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perfmon.h
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/*
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* perfmon.h - performance monitor
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*
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* Copyright (c) 2018 Cisco Systems 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_perfmon_h__
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#define __included_perfmon_h__
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#include <
vnet/vnet.h
>
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#include <
vnet/ip/ip.h
>
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#include <
vnet/ethernet/ethernet.h
>
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#include <
vlib/log.h
>
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#include <
vppinfra/hash.h
>
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#include <
vppinfra/error.h
>
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#include <linux/perf_event.h>
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#define foreach_perfmon_event \
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_(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES, "cpu-cycles") \
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_(PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS, "instructions") \
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_(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES, \
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"cache-references") \
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_(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES, "cache-misses") \
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_(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS, "branches") \
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_(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES, "branch-misses") \
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_(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES, "bus-cycles") \
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_(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND, \
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"stall-frontend") \
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_(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND, \
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"stall-backend") \
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_(PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES, "ref-cpu-cycles") \
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_(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS, "page-faults") \
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_(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES, "context-switches") \
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_(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS, "cpu-migrations") \
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_(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN, "minor-pagefaults") \
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_(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ, "major-pagefaults") \
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_(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS, "emulation-faults")
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typedef
struct
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{
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char
*
name
;
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int
pe_type
;
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int
pe_config
;
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}
perfmon_event_config_t
;
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typedef
enum
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{
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PERFMON_STATE_OFF
= 0,
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PERFMON_STATE_RUNNING
,
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}
perfmon_state_t
;
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typedef
struct
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{
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u8
*
thread_and_node_name
;
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u8
**
counter_names
;
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u64
*
counter_values
;
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u64
*
vectors_this_counter
;
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}
perfmon_capture_t
;
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typedef
struct
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{
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u32
cpuid
;
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const
char
**
table
;
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}
perfmon_cpuid_and_table_t
;
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typedef
struct
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{
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u8
*
name
;
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u8
*
value
;
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}
name_value_pair_t
;
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typedef
struct
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{
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/* API message ID base */
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u16
msg_id_base
;
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/* on/off switch for the periodic function */
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volatile
u8
state
;
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/* capture pool, hash table */
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perfmon_capture_t
*
capture_pool
;
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uword
*
capture_by_thread_and_node_name
;
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/* CPU-specific event tables, hash table of selected table (if any) */
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perfmon_cpuid_and_table_t
*
