAPTORLAKE_S, &adl_cstates), X86_MATCH_VFM(INTEL_METEORLAKE, &adl_cstates), X86_MATCH_VFM(INTEL_METEORLAKE_L, &adl_cstates), + X86_MATCH_VFM(INTEL_ARROWLAKE, &adl_cstates), + X86_MATCH_VFM(INTEL_ARROWLAKE_H, &adl_cstates), + X86_MATCH_VFM(INTEL_ARROWLAKE_U, &adl_cstates), + X86_MATCH_VFM(INTEL_LUNARLAKE_M, &lnl_cstates), { }, }; MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match); diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c index 80a4f71221..9212053f6f 100644 --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -1137,8 +1137,7 @@ void intel_pmu_pebs_sched_task(struct perf_event_pmu_context *pmu_ctx, bool sche static inline void pebs_update_threshold(struct cpu_hw_events *cpuc) { struct debug_store *ds = cpuc->ds; - int max_pebs_events = hybrid(cpuc->pmu, max_pebs_events); - int num_counters_fixed = hybrid(cpuc->pmu, num_counters_fixed); + int max_pebs_events = intel_pmu_max_num_pebs(cpuc->pmu); u64 threshold; int reserved; @@ -1146,7 +1145,7 @@ static inline void pebs_update_threshold(struct cpu_hw_events *cpuc) return; if (x86_pmu.flags & PMU_FL_PEBS_ALL) - reserved = max_pebs_events + num_counters_fixed; + reserved = max_pebs_events + x86_pmu_max_num_counters_fixed(cpuc->pmu); else reserved = max_pebs_events; @@ -2161,6 +2160,7 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs, struct perf_sample_d void *base, *at, *top; short counts[INTEL_PMC_IDX_FIXED + MAX_FIXED_PEBS_EVENTS] = {}; short error[INTEL_PMC_IDX_FIXED + MAX_FIXED_PEBS_EVENTS] = {}; + int max_pebs_events = intel_pmu_max_num_pebs(NULL); int bit, i, size; u64 mask; @@ -2172,11 +2172,11 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs, struct perf_sample_d ds->pebs_index = ds->pebs_buffer_base; - mask = (1ULL << x86_pmu.max_pebs_events) - 1; - size = x86_pmu.max_pebs_events; + mask = x86_pmu.pebs_events_mask; + size = max_pebs_events; if (x86_pmu.flags & PMU_FL_PEBS_ALL) { - mask |= ((1ULL << x86_pmu.num_counters_fixed) - 1) << INTEL_PMC_IDX_FIXED; - size = INTEL_PMC_IDX_FIXED + x86_pmu.num_counters_fixed; + mask |= x86_pmu.fixed_cntr_mask64 << INTEL_PMC_IDX_FIXED; + size = INTEL_PMC_IDX_FIXED + x86_pmu_max_num_counters_fixed(NULL); } if (unlikely(base >= top)) { @@ -2212,8 +2212,9 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs, struct perf_sample_d pebs_status = p->status = cpuc->pebs_enabled; bit = find_first_bit((unsigned long *)&pebs_status, - x86_pmu.max_pebs_events); - if (bit >= x86_pmu.max_pebs_events) + max_pebs_events); + + if (!(x86_pmu.pebs_events_mask & (1 << bit))) continue; /* @@ -2271,12 +2272,10 @@ static void intel_pmu_drain_pebs_icl(struct pt_regs *iregs, struct perf_sample_d { short counts[INTEL_PMC_IDX_FIXED + MAX_FIXED_PEBS_EVENTS] = {}; struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); - int max_pebs_events = hybrid(cpuc->pmu, max_pebs_events); - int num_counters_fixed = hybrid(cpuc->pmu, num_counters_fixed); struct debug_store *ds = cpuc->ds; struct perf_event *event; void *base, *at, *top; - int bit, size; + int bit; u64 mask; if (!x86_pmu.pebs_active) @@ -2287,12 +2286,11 @@ static void intel_pmu_drain_pebs_icl(struct pt_regs *iregs, struct perf_sample_d ds->pebs_index = ds->pebs_buffer_base; - mask = ((1ULL << max_pebs_events) - 1) | - (((1ULL << num_counters_fixed) - 1) << INTEL_PMC_IDX_FIXED); - size = INTEL_PMC_IDX_FIXED + num_counters_fixed; + mask = hybrid(cpuc->pmu, pebs_events_mask) | + (hybrid(cpuc->pmu, fixed_cntr_mask64) << INTEL_PMC_IDX_FIXED); if (unlikely(base >= top)) { - intel_pmu_pebs_event_update_no_drain(cpuc, size); + intel_pmu_pebs_event_update_no_drain(cpuc, X86_PMC_IDX_MAX); return; } @@ -2302,11 +2300,11 @@ static void intel_pmu_drain_pebs_icl(struct pt_regs *iregs, struct perf_sample_d pebs_status = get_pebs_status(at) & cpuc->pebs_enabled; pebs_status &= mask; - for_each_set_bit(bit, (unsigned long *)&pebs_status, size) + for_each_set_bit(bit, (unsigned long *)&pebs_status, X86_PMC_IDX_MAX) counts[bit]++; } - for_each_set_bit(bit, (unsigned long *)&mask, size) { + for_each_set_bit(bit, (unsigned long *)&mask, X86_PMC_IDX_MAX) { if (counts[bit] == 0) continue; diff --git a/arch/x86/events/intel/knc.c b/arch/x86/events/intel/knc.c index 618001c208..034a1f6a45 100644 --- a/arch/x86/events/intel/knc.c +++ b/arch/x86/events/intel/knc.c @@ -303,7 +303,7 @@ static const struct x86_pmu knc_pmu __initconst = { .apic = 1, .max_period = (1ULL << 39) - 1, .version = 0, - .num_counters = 2, + .cntr_mask64 = 0x3, .cntval_bits = 40, .cntval_mask = (1ULL << 40) - 1, .get_event_constraints = x86_get_event_constraints, diff --git a/arch/x86/events/intel/p4.c b/arch/x86/events/intel/p4.c index 35936188db..844bc4fc47 100644 --- a/arch/x86/events/intel/p4.c +++ b/arch/x86/events/intel/p4.c @@ -919,7 +919,7 @@ static void p4_pmu_disable_all(void) struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); int idx; - for (idx = 0; idx < x86_pmu.num_counters; idx++) { + for_each_set_bit(idx, x86_pmu.cntr_mask, X86_PMC_IDX_MAX) { struct perf_event *event = cpuc->events[idx]; if (!test_bit(idx, cpuc->active_mask)) continue; @@ -998,7 +998,7 @@ static void p4_pmu_enable_all(int added) struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); int idx; - for (idx = 0; idx < x86_pmu.num_counters; idx++) { + for_each_set_bit(idx, x86_pmu.cntr_mask, X86_PMC_IDX_MAX) { struct perf_event *event = cpuc->events[idx]; if (!test_bit(idx, cpuc->active_mask)) continue; @@ -1040,7 +1040,7 @@ static int p4_pmu_handle_irq(struct pt_regs *regs) cpuc = this_cpu_ptr(&cpu_hw_events); - for (idx = 0; idx < x86_pmu.num_counters; idx++) { + for_each_set_bit(idx, x86_pmu.cntr_mask, X86_PMC_IDX_MAX) { int overflow; if (!test_bit(idx, cpuc->active_mask)) { @@ -1353,7 +1353,7 @@ static __initconst const struct x86_pmu p4_pmu = { * though leave it restricted at moment assuming * HT is on */ - .num_counters = ARCH_P4_MAX_CCCR, + .cntr_mask64 = GENMASK_ULL(ARCH_P4_MAX_CCCR - 1, 0), .apic = 1, .cntval_bits = ARCH_P4_CNTRVAL_BITS, .cntval_mask = ARCH_P4_CNTRVAL_MASK, @@ -1395,7 +1395,7 @@ __init int p4_pmu_init(void) * * Solve this by zero'ing out the registers to mimic a reset. */ - for (i = 0; i < x86_pmu.num_counters; i++) { + for_each_set_bit(i, x86_pmu.cntr_mask, X86_PMC_IDX_MAX) { reg = x86_pmu_config_addr(i); wrmsrl_safe(reg, 0ULL); } diff --git a/arch/x86/events/intel/p6.c b/arch/x86/events/intel/p6.c index 408879b0c0..a6cffb4f4e 100644 --- a/arch/x86/events/intel/p6.c +++ b/arch/x86/events/intel/p6.c @@ -214,7 +214,7 @@ static __initconst const struct x86_pmu p6_pmu = { .apic = 1, .max_period = (1ULL << 31) - 1, .version = 0, - .num_counters = 2, + .cntr_mask64 = 0x3, /* * Events have 40 bits implemented. However they are designed such * that bits [32-39] are sign extensions of bit 31. As such the |