2 * Performance events x86 architecture header
4 * Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de>
5 * Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar
6 * Copyright (C) 2009 Jaswinder Singh Rajput
7 * Copyright (C) 2009 Advanced Micro Devices, Inc., Robert Richter
8 * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra
9 * Copyright (C) 2009 Intel Corporation, <markus.t.metzger@intel.com>
10 * Copyright (C) 2009 Google, Inc., Stephane Eranian
12 * For licencing details see kernel-base/COPYING
15 #include <linux/perf_event.h>
17 #include <asm/fpu/xstate.h>
18 #include <asm/intel_ds.h>
21 /* To enable MSR tracing please use the generic trace points. */
25 * register -------------------------------
26 * | HT | no HT | HT | no HT |
27 *-----------------------------------------
28 * offcore | core | core | cpu | core |
29 * lbr_sel | core | core | cpu | core |
30 * ld_lat | cpu | core | cpu | core |
31 *-----------------------------------------
33 * Given that there is a small number of shared regs,
34 * we can pre-allocate their slot in the per-cpu
35 * per-core reg tables.
38 EXTRA_REG_NONE = -1, /* not used */
40 EXTRA_REG_RSP_0 = 0, /* offcore_response_0 */
41 EXTRA_REG_RSP_1 = 1, /* offcore_response_1 */
42 EXTRA_REG_LBR = 2, /* lbr_select */
43 EXTRA_REG_LDLAT = 3, /* ld_lat_threshold */
44 EXTRA_REG_FE = 4, /* fe_* */
46 EXTRA_REG_MAX /* number of entries needed */
49 struct event_constraint {
51 unsigned long idxmsk[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
62 static inline bool constraint_match(struct event_constraint *c, u64 ecode)
64 return ((ecode & c->cmask) - c->code) <= (u64)c->size;
68 * struct hw_perf_event.flags flags
70 #define PERF_X86_EVENT_PEBS_LDLAT 0x00001 /* ld+ldlat data address sampling */
71 #define PERF_X86_EVENT_PEBS_ST 0x00002 /* st data address sampling */
72 #define PERF_X86_EVENT_PEBS_ST_HSW 0x00004 /* haswell style datala, store */
73 #define PERF_X86_EVENT_PEBS_LD_HSW 0x00008 /* haswell style datala, load */
74 #define PERF_X86_EVENT_PEBS_NA_HSW 0x00010 /* haswell style datala, unknown */
75 #define PERF_X86_EVENT_EXCL 0x00020 /* HT exclusivity on counter */
76 #define PERF_X86_EVENT_DYNAMIC 0x00040 /* dynamic alloc'd constraint */
78 #define PERF_X86_EVENT_EXCL_ACCT 0x00100 /* accounted EXCL event */
79 #define PERF_X86_EVENT_AUTO_RELOAD 0x00200 /* use PEBS auto-reload */
80 #define PERF_X86_EVENT_LARGE_PEBS 0x00400 /* use large PEBS */
81 #define PERF_X86_EVENT_PEBS_VIA_PT 0x00800 /* use PT buffer for PEBS */
82 #define PERF_X86_EVENT_PAIR 0x01000 /* Large Increment per Cycle */
83 #define PERF_X86_EVENT_LBR_SELECT 0x02000 /* Save/Restore MSR_LBR_SELECT */
84 #define PERF_X86_EVENT_TOPDOWN 0x04000 /* Count Topdown slots/metrics events */
85 #define PERF_X86_EVENT_PEBS_STLAT 0x08000 /* st+stlat data address sampling */
86 #define PERF_X86_EVENT_AMD_BRS 0x10000 /* AMD Branch Sampling */
87 #define PERF_X86_EVENT_PEBS_LAT_HYBRID 0x20000 /* ld and st lat for hybrid */
89 static inline bool is_topdown_count(struct perf_event *event)
91 return event->hw.flags & PERF_X86_EVENT_TOPDOWN;
94 static inline bool is_metric_event(struct perf_event *event)
96 u64 config = event->attr.config;
98 return ((config & ARCH_PERFMON_EVENTSEL_EVENT) == 0) &&
99 ((config & INTEL_ARCH_EVENT_MASK) >= INTEL_TD_METRIC_RETIRING) &&
100 ((config & INTEL_ARCH_EVENT_MASK) <= INTEL_TD_METRIC_MAX);
103 static inline bool is_slots_event(struct perf_event *event)
105 return (event->attr.config & INTEL_ARCH_EVENT_MASK) == INTEL_TD_SLOTS;
108 static inline bool is_topdown_event(struct perf_event *event)
110 return is_metric_event(event) || is_slots_event(event);
114 int nb_id; /* NorthBridge id */
115 int refcnt; /* reference count */
116 struct perf_event *owners[X86_PMC_IDX_MAX];
117 struct event_constraint event_constraints[X86_PMC_IDX_MAX];
120 #define PEBS_COUNTER_MASK ((1ULL << MAX_PEBS_EVENTS) - 1)
121 #define PEBS_PMI_AFTER_EACH_RECORD BIT_ULL(60)
122 #define PEBS_OUTPUT_OFFSET 61
123 #define PEBS_OUTPUT_MASK (3ull << PEBS_OUTPUT_OFFSET)
124 #define PEBS_OUTPUT_PT (1ull << PEBS_OUTPUT_OFFSET)
125 #define PEBS_VIA_PT_MASK (PEBS_OUTPUT_PT | PEBS_PMI_AFTER_EACH_RECORD)
128 * Flags PEBS can handle without an PMI.
130 * TID can only be handled by flushing at context switch.
131 * REGS_USER can be handled for events limited to ring 3.
