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-rw-r--r--arch/x86/events/intel/core.c2
-rw-r--r--arch/x86/events/intel/ds.c94
-rw-r--r--arch/x86/events/perf_event.h16
3 files changed, 109 insertions, 3 deletions
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 35f2d52281cc..6a6f1f4b9205 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -6960,6 +6960,7 @@ __init int intel_pmu_init(void)
case INTEL_ARROWLAKE:
intel_pmu_init_hybrid(hybrid_big_small);
+ x86_pmu.pebs_latency_data = lnl_latency_data;
x86_pmu.get_event_constraints = mtl_get_event_constraints;
x86_pmu.hw_config = adl_hw_config;
@@ -6977,6 +6978,7 @@ __init int intel_pmu_init(void)
pmu = &x86_pmu.hybrid_pmu[X86_HYBRID_PMU_ATOM_IDX];
intel_pmu_init_skt(&pmu->pmu);
+ intel_pmu_pebs_data_source_lnl();
pr_cont("Lunarlake Hybrid events, ");
name = "lunarlake_hybrid";
break;
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 3581c2715b21..b9cc520b2942 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -63,6 +63,15 @@ union intel_x86_pebs_dse {
unsigned int mtl_fwd_blk:1;
unsigned int ld_reserved4:24;
};
+ struct {
+ unsigned int lnc_dse:8;
+ unsigned int ld_reserved5:2;
+ unsigned int lnc_stlb_miss:1;
+ unsigned int lnc_locked:1;
+ unsigned int lnc_data_blk:1;
+ unsigned int lnc_addr_blk:1;
+ unsigned int ld_reserved6:18;
+ };
};
@@ -77,7 +86,7 @@ union intel_x86_pebs_dse {
#define SNOOP_NONE_MISS (P(SNOOP, NONE) | P(SNOOP, MISS))
/* Version for Sandy Bridge and later */
-static u64 pebs_data_source[] = {
+static u64 pebs_data_source[PERF_PEBS_DATA_SOURCE_MAX] = {
P(OP, LOAD) | P(LVL, MISS) | LEVEL(L3) | P(SNOOP, NA),/* 0x00:ukn L3 */
OP_LH | P(LVL, L1) | LEVEL(L1) | P(SNOOP, NONE), /* 0x01: L1 local */
OP_LH | P(LVL, LFB) | LEVEL(LFB) | P(SNOOP, NONE), /* 0x02: LFB hit */
@@ -173,6 +182,40 @@ void __init intel_pmu_pebs_data_source_cmt(void)
__intel_pmu_pebs_data_source_cmt(pebs_data_source);
}
+/* Version for Lion Cove and later */
+static u64 lnc_pebs_data_source[PERF_PEBS_DATA_SOURCE_MAX] = {
+ P(OP, LOAD) | P(LVL, MISS) | LEVEL(L3) | P(SNOOP, NA), /* 0x00: ukn L3 */
+ OP_LH | P(LVL, L1) | LEVEL(L1) | P(SNOOP, NONE), /* 0x01: L1 hit */
+ OP_LH | P(LVL, L1) | LEVEL(L1) | P(SNOOP, NONE), /* 0x02: L1 hit */
+ OP_LH | P(LVL, LFB) | LEVEL(LFB) | P(SNOOP, NONE), /* 0x03: LFB/L1 Miss Handling Buffer hit */
+ 0, /* 0x04: Reserved */
+ OP_LH | P(LVL, L2) | LEVEL(L2) | P(SNOOP, NONE), /* 0x05: L2 Hit */
+ OP_LH | LEVEL(L2_MHB) | P(SNOOP, NONE), /* 0x06: L2 Miss Handling Buffer Hit */
+ 0, /* 0x07: Reserved */
+ OP_LH | P(LVL, L3) | LEVEL(L3) | P(SNOOP, NONE), /* 0x08: L3 Hit */
+ 0, /* 0x09: Reserved */
+ 0, /* 0x0a: Reserved */
+ 0, /* 0x0b: Reserved */
+ OP_LH | P(LVL, L3) | LEVEL(L3) | P(SNOOPX, FWD), /* 0x0c: L3 Hit Snoop Fwd */
+ OP_LH | P(LVL, L3) | LEVEL(L3) | P(SNOOP, HITM), /* 0x0d: L3 Hit Snoop HitM */
+ 0, /* 0x0e: Reserved */
+ P(OP, LOAD) | P(LVL, MISS) | P(LVL, L3) | LEVEL(L3) | P(SNOOP, HITM), /* 0x0f: L3 Miss Snoop HitM */
+ OP_LH | LEVEL(MSC) | P(SNOOP, NONE), /* 0x10: Memory-side Cache Hit */
+ OP_LH | P(LVL, LOC_RAM) | LEVEL(RAM) | P(SNOOP, NONE), /* 0x11: Local Memory Hit */
+};
+
+void __init intel_pmu_pebs_data_source_lnl(void)
+{
+ u64 *data_source;
+
+ data_source = x86_pmu.hybrid_pmu[X86_HYBRID_PMU_CORE_IDX].pebs_data_source;
+ memcpy(data_source, lnc_pebs_data_source, sizeof(lnc_pebs_data_source));
+
+ data_source = x86_pmu.hybrid_pmu[X86_HYBRID_PMU_ATOM_IDX].pebs_data_source;
+ memcpy(data_source, pebs_data_source, sizeof(pebs_data_source));
+ __intel_pmu_pebs_data_source_cmt(data_source);
+}
+
static u64 precise_store_data(u64 status)
{
union intel_x86_pebs_dse dse;
@@ -264,7 +307,7 @@ static u64 __grt_latency_data(struct perf_event *event, u64 status,
WARN_ON_ONCE(hybrid_pmu(event->pmu)->pmu_type == hybrid_big);
- dse &= PERF_PEBS_DATA_SOURCE_MASK;
+ dse &= PERF_PEBS_DATA_SOURCE_GRT_MASK;
