From b485aab7e71c1625cfc27e0f92c9509f42378458 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 13:19:16 +0200 Subject: Adding upstream version 1.45.3+dfsg. Signed-off-by: Daniel Baumann --- src/collectors/ebpf.plugin/ebpf_dcstat.h | 95 ++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 src/collectors/ebpf.plugin/ebpf_dcstat.h (limited to 'src/collectors/ebpf.plugin/ebpf_dcstat.h') diff --git a/src/collectors/ebpf.plugin/ebpf_dcstat.h b/src/collectors/ebpf.plugin/ebpf_dcstat.h new file mode 100644 index 000000000..68f6d6131 --- /dev/null +++ b/src/collectors/ebpf.plugin/ebpf_dcstat.h @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_EBPF_DCSTAT_H +#define NETDATA_EBPF_DCSTAT_H 1 + +// Module name & description +#define NETDATA_EBPF_MODULE_NAME_DCSTAT "dcstat" +#define NETDATA_EBPF_DC_MODULE_DESC "Monitor file access using directory cache. This thread is integrated with apps and cgroup." + +// charts +#define NETDATA_DC_HIT_CHART "dc_hit_ratio" +#define NETDATA_DC_REFERENCE_CHART "dc_reference" +#define NETDATA_DC_REQUEST_NOT_CACHE_CHART "dc_not_cache" +#define NETDATA_DC_REQUEST_NOT_FOUND_CHART "dc_not_found" + +#define NETDATA_DIRECTORY_CACHE_SUBMENU "directory cache" + +// configuration file +#define NETDATA_DIRECTORY_DCSTAT_CONFIG_FILE "dcstat.conf" + +// Contexts +#define NETDATA_CGROUP_DC_HIT_RATIO_CONTEXT "cgroup.dc_ratio" +#define NETDATA_CGROUP_DC_REFERENCE_CONTEXT "cgroup.dc_reference" +#define NETDATA_CGROUP_DC_NOT_CACHE_CONTEXT "cgroup.dc_not_cache" +#define NETDATA_CGROUP_DC_NOT_FOUND_CONTEXT "cgroup.dc_not_found" + +#define NETDATA_SYSTEMD_DC_HIT_RATIO_CONTEXT "systemd.services.dc_ratio" +#define NETDATA_SYSTEMD_DC_REFERENCE_CONTEXT "systemd.services.dc_reference" +#define NETDATA_SYSTEMD_DC_NOT_CACHE_CONTEXT "systemd.services.dc_not_cache" +#define NETDATA_SYSTEMD_DC_NOT_FOUND_CONTEXT "systemd.services.dc_not_found" + +// ARAL name +#define NETDATA_EBPF_DCSTAT_ARAL_NAME "ebpf_dcstat" + +enum directory_cache_indexes { + NETDATA_DCSTAT_IDX_RATIO, + NETDATA_DCSTAT_IDX_REFERENCE, + NETDATA_DCSTAT_IDX_SLOW, + NETDATA_DCSTAT_IDX_MISS, + + // Keep this as last and don't skip numbers as it is used as element counter + NETDATA_DCSTAT_IDX_END +}; + +enum directory_cache_tables { + NETDATA_DCSTAT_GLOBAL_STATS, + NETDATA_DCSTAT_PID_STATS, + NETDATA_DCSTAT_CTRL +}; + +// variables +enum directory_cache_counters { + NETDATA_KEY_DC_REFERENCE, + NETDATA_KEY_DC_SLOW, + NETDATA_KEY_DC_MISS, + + // Keep this as last and don't skip numbers as it is used as element counter + NETDATA_DIRECTORY_CACHE_END +}; + +enum directory_cache_targets { + NETDATA_DC_TARGET_LOOKUP_FAST, + NETDATA_DC_TARGET_D_LOOKUP +}; + +typedef struct netdata_publish_dcstat_pid { + uint64_t ct; + uint32_t tgid; + uint32_t uid; + uint32_t gid; + char name[TASK_COMM_LEN]; + + uint64_t cache_access; + uint64_t file_system; + uint64_t not_found; +} netdata_dcstat_pid_t; + +typedef struct netdata_publish_dcstat { + uint64_t ct; + + long long ratio; + long long cache_access; + + netdata_dcstat_pid_t curr; + netdata_dcstat_pid_t prev; +} netdata_publish_dcstat_t; + +void *ebpf_dcstat_thread(void *ptr); +void ebpf_dcstat_create_apps_charts(struct ebpf_module *em, void *ptr); +void ebpf_dcstat_release(netdata_publish_dcstat_t *stat); +extern struct config dcstat_config; +extern netdata_ebpf_targets_t dc_targets[]; +extern ebpf_local_maps_t dcstat_maps[]; + +#endif // NETDATA_EBPF_DCSTAT_H -- cgit v1.2.3