134 #define LARGE_PEBS_FLAGS \
135 (PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_ADDR | \
136 PERF_SAMPLE_ID | PERF_SAMPLE_CPU | PERF_SAMPLE_STREAM_ID | \
137 PERF_SAMPLE_DATA_SRC | PERF_SAMPLE_IDENTIFIER | \
138 PERF_SAMPLE_TRANSACTION | PERF_SAMPLE_PHYS_ADDR | \
139 PERF_SAMPLE_REGS_INTR | PERF_SAMPLE_REGS_USER | \
140 PERF_SAMPLE_PERIOD | PERF_SAMPLE_CODE_PAGE_SIZE | \
141 PERF_SAMPLE_WEIGHT_TYPE)
143 #define PEBS_GP_REGS \
144 ((1ULL << PERF_REG_X86_AX) | \
145 (1ULL << PERF_REG_X86_BX) | \
146 (1ULL << PERF_REG_X86_CX) | \
147 (1ULL << PERF_REG_X86_DX) | \
148 (1ULL << PERF_REG_X86_DI) | \
149 (1ULL << PERF_REG_X86_SI) | \
150 (1ULL << PERF_REG_X86_SP) | \
151 (1ULL << PERF_REG_X86_BP) | \
152 (1ULL << PERF_REG_X86_IP) | \
153 (1ULL << PERF_REG_X86_FLAGS) | \
154 (1ULL << PERF_REG_X86_R8) | \
155 (1ULL << PERF_REG_X86_R9) | \
156 (1ULL << PERF_REG_X86_R10) | \
157 (1ULL << PERF_REG_X86_R11) | \
158 (1ULL << PERF_REG_X86_R12) | \
159 (1ULL << PERF_REG_X86_R13) | \
160 (1ULL << PERF_REG_X86_R14) | \
161 (1ULL << PERF_REG_X86_R15))
164 * Per register state.
167 raw_spinlock_t lock; /* per-core: protect structure */
168 u64 config; /* extra MSR config */
169 u64 reg; /* extra MSR number */
170 atomic_t ref; /* reference count */
176 * Used to coordinate shared registers between HT threads or
177 * among events on a single PMU.
179 struct intel_shared_regs {
180 struct er_account regs[EXTRA_REG_MAX];
181 int refcnt; /* per-core: #HT threads */
182 unsigned core_id; /* per-core: core id */
185 enum intel_excl_state_type {
186 INTEL_EXCL_UNUSED = 0, /* counter is unused */
187 INTEL_EXCL_SHARED = 1, /* counter can be used by both threads */
188 INTEL_EXCL_EXCLUSIVE = 2, /* counter can be used by one thread only */
191 struct intel_excl_states {
192 enum intel_excl_state_type state[X86_PMC_IDX_MAX];
193 bool sched_started; /* true if scheduling has started */
196 struct intel_excl_cntrs {
199 struct intel_excl_states states[2];
202 u16 has_exclusive[2];
203 u32 exclusive_present;
206 int refcnt; /* per-core: #HT threads */
207 unsigned core_id; /* per-core: core id */
210 struct x86_perf_task_context;
211 #define MAX_LBR_ENTRIES 32
214 LBR_FORMAT_32 = 0x00,
215 LBR_FORMAT_LIP = 0x01,
216 LBR_FORMAT_EIP = 0x02,
217 LBR_FORMAT_EIP_FLAGS = 0x03,
218 LBR_FORMAT_EIP_FLAGS2 = 0x04,
219 LBR_FORMAT_INFO = 0x05,
220 LBR_FORMAT_TIME = 0x06,
221 LBR_FORMAT_INFO2 = 0x07,
222 LBR_FORMAT_MAX_KNOWN = LBR_FORMAT_INFO2,
226 X86_PERF_KFREE_SHARED = 0,
227 X86_PERF_KFREE_EXCL = 1,
231 struct cpu_hw_events {
233 * Generic x86 PMC bits
235 struct perf_event *events[X86_PMC_IDX_MAX]; /* in counter order */
236 unsigned long active_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
237 unsigned long dirty[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
240 int n_events; /* the # of events in the below arrays */
241 int n_added; /* the # last events in the below arrays;
242 they've never been enabled yet */
243 int n_txn; /* the # last events in the below arrays;
244 added in the current transaction */
247 int assign[X86_PMC_IDX_MAX]; /* event to counter assignment */
248 u64 tags[X86_PMC_IDX_MAX];
250 struct perf_event *event_list[X86_PMC_IDX_MAX]; /* in enabled order */
251 struct event_constraint *event_constraint[X86_PMC_IDX_MAX];
253 int n_excl; /* the number of exclusive events */
255 unsigned int txn_flags;
259 * Intel DebugStore bits
261 struct debug_store *ds;
270 /* Current super set of events hardware configuration */
272 u64 active_pebs_data_cfg;
273 int pebs_record_size;
280 struct perf_branch_stack lbr_stack;
281 struct perf_branch_entry lbr_entries[MAX_LBR_ENTRIES];
283 struct er_account *lbr_sel;
284 struct er_account *lbr_ctl;
293 * Intel host/guest exclude bits
295 u64 intel_ctrl_guest_mask;
296 u64 intel_ctrl_host_mask;
297 struct perf_guest_switch_msr guest_switch_msrs[X86_PMC_IDX_MAX];
300 * Intel checkpoint mask
305 * manage shared (per-core, per-cpu) registers
306 * used on Intel NHM/WSM/SNB
308 struct intel_shared_regs *shared_regs;
310 * manage exclusive counter access between hyperthread
312 struct event_constraint *constraint_list; /* in enable order */
313 struct intel_excl_cntrs *excl_cntrs;
314 int excl_thread_id; /* 0 or 1 */
317 * SKL TSX_FORCE_ABORT shadow
324 /* number of accepted metrics events */
330 struct amd_nb *amd_nb;
331 int brs_active; /* BRS is enabled */
333 /* Inverted mask of bits to clear in the perf_ctr ctrl registers */
334 u64 perf_ctr_virt_mask;
335 int n_pair; /* Large increment events */
337 void *kfree_on_online[X86_PERF_KFREE_MAX];
342 #define __EVENT_CONSTRAINT_RANGE(c, e, n, m, w, o, f) { \
343 { .idxmsk64 = (n) }, \
352 #define __EVENT_CONSTRAINT(c, n, m, w, o, f) \
353 __EVENT_CONSTRAINT_RANGE(c, c, n, m, w, o, f)
355 #define EVENT_CONSTRAINT(c, n, m) \
356 __EVENT_CONSTRAINT(c, n, m, HWEIGHT(n), 0, 0)
359 * The constraint_match() function only works for 'simple' event codes
360 * and not for extended (AMD64_EVENTSEL_EVENT) events codes.
