core.sys.linux.perf_event

Members

Enums

PERF_BR_UNKNOWN

anonymousenum PERF_BR_UNKNOWN

Common flow change classification

PERF_TXN_ELISION

anonymousenum PERF_TXN_ELISION

Values for the memory transaction event qualifier, mostly for abort events. Multiple bits can be set.

perf_branch_sample_type

enum perf_branch_sample_type

perf_branch_sample_type_shift

enum perf_branch_sample_type_shift

values to program into branch_sample_type when PERF_SAMPLE_BRANCH is set

perf_callchain_context

enum perf_callchain_context

perf_event_ioc_flags

enum perf_event_ioc_flags

perf_event_read_format

enum perf_event_read_format

The format of the data returned by read() on a perf event fd, as specified by attr.read_format:

perf_event_sample_format

enum perf_event_sample_format

Bits that can be set in attr.sample_type to request information in the overflow packets.

perf_event_type

enum perf_event_type

perf_hw_cache_id

enum perf_hw_cache_id

Generalized hardware cache events:

perf_hw_cache_op_id

enum perf_hw_cache_op_id

perf_hw_cache_op_result_id

enum perf_hw_cache_op_result_id

perf_hw_id

enum perf_hw_id

Generalized performance event event_id types, used by the attr.event_id parameter of the sys_perf_event_open() syscall:

perf_sample_regs_abi

enum perf_sample_regs_abi

Values to determine ABI of the registers dump.

perf_sw_ids

enum perf_sw_ids

Special "software" events provided by the kernel, even if the hardware does not support performance events. These events measure various physical and sw events of the kernel (and allow the profiling of them as well):

perf_type_id

enum perf_type_id

attr.type

Functions

perf_flags

auto perf_flags(T attr)

Manifest constants

PERF_ATTR_SIZE_VER0

enum PERF_ATTR_SIZE_VER0;

sizeof first published struct

PERF_ATTR_SIZE_VER1

enum PERF_ATTR_SIZE_VER1;

add: config2

PERF_ATTR_SIZE_VER2

enum PERF_ATTR_SIZE_VER2;

add: branch_sample_type

PERF_ATTR_SIZE_VER3

enum PERF_ATTR_SIZE_VER3;

add: sample_regs_user

PERF_ATTR_SIZE_VER4

enum PERF_ATTR_SIZE_VER4;

add: sample_regs_intr

PERF_ATTR_SIZE_VER5

enum PERF_ATTR_SIZE_VER5;

add: aux_watermark

PERF_AUX_FLAG_COLLISION

enum PERF_AUX_FLAG_COLLISION;

sample collided with another

PERF_AUX_FLAG_OVERWRITE

enum PERF_AUX_FLAG_OVERWRITE;

snapshot from overwrite mode

PERF_AUX_FLAG_PARTIAL

enum PERF_AUX_FLAG_PARTIAL;

record contains gaps

PERF_AUX_FLAG_TRUNCATED

enum PERF_AUX_FLAG_TRUNCATED;

* PERF_RECORD_AUX::flags bits *//** record was truncated to fit

PERF_EVENT_IOC_DISABLE

enum PERF_EVENT_IOC_DISABLE;

PERF_EVENT_IOC_ENABLE

enum PERF_EVENT_IOC_ENABLE;

Ioctls that can be done on a perf event fd:

PERF_EVENT_IOC_ID

enum PERF_EVENT_IOC_ID;

PERF_EVENT_IOC_PAUSE_OUTPUT

enum PERF_EVENT_IOC_PAUSE_OUTPUT;

PERF_EVENT_IOC_PERIOD

enum PERF_EVENT_IOC_PERIOD;

PERF_EVENT_IOC_REFRESH

enum PERF_EVENT_IOC_REFRESH;

PERF_EVENT_IOC_RESET

enum PERF_EVENT_IOC_RESET;

PERF_EVENT_IOC_SET_BPF

enum PERF_EVENT_IOC_SET_BPF;

PERF_EVENT_IOC_SET_FILTER

enum PERF_EVENT_IOC_SET_FILTER;

PERF_EVENT_IOC_SET_OUTPUT

enum PERF_EVENT_IOC_SET_OUTPUT;

PERF_FLAG_FD_CLOEXEC

enum PERF_FLAG_FD_CLOEXEC;

