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Diffstat (limited to 'arch/x86/kernel/cpu/perf_event_intel.c')
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c37
1 files changed, 23 insertions, 14 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 977e7544738c..44b60c852107 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1,7 +1,7 @@
1#ifdef CONFIG_CPU_SUP_INTEL 1#ifdef CONFIG_CPU_SUP_INTEL
2 2
3/* 3/*
4 * Intel PerfMon v3. Used on Core2 and later. 4 * Intel PerfMon, used on Core and later.
5 */ 5 */
6static const u64 intel_perfmon_event_map[] = 6static const u64 intel_perfmon_event_map[] =
7{ 7{
@@ -27,8 +27,14 @@ static struct event_constraint intel_core_event_constraints[] =
27 27
28static struct event_constraint intel_core2_event_constraints[] = 28static struct event_constraint intel_core2_event_constraints[] =
29{ 29{
30 FIXED_EVENT_CONSTRAINT(0xc0, (0x3|(1ULL<<32))), /* INSTRUCTIONS_RETIRED */ 30 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
31 FIXED_EVENT_CONSTRAINT(0x3c, (0x3|(1ULL<<33))), /* UNHALTED_CORE_CYCLES */ 31 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
32 /*
33 * Core2 has Fixed Counter 2 listed as CPU_CLK_UNHALTED.REF and event
34 * 0x013c as CPU_CLK_UNHALTED.BUS and specifies there is a fixed
35 * ratio between these counters.
36 */
37 /* FIXED_EVENT_CONSTRAINT(0x013c, 2), CPU_CLK_UNHALTED.REF */
32 INTEL_EVENT_CONSTRAINT(0x10, 0x1), /* FP_COMP_OPS_EXE */ 38 INTEL_EVENT_CONSTRAINT(0x10, 0x1), /* FP_COMP_OPS_EXE */
33 INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */ 39 INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */
34 INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */ 40 INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */
@@ -37,14 +43,16 @@ static struct event_constraint intel_core2_event_constraints[] =
37 INTEL_EVENT_CONSTRAINT(0x18, 0x1), /* IDLE_DURING_DIV */ 43 INTEL_EVENT_CONSTRAINT(0x18, 0x1), /* IDLE_DURING_DIV */
38 INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */ 44 INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */
39 INTEL_EVENT_CONSTRAINT(0xa1, 0x1), /* RS_UOPS_DISPATCH_CYCLES */ 45 INTEL_EVENT_CONSTRAINT(0xa1, 0x1), /* RS_UOPS_DISPATCH_CYCLES */
46 INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* ITLB_MISS_RETIRED (T30-9) */
40 INTEL_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED */ 47 INTEL_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED */
41 EVENT_CONSTRAINT_END 48 EVENT_CONSTRAINT_END
42}; 49};
43 50
44static struct event_constraint intel_nehalem_event_constraints[] = 51static struct event_constraint intel_nehalem_event_constraints[] =
45{ 52{
46 FIXED_EVENT_CONSTRAINT(0xc0, (0xf|(1ULL<<32))), /* INSTRUCTIONS_RETIRED */ 53 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
47 FIXED_EVENT_CONSTRAINT(0x3c, (0xf|(1ULL<<33))), /* UNHALTED_CORE_CYCLES */ 54 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
55 /* FIXED_EVENT_CONSTRAINT(0x013c, 2), CPU_CLK_UNHALTED.REF */
48 INTEL_EVENT_CONSTRAINT(0x40, 0x3), /* L1D_CACHE_LD */ 56 INTEL_EVENT_CONSTRAINT(0x40, 0x3), /* L1D_CACHE_LD */
49 INTEL_EVENT_CONSTRAINT(0x41, 0x3), /* L1D_CACHE_ST */ 57 INTEL_EVENT_CONSTRAINT(0x41, 0x3), /* L1D_CACHE_ST */
50 INTEL_EVENT_CONSTRAINT(0x42, 0x3), /* L1D_CACHE_LOCK */ 58 INTEL_EVENT_CONSTRAINT(0x42, 0x3), /* L1D_CACHE_LOCK */