362 #define EVENT_CONSTRAINT_RANGE(c, e, n, m) \
363 __EVENT_CONSTRAINT_RANGE(c, e, n, m, HWEIGHT(n), 0, 0)
365 #define INTEL_EXCLEVT_CONSTRAINT(c, n) \
366 __EVENT_CONSTRAINT(c, n, ARCH_PERFMON_EVENTSEL_EVENT, HWEIGHT(n),\
367 0, PERF_X86_EVENT_EXCL)
370 * The overlap flag marks event constraints with overlapping counter
371 * masks. This is the case if the counter mask of such an event is not
372 * a subset of any other counter mask of a constraint with an equal or
373 * higher weight, e.g.:
375 * c_overlaps = EVENT_CONSTRAINT_OVERLAP(0, 0x09, 0);
376 * c_another1 = EVENT_CONSTRAINT(0, 0x07, 0);
377 * c_another2 = EVENT_CONSTRAINT(0, 0x38, 0);
379 * The event scheduler may not select the correct counter in the first
380 * cycle because it needs to know which subsequent events will be
381 * scheduled. It may fail to schedule the events then. So we set the
382 * overlap flag for such constraints to give the scheduler a hint which
383 * events to select for counter rescheduling.
385 * Care must be taken as the rescheduling algorithm is O(n!) which
386 * will increase scheduling cycles for an over-committed system
387 * dramatically. The number of such EVENT_CONSTRAINT_OVERLAP() macros
388 * and its counter masks must be kept at a minimum.
390 #define EVENT_CONSTRAINT_OVERLAP(c, n, m) \
391 __EVENT_CONSTRAINT(c, n, m, HWEIGHT(n), 1, 0)
394 * Constraint on the Event code.
396 #define INTEL_EVENT_CONSTRAINT(c, n) \
397 EVENT_CONSTRAINT(c, n, ARCH_PERFMON_EVENTSEL_EVENT)
400 * Constraint on a range of Event codes
402 #define INTEL_EVENT_CONSTRAINT_RANGE(c, e, n) \
403 EVENT_CONSTRAINT_RANGE(c, e, n, ARCH_PERFMON_EVENTSEL_EVENT)
406 * Constraint on the Event code + UMask + fixed-mask
408 * filter mask to validate fixed counter events.
409 * the following filters disqualify for fixed counters:
414 * - in_tx_checkpointed
415 * The other filters are supported by fixed counters.
416 * The any-thread option is supported starting with v3.
418 #define FIXED_EVENT_FLAGS (X86_RAW_EVENT_MASK|HSW_IN_TX|HSW_IN_TX_CHECKPOINTED)
419 #define FIXED_EVENT_CONSTRAINT(c, n) \
420 EVENT_CONSTRAINT(c, (1ULL << (32+n)), FIXED_EVENT_FLAGS)
423 * The special metric counters do not actually exist. They are calculated from
424 * the combination of the FxCtr3 + MSR_PERF_METRICS.
426 * The special metric counters are mapped to a dummy offset for the scheduler.
427 * The sharing between multiple users of the same metric without multiplexing
428 * is not allowed, even though the hardware supports that in principle.
431 #define METRIC_EVENT_CONSTRAINT(c, n) \
432 EVENT_CONSTRAINT(c, (1ULL << (INTEL_PMC_IDX_METRIC_BASE + n)), \
433 INTEL_ARCH_EVENT_MASK)
436 * Constraint on the Event code + UMask
438 #define INTEL_UEVENT_CONSTRAINT(c, n) \
439 EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK)
441 /* Constraint on specific umask bit only + event */
442 #define INTEL_UBIT_EVENT_CONSTRAINT(c, n) \
443 EVENT_CONSTRAINT(c, n, ARCH_PERFMON_EVENTSEL_EVENT|(c))
445 /* Like UEVENT_CONSTRAINT, but match flags too */
446 #define INTEL_FLAGS_UEVENT_CONSTRAINT(c, n) \
447 EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS)
449 #define INTEL_EXCLUEVT_CONSTRAINT(c, n) \
450 __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK, \
451 HWEIGHT(n), 0, PERF_X86_EVENT_EXCL)
453 #define INTEL_PLD_CONSTRAINT(c, n) \
454 __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
455 HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_LDLAT)
457 #define INTEL_PSD_CONSTRAINT(c, n) \
458 __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
459 HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_STLAT)
461 #define INTEL_PST_CONSTRAINT(c, n) \
462 __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
463 HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_ST)
465 #define INTEL_HYBRID_LAT_CONSTRAINT(c, n) \
466 __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
467 HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_LAT_HYBRID)
469 /* Event constraint, but match on all event flags too. */
470 #define INTEL_FLAGS_EVENT_CONSTRAINT(c, n) \
471 EVENT_CONSTRAINT(c, n, ARCH_PERFMON_EVENTSEL_EVENT|X86_ALL_EVENT_FLAGS)
473 #define INTEL_FLAGS_EVENT_CONSTRAINT_RANGE(c, e, n) \
474 EVENT_CONSTRAINT_RANGE(c, e, n, ARCH_PERFMON_EVENTSEL_EVENT|X86_ALL_EVENT_FLAGS)
476 /* Check only flags, but allow all event/umask */
477 #define INTEL_ALL_EVENT_CONSTRAINT(code, n) \
478 EVENT_CONSTRAINT(code, n, X86_ALL_EVENT_FLAGS)
480 /* Check flags and event code, and set the HSW store flag */
481 #define INTEL_FLAGS_EVENT_CONSTRAINT_DATALA_ST(code, n) \
482 __EVENT_CONSTRAINT(code, n, \
483 ARCH_PERFMON_EVENTSEL_EVENT|X86_ALL_EVENT_FLAGS, \
484 HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_ST_HSW)
486 /* Check flags and event code, and set the HSW load flag */
487 #define INTEL_FLAGS_EVENT_CONSTRAINT_DATALA_LD(code, n) \
488 __EVENT_CONSTRAINT(code, n, \
489 ARCH_PERFMON_EVENTSEL_EVENT|X86_ALL_EVENT_FLAGS, \
490 HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_LD_HSW)
492 #define INTEL_FLAGS_EVENT_CONSTRAINT_DATALA_LD_RANGE(code, end, n) \
493 __EVENT_CONSTRAINT_RANGE(code, end, n, \
494 ARCH_PERFMON_EVENTSEL_EVENT|X86_ALL_EVENT_FLAGS, \
495 HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_LD_HSW)
497 #define INTEL_FLAGS_EVENT_CONSTRAINT_DATALA_XLD(code, n) \
498 __EVENT_CONSTRAINT(code, n, \
499 ARCH_PERFMON_EVENTSEL_EVENT|X86_ALL_EVENT_FLAGS, \
501 PERF_X86_EVENT_PEBS_LD_HSW|PERF_X86_EVENT_EXCL)
503 /* Check flags and event code/umask, and set the HSW store flag */
504 #define INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_ST(code, n) \
505 __EVENT_CONSTRAINT(code, n, \
506 INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
507 HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_ST_HSW)
509 #define INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_XST(code, n) \
510 __EVENT_CONSTRAINT(code, n, \
511 INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
513 PERF_X86_EVENT_PEBS_ST_HSW|PERF_X86_EVENT_EXCL)
515 /* Check flags and event code/umask, and set the HSW load flag */
516 #define INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_LD(code, n) \
517 __EVENT_CONSTRAINT(code, n, \
518 INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
519 HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_LD_HSW)
521 #define INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_XLD(code, n) \
522 __EVENT_CONSTRAINT(code, n, \
523 INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
525 PERF_X86_EVENT_PEBS_LD_HSW|PERF_X86_EVENT_EXCL)
527 /* Check flags and event code/umask, and set the HSW N/A flag */
528 #define INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_NA(code, n) \
529 __EVENT_CONSTRAINT(code, n, \
530 INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
531 HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_NA_HSW)
535 * We define the end marker as having a weight of -1
536 * to enable blacklisting of events using a counter bitmask
537 * of zero and thus a weight of zero.
538 * The end marker has a weight that cannot possibly be
539 * obtained from counting the bits in the bitmask.
541 #define EVENT_CONSTRAINT_END { .weight = -1 }
544 * Check for end marker with weight == -1
546 #define for_each_event_constraint(e, c) \
547 for ((e) = (c); (e)->weight != -1; (e)++)
550 * Extra registers for specific events.
552 * Some events need large masks and require external MSRs.
553 * Those extra MSRs end up being shared for all events on
554 * a PMU and sometimes between PMU of sibling HT threads.
555 * In either case, the kernel needs to handle conflicting
556 * accesses to those extra, shared, regs. The data structure
557 * to manage those registers is stored in cpu_hw_event.
564 int idx; /* per_xxx->regs[] reg index */
565 bool extra_msr_access;
568 #define EVENT_EXTRA_REG(e, ms, m, vm, i) { \
571 .config_mask = (m), \
572 .valid_mask = (vm), \
573 .idx = EXTRA_REG_##i, \
574 .extra_msr_access = true, \
577 #define INTEL_EVENT_EXTRA_REG(event, msr, vm, idx) \
578 EVENT_EXTRA_REG(event, msr, ARCH_PERFMON_EVENTSEL_EVENT, vm, idx)
580 #define INTEL_UEVENT_EXTRA_REG(event, msr, vm, idx) \
581 EVENT_EXTRA_REG(event, msr, ARCH_PERFMON_EVENTSEL_EVENT | \
582 ARCH_PERFMON_EVENTSEL_UMASK, vm, idx)
584 #define INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(c) \
585 INTEL_UEVENT_EXTRA_REG(c, \
586 MSR_PEBS_LD_LAT_THRESHOLD, \
590 #define EVENT_EXTRA_END EVENT_EXTRA_REG(0, 0, 0, 0, RSP_0)
592 union perf_capabilities {
600 * PMU supports separate counter range for writing
603 u64 full_width_write:1;
606 u64 pebs_output_pt_available:1;
607 u64 anythread_deprecated:1;
612 struct x86_pmu_quirk {
613 struct x86_pmu_quirk *next;
617 union x86_pmu_config {
638 #define X86_CONFIG(args...) ((union x86_pmu_config){.bits = {args}}).value
641 x86_lbr_exclusive_lbr,
642 x86_lbr_exclusive_bts,
643 x86_lbr_exclusive_pt,
644 x86_lbr_exclusive_max,
647 #define PERF_PEBS_DATA_SOURCE_MAX 0x10
649 struct x86_hybrid_pmu {
653 cpumask_t supported_cpus;
654 union perf_capabilities intel_cap;
658 int num_counters_fixed;
659 struct event_constraint unconstrained;
661 u64 hw_cache_event_ids
662 [PERF_COUNT_HW_CACHE_MAX]
663 [PERF_COUNT_HW_CACHE_OP_MAX]
664 [PERF_COUNT_HW_CACHE_RESULT_MAX];
665 u64 hw_cache_extra_regs
666 [PERF_COUNT_HW_CACHE_MAX]
667 [PERF_COUNT_HW_CACHE_OP_MAX]
668 [PERF_COUNT_HW_CACHE_RESULT_MAX];
669 struct event_constraint *event_constraints;
670 struct event_constraint *pebs_constraints;
671 struct extra_reg *extra_regs;
673 unsigned int late_ack :1,
677 u64 pebs_data_source[PERF_PEBS_DATA_SOURCE_MAX];
680 static __always_inline struct x86_hybrid_pmu *hybrid_pmu(struct pmu *pmu)
682 return container_of(pmu, struct x86_hybrid_pmu, pmu);
685 extern struct static_key_false perf_is_hybrid;
686 #define is_hybrid() static_branch_unlikely(&perf_is_hybrid)
688 #define hybrid(_pmu, _field) \
690 typeof(&x86_pmu._field) __Fp = &x86_pmu._field; \
692 if (is_hybrid() && (_pmu)) \
693 __Fp = &hybrid_pmu(_pmu)->_field; \
698 #define hybrid_var(_pmu, _var) \
700 typeof(&_var) __Fp = &_var; \
702 if (is_hybrid() && (_pmu)) \
703 __Fp = &hybrid_pmu(_pmu)->_var; \
708 #define hybrid_bit(_pmu, _field) \
710 bool __Fp = x86_pmu._field; \
712 if (is_hybrid() && (_pmu)) \
713 __Fp = hybrid_pmu(_pmu)->_field; \
718 enum hybrid_pmu_type {
722 hybrid_big_small = hybrid_big | hybrid_small,
725 #define X86_HYBRID_PMU_ATOM_IDX 0
726 #define X86_HYBRID_PMU_CORE_IDX 1
728 #define X86_HYBRID_NUM_PMUS 2
731 * struct x86_pmu - generic x86 pmu
735 * Generic x86 PMC bits
739 int (*handle_irq)(struct pt_regs *);
740 void (*disable_all)(void);
741 void (*enable_all)(int added);
742 void (*enable)(struct perf_event *);
743 void (*disable)(struct perf_event *);
744 void (*assign)(struct perf_event *event, int idx);
745 void (*add)(struct perf_event *);
746 void (*del)(struct perf_event *);
747 void (*read)(struct perf_event *event);
748 int (*hw_config)(struct perf_event *event);
749 int (*schedule_events)(struct cpu_hw_events *cpuc, int n, int *assign);
752 int (*addr_offset)(int index, bool eventsel);
753 int (*rdpmc_index)(int index);
754 u64 (*event_map)(int);
757 int num_counters_fixed;
761 unsigned long events_maskl;
762 unsigned long events_mask[BITS_TO_LONGS(ARCH_PERFMON_EVENTS_COUNT)];
767 struct event_constraint *
768 (*get_event_constraints)(struct cpu_hw_events *cpuc,
770 struct perf_event *event);
772 void (*put_event_constraints)(struct cpu_hw_events *cpuc,
773 struct perf_event *event);
775 void (*start_scheduling)(struct cpu_hw_events *cpuc);
777 void (*commit_scheduling)(struct cpu_hw_events *cpuc, int idx, int cntr);
779 void (*stop_scheduling)(struct cpu_hw_events *cpuc);
781 struct event_constraint *event_constraints;
782 struct x86_pmu_quirk *quirks;
783 int perfctr_second_write;
784 u64 (*limit_period)(struct perf_event *event, u64 l);
786 /* PMI handler bits */
787 unsigned int late_ack :1,
793 int attr_rdpmc_broken;
795 struct attribute **format_attrs;
797 ssize_t (*events_sysfs_show)(char *page, u64 config);
798 const struct attribute_group **attr_update;
800 unsigned long attr_freeze_on_smi;
805 int (*cpu_prepare)(int cpu);
806 void (*cpu_starting)(int cpu);
807 void (*cpu_dying)(int cpu);
808 void (*cpu_dead)(int cpu);
810 void (*check_microcode)(void);
811 void (*sched_task)(struct perf_event_context *ctx,
815 * Intel Arch Perfmon v2+
818 union perf_capabilities intel_cap;
821 * Intel DebugStore bits
830 pebs_no_isolation :1,
833 int pebs_record_size;
834 int pebs_buffer_size;
836 void (*drain_pebs)(struct pt_regs *regs, struct perf_sample_data *data);
837 struct event_constraint *pebs_constraints;
838 void (*pebs_aliases)(struct perf_event *event);
839 u64 (*pebs_latency_data)(struct perf_event *event, u64 status);
840 unsigned long large_pebs_flags;
847 unsigned int lbr_tos, lbr_from, lbr_to,
848 lbr_info, lbr_nr; /* LBR base regs and size */
850 u64 lbr_sel_mask; /* LBR_SELECT valid bits */
851 u64 lbr_ctl_mask; /* LBR_CTL valid bits */
854 const int *lbr_sel_map; /* lbr_select mappings */
855 int *lbr_ctl_map; /* LBR_CTL mappings */
857 bool lbr_double_abort; /* duplicated lbr aborts */
858 bool lbr_pt_coexist; /* (LBR|BTS) may coexist with PT */
860 unsigned int lbr_has_info:1;
861 unsigned int lbr_has_tsx:1;
862 unsigned int lbr_from_flags:1;
863 unsigned int lbr_to_cycles:1;
866 * Intel Architectural LBR CPUID Enumeration
868 unsigned int lbr_depth_mask:8;
869 unsigned int lbr_deep_c_reset:1;
870 unsigned int lbr_lip:1;
871 unsigned int lbr_cpl:1;
872 unsigned int lbr_filter:1;
873 unsigned int lbr_call_stack:1;
874 unsigned int lbr_mispred:1;
875 unsigned int lbr_timed_lbr:1;
876 unsigned int lbr_br_type:1;
878 void (*lbr_reset)(void);
879 void (*lbr_read)(struct cpu_hw_events *cpuc);
880 void (*lbr_save)(void *ctx);
881 void (*lbr_restore)(void *ctx);
884 * Intel PT/LBR/BTS are exclusive
886 atomic_t lbr_exclusive[x86_lbr_exclusive_max];
891 int num_topdown_events;
892 u64 (*update_topdown_event)(struct perf_event *event);
893 int (*set_topdown_event_period)(struct perf_event *event);
896 * perf task context (i.e. struct perf_event_context::task_ctx_data)
897 * switch helper to bridge calls from perf/core to perf/x86.
898 * See struct pmu::swap_task_ctx() usage for examples;
900 void (*swap_task_ctx)(struct perf_event_context *prev,
901 struct perf_event_context *next);
906 unsigned int amd_nb_constraints : 1;
907 u64 perf_ctr_pair_en;
910 * Extra registers for events
912 struct extra_reg *extra_regs;
916 * Intel host/guest support (KVM)
918 struct perf_guest_switch_msr *(*guest_get_msrs)(int *nr, void *data);
921 * Check period value for PERF_EVENT_IOC_PERIOD ioctl.
923 int (*check_period) (struct perf_event *event, u64 period);
925 int (*aux_output_match) (struct perf_event *event);
927 int (*filter_match)(struct perf_event *event);
931 * Most PMU capabilities are the same among different hybrid PMUs.
932 * The global x86_pmu saves the architecture capabilities, which
933 * are available for all PMUs. The hybrid_pmu only includes the
934 * unique capabilities.
937 struct x86_hybrid_pmu *hybrid_pmu;
938 u8 (*get_hybrid_cpu_type) (void);
941 struct x86_perf_task_context_opt {
942 int lbr_callstack_users;
947 struct x86_perf_task_context {
951 struct x86_perf_task_context_opt opt;
952 struct lbr_entry lbr[MAX_LBR_ENTRIES];
955 struct x86_perf_task_context_arch_lbr {
956 struct x86_perf_task_context_opt opt;
957 struct lbr_entry entries[];
961 * Add padding to guarantee the 64-byte alignment of the state buffer.
963 * The structure is dynamically allocated. The size of the LBR state may vary
964 * based on the number of LBR registers.
966 * Do not put anything after the LBR state.
