/* * perfmon.h - performance monitor * * Copyright (c) 2018 Cisco Systems and/or its affiliates * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef __included_perfmon_h__ #define __included_perfmon_h__ #include <vnet/vnet.h> #include <vnet/ip/ip.h> #include <vnet/ethernet/ethernet.h> #include <vlib/log.h> #include <vppinfra/hash.h> #include <vppinfra/error.h> #include <linux/perf_event.h> #include <perfmon/perfmon_intel.h> #define foreach_perfmon_event \ _(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES, "cpu-cycles") \ _(PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS, "instructions") \ _(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES, \ "cache-references") \ _(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES, "cache-misses") \ _(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS, "branches") \ _(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES, "branch-misses") \ _(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES, "bus-cycles") \ _(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND, \ "stall-frontend") \ _(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND, \ "stall-backend") \ _(PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES, "ref-cpu-cycles") \ _(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS, "page-faults") \ _(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES, "context-switches") \ _(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS, "cpu-migrations") \ _(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN, "minor-pagefaults") \ _(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ, "major-pagefaults") \ _(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS, "emulation-faults") typedef struct { char *name; int pe_type; int pe_config; } perfmon_event_config_t; typedef enum { PERFMON_STATE_OFF = 0, PERFMON_STATE_RUNNING, } perfmon_state_t; typedef struct { u8 *thread_and_node_name; u8 **counter_names; u64 *counter_values; u64 *vectors_this_counter; } perfmon_capture_t; typedef struct { u8 *name; u8 *value; } name_value_pair_t; typedef struct { /* API message ID base */ u16 msg_id_base; /* on/off switch for the periodic function */ volatile u8 state; /* capture pool, hash table */ perfmon_capture_t *capture_pool; uword *capture_by_thread_and_node_name; /* vector of registered perfmon tables */ perfmon_intel_pmc_registration_t *perfmon_tables; /* active table */ perfmon_intel_pmc_event_t *perfmon_table; uword *pmc_event_by_name; /* vector of single events to collect */ perfmon_event_config_t *single_events_to_collect; /* vector of paired events to collect */ perfmon_event_config_t *paired_events_to_collect; /* Base indices of synthetic event tuples */ u32 ipc_event_index; u32 mispredict_event_index; /* Length of time to capture a single event */ f64 timeout_interval; /* Current event (index) being collected */ u32 current_event; int n_active; u32 **rdpmc_indices; /* mmap base / size of (mapped) struct perf_event_mmap_page */ u8 ***perf_event_pages; u32 page_size; /* Current perf_event file descriptors, per thread */ int **pm_fds; /* thread bitmap */ uword *thread_bitmap; /* Logging */ vlib_log_class_t log_class; /* convenience */ vlib_main_t *vlib_main; vnet_main_t *vnet_main; ethernet_main_t *ethernet_main; } perfmon_main_t; extern perfmon_main_t perfmon_main; extern vlib_node_registration_t perfmon_periodic_node; uword *perfmon_parse_table (perfmon_main_t * pm, char *path, char *filename); /* Periodic function events */ #define PERFMON_START 1 #endif /* __included_perfmon_h__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */