Merging upstream version 1.45.3+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 1030 deletions

diff --git a/collectors/ebpf.plugin/ebpf_swap.c b/collectors/ebpf.plugin/ebpf_swap.c
deleted file mode 100644
index fb007f928..000000000
--- a/collectors/ebpf.plugin/ebpf_swap.c
+++ /dev/null
@@ -1,1030 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include "ebpf.h"
-#include "ebpf_swap.h"
-
-static char *swap_dimension_name[NETDATA_SWAP_END] = { "read", "write" };
-static netdata_syscall_stat_t swap_aggregated_data[NETDATA_SWAP_END];
-static netdata_publish_syscall_t swap_publish_aggregated[NETDATA_SWAP_END];
-
-static netdata_idx_t swap_hash_values[NETDATA_SWAP_END];
-static netdata_idx_t *swap_values = NULL;
-
-netdata_publish_swap_t *swap_vector = NULL;
-
-struct config swap_config = { .first_section = NULL,
-    .last_section = NULL,
-    .mutex = NETDATA_MUTEX_INITIALIZER,
-    .index = { .avl_tree = { .root = NULL, .compar = appconfig_section_compare },
-        .rwlock = AVL_LOCK_INITIALIZER } };
-
-static ebpf_local_maps_t swap_maps[] = {{.name = "tbl_pid_swap", .internal_input = ND_EBPF_DEFAULT_PID_SIZE,
-                                         .user_input = 0,
-                                         .type = NETDATA_EBPF_MAP_RESIZABLE | NETDATA_EBPF_MAP_PID,
-                                         .map_fd = ND_EBPF_MAP_FD_NOT_INITIALIZED,
-#ifdef LIBBPF_MAJOR_VERSION
-                                         .map_type = BPF_MAP_TYPE_PERCPU_HASH
-#endif
-                                        },
-                                        {.name = "swap_ctrl", .internal_input = NETDATA_CONTROLLER_END,
-                                         .user_input = 0,
-                                         .type = NETDATA_EBPF_MAP_CONTROLLER,
-                                         .map_fd = ND_EBPF_MAP_FD_NOT_INITIALIZED,
-#ifdef LIBBPF_MAJOR_VERSION
-                                         .map_type = BPF_MAP_TYPE_PERCPU_ARRAY
-#endif
-                                        },
-                                        {.name = "tbl_swap", .internal_input = NETDATA_SWAP_END,
-                                         .user_input = 0,
-                                         .type = NETDATA_EBPF_MAP_STATIC,
-                                         .map_fd = ND_EBPF_MAP_FD_NOT_INITIALIZED,
-#ifdef LIBBPF_MAJOR_VERSION
-                                         .map_type = BPF_MAP_TYPE_PERCPU_ARRAY
-#endif
-                                        },
-                                        {.name = NULL, .internal_input = 0, .user_input = 0,
-#ifdef LIBBPF_MAJOR_VERSION
-                                         .map_type = BPF_MAP_TYPE_PERCPU_ARRAY
-#endif
-                                        }};
-
-netdata_ebpf_targets_t swap_targets[] = { {.name = "swap_readpage", .mode = EBPF_LOAD_TRAMPOLINE},
-                                           {.name = "swap_writepage", .mode = EBPF_LOAD_TRAMPOLINE},
-                                           {.name = NULL, .mode = EBPF_LOAD_TRAMPOLINE}};
-
-#ifdef LIBBPF_MAJOR_VERSION
-/**
- * Disable probe
- *
- * Disable all probes to use exclusively another method.
- *
- * @param obj is the main structure for bpf objects
- */
-static void ebpf_swap_disable_probe(struct swap_bpf *obj)
-{
-    bpf_program__set_autoload(obj->progs.netdata_swap_readpage_probe, false);
-    bpf_program__set_autoload(obj->progs.netdata_swap_writepage_probe, false);
-}
-
-/*
- * Disable trampoline
- *
- * Disable all trampoline to use exclusively another method.
- *
- * @param obj is the main structure for bpf objects.
- */
-static void ebpf_swap_disable_trampoline(struct swap_bpf *obj)
-{
-    bpf_program__set_autoload(obj->progs.netdata_swap_readpage_fentry, false);
-    bpf_program__set_autoload(obj->progs.netdata_swap_writepage_fentry, false);
-    bpf_program__set_autoload(obj->progs.netdata_release_task_fentry, false);
-}
-
-/**
- * Set trampoline target
- *
- * Set the targets we will monitor.
- *
- * @param obj is the main structure for bpf objects.