968 struct x86_perf_task_context_arch_lbr_xsave {
969 struct x86_perf_task_context_opt opt;
972 struct xregs_state xsave;
974 struct fxregs_state i387;
975 struct xstate_header header;
976 struct arch_lbr_state lbr;
977 } __attribute__ ((packed, aligned (XSAVE_ALIGNMENT)));
981 #define x86_add_quirk(func_) \
983 static struct x86_pmu_quirk __quirk __initdata = { \
986 __quirk.next = x86_pmu.quirks; \
987 x86_pmu.quirks = &__quirk; \
993 #define PMU_FL_NO_HT_SHARING 0x1 /* no hyper-threading resource sharing */
994 #define PMU_FL_HAS_RSP_1 0x2 /* has 2 equivalent offcore_rsp regs */
995 #define PMU_FL_EXCL_CNTRS 0x4 /* has exclusive counter requirements */
996 #define PMU_FL_EXCL_ENABLED 0x8 /* exclusive counter active */
997 #define PMU_FL_PEBS_ALL 0x10 /* all events are valid PEBS events */
998 #define PMU_FL_TFA 0x20 /* deal with TSX force abort */
999 #define PMU_FL_PAIR 0x40 /* merge counters for large incr. events */
1000 #define PMU_FL_INSTR_LATENCY 0x80 /* Support Instruction Latency in PEBS Memory Info Record */
1001 #define PMU_FL_MEM_LOADS_AUX 0x100 /* Require an auxiliary event for the complete memory info */
1003 #define EVENT_VAR(_id) event_attr_##_id
1004 #define EVENT_PTR(_id) &event_attr_##_id.attr.attr
1006 #define EVENT_ATTR(_name, _id) \
1007 static struct perf_pmu_events_attr EVENT_VAR(_id) = { \
1008 .attr = __ATTR(_name, 0444, events_sysfs_show, NULL), \
1009 .id = PERF_COUNT_HW_##_id, \
1010 .event_str = NULL, \
1013 #define EVENT_ATTR_STR(_name, v, str) \
1014 static struct perf_pmu_events_attr event_attr_##v = { \
1015 .attr = __ATTR(_name, 0444, events_sysfs_show, NULL), \
1020 #define EVENT_ATTR_STR_HT(_name, v, noht, ht) \
1021 static struct perf_pmu_events_ht_attr event_attr_##v = { \
1022 .attr = __ATTR(_name, 0444, events_ht_sysfs_show, NULL),\
1024 .event_str_noht = noht, \
1025 .event_str_ht = ht, \
1028 #define EVENT_ATTR_STR_HYBRID(_name, v, str, _pmu) \
1029 static struct perf_pmu_events_hybrid_attr event_attr_##v = { \
1030 .attr = __ATTR(_name, 0444, events_hybrid_sysfs_show, NULL),\
1036 #define FORMAT_HYBRID_PTR(_id) (&format_attr_hybrid_##_id.attr.attr)
1038 #define FORMAT_ATTR_HYBRID(_name, _pmu) \
1039 static struct perf_pmu_format_hybrid_attr format_attr_hybrid_##_name = {\
1040 .attr = __ATTR_RO(_name), \
1044 struct pmu *x86_get_pmu(unsigned int cpu);
1045 extern struct x86_pmu x86_pmu __read_mostly;
1047 static __always_inline struct x86_perf_task_context_opt *task_context_opt(void *ctx)
1049 if (static_cpu_has(X86_FEATURE_ARCH_LBR))
1050 return &((struct x86_perf_task_context_arch_lbr *)ctx)->opt;
1052 return &((struct x86_perf_task_context *)ctx)->opt;
1055 static inline bool x86_pmu_has_lbr_callstack(void)
1057 return x86_pmu.lbr_sel_map &&
1058 x86_pmu.lbr_sel_map[PERF_SAMPLE_BRANCH_CALL_STACK_SHIFT] > 0;
1061 DECLARE_PER_CPU(struct cpu_hw_events, cpu_hw_events);
1063 int x86_perf_event_set_period(struct perf_event *event);
1066 * Generalized hw caching related hw_event table, filled
1067 * in on a per model basis. A value of 0 means
1068 * 'not supported', -1 means 'hw_event makes no sense on
1069 * this CPU', any other value means the raw hw_event
1073 #define C(x) PERF_COUNT_HW_CACHE_##x
1075 extern u64 __read_mostly hw_cache_event_ids
1076 [PERF_COUNT_HW_CACHE_MAX]
1077 [PERF_COUNT_HW_CACHE_OP_MAX]
1078 [PERF_COUNT_HW_CACHE_RESULT_MAX];
1079 extern u64 __read_mostly hw_cache_extra_regs
1080 [PERF_COUNT_HW_CACHE_MAX]
1081 [PERF_COUNT_HW_CACHE_OP_MAX]
1082 [PERF_COUNT_HW_CACHE_RESULT_MAX];
1084 u64 x86_perf_event_update(struct perf_event *event);
1086 static inline unsigned int x86_pmu_config_addr(int index)
1088 return x86_pmu.eventsel + (x86_pmu.addr_offset ?
1089 x86_pmu.addr_offset(index, true) : index);
1092 static inline unsigned int x86_pmu_event_addr(int index)
1094 return x86_pmu.perfctr + (x86_pmu.addr_offset ?
1095 x86_pmu.addr_offset(index, false) : index);
1098 static inline int x86_pmu_rdpmc_index(int index)
1100 return x86_pmu.rdpmc_index ? x86_pmu.rdpmc_index(index) : index;
1103 bool check_hw_exists(struct pmu *pmu, int num_counters,
1104 int num_counters_fixed);
1106 int x86_add_exclusive(unsigned int what);
1108 void x86_del_exclusive(unsigned int what);
1110 int x86_reserve_hardware(void);
1112 void x86_release_hardware(void);
1114 int x86_pmu_max_precise(void);
1116 void hw_perf_lbr_event_destroy(struct perf_event *event);
1118 int x86_setup_perfctr(struct perf_event *event);
1120 int x86_pmu_hw_config(struct perf_event *event);
1122 void x86_pmu_disable_all(void);
1124 static inline bool has_amd_brs(struct hw_perf_event *hwc)
1126 return hwc->flags & PERF_X86_EVENT_AMD_BRS;
1129 static inline bool is_counter_pair(struct hw_perf_event *hwc)
1131 return hwc->flags & PERF_X86_EVENT_PAIR;
1134 static inline void __x86_pmu_enable_event(struct hw_perf_event *hwc,
1137 u64 disable_mask = __this_cpu_read(cpu_hw_events.perf_ctr_virt_mask);
1139 if (hwc->extra_reg.reg)
1140 wrmsrl(hwc->extra_reg.reg, hwc->extra_reg.config);
1143 * Add enabled Merge event on next counter
1144 * if large increment event being enabled on this counter
1146 if (is_counter_pair(hwc))
1147 wrmsrl(x86_pmu_config_addr(hwc->idx + 1), x86_pmu.perf_ctr_pair_en);
1149 wrmsrl(hwc->config_base, (hwc->config | enable_mask) & ~disable_mask);
1152 void x86_pmu_enable_all(int added);
1154 int perf_assign_events(struct event_constraint **constraints, int n,
1155 int wmin, int wmax, int gpmax, int *assign);
1156 int x86_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign);
1158 void x86_pmu_stop(struct perf_event *event, int flags);
1160 static inline void x86_pmu_disable_event(struct perf_event *event)
1162 u64 disable_mask = __this_cpu_read(cpu_hw_events.perf_ctr_virt_mask);
1163 struct hw_perf_event *hwc = &event->hw;
1165 wrmsrl(hwc->config_base, hwc->config & ~disable_mask);
1167 if (is_counter_pair(hwc))
1168 wrmsrl(x86_pmu_config_addr(hwc->idx + 1), 0);
1171 void x86_pmu_enable_event(struct perf_event *event);
1173 int x86_pmu_handle_irq(struct pt_regs *regs);
1175 void x86_pmu_show_pmu_cap(int num_counters, int num_counters_fixed,
1178 void x86_pmu_update_cpu_context(struct pmu *pmu, int cpu);
1180 extern struct event_constraint emptyconstraint;
1182 extern struct event_constraint unconstrained;
1184 static inline bool kernel_ip(unsigned long ip)
1186 #ifdef CONFIG_X86_32
1187 return ip > PAGE_OFFSET;
1189 return (long)ip < 0;
1194 * Not all PMUs provide the right context information to place the reported IP
1195 * into full context. Specifically segment registers are typically not
1198 * Assuming the address is a linear address (it is for IBS), we fake the CS and
1199 * vm86 mode using the known zero-based code segment and 'fix up' the registers
1202 * Intel PEBS/LBR appear to typically provide the effective address, nothing
1203 * much we can do about that but pray and treat it like a linear address.
