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Diffstat (limited to 'arch/x86/events/intel/ds.c')
-rw-r--r--arch/x86/events/intel/ds.c47
1 files changed, 29 insertions, 18 deletions
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 7ebae1826403..1ec8fd311f38 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -779,6 +779,13 @@ struct event_constraint intel_glm_pebs_event_constraints[] = {
EVENT_CONSTRAINT_END
};
+struct event_constraint intel_grt_pebs_event_constraints[] = {
+ /* Allow all events as PEBS with no flags */
+ INTEL_PLD_CONSTRAINT(0x5d0, 0xf),
+ INTEL_PSD_CONSTRAINT(0x6d0, 0xf),
+ EVENT_CONSTRAINT_END
+};
+
struct event_constraint intel_nehalem_pebs_event_constraints[] = {
INTEL_PLD_CONSTRAINT(0x100b, 0xf), /* MEM_INST_RETIRED.* */
INTEL_FLAGS_EVENT_CONSTRAINT(0x0f, 0xf), /* MEM_UNCORE_RETIRED.* */
@@ -959,13 +966,14 @@ struct event_constraint intel_spr_pebs_event_constraints[] = {
struct event_constraint *intel_pebs_constraints(struct perf_event *event)
{
+ struct event_constraint *pebs_constraints = hybrid(event->pmu, pebs_constraints);
struct event_constraint *c;
if (!event->attr.precise_ip)
return NULL;
- if (x86_pmu.pebs_constraints) {
- for_each_event_constraint(c, x86_pmu.pebs_constraints) {
+ if (pebs_constraints) {
+ for_each_event_constraint(c, pebs_constraints) {
if (constraint_match(c, event->hw.config)) {
event->hw.flags |= c->flags;
return c;
@@ -1007,6 +1015,8 @@ void intel_pmu_pebs_sched_task(struct perf_event_context *ctx, bool sched_in)
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);
u64 threshold;
int reserved;
@@ -1014,9 +1024,9 @@ static inline void pebs_update_threshold(struct cpu_hw_events *cpuc)
return;
if (x86_pmu.flags & PMU_FL_PEBS_ALL)
- reserved = x86_pmu.max_pebs_events + x86_pmu.num_counters_fixed;
+ reserved = max_pebs_events + num_counters_fixed;
else
- reserved = x86_pmu.max_pebs_events;
+ reserved = max_pebs_events;
if (cpuc->n_pebs == cpuc->n_large_pebs) {
threshold = ds->pebs_absolute_maximum -
@@ -1353,14 +1363,13 @@ static int intel_pmu_pebs_fixup_ip(struct pt_regs *regs)
is_64bit = kernel_ip(to) || any_64bit_mode(regs);
#endif
insn_init(&insn, kaddr, size, is_64bit);
- insn_get_length(&insn);
+
/*
- * Make sure there was not a problem decoding the
- * instruction and getting the length. This is
- * doubly important because we have an infinite
- * loop if insn.length=0.
+ * Make sure there was not a problem decoding the instruction.
+ * This is doubly important because we have an infinite loop if
+ * insn.length=0.
*/
- if (!insn.length)
+ if (insn_get_length(&insn))
break;
to += insn.length;
@@ -1805,7 +1814,7 @@ intel_pmu_save_and_restart_reload(struct perf_event *event, int count)
*
* [-period, 0]
*
- * the difference between two consequtive reads is:
+ * the difference between two consecutive reads is:
*
* A) value2 - value1;
* when no overflows have happened in between,
@@ -2010,7 +2019,7 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs, struct perf_sample_d
*/
if (!pebs_status && cpuc->pebs_enabled &&
!(cpuc->pebs_enabled & (cpuc->pebs_enabled-1)))
- pebs_status = cpuc->pebs_enabled;
+ pebs_status = p->status = cpuc->pebs_enabled;
bit = find_first_bit((unsigned long *)&pebs_status,
x86_pmu.max_pebs_events);
@@ -2072,6 +2081,8 @@ 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;
@@ -2086,9 +2097,9 @@ static void intel_pmu_drain_pebs_icl(struct pt_regs *iregs, struct perf_sample_d
ds->pebs_index = ds->pebs_buffer_base;
- mask = ((1ULL << x86_pmu.max_pebs_events) - 1) |
- (((1ULL << x86_pmu.num_counters_fixed) - 1) << INTEL_PMC_IDX_FIXED);
- size = INTEL_PMC_IDX_FIXED + x86_pmu.num_counters_fixed;
+ mask = ((1ULL << max_pebs_events) - 1) |
+ (((1ULL << num_counters_fixed) - 1) << INTEL_PMC_IDX_FIXED);
+ size = INTEL_PMC_IDX_FIXED + num_counters_fixed;
if (unlikely(base >= top)) {
intel_pmu_pebs_event_update_no_drain(cpuc, size);
@@ -2192,7 +2203,7 @@ void __init intel_ds_init(void)
PERF_SAMPLE_TIME;
x86_pmu.flags |= PMU_FL_PEBS_ALL;
pebs_qual = "-baseline";
- x86_get_pmu()->capabilities |= PERF_PMU_CAP_EXTENDED_REGS;
+ x86_get_pmu(smp_processor_id())->capabilities |= PERF_PMU_CAP_EXTENDED_REGS;
} else {
/* Only basic record supported */
x86_pmu.large_pebs_flags &=
@@ -2205,9 +2216,9 @@ void __init intel_ds_init(void)
}
pr_cont("PEBS fmt4%c%s, ", pebs_type, pebs_qual);
- if (x86_pmu.intel_cap.pebs_output_pt_available) {
+ if (!is_hybrid() && x86_pmu.intel_cap.pebs_output_pt_available) {
pr_cont("PEBS-via-PT, ");
- x86_get_pmu()->capabilities |= PERF_PMU_CAP_AUX_OUTPUT;
+ x86_get_pmu(smp_processor_id())->capabilities |= PERF_PMU_CAP_AUX_OUTPUT;
}
break;