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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 11:19:16 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 12:07:37 +0000
commitb485aab7e71c1625cfc27e0f92c9509f42378458 (patch)
treeae9abe108601079d1679194de237c9a435ae5b55 /src/collectors/ebpf.plugin/ebpf_dcstat.h
parentAdding upstream version 1.44.3. (diff)
downloadnetdata-upstream.tar.xz
netdata-upstream.zip
Adding upstream version 1.45.3+dfsg.upstream/1.45.3+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/collectors/ebpf.plugin/ebpf_dcstat.h')
-rw-r--r--src/collectors/ebpf.plugin/ebpf_dcstat.h95
1 files changed, 95 insertions, 0 deletions
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