| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #ifndef NETDATA_EBPF_DCSTAT_H |
| 4 | #define NETDATA_EBPF_DCSTAT_H 1 |
| 5 | |
| 6 | #include "libbpf_api/ebpf.h" |
| 7 | #include "collectors/collectors-ipc/ebpf-ipc.h" |
| 8 | |
| 9 | // Module name & description |
| 10 | #define NETDATA_EBPF_MODULE_NAME_DCSTAT "dcstat" |
| 11 | #define NETDATA_EBPF_DC_MODULE_DESC \ |
| 12 | "Monitor file access using directory cache. This thread is integrated with apps and cgroup." |
| 13 | |
| 14 | // charts |
| 15 | #define NETDATA_DC_HIT_CHART "dc_hit_ratio" |
| 16 | #define NETDATA_DC_REFERENCE_CHART "dc_reference" |
| 17 | #define NETDATA_DC_REQUEST_NOT_CACHE_CHART "dc_not_cache" |
| 18 | #define NETDATA_DC_REQUEST_NOT_FOUND_CHART "dc_not_found" |
| 19 | |
| 20 | #define NETDATA_DIRECTORY_CACHE_SUBMENU "directory cache" |
| 21 | |
| 22 | // configuration file |
| 23 | #define NETDATA_DIRECTORY_DCSTAT_CONFIG_FILE "dcstat.conf" |
| 24 | |
| 25 | // Contexts |
| 26 | #define NETDATA_FS_DC_HIT_RATIO_CONTEXT "filesystem.dc_hit_ratio" |
| 27 | #define NETDATA_FS_DC_REFERENCE_CONTEXT "filesystem.dc_reference" |
| 28 | |
| 29 | #define NETDATA_CGROUP_DC_HIT_RATIO_CONTEXT "cgroup.dc_ratio" |
| 30 | #define NETDATA_CGROUP_DC_REFERENCE_CONTEXT "cgroup.dc_reference" |
| 31 | #define NETDATA_CGROUP_DC_NOT_CACHE_CONTEXT "cgroup.dc_not_cache" |
| 32 | #define NETDATA_CGROUP_DC_NOT_FOUND_CONTEXT "cgroup.dc_not_found" |
| 33 | |
| 34 | #define NETDATA_SYSTEMD_DC_HIT_RATIO_CONTEXT "systemd.service.dc_ratio" |
| 35 | #define NETDATA_SYSTEMD_DC_REFERENCE_CONTEXT "systemd.service.dc_reference" |
| 36 | #define NETDATA_SYSTEMD_DC_NOT_CACHE_CONTEXT "systemd.service.dc_not_cache" |
| 37 | #define NETDATA_SYSTEMD_DC_NOT_FOUND_CONTEXT "systemd.service.dc_not_found" |
| 38 | |
| 39 | // ARAL name |
| 40 | #define NETDATA_EBPF_DCSTAT_ARAL_NAME "ebpf_dcstat" |
| 41 | |
| 42 | // Unit |
| 43 | #define EBPF_COMMON_UNITS_FILES "files" |
| 44 | |
| 45 | enum directory_cache_indexes { |
| 46 | NETDATA_DCSTAT_IDX_RATIO, |
| 47 | NETDATA_DCSTAT_IDX_REFERENCE, |
| 48 | NETDATA_DCSTAT_IDX_SLOW, |
| 49 | NETDATA_DCSTAT_IDX_MISS, |
| 50 | |
| 51 | // Keep this as last and don't skip numbers as it is used as element counter |
| 52 | NETDATA_DCSTAT_IDX_END |
| 53 | }; |
| 54 | |
| 55 | enum directory_cache_tables { NETDATA_DCSTAT_GLOBAL_STATS, NETDATA_DCSTAT_PID_STATS, NETDATA_DCSTAT_CTRL }; |
| 56 | |
| 57 | // variables |
| 58 | enum directory_cache_counters { |
| 59 | NETDATA_KEY_DC_REFERENCE, |
| 60 | NETDATA_KEY_DC_SLOW, |
| 61 | NETDATA_KEY_DC_MISS, |
| 62 | |
| 63 | // Keep this as last and don't skip numbers as it is used as element counter |
| 64 | NETDATA_DIRECTORY_CACHE_END |
| 65 | }; |
| 66 | |
| 67 | enum directory_cache_targets { NETDATA_DC_TARGET_LOOKUP_FAST, NETDATA_DC_TARGET_D_LOOKUP }; |
| 68 | |
| 69 | void ebpf_dcstat_thread(void *ptr); |
| 70 | void ebpf_dcstat_create_apps_charts(struct ebpf_module *em, void *ptr); |
| 71 | extern struct config dcstat_config; |
| 72 | extern netdata_ebpf_targets_t dc_targets[]; |
| 73 | extern ebpf_local_maps_t dcstat_maps[]; |
| 74 | |
| 75 | #endif // NETDATA_EBPF_DCSTAT_H |