@@ -58,8 +66,9 @@ static struct event_constraint intel_nehalem_event_constraints[] =
58 66
59static struct event_constraint intel_westmere_event_constraints[] = 67static struct event_constraint intel_westmere_event_constraints[] =
60{ 68{
61 FIXED_EVENT_CONSTRAINT(0xc0, (0xf|(1ULL<<32))), /* INSTRUCTIONS_RETIRED */ 69 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
62 FIXED_EVENT_CONSTRAINT(0x3c, (0xf|(1ULL<<33))), /* UNHALTED_CORE_CYCLES */ 70 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
71 /* FIXED_EVENT_CONSTRAINT(0x013c, 2), CPU_CLK_UNHALTED.REF */
63 INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */ 72 INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
64 INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */ 73 INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */
65 INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */ 74 INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
@@ -68,8 +77,9 @@ static struct event_constraint intel_westmere_event_constraints[] =
68 77
69static struct event_constraint intel_gen_event_constraints[] = 78static struct event_constraint intel_gen_event_constraints[] =
70{ 79{
71 FIXED_EVENT_CONSTRAINT(0xc0, (0x3|(1ULL<<32))), /* INSTRUCTIONS_RETIRED */ 80 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
72 FIXED_EVENT_CONSTRAINT(0x3c, (0x3|(1ULL<<33))), /* UNHALTED_CORE_CYCLES */ 81 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
82 /* FIXED_EVENT_CONSTRAINT(0x013c, 2), CPU_CLK_UNHALTED.REF */
73 EVENT_CONSTRAINT_END 83 EVENT_CONSTRAINT_END
74}; 84};
75 85
@@ -580,10 +590,9 @@ static void intel_pmu_drain_bts_buffer(void)
580 590
581 ds->bts_index = ds->bts_buffer_base; 591 ds->bts_index = ds->bts_buffer_base;
582 592
593 perf_sample_data_init(&data, 0);
583 594
584 data.period = event->hw.last_period; 595 data.period = event->hw.last_period;
585 data.addr = 0;
586 data.raw = NULL;
587 regs.ip = 0; 596 regs.ip = 0;
588 597
589 /* 598 /*
@@ -732,8 +741,7 @@ static int intel_pmu_handle_irq(struct pt_regs *regs)
732 int bit, loops; 741 int bit, loops;
733 u64 ack, status; 742 u64 ack, status;
734 743
735 data.addr = 0; 744 perf_sample_data_init(&data, 0);
736 data.raw = NULL;
737 745
738 cpuc = &__get_cpu_var(cpu_hw_events); 746 cpuc = &__get_cpu_var(cpu_hw_events);
739 747
@@ -935,7 +943,7 @@ static __init int intel_pmu_init(void)
935 x86_pmu.event_constraints = intel_nehalem_event_constraints; 943 x86_pmu.event_constraints = intel_nehalem_event_constraints;
936 pr_cont("Nehalem/Corei7 events, "); 944 pr_cont("Nehalem/Corei7 events, ");
937 break; 945 break;
938 case 28: 946 case 28: /* Atom */
939 memcpy(hw_cache_event_ids, atom_hw_cache_event_ids, 947 memcpy(hw_cache_event_ids, atom_hw_cache_event_ids,
940 sizeof(hw_cache_event_ids)); 948 sizeof(hw_cache_event_ids));
941 949
@@ -951,6 +959,7 @@ static __init int intel_pmu_init(void)
951 x86_pmu.event_constraints = intel_westmere_event_constraints; 959 x86_pmu.event_constraints = intel_westmere_event_constraints;
952 pr_cont("Westmere events, "); 960 pr_cont("Westmere events, ");
953 break; 961 break;
962
954 default: 963 default:
955 /* 964 /*
956 * default constraints for v2 and up 965 * default constraints for v2 and up