1 files changed, 64 insertions, 0 deletions
diff --git a/collectors/ebpf.plugin/ebpf_dcstat.h b/collectors/ebpf.plugin/ebpf_dcstat.h
new file mode 100644
index 000000000..ad4bd1992
--- /dev/null
+++ b/collectors/ebpf.plugin/ebpf_dcstat.h
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_EBPF_DCSTAT_H
+#define NETDATA_EBPF_DCSTAT_H 1
+
+
+// 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 (eBPF)"
+#define NETDATA_DIRECTORY_FILESYSTEM_SUBMENU "Directory Cache (eBPF)"
+
+// configuration file
+#define NETDATA_DIRECTORY_DCSTAT_CONFIG_FILE "dcstat.conf"
+
+#define NETDATA_LATENCY_DCSTAT_SLEEP_MS 700000ULL
+
+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
+};
+
+// 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
+};
+
+typedef struct netdata_publish_dcstat_pid {
+    uint64_t cache_access;
+    uint64_t file_system;
+    uint64_t not_found;
+} netdata_dcstat_pid_t;
+
+typedef struct netdata_publish_dcstat {
+    long long ratio;
+    long long cache_access;
+
+    netdata_dcstat_pid_t curr;
+    netdata_dcstat_pid_t prev;
+} netdata_publish_dcstat_t;
+
+extern void *ebpf_dcstat_thread(void *ptr);
+extern void ebpf_dcstat_create_apps_charts(struct ebpf_module *em, void *ptr);
+extern void clean_dcstat_pid_structures();
+
+#endif // NETDATA_EBPF_DCSTAT_H