O_CLOEXEC

PERF_FLAG_FD_NO_GROUP

enum PERF_FLAG_FD_NO_GROUP;

PERF_FLAG_FD_OUTPUT

enum PERF_FLAG_FD_OUTPUT;

PERF_FLAG_PID_CGROUP

enum PERF_FLAG_PID_CGROUP;

pid=cgroup id, per-cpu mode only

PERF_MAX_CONTEXTS_PER_STACK

enum PERF_MAX_CONTEXTS_PER_STACK;

PERF_MAX_STACK_DEPTH

enum PERF_MAX_STACK_DEPTH;

PERF_MEM_LOCK_LOCKED

enum PERF_MEM_LOCK_LOCKED;

locked transaction

PERF_MEM_LOCK_NA

enum PERF_MEM_LOCK_NA;

locked instruction *//** not available

PERF_MEM_LOCK_SHIFT

enum PERF_MEM_LOCK_SHIFT;

PERF_MEM_LVLNUM_ANY_CACHE

enum PERF_MEM_LVLNUM_ANY_CACHE;

Any cache

PERF_MEM_LVLNUM_L1

enum PERF_MEM_LVLNUM_L1;

L1

PERF_MEM_LVLNUM_L2

enum PERF_MEM_LVLNUM_L2;

L2

PERF_MEM_LVLNUM_L3

enum PERF_MEM_LVLNUM_L3;

L3

PERF_MEM_LVLNUM_L4

enum PERF_MEM_LVLNUM_L4;

L4

PERF_MEM_LVLNUM_LFB

enum PERF_MEM_LVLNUM_LFB;

LFB

PERF_MEM_LVLNUM_NA

enum PERF_MEM_LVLNUM_NA;

N/A

PERF_MEM_LVLNUM_PMEM

enum PERF_MEM_LVLNUM_PMEM;

PMEM

PERF_MEM_LVLNUM_RAM

enum PERF_MEM_LVLNUM_RAM;

RAM

PERF_MEM_LVLNUM_SHIFT

enum PERF_MEM_LVLNUM_SHIFT;

PERF_MEM_LVL_HIT

enum PERF_MEM_LVL_HIT;

hit level

PERF_MEM_LVL_IO

enum PERF_MEM_LVL_IO;

I/O memory

PERF_MEM_LVL_L1

enum PERF_MEM_LVL_L1;

L1

PERF_MEM_LVL_L2

enum PERF_MEM_LVL_L2;

L2

PERF_MEM_LVL_L3

enum PERF_MEM_LVL_L3;

L3

PERF_MEM_LVL_LFB

enum PERF_MEM_LVL_LFB;

Line Fill Buffer

PERF_MEM_LVL_LOC_RAM

enum PERF_MEM_LVL_LOC_RAM;

Local DRAM

PERF_MEM_LVL_MISS

enum PERF_MEM_LVL_MISS;

miss level

PERF_MEM_LVL_NA

enum PERF_MEM_LVL_NA;

not available

PERF_MEM_LVL_REM_CCE1

enum PERF_MEM_LVL_REM_CCE1;

Remote Cache (1 hop)

PERF_MEM_LVL_REM_CCE2

enum PERF_MEM_LVL_REM_CCE2;

Remote Cache (2 hops)

PERF_MEM_LVL_REM_RAM1

enum PERF_MEM_LVL_REM_RAM1;

Remote DRAM (1 hop)

PERF_MEM_LVL_REM_RAM2

enum PERF_MEM_LVL_REM_RAM2;

Remote DRAM (2 hops)

PERF_MEM_LVL_SHIFT

enum PERF_MEM_LVL_SHIFT;

PERF_MEM_LVL_UNC

enum PERF_MEM_LVL_UNC;

Uncached memory

PERF_MEM_OP_EXEC

enum PERF_MEM_OP_EXEC;

code (execution)

PERF_MEM_OP_LOAD

enum PERF_MEM_OP_LOAD;

load instruction

PERF_MEM_OP_NA

enum PERF_MEM_OP_NA;

type of opcode (load/store/prefetch,code) *//** not available

PERF_MEM_OP_PFETCH

enum PERF_MEM_OP_PFETCH;

prefetch

PERF_MEM_OP_STORE

enum PERF_MEM_OP_STORE;

store instruction

PERF_MEM_REMOTE_REMOTE

enum PERF_MEM_REMOTE_REMOTE;