perfmon_tables
;
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uword
*
perfmon_table
;
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/* vector of events to collect */
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perfmon_event_config_t
*
events_to_collect
;
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/* Base indices of synthetic event tuples */
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u32
ipc_event_index
;
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u32
mispredict_event_index
;
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/* Length of time to capture a single event */
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f64
timeout_interval
;
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/* Current event (index) being collected */
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u32
current_event
;
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u32
*
rdpmc_indices
;
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/* mmap base / size of (mapped) struct perf_event_mmap_page */
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u8
**
perf_event_pages
;
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u32
page_size
;
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/* Current perf_event file descriptors, per thread */
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int
*
pm_fds
;
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/* Logging */
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vlib_log_class_t
log_class
;
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/* convenience */
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vlib_main_t
*
vlib_main
;
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vnet_main_t
*
vnet_main
;
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ethernet_main_t
*
ethernet_main
;
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}
perfmon_main_t
;
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extern
perfmon_main_t
perfmon_main
;
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extern
vlib_node_registration_t
perfmon_periodic_node
;
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uword
*
perfmon_parse_table
(
perfmon_main_t
* pm,
char
*path,
char
*filename);
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/* Periodic function events */
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#define PERFMON_START 1
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#endif
/* __included_perfmon_h__ */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
perfmon_main_t::capture_pool
perfmon_capture_t * capture_pool
Definition:
perfmon.h:93
perfmon_main_t::state
volatile u8 state
Definition:
perfmon.h:90
perfmon_main_t::current_event
u32 current_event
Definition:
perfmon.h:111
perfmon_main_t::timeout_interval
f64 timeout_interval
Definition:
perfmon.h:108
perfmon_event_config_t::pe_config
int pe_config
Definition:
perfmon.h:55
vlib_log_class_t
u32 vlib_log_class_t
Definition:
log.h:21
perfmon_cpuid_and_table_t::cpuid
u32 cpuid
Definition:
perfmon.h:74
perfmon_capture_t::vectors_this_counter
u64 * vectors_this_counter
Definition:
perfmon.h:69
perfmon_main_t::ethernet_main
ethernet_main_t * ethernet_main
Definition:
perfmon.h:126
perfmon_main_t::events_to_collect
perfmon_event_config_t * events_to_collect
Definition:
perfmon.h:101
u64
unsigned long u64
Definition:
types.h:89
perfmon_event_config_t
Definition:
perfmon.h:51
PERFMON_STATE_OFF
Definition:
perfmon.h:60
perfmon_periodic_node
vlib_node_registration_t perfmon_periodic_node
(constructor) VLIB_REGISTER_NODE (perfmon_periodic_node)
Definition:
perfmon_periodic.c:419
perfmon_main_t::mispredict_event_index
u32 mispredict_event_index
Definition:
perfmon.h:105
perfmon_main_t::vlib_main
vlib_main_t * vlib_main
Definition:
perfmon.h:124
perfmon_main_t::msg_id_base
u16 msg_id_base
Definition:
perfmon.h:87
name_value_pair_t
Definition:
perfmon.h:78
perfmon_main_t::rdpmc_indices
u32 * rdpmc_indices
Definition:
perfmon.h:112
ip.h
perfmon_parse_table
uword * perfmon_parse_table(perfmon_main_t *pm, char *path, char *filename)
Definition:
parse_util.c:46
u8
unsigned char u8
Definition:
types.h:56
hash.h
f64
double f64
Definition:
types.h:142
perfmon_main_t::perfmon_table
uword * perfmon_table
Definition:
perfmon.h:98
perfmon_main
perfmon_main_t perfmon_main
Definition:
perfmon.c:27
name_value_pair_t::value
u8 * value
Definition:
perfmon.h:81
perfmon_capture_t::thread_and_node_name
u8 * thread_and_node_name
Definition:
perfmon.h:66
ethernet_main_t
Definition:
ethernet.h:290
u32
unsigned int u32
Definition:
types.h:88
perfmon_event_config_t::pe_type
int pe_type
Definition:
perfmon.h:54
perfmon_capture_t
Definition:
perfmon.h:64
perfmon_main_t::vnet_main
vnet_main_t * vnet_main
Definition:
perfmon.h:125
ethernet.h
perfmon_capture_t::counter_names
u8 ** counter_names
Definition:
perfmon.h:67
name_value_pair_t::name
u8 * name
Definition:
perfmon.h:80
perfmon_event_config_t::name
char * name
Definition:
perfmon.h:53
u16
unsigned short u16
Definition:
types.h:57
perfmon_cpuid_and_table_t
Definition:
perfmon.h:72
perfmon_cpuid_and_table_t::table
const char ** table
Definition:
perfmon.h:75
perfmon_state_t
perfmon_state_t
Definition:
perfmon.h:58
perfmon_main_t::log_class
vlib_log_class_t log_class
Definition:
perfmon.h:121
vnet.h
perfmon_main_t::pm_fds
int * pm_fds
Definition:
perfmon.h:118
perfmon_main_t::perf_event_pages
u8 ** perf_event_pages
Definition:
perfmon.h:114
perfmon_main_t::perfmon_tables
perfmon_cpuid_and_table_t * perfmon_tables
Definition:
perfmon.h:97
vnet_main_t
Definition:
vnet.h:51
perfmon_main_t::ipc_event_index
u32 ipc_event_index
Definition:
perfmon.h:104
perfmon_main_t::capture_by_thread_and_node_name
uword * capture_by_thread_and_node_name
Definition:
perfmon.h:94
vlib_node_registration_t
struct _vlib_node_registration vlib_node_registration_t
PERFMON_STATE_RUNNING
Definition:
perfmon.h:61
perfmon_capture_t::counter_values
u64 * counter_values
Definition:
perfmon.h:68
vlib_main_t
Definition:
main.h:61
uword
u64 uword
Definition:
types.h:112
perfmon_main_t::page_size
u32 page_size
Definition:
perfmon.h:115
error.h
perfmon_main_t
Definition:
perfmon.h:84
log.h
src
plugins
perfmon
perfmon.h
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