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Diffstat (limited to 'arch/x86/events/rapl.c')
-rw-r--r--arch/x86/events/rapl.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/arch/x86/events/rapl.c b/arch/x86/events/rapl.c
index d3bb3865c1b1..defd86137f12 100644
--- a/arch/x86/events/rapl.c
+++ b/arch/x86/events/rapl.c
@@ -65,6 +65,7 @@
#include <linux/nospec.h>
#include <asm/cpu_device_id.h>
#include <asm/intel-family.h>
+#include <asm/msr.h>
#include "perf_event.h"
#include "probe.h"
@@ -192,7 +193,7 @@ static inline unsigned int get_rapl_pmu_idx(int cpu, int scope)
static inline u64 rapl_read_counter(struct perf_event *event)
{
u64 raw;
- rdmsrl(event->hw.event_base, raw);
+ rdmsrq(event->hw.event_base, raw);
return raw;
}
@@ -221,7 +222,7 @@ static u64 rapl_event_update(struct perf_event *event)
prev_raw_count = local64_read(&hwc->prev_count);
do {
- rdmsrl(event->hw.event_base, new_raw_count);
+ rdmsrq(event->hw.event_base, new_raw_count);
} while (!local64_try_cmpxchg(&hwc->prev_count,
&prev_raw_count, new_raw_count));
@@ -274,8 +275,7 @@ static void rapl_hrtimer_init(struct rapl_pmu *rapl_pmu)
{
struct hrtimer *hr = &rapl_pmu->hrtimer;
- hrtimer_init(hr, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
- hr->function = rapl_hrtimer_handle;
+ hrtimer_setup(hr, rapl_hrtimer_handle, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
}
static void __rapl_pmu_event_start(struct rapl_pmu *rapl_pmu,
@@ -370,6 +370,10 @@ static int rapl_pmu_event_init(struct perf_event *event)
unsigned int rapl_pmu_idx;
struct rapl_pmus *rapl_pmus;
+ /* only look at RAPL events */
+ if (event->attr.type != event->pmu->type)
+ return -ENOENT;
+
/* unsupported modes and filters */
if (event->attr.sample_period) /* no sampling */
return -EINVAL;
@@ -387,10 +391,6 @@ static int rapl_pmu_event_init(struct perf_event *event)
rapl_pmus_scope = rapl_pmus->pmu.scope;
if (rapl_pmus_scope == PERF_PMU_SCOPE_PKG || rapl_pmus_scope == PERF_PMU_SCOPE_DIE) {
- /* only look at RAPL package events */
- if (event->attr.type != rapl_pmus_pkg->pmu.type)
- return -ENOENT;
-
cfg = array_index_nospec((long)cfg, NR_RAPL_PKG_DOMAINS + 1);
if (!cfg || cfg >= NR_RAPL_PKG_DOMAINS + 1)
return -EINVAL;
@@ -398,10 +398,6 @@ static int rapl_pmu_event_init(struct perf_event *event)
bit = cfg - 1;
event->hw.event_base = rapl_model->rapl_pkg_msrs[bit].msr;
} else if (rapl_pmus_scope == PERF_PMU_SCOPE_CORE) {
- /* only look at RAPL core events */
- if (event->attr.type != rapl_pmus_core->pmu.type)
- return -ENOENT;
-
cfg = array_index_nospec((long)cfg, NR_RAPL_CORE_DOMAINS + 1);
if (!cfg || cfg >= NR_RAPL_PKG_DOMAINS + 1)
return -EINVAL;
@@ -615,8 +611,8 @@ static int rapl_check_hw_unit(void)
u64 msr_rapl_power_unit_bits;
int i;
- /* protect rdmsrl() to handle virtualization */
- if (rdmsrl_safe(rapl_model->msr_power_unit, &msr_rapl_power_unit_bits))
+ /* protect rdmsrq() to handle virtualization */
+ if (rdmsrq_safe(rapl_model->msr_power_unit, &msr_rapl_power_unit_bits))
return -1;
for (i = 0; i < NR_RAPL_PKG_DOMAINS; i++)
rapl_pkg_hw_unit[i] = (msr_rapl_power_unit_bits >> 8) & 0x1FULL;
@@ -734,6 +730,7 @@ static int __init init_rapl_pmus(struct rapl_pmus **rapl_pmus_ptr, int rapl_pmu_
{
int nr_rapl_pmu = topology_max_packages();
struct rapl_pmus *rapl_pmus;
+ int ret;
/*
* rapl_pmu_scope must be either PKG, DIE or CORE
@@ -765,7 +762,11 @@ static int __init init_rapl_pmus(struct rapl_pmus **rapl_pmus_ptr, int rapl_pmu_
rapl_pmus->pmu.module = THIS_MODULE;
rapl_pmus->pmu.capabilities = PERF_PMU_CAP_NO_EXCLUDE;
- return init_rapl_pmu(rapl_pmus);
+ ret = init_rapl_pmu(rapl_pmus);
+ if (ret)
+ kfree(rapl_pmus);
+
+ return ret;
}
static struct rapl_model model_snb = {
@@ -883,6 +884,7 @@ static const struct x86_cpu_id rapl_model_match[] __initconst = {
X86_MATCH_VFM(INTEL_METEORLAKE_L, &model_skl),
X86_MATCH_VFM(INTEL_ARROWLAKE_H, &model_skl),
X86_MATCH_VFM(INTEL_ARROWLAKE, &model_skl),
+ X86_MATCH_VFM(INTEL_ARROWLAKE_U, &model_skl),
X86_MATCH_VFM(INTEL_LUNARLAKE_M, &model_skl),
{},
};