Remote

PERF_MEM_REMOTE_SHIFT

enum PERF_MEM_REMOTE_SHIFT;

PERF_MEM_SNOOPX_FWD

enum PERF_MEM_SNOOPX_FWD;

forward

PERF_MEM_SNOOPX_SHIFT

enum PERF_MEM_SNOOPX_SHIFT;

1 free

PERF_MEM_SNOOP_HIT

enum PERF_MEM_SNOOP_HIT;

snoop hit

PERF_MEM_SNOOP_HITM

enum PERF_MEM_SNOOP_HITM;

snoop hit modified

PERF_MEM_SNOOP_MISS

enum PERF_MEM_SNOOP_MISS;

snoop miss

PERF_MEM_SNOOP_NA

enum PERF_MEM_SNOOP_NA;

not available

PERF_MEM_SNOOP_NONE

enum PERF_MEM_SNOOP_NONE;

no snoop

PERF_MEM_SNOOP_SHIFT

enum PERF_MEM_SNOOP_SHIFT;

PERF_MEM_TLB_HIT

enum PERF_MEM_TLB_HIT;

hit level

PERF_MEM_TLB_L1

enum PERF_MEM_TLB_L1;

L1

PERF_MEM_TLB_L2

enum PERF_MEM_TLB_L2;

L2

PERF_MEM_TLB_MISS

enum PERF_MEM_TLB_MISS;

miss level

PERF_MEM_TLB_NA

enum PERF_MEM_TLB_NA;

not available

PERF_MEM_TLB_OS

enum PERF_MEM_TLB_OS;

OS fault handler

PERF_MEM_TLB_SHIFT

enum PERF_MEM_TLB_SHIFT;

PERF_MEM_TLB_WK

enum PERF_MEM_TLB_WK;

Hardware Walker

PERF_RECORD_MISC_COMM_EXEC

enum PERF_RECORD_MISC_COMM_EXEC;

PERF_RECORD_MISC_CPUMODE_MASK

enum PERF_RECORD_MISC_CPUMODE_MASK;

PERF_RECORD_MISC_CPUMODE_UNKNOWN

enum PERF_RECORD_MISC_CPUMODE_UNKNOWN;

PERF_RECORD_MISC_EXACT_IP

enum PERF_RECORD_MISC_EXACT_IP;

Indicates that the content of PERF_SAMPLE_IP points to the actual instruction that triggered the event. See also

PERF_RECORD_MISC_EXT_RESERVED

enum PERF_RECORD_MISC_EXT_RESERVED;

Reserve the last bit to indicate some extended misc field

PERF_RECORD_MISC_GUEST_KERNEL

enum PERF_RECORD_MISC_GUEST_KERNEL;

PERF_RECORD_MISC_GUEST_USER

enum PERF_RECORD_MISC_GUEST_USER;

PERF_RECORD_MISC_HYPERVISOR

enum PERF_RECORD_MISC_HYPERVISOR;

PERF_RECORD_MISC_KERNEL

enum PERF_RECORD_MISC_KERNEL;

PERF_RECORD_MISC_MMAP_DATA

enum PERF_RECORD_MISC_MMAP_DATA;

PERF_RECORD_MISC_MMAP_DATA and PERF_RECORD_MISC_COMM_EXEC are used on different events so can reuse the same bit position. Ditto PERF_RECORD_MISC_SWITCH_OUT.

PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT

enum PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT;

Indicates that /proc/PID/maps parsing are truncated by time out.

PERF_RECORD_MISC_SWITCH_OUT

enum PERF_RECORD_MISC_SWITCH_OUT;

PERF_RECORD_MISC_USER

enum PERF_RECORD_MISC_USER;

PERF_SAMPLE_BRANCH_PLM_ALL

enum PERF_SAMPLE_BRANCH_PLM_ALL;

Structs

perf_branch_entry

struct perf_branch_entry

single taken branch record layout:

perf_event_attr

struct perf_event_attr

Hardware event_id to monitor via a performance monitoring event:

perf_event_header

struct perf_event_header

perf_event_mmap_page

struct perf_event_mmap_page

Structure of the page that can be mapped via mmap

perf_ns_link_info

struct perf_ns_link_info

Unions

perf_mem_data_src

union perf_mem_data_src

perf_mem_data_src

union perf_mem_data_src

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