val = hybrid_var(event->pmu, pebs_data_source)[dse];
pebs_set_tlb_lock(&val, tlb, lock);
@@ -300,6 +343,51 @@ u64 cmt_latency_data(struct perf_event *event, u64 status)
dse.mtl_fwd_blk);
}
+static u64 lnc_latency_data(struct perf_event *event, u64 status)
+{
+ union intel_x86_pebs_dse dse;
+ union perf_mem_data_src src;
+ u64 val;
+
+ dse.val = status;
+
+ /* LNC core latency data */
+ val = hybrid_var(event->pmu, pebs_data_source)[status & PERF_PEBS_DATA_SOURCE_MASK];
+ if (!val)
+ val = P(OP, LOAD) | LEVEL(NA) | P(SNOOP, NA);
+
+ if (dse.lnc_stlb_miss)
+ val |= P(TLB, MISS) | P(TLB, L2);
+ else
+ val |= P(TLB, HIT) | P(TLB, L1) | P(TLB, L2);
+
+ if (dse.lnc_locked)
+ val |= P(LOCK, LOCKED);
+
+ if (dse.lnc_data_blk)
+ val |= P(BLK, DATA);
+ if (dse.lnc_addr_blk)
+ val |= P(BLK, ADDR);
+ if (!dse.lnc_data_blk && !dse.lnc_addr_blk)
+ val |= P(BLK, NA);
+
+ src.val = val;
+ if (event->hw.flags & PERF_X86_EVENT_PEBS_ST_HSW)
+ src.mem_op = P(OP, STORE);
+
+ return src.val;
+}
+
+u64 lnl_latency_data(struct perf_event *event, u64 status)
+{
+ struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu);
+
+ if (pmu->pmu_type == hybrid_small)
+ return cmt_latency_data(event, status);
+
+ return lnc_latency_data(event, status);
+}
+
static u64 load_latency_data(struct perf_event *event, u64 status)
{
union intel_x86_pebs_dse dse;
@@ -1090,6 +1178,8 @@ struct event_constraint intel_lnc_pebs_event_constraints[] = {
INTEL_FLAGS_UEVENT_CONSTRAINT(0x100, 0x100000000ULL), /* INST_RETIRED.PREC_DIST */
INTEL_FLAGS_UEVENT_CONSTRAINT(0x0400, 0x800000000ULL),
+ INTEL_HYBRID_LDLAT_CONSTRAINT(0x1cd, 0x3ff),
+ INTEL_HYBRID_STLAT_CONSTRAINT(0x2cd, 0x3),
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_LD(0x11d0, 0xf), /* MEM_INST_RETIRED.STLB_MISS_LOADS */
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_ST(0x12d0, 0xf), /* MEM_INST_RETIRED.STLB_MISS_STORES */
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_LD(0x21d0, 0xf), /* MEM_INST_RETIRED.LOCK_LOADS */
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index fc2561959fed..493bc9f70ffe 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -476,6 +476,14 @@ struct cpu_hw_events {
__EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_LAT_HYBRID)
+#define INTEL_HYBRID_LDLAT_CONSTRAINT(c, n) \
+ __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
+ HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_LAT_HYBRID|PERF_X86_EVENT_PEBS_LD_HSW)
+
+#define INTEL_HYBRID_STLAT_CONSTRAINT(c, n) \
+ __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
+ HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_LAT_HYBRID|PERF_X86_EVENT_PEBS_ST_HSW)
+
/* Event constraint, but match on all event flags too. */
#define INTEL_FLAGS_EVENT_CONSTRAINT(c, n) \
EVENT_CONSTRAINT(c, n, ARCH_PERFMON_EVENTSEL_EVENT|X86_ALL_EVENT_FLAGS)
@@ -655,8 +663,10 @@ enum {
x86_lbr_exclusive_max,
};
-#define PERF_PEBS_DATA_SOURCE_MAX 0x10
+#define PERF_PEBS_DATA_SOURCE_MAX 0x100
#define PERF_PEBS_DATA_SOURCE_MASK (PERF_PEBS_DATA_SOURCE_MAX - 1)
+#define PERF_PEBS_DATA_SOURCE_GRT_MAX 0x10
+#define PERF_PEBS_DATA_SOURCE_GRT_MASK (PERF_PEBS_DATA_SOURCE_GRT_MAX - 1)
enum hybrid_cpu_type {
HYBRID_INTEL_NONE,
@@ -1552,6 +1562,8 @@ u64 grt_latency_data(struct perf_event *event, u64 status);
u64 cmt_latency_data(struct perf_event *event, u64 status);
+u64 lnl_latency_data(struct perf_event *event, u64 status);
+
extern struct event_constraint intel_core2_pebs_event_constraints[];
extern struct event_constraint intel_atom_pebs_event_constraints[];
@@ -1673,6 +1685,8 @@ void intel_pmu_pebs_data_source_mtl(void);
void intel_pmu_pebs_data_source_cmt(void);
+void intel_pmu_pebs_data_source_lnl(void);
+
int intel_pmu_setup_lbr_filter(struct perf_event *event);
void intel_pt_interrupt(void);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-26 09:01:59 +0000