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Diffstat (limited to 'src/plugins/perfmon/perfmon.h')
| -rw-r--r-- | src/plugins/perfmon/perfmon.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/plugins/perfmon/perfmon.h b/src/plugins/perfmon/perfmon.h new file mode 100644 index 00000000000..47ee471d5fc --- /dev/null +++ b/src/plugins/perfmon/perfmon.h @@ -0,0 +1,145 @@ +/* + * 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> + +#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 +{ + u32 cpuid; + const char **table; +} perfmon_cpuid_and_table_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; + + /* CPU-specific event tables, hash table of selected table (if any) */ + perfmon_cpuid_and_table_t *perfmon_tables; + uword *perfmon_table; + + /* vector of events to collect */ + perfmon_event_config_t *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; + 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; + + /* 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: + */ |