- */
-static void ebpf_swap_set_trampoline_target(struct swap_bpf *obj)
-{
-    bpf_program__set_attach_target(obj->progs.netdata_swap_readpage_fentry, 0,
-                                   swap_targets[NETDATA_KEY_SWAP_READPAGE_CALL].name);
-
-    bpf_program__set_attach_target(obj->progs.netdata_swap_writepage_fentry, 0,
-                                   swap_targets[NETDATA_KEY_SWAP_WRITEPAGE_CALL].name);
-
-    bpf_program__set_attach_target(obj->progs.netdata_release_task_fentry, 0,
-                                   EBPF_COMMON_FNCT_CLEAN_UP);
-}
-
-/**
- * Mount Attach Probe
- *
- * Attach probes to target
- *
- * @param obj is the main structure for bpf objects.
- *
- * @return It returns 0 on success and -1 otherwise.
- */
-static int ebpf_swap_attach_kprobe(struct swap_bpf *obj)
-{
-    obj->links.netdata_swap_readpage_probe = bpf_program__attach_kprobe(obj->progs.netdata_swap_readpage_probe,
-                                                                        false,
-                                                                        swap_targets[NETDATA_KEY_SWAP_READPAGE_CALL].name);
-    int ret = libbpf_get_error(obj->links.netdata_swap_readpage_probe);
-    if (ret)
-        return -1;
-
-    obj->links.netdata_swap_writepage_probe = bpf_program__attach_kprobe(obj->progs.netdata_swap_writepage_probe,
-                                                                         false,
-                                                                         swap_targets[NETDATA_KEY_SWAP_WRITEPAGE_CALL].name);
-    ret = libbpf_get_error(obj->links.netdata_swap_writepage_probe);
-    if (ret)
-        return -1;
-
-    return 0;
-}
-
-/**
- * Set hash tables
- *
- * Set the values for maps according the value given by kernel.
- *
- * @param obj is the main structure for bpf objects.
- */
-static void ebpf_swap_set_hash_tables(struct swap_bpf *obj)
-{
-    swap_maps[NETDATA_PID_SWAP_TABLE].map_fd = bpf_map__fd(obj->maps.tbl_pid_swap);
-    swap_maps[NETDATA_SWAP_CONTROLLER].map_fd = bpf_map__fd(obj->maps.swap_ctrl);
-    swap_maps[NETDATA_SWAP_GLOBAL_TABLE].map_fd = bpf_map__fd(obj->maps.tbl_swap);
-}
-
-/**
- * Adjust Map
- *
- * Resize maps according input from users.
- *
- * @param obj is the main structure for bpf objects.
- * @param em  structure with configuration
- */
-static void ebpf_swap_adjust_map(struct swap_bpf *obj, ebpf_module_t *em)
-{
-    ebpf_update_map_size(obj->maps.tbl_pid_swap, &swap_maps[NETDATA_PID_SWAP_TABLE],
-                         em, bpf_map__name(obj->maps.tbl_pid_swap));
-
-    ebpf_update_map_type(obj->maps.tbl_pid_swap, &swap_maps[NETDATA_PID_SWAP_TABLE]);
-    ebpf_update_map_type(obj->maps.tbl_swap, &swap_maps[NETDATA_SWAP_GLOBAL_TABLE]);
-    ebpf_update_map_type(obj->maps.swap_ctrl, &swap_maps[NETDATA_SWAP_CONTROLLER]);
-}
-
-/**
- *  Disable Release Task
- *
- *  Disable release task when apps is not enabled.
- *
- *  @param obj is the main structure for bpf objects.
- */
-static void ebpf_swap_disable_release_task(struct swap_bpf *obj)
-{
-    bpf_program__set_autoload(obj->progs.netdata_release_task_fentry, false);
-}
-
-/**
- * Load and attach
- *
- * Load and attach the eBPF code in kernel.
- *
- * @param obj is the main structure for bpf objects.
