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stat_segment.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2018 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef included_stat_segment_h
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#define included_stat_segment_h
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#include <stdatomic.h>
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#include <
vlib/vlib.h
>
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#include <
vppinfra/socket.h
>
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#include <
vpp-api/client/stat_client.h
>
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typedef
enum
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{
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STAT_COUNTER_VECTOR_RATE
= 0,
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STAT_COUNTER_INPUT_RATE
,
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STAT_COUNTER_LAST_UPDATE
,
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STAT_COUNTER_LAST_STATS_CLEAR
,
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STAT_COUNTER_HEARTBEAT
,
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STAT_COUNTER_NODE_CLOCKS
,
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STAT_COUNTER_NODE_VECTORS
,
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STAT_COUNTER_NODE_CALLS
,
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STAT_COUNTER_NODE_SUSPENDS
,
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STAT_COUNTER_INTERFACE_NAMES
,
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STAT_COUNTER_NODE_NAMES
,
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STAT_COUNTERS
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}
stat_segment_counter_t
;
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#define foreach_stat_segment_counter_name \
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_(VECTOR_RATE, SCALAR_INDEX, vector_rate, /sys) \
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_(INPUT_RATE, SCALAR_INDEX, input_rate, /sys) \
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_(LAST_UPDATE, SCALAR_INDEX, last_update, /sys) \
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_(LAST_STATS_CLEAR, SCALAR_INDEX, last_stats_clear, /sys) \
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_(HEARTBEAT, SCALAR_INDEX, heartbeat, /sys) \
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_(NODE_CLOCKS, COUNTER_VECTOR_SIMPLE, clocks, /sys/node) \
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_(NODE_VECTORS, COUNTER_VECTOR_SIMPLE, vectors, /sys/node) \
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_(NODE_CALLS, COUNTER_VECTOR_SIMPLE, calls, /sys/node) \
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_(NODE_SUSPENDS, COUNTER_VECTOR_SIMPLE, suspends, /sys/node) \
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_(INTERFACE_NAMES, NAME_VECTOR, names, /if) \
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_(NODE_NAMES, NAME_VECTOR, names, /sys/node)
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typedef
struct
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{
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stat_directory_type_t
type
;
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union
{
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uint64_t
offset
;
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uint64_t
index
;
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uint64_t
value
;
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};
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uint64_t
offset_vector
;
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char
name
[128];
// TODO change this to pointer to "somewhere"
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}
stat_segment_directory_entry_t
;
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/* Default stat segment 32m */
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#define STAT_SEGMENT_DEFAULT_SIZE (32<<20)
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/*
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* Shared header first in the shared memory segment.
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*/
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typedef
struct
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{
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atomic_int_fast64_t
epoch
;
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atomic_int_fast64_t
in_progress
;
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atomic_int_fast64_t
directory_offset
;
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atomic_int_fast64_t
error_offset
;
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atomic_int_fast64_t
stats_offset
;
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}
stat_segment_shared_header_t
;
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static
inline
uint64_t
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stat_segment_offset
(
void
*start,
void
*
data
)
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{
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return
(
char
*) data - (
char
*) start;
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}
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static
inline
void
*
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stat_segment_pointer
(
void
*start, uint64_t
offset
)
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{
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return
((
char
*) start + offset);
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}
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typedef
void (*
stat_segment_update_fn
)(
stat_segment_directory_entry_t
* e,
u32
i
);
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typedef
struct
{
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u32
directory_index
;
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stat_segment_update_fn
fn
;
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u32
caller_index
;
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}
stat_segment_gauges_pool_t
;
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typedef
struct
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{
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/* internal, does not point to shared memory */
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stat_segment_gauges_pool_t
*
gauges
;
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/* statistics segment */
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uword
*
directory_vector_by_name
;
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stat_segment_directory_entry_t
*
directory_vector
;
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u8
**
interfaces
;
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u8
**
nodes
;
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clib_spinlock_t
*
stat_segment_lockp
;
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clib_socket_t
*
socket
;
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u8
*
socket_name
;
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ssize_t
memory_size
;
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u8
node_counters_enabled
;
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void
*
last
;
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void
*
heap
;
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stat_segment_shared_header_t
*
shared_header
;
/* pointer to shared memory segment */
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int
memfd
;
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u64
last_input_packets
;
// OLE REMOVE?
