linux/arch/x86/events/intel/knc.c

// SPDX-License-Identifier: GPL-2.0
/* Driver for Intel Xeon Phi "Knights Corner" PMU */

#include <linux/perf_event.h>
#include <linux/types.h>

#include <asm/hardirq.h>

#include "../perf_event.h"

static const u64 knc_perfmon_event_map[] = …;

static const u64 __initconst knc_hw_cache_event_ids
				[PERF_COUNT_HW_CACHE_MAX]
				[PERF_COUNT_HW_CACHE_OP_MAX]
				[PERF_COUNT_HW_CACHE_RESULT_MAX] = …;


static u64 knc_pmu_event_map(int hw_event)
{ … }

static struct event_constraint knc_event_constraints[] = …;

#define MSR_KNC_IA32_PERF_GLOBAL_STATUS …
#define MSR_KNC_IA32_PERF_GLOBAL_OVF_CONTROL …
#define MSR_KNC_IA32_PERF_GLOBAL_CTRL …

#define KNC_ENABLE_COUNTER0 …
#define KNC_ENABLE_COUNTER1 …

static void knc_pmu_disable_all(void)
{ … }

static void knc_pmu_enable_all(int added)
{ … }

static inline void
knc_pmu_disable_event(struct perf_event *event)
{ … }

static void knc_pmu_enable_event(struct perf_event *event)
{ … }

static inline u64 knc_pmu_get_status(void)
{ … }

static inline void knc_pmu_ack_status(u64 ack)
{ … }

static int knc_pmu_handle_irq(struct pt_regs *regs)
{ … }


PMU_FORMAT_ATTR(…);
PMU_FORMAT_ATTR(…);
PMU_FORMAT_ATTR(…);
PMU_FORMAT_ATTR(…);
PMU_FORMAT_ATTR(…);

static struct attribute *intel_knc_formats_attr[] = …;

static const struct x86_pmu knc_pmu __initconst = …;

__init int knc_pmu_init(void)
{ … }