Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

[karo-tx-linux.git] / arch / x86 / kernel / cpu / perf_event_intel.c

diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 3fefebfbdf4bb4f68e5a5bf1647550ad0cd71a75..f63360be22387d4fb4cb30728f1834ee4cbd6228 100644 (file)
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -205,6 +205,11 @@ static struct extra_reg intel_skl_extra_regs[] __read_mostly = {
        INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0),
        INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1),
        INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
+       /*
+        * Note the low 8 bits eventsel code is not a continuous field, containing
+        * some #GPing bits. These are masked out.
+        */
+       INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE),
        EVENT_EXTRA_END
 };
 
@@ -250,7 +255,7 @@ struct event_constraint intel_bdw_event_constraints[] = {
        FIXED_EVENT_CONSTRAINT(0x003c, 1),      /* CPU_CLK_UNHALTED.CORE */
        FIXED_EVENT_CONSTRAINT(0x0300, 2),      /* CPU_CLK_UNHALTED.REF */
        INTEL_UEVENT_CONSTRAINT(0x148, 0x4),    /* L1D_PEND_MISS.PENDING */
-       INTEL_EVENT_CONSTRAINT(0xa3, 0x4),      /* CYCLE_ACTIVITY.* */
+       INTEL_UEVENT_CONSTRAINT(0x8a3, 0x4),    /* CYCLE_ACTIVITY.CYCLES_L1D_MISS */
        EVENT_CONSTRAINT_END
 };
 
@@ -2891,6 +2896,8 @@ PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63");
 
 PMU_FORMAT_ATTR(ldlat, "config1:0-15");
 
+PMU_FORMAT_ATTR(frontend, "config1:0-23");
+
 static struct attribute *intel_arch3_formats_attr[] = {
        &format_attr_event.attr,
        &format_attr_umask.attr,
@@ -2907,6 +2914,11 @@ static struct attribute *intel_arch3_formats_attr[] = {
        NULL,
 };
 
+static struct attribute *skl_format_attr[] = {
+       &format_attr_frontend.attr,
+       NULL,
+};
+
 static __initconst const struct x86_pmu core_pmu = {
        .name                   = "core",
        .handle_irq             = x86_pmu_handle_irq,
@@ -3516,7 +3528,8 @@ __init int intel_pmu_init(void)
 
                x86_pmu.hw_config = hsw_hw_config;
                x86_pmu.get_event_constraints = hsw_get_event_constraints;
-               x86_pmu.cpu_events = hsw_events_attrs;
+               x86_pmu.format_attrs = merge_attr(intel_arch3_formats_attr,
+                                                 skl_format_attr);
                WARN_ON(!x86_pmu.format_attrs);
                x86_pmu.cpu_events = hsw_events_attrs;
                pr_cont("Skylake events, ");