1205 static inline void set_linear_ip(struct pt_regs *regs, unsigned long ip)
1207 regs->cs = kernel_ip(ip) ? __KERNEL_CS : __USER_CS;
1208 if (regs->flags & X86_VM_MASK)
1209 regs->flags ^= (PERF_EFLAGS_VM | X86_VM_MASK);
1213 ssize_t x86_event_sysfs_show(char *page, u64 config, u64 event);
1214 ssize_t intel_event_sysfs_show(char *page, u64 config);
1216 ssize_t events_sysfs_show(struct device *dev, struct device_attribute *attr,
1218 ssize_t events_ht_sysfs_show(struct device *dev, struct device_attribute *attr,
1220 ssize_t events_hybrid_sysfs_show(struct device *dev,
1221 struct device_attribute *attr,
1224 static inline bool fixed_counter_disabled(int i, struct pmu *pmu)
1226 u64 intel_ctrl = hybrid(pmu, intel_ctrl);
1228 return !(intel_ctrl >> (i + INTEL_PMC_IDX_FIXED));
1231 #ifdef CONFIG_CPU_SUP_AMD
1233 int amd_pmu_init(void);
1235 #ifdef CONFIG_PERF_EVENTS_AMD_BRS
1236 int amd_brs_init(void);
1237 void amd_brs_disable(void);
1238 void amd_brs_enable(void);
1239 void amd_brs_enable_all(void);
1240 void amd_brs_disable_all(void);
1241 void amd_brs_drain(void);
1242 void amd_brs_lopwr_init(void);
1243 void amd_brs_disable_all(void);
1244 int amd_brs_setup_filter(struct perf_event *event);
1245 void amd_brs_reset(void);
1247 static inline void amd_pmu_brs_add(struct perf_event *event)
1249 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
1251 perf_sched_cb_inc(event->ctx->pmu);
1254 * No need to reset BRS because it is reset
1255 * on brs_enable() and it is saturating
1259 static inline void amd_pmu_brs_del(struct perf_event *event)
1261 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
1264 WARN_ON_ONCE(cpuc->lbr_users < 0);
1266 perf_sched_cb_dec(event->ctx->pmu);
1269 void amd_pmu_brs_sched_task(struct perf_event_context *ctx, bool sched_in);
1271 static inline int amd_brs_init(void)
1275 static inline void amd_brs_disable(void) {}
1276 static inline void amd_brs_enable(void) {}
1277 static inline void amd_brs_drain(void) {}
1278 static inline void amd_brs_lopwr_init(void) {}
1279 static inline void amd_brs_disable_all(void) {}
1280 static inline int amd_brs_setup_filter(struct perf_event *event)
1284 static inline void amd_brs_reset(void) {}
1286 static inline void amd_pmu_brs_add(struct perf_event *event)
1290 static inline void amd_pmu_brs_del(struct perf_event *event)
1294 static inline void amd_pmu_brs_sched_task(struct perf_event_context *ctx, bool sched_in)
1298 static inline void amd_brs_enable_all(void)
1304 #else /* CONFIG_CPU_SUP_AMD */
1306 static inline int amd_pmu_init(void)
1311 static inline int amd_brs_init(void)
1316 static inline void amd_brs_drain(void)
1320 static inline void amd_brs_enable_all(void)
1324 static inline void amd_brs_disable_all(void)
1327 #endif /* CONFIG_CPU_SUP_AMD */
1329 static inline int is_pebs_pt(struct perf_event *event)
1331 return !!(event->hw.flags & PERF_X86_EVENT_PEBS_VIA_PT);
1334 #ifdef CONFIG_CPU_SUP_INTEL
1336 static inline bool intel_pmu_has_bts_period(struct perf_event *event, u64 period)
1338 struct hw_perf_event *hwc = &event->hw;
1339 unsigned int hw_event, bts_event;
1341 if (event->attr.freq)
1344 hw_event = hwc->config & INTEL_ARCH_EVENT_MASK;
1345 bts_event = x86_pmu.event_map(PERF_COUNT_HW_BRANCH_INSTRUCTIONS);
1347 return hw_event == bts_event && period == 1;
1350 static inline bool intel_pmu_has_bts(struct perf_event *event)
1352 struct hw_perf_event *hwc = &event->hw;
1354 return intel_pmu_has_bts_period(event, hwc->sample_period);
1357 static __always_inline void __intel_pmu_pebs_disable_all(void)
1359 wrmsrl(MSR_IA32_PEBS_ENABLE, 0);
1362 static __always_inline void __intel_pmu_arch_lbr_disable(void)
1364 wrmsrl(MSR_ARCH_LBR_CTL, 0);
1367 static __always_inline void __intel_pmu_lbr_disable(void)
1371 rdmsrl(MSR_IA32_DEBUGCTLMSR, debugctl);
1372 debugctl &= ~(DEBUGCTLMSR_LBR | DEBUGCTLMSR_FREEZE_LBRS_ON_PMI);
1373 wrmsrl(MSR_IA32_DEBUGCTLMSR, debugctl);
1376 int intel_pmu_save_and_restart(struct perf_event *event);
1378 struct event_constraint *
1379 x86_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
1380 struct perf_event *event);
1382 extern int intel_cpuc_prepare(struct cpu_hw_events *cpuc, int cpu);
1383 extern void intel_cpuc_finish(struct cpu_hw_events *cpuc);
1385 int intel_pmu_init(void);
1387 void init_debug_store_on_cpu(int cpu);
1389 void fini_debug_store_on_cpu(int cpu);
1391 void release_ds_buffers(void);
1393 void reserve_ds_buffers(void);
1395 void release_lbr_buffers(void);
1397 void reserve_lbr_buffers(void);