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}
stat_segment_main_t
;
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extern
stat_segment_main_t
stat_segment_main
;
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clib_error_t
*
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stat_segment_register_gauge
(
u8
*names,
stat_segment_update_fn
update_fn,
u32
index);
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#endif
stat_segment_main_t::heap
void * heap
Definition:
stat_segment.h:117
stat_segment_directory_entry_t
Definition:
stat_segment.h:53
stat_segment_main
stat_segment_main_t stat_segment_main
Definition:
stat_segment.c:25
stat_segment_main_t::gauges
stat_segment_gauges_pool_t * gauges
Definition:
stat_segment.h:103
stat_segment_main_t::shared_header
stat_segment_shared_header_t * shared_header
Definition:
stat_segment.h:118
stat_client.h
stat_segment_directory_entry_t::index
uint64_t index
Definition:
stat_segment.h:58
stat_segment_main_t::directory_vector
stat_segment_directory_entry_t * directory_vector
Definition:
stat_segment.h:107
u64
unsigned long u64
Definition:
types.h:89
STAT_COUNTER_VECTOR_RATE
Definition:
stat_segment.h:26
stat_segment_offset
static uint64_t stat_segment_offset(void *start, void *data)
Definition:
stat_segment.h:81
stat_segment_register_gauge
clib_error_t * stat_segment_register_gauge(u8 *names, stat_segment_update_fn update_fn, u32 index)
Definition:
stat_segment.c:661
i
int i
Definition:
flowhash_template.h:376
data
u8 data[128]
Definition:
ipsec.api:248
stat_segment_main_t::last
void * last
Definition:
stat_segment.h:116
stat_segment_main_t::memory_size
ssize_t memory_size
Definition:
stat_segment.h:114
u8
unsigned char u8
Definition:
types.h:56
stat_segment_update_fn
void(* stat_segment_update_fn)(stat_segment_directory_entry_t *e, u32 i)
Definition:
stat_segment.h:92
stat_segment_shared_header_t::in_progress
atomic_int_fast64_t in_progress
Definition:
stat_segment.h:74
STAT_COUNTER_NODE_CLOCKS
Definition:
stat_segment.h:31
stat_segment_directory_entry_t::value
uint64_t value
Definition:
stat_segment.h:59
STAT_COUNTER_INTERFACE_NAMES
Definition:
stat_segment.h:35
stat_segment_gauges_pool_t::fn
stat_segment_update_fn fn
Definition:
stat_segment.h:96
u32
unsigned int u32
Definition:
types.h:88
STAT_COUNTER_NODE_NAMES
Definition:
stat_segment.h:36
STAT_COUNTER_INPUT_RATE
Definition:
stat_segment.h:27
stat_segment_main_t::node_counters_enabled
u8 node_counters_enabled
Definition:
stat_segment.h:115
stat_segment_pointer
static void * stat_segment_pointer(void *start, uint64_t offset)
Definition:
stat_segment.h:87
stat_segment_directory_entry_t::offset
uint64_t offset
Definition:
stat_segment.h:57
STAT_COUNTER_HEARTBEAT
Definition:
stat_segment.h:30
stat_segment_counter_t
stat_segment_counter_t
Definition:
stat_segment.h:24
stat_segment_main_t::memfd
int memfd
Definition:
stat_segment.h:119
stat_segment_gauges_pool_t::caller_index
u32 caller_index
Definition:
stat_segment.h:97
name
u8 name[64]
Definition:
memclnt.api:152
STAT_COUNTER_LAST_UPDATE
Definition:
stat_segment.h:28
STAT_COUNTER_NODE_VECTORS
Definition:
stat_segment.h:32
stat_segment_gauges_pool_t
Definition:
stat_segment.h:94
stat_segment_main_t::last_input_packets
u64 last_input_packets
Definition:
stat_segment.h:121
stat_directory_type_t
stat_directory_type_t
Definition:
stat_client.h:27
vlib.h
stat_segment_directory_entry_t::offset_vector
uint64_t offset_vector
Definition:
stat_segment.h:61
clib_spinlock_t
Definition:
lock.h:45
socket.h
stat_segment_main_t
Definition:
stat_segment.h:100
clib_socket_t
struct _socket_t clib_socket_t
stat_segment_gauges_pool_t::directory_index
u32 directory_index
Definition:
stat_segment.h:95
stat_segment_shared_header_t::epoch
atomic_int_fast64_t epoch
Definition:
stat_segment.h:73
stat_segment_main_t::nodes
u8 ** nodes
Definition:
stat_segment.h:109
STAT_COUNTER_NODE_SUSPENDS
Definition:
stat_segment.h:34
clib_error_t
Definition:
clib_error.h:21
STAT_COUNTER_NODE_CALLS
Definition:
stat_segment.h:33
clib_bihash_value
template key/value backing page structure
Definition:
bihash_doc.h:44
stat_segment_shared_header_t
Definition:
stat_segment.h:71
stat_segment_main_t::directory_vector_by_name
uword * directory_vector_by_name
Definition:
stat_segment.h:106
uword
u64 uword
Definition:
types.h:112
stat_segment_main_t::socket_name
u8 * socket_name
Definition:
stat_segment.h:113
stat_segment_main_t::socket
clib_socket_t * socket
Definition:
stat_segment.h:112
stat_segment_shared_header_t::stats_offset
atomic_int_fast64_t stats_offset
Definition:
stat_segment.h:77
STAT_COUNTERS
Definition:
stat_segment.h:37
stat_segment_shared_header_t::error_offset
atomic_int_fast64_t error_offset
Definition:
stat_segment.h:76
STAT_COUNTER_LAST_STATS_CLEAR
Definition:
stat_segment.h:29
stat_segment_main_t::stat_segment_lockp
clib_spinlock_t * stat_segment_lockp
Definition:
stat_segment.h:111
stat_segment_shared_header_t::directory_offset
atomic_int_fast64_t directory_offset
Definition:
stat_segment.h:75
stat_segment_main_t::interfaces
u8 ** interfaces
Definition:
stat_segment.h:108
stat_segment_directory_entry_t::type
stat_directory_type_t type
Definition:
stat_segment.h:55
src
vpp
stats
stat_segment.h
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