perf_event.c File Reference

#include <linux/perf_event.h>
#include <linux/capability.h>
#include <linux/notifier.h>
#include <linux/hardirq.h>
#include <linux/kprobes.h>
#include <linux/module.h>
#include <linux/kdebug.h>
#include <linux/sched.h>
#include <linux/uaccess.h>
#include <linux/slab.h>
#include <linux/cpu.h>
#include <linux/bitops.h>
#include <linux/device.h>
#include <asm/apic.h>
#include <asm/stacktrace.h>
#include <asm/nmi.h>
#include <asm/smp.h>
#include <asm/alternative.h>
#include <asm/timer.h>
#include <asm/desc.h>
#include <asm/ldt.h>
#include "perf_event.h"

Go to the source code of this file.

Data Structures
struct	sched_state
struct	perf_sched

Macros
#define	SCHED_STATES_MAX   2

Functions
	DEFINE_PER_CPU (struct cpu_hw_events, cpu_hw_events)
u64	x86_perf_event_update (struct perf_event *event)
int	x86_setup_perfctr (struct perf_event *event)
int	x86_pmu_hw_config (struct perf_event *event)
void	x86_pmu_disable_all (void)
void	x86_pmu_enable_all (int added)
int	perf_assign_events (struct event_constraint **constraints, int n, int wmin, int wmax, int *assign)
int	x86_schedule_events (struct cpu_hw_events *cpuc, int n, int *assign)
int	x86_perf_event_set_period (struct perf_event *event)
void	x86_pmu_enable_event (struct perf_event *event)
void	perf_event_print_debug (void)
void	x86_pmu_stop (struct perf_event *event, int flags)
int	x86_pmu_handle_irq (struct pt_regs *regs)
void	perf_events_lapic_init (void)
	early_initcall (init_hw_perf_events)
void	perf_check_microcode (void)
	EXPORT_SYMBOL_GPL (perf_check_microcode)
void	arch_perf_update_userpage (struct perf_event_mmap_page *userpg, u64 now)
void	perf_callchain_kernel (struct perf_callchain_entry *entry, struct pt_regs *regs)
void	perf_callchain_user (struct perf_callchain_entry *entry, struct pt_regs *regs)
unsigned long	perf_instruction_pointer (struct pt_regs *regs)
unsigned long	perf_misc_flags (struct pt_regs *regs)
void	perf_get_x86_pmu_capability (struct x86_pmu_capability *cap)
	EXPORT_SYMBOL_GPL (perf_get_x86_pmu_capability)

Variables
struct x86_pmu x86_pmu	__read_mostly
u64 __read_mostly	hw_cache_event_ids [PERF_COUNT_HW_CACHE_MAX][PERF_COUNT_HW_CACHE_OP_MAX][PERF_COUNT_HW_CACHE_RESULT_MAX]
u64 __read_mostly	hw_cache_extra_regs [PERF_COUNT_HW_CACHE_MAX][PERF_COUNT_HW_CACHE_OP_MAX][PERF_COUNT_HW_CACHE_RESULT_MAX]
struct event_constraint	emptyconstraint
struct event_constraint	unconstrained

Macro Definition Documentation

#define SCHED_STATES_MAX   2

Definition at line 566 of file perf_event.c.

Function Documentation

void arch_perf_update_userpage	(	struct perf_event_mmap_page *	userpg,
		u64	now
	)

Definition at line 1692 of file perf_event.c.

DEFINE_PER_CPU	(	struct cpu_hw_events	,
		cpu_hw_events
	)

early_initcall

(

init_hw_perf_events

)

EXPORT_SYMBOL_GPL

(

perf_check_microcode

)

EXPORT_SYMBOL_GPL

(

perf_get_x86_pmu_capability

)

int perf_assign_events	(	struct event_constraint **	constraints,
		int	n,
		int	wmin,
		int	wmax,
		int *	assign
	)

Definition at line 708 of file perf_event.c.

void perf_callchain_kernel	(	struct perf_callchain_entry *	entry,
		struct pt_regs *	regs
	)

Definition at line 1733 of file perf_event.c.

void perf_callchain_user	(	struct perf_callchain_entry *	entry,
		struct pt_regs *	regs
	)

Definition at line 1819 of file perf_event.c.

void perf_check_microcode

(

void

)

Definition at line 1663 of file perf_event.c.

void perf_event_print_debug

(

void

)

Definition at line 1074 of file perf_event.c.

void perf_events_lapic_init

(

void

)

Definition at line 1238 of file perf_event.c.

void perf_get_x86_pmu_capability

(

struct x86_pmu_capability *

cap

)

Definition at line 1930 of file perf_event.c.

unsigned long perf_instruction_pointer

(

struct pt_regs *

regs

)

Definition at line 1900 of file perf_event.c.

unsigned long perf_misc_flags

(

struct pt_regs *

regs

)

Definition at line 1908 of file perf_event.c.

int x86_perf_event_set_period

(

struct perf_event *

event

)

Definition at line 929 of file perf_event.c.

u64 x86_perf_event_update

(

struct perf_event *

event

)

Definition at line 60 of file perf_event.c.

void x86_pmu_disable_all

(

void

)

Definition at line 493 of file perf_event.c.

void x86_pmu_enable_all

(

int

added

)

Definition at line 528 of file perf_event.c.

void x86_pmu_enable_event

(

struct perf_event *

event

)

Definition at line 989 of file perf_event.c.

int x86_pmu_handle_irq

(

struct pt_regs *

regs

)

Definition at line 1181 of file perf_event.c.

int x86_pmu_hw_config

(

struct perf_event *

event

)

Definition at line 383 of file perf_event.c.

void x86_pmu_stop	(	struct perf_event *	event,
		int	flags
	)

Definition at line 1128 of file perf_event.c.

int x86_schedule_events	(	struct cpu_hw_events *	cpuc,
		int	n,
		int *	assign
	)

Definition at line 725 of file perf_event.c.

int x86_setup_perfctr

(

struct perf_event *

event

)

Definition at line 290 of file perf_event.c.

Variable Documentation

struct x86_pmu x86_pmu __read_mostly

Definition at line 40 of file perf_event.c.

struct event_constraint emptyconstraint

Definition at line 1258 of file perf_event.c.

u64 __read_mostly hw_cache_event_ids[PERF_COUNT_HW_CACHE_MAX][PERF_COUNT_HW_CACHE_OP_MAX][PERF_COUNT_HW_CACHE_RESULT_MAX]

Definition at line 49 of file perf_event.c.

u64 __read_mostly hw_cache_extra_regs[PERF_COUNT_HW_CACHE_MAX][PERF_COUNT_HW_CACHE_OP_MAX][PERF_COUNT_HW_CACHE_RESULT_MAX]

Definition at line 53 of file perf_event.c.

struct event_constraint unconstrained

Definition at line 1259 of file perf_event.c.