1399 extern struct event_constraint bts_constraint;
1400 extern struct event_constraint vlbr_constraint;
1402 void intel_pmu_enable_bts(u64 config);
1404 void intel_pmu_disable_bts(void);
1406 int intel_pmu_drain_bts_buffer(void);
1408 u64 adl_latency_data_small(struct perf_event *event, u64 status);
1410 extern struct event_constraint intel_core2_pebs_event_constraints[];
1412 extern struct event_constraint intel_atom_pebs_event_constraints[];
1414 extern struct event_constraint intel_slm_pebs_event_constraints[];
1416 extern struct event_constraint intel_glm_pebs_event_constraints[];
1418 extern struct event_constraint intel_glp_pebs_event_constraints[];
1420 extern struct event_constraint intel_grt_pebs_event_constraints[];
1422 extern struct event_constraint intel_nehalem_pebs_event_constraints[];
1424 extern struct event_constraint intel_westmere_pebs_event_constraints[];
1426 extern struct event_constraint intel_snb_pebs_event_constraints[];
1428 extern struct event_constraint intel_ivb_pebs_event_constraints[];
1430 extern struct event_constraint intel_hsw_pebs_event_constraints[];
1432 extern struct event_constraint intel_bdw_pebs_event_constraints[];
1434 extern struct event_constraint intel_skl_pebs_event_constraints[];
1436 extern struct event_constraint intel_icl_pebs_event_constraints[];
1438 extern struct event_constraint intel_spr_pebs_event_constraints[];
1440 struct event_constraint *intel_pebs_constraints(struct perf_event *event);
1442 void intel_pmu_pebs_add(struct perf_event *event);
1444 void intel_pmu_pebs_del(struct perf_event *event);
1446 void intel_pmu_pebs_enable(struct perf_event *event);
1448 void intel_pmu_pebs_disable(struct perf_event *event);
1450 void intel_pmu_pebs_enable_all(void);
1452 void intel_pmu_pebs_disable_all(void);
1454 void intel_pmu_pebs_sched_task(struct perf_event_context *ctx, bool sched_in);
1456 void intel_pmu_auto_reload_read(struct perf_event *event);
1458 void intel_pmu_store_pebs_lbrs(struct lbr_entry *lbr);
1460 void intel_ds_init(void);
1462 void intel_pmu_lbr_swap_task_ctx(struct perf_event_context *prev,
1463 struct perf_event_context *next);
1465 void intel_pmu_lbr_sched_task(struct perf_event_context *ctx, bool sched_in);
1467 u64 lbr_from_signext_quirk_wr(u64 val);
1469 void intel_pmu_lbr_reset(void);
1471 void intel_pmu_lbr_reset_32(void);
1473 void intel_pmu_lbr_reset_64(void);
1475 void intel_pmu_lbr_add(struct perf_event *event);
1477 void intel_pmu_lbr_del(struct perf_event *event);
1479 void intel_pmu_lbr_enable_all(bool pmi);
1481 void intel_pmu_lbr_disable_all(void);
1483 void intel_pmu_lbr_read(void);
1485 void intel_pmu_lbr_read_32(struct cpu_hw_events *cpuc);
1487 void intel_pmu_lbr_read_64(struct cpu_hw_events *cpuc);
1489 void intel_pmu_lbr_save(void *ctx);
1491 void intel_pmu_lbr_restore(void *ctx);
1493 void intel_pmu_lbr_init_core(void);
1495 void intel_pmu_lbr_init_nhm(void);
1497 void intel_pmu_lbr_init_atom(void);
1499 void intel_pmu_lbr_init_slm(void);
1501 void intel_pmu_lbr_init_snb(void);
1503 void intel_pmu_lbr_init_hsw(void);
1505 void intel_pmu_lbr_init_skl(void);
1507 void intel_pmu_lbr_init_knl(void);
1509 void intel_pmu_lbr_init(void);
1511 void intel_pmu_arch_lbr_init(void);
1513 void intel_pmu_pebs_data_source_nhm(void);
1515 void intel_pmu_pebs_data_source_skl(bool pmem);
1517 void intel_pmu_pebs_data_source_adl(void);
1519 int intel_pmu_setup_lbr_filter(struct perf_event *event);
1521 void intel_pt_interrupt(void);
1523 int intel_bts_interrupt(void);
1525 void intel_bts_enable_local(void);
1527 void intel_bts_disable_local(void);
1529 int p4_pmu_init(void);
1531 int p6_pmu_init(void);
1533 int knc_pmu_init(void);
1535 static inline int is_ht_workaround_enabled(void)
1537 return !!(x86_pmu.flags & PMU_FL_EXCL_ENABLED);
1540 #else /* CONFIG_CPU_SUP_INTEL */
1542 static inline void reserve_ds_buffers(void)
1546 static inline void release_ds_buffers(void)
1550 static inline void release_lbr_buffers(void)
1554 static inline void reserve_lbr_buffers(void)
1558 static inline int intel_pmu_init(void)
1563 static inline int intel_cpuc_prepare(struct cpu_hw_events *cpuc, int cpu)
1568 static inline void intel_cpuc_finish(struct cpu_hw_events *cpuc)
1572 static inline int is_ht_workaround_enabled(void)
1576 #endif /* CONFIG_CPU_SUP_INTEL */
1578 #if ((defined CONFIG_CPU_SUP_CENTAUR) || (defined CONFIG_CPU_SUP_ZHAOXIN))
1579 int zhaoxin_pmu_init(void);
1581 static inline int zhaoxin_pmu_init(void)
1585 #endif /*CONFIG_CPU_SUP_CENTAUR or CONFIG_CPU_SUP_ZHAOXIN*/