- * @param em  structure with configuration
- *
- * @return it returns 0 on success and -1 otherwise
- */
-static inline int ebpf_swap_load_and_attach(struct swap_bpf *obj, ebpf_module_t *em)
-{
-    netdata_ebpf_targets_t *mt = em->targets;
-    netdata_ebpf_program_loaded_t test = mt[NETDATA_KEY_SWAP_READPAGE_CALL].mode;
-
-    if (test == EBPF_LOAD_TRAMPOLINE) {
-        ebpf_swap_disable_probe(obj);
-
-        ebpf_swap_set_trampoline_target(obj);
-    } else {
-        ebpf_swap_disable_trampoline(obj);
-    }
-
-    ebpf_swap_adjust_map(obj, em);
-
-    if (!em->apps_charts && !em->cgroup_charts)
-        ebpf_swap_disable_release_task(obj);
-
-    int ret = swap_bpf__load(obj);
-    if (ret) {
-        return ret;
-    }
-
-    ret = (test == EBPF_LOAD_TRAMPOLINE) ? swap_bpf__attach(obj) : ebpf_swap_attach_kprobe(obj);
-    if (!ret) {
-        ebpf_swap_set_hash_tables(obj);
-
-        ebpf_update_controller(swap_maps[NETDATA_SWAP_CONTROLLER].map_fd, em);
-    }
-
-    return ret;
-}
-#endif
-
-/*****************************************************************
- *
- *  FUNCTIONS TO CLOSE THE THREAD
- *
- *****************************************************************/
-
-static void ebpf_obsolete_specific_swap_charts(char *type, int update_every);
-
-/**
- * Obsolete services
- *
- * Obsolete all service charts created
- *
- * @param em a pointer to `struct ebpf_module`
- */
-static void ebpf_obsolete_swap_services(ebpf_module_t *em)
-{
-    ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY,
-                              NETDATA_MEM_SWAP_READ_CHART,
-                              "",
-                              "Calls to function swap_readpage.",
-                              EBPF_COMMON_DIMENSION_CALL,
-                              NETDATA_SYSTEM_CGROUP_SWAP_SUBMENU,
-                              NETDATA_EBPF_CHART_TYPE_LINE,
-                              NETDATA_CGROUP_SWAP_READ_CONTEXT,
-                              NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5100,
-                              em->update_every);
-
-    ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY,
-                              NETDATA_MEM_SWAP_WRITE_CHART,
-                              "",
-                              "Calls to function swap_writepage.",
-                              EBPF_COMMON_DIMENSION_CALL,
-                              NETDATA_SYSTEM_CGROUP_SWAP_SUBMENU,
-                              NETDATA_EBPF_CHART_TYPE_LINE,
-                              NETDATA_CGROUP_SWAP_WRITE_CONTEXT,
-                              NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5101,
-                              em->update_every);
-}
-
-/**
- * Obsolete cgroup chart
- *
- * Send obsolete for all charts created before to close.
- *
- * @param em a pointer to `struct ebpf_module`
- */
-static inline void ebpf_obsolete_swap_cgroup_charts(ebpf_module_t *em) {
-    pthread_mutex_lock(&mutex_cgroup_shm);
-
-    ebpf_obsolete_swap_services(em);
-
-    ebpf_cgroup_target_t *ect;
-    for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
-        if (ect->systemd)
-            continue;
-
-        ebpf_obsolete_specific_swap_charts(ect->name, em->update_every);
-    }
-    pthread_mutex_unlock(&mutex_cgroup_shm);
-}
-
-/**
- * Obsolette apps charts
- *
- * Obsolete apps charts.
- *
- * @param em a pointer to the structure with the default values.
- */
-void ebpf_obsolete_swap_apps_charts(struct ebpf_module *em)
-{
-    struct ebpf_target *w;
-    int update_every = em->update_every;
-    for (w = apps_groups_root_target; w; w = w->next) {
-        if (unlikely(!(w->charts_created & (1<<EBPF_MODULE_SWAP_IDX))))
-            continue;
-
-        ebpf_write_chart_obsolete(NETDATA_APP_FAMILY,
-                                  w->clean_name,
-                                  "_ebpf_call_swap_readpage",
-                                  "Calls to function swap_readpage.",
-                                  EBPF_COMMON_DIMENSION_CALL,
-                                  NETDATA_EBPF_MEMORY_GROUP,
-                                  NETDATA_EBPF_CHART_TYPE_STACKED,
-                                  "app.ebpf_call_swap_readpage",
-                                  20070,
-                                  update_every);
-
-        ebpf_write_chart_obsolete(NETDATA_APP_FAMILY,
-                                  w->clean_name,
-                                  "_ebpf_call_swap_writepage",
-                                  "Calls to function swap_writepage.",
-                                  EBPF_COMMON_DIMENSION_CALL,
-                                  NETDATA_EBPF_MEMORY_GROUP,
-                                  NETDATA_EBPF_CHART_TYPE_STACKED,
-                                  "app.ebpf_call_swap_writepage",
-                                  20071,
-                                  update_every);
-        w->charts_created &= ~(1<<EBPF_MODULE_SWAP_IDX);
-    }
-}
-
-/**
- * Obsolete global
- *
- * Obsolete global charts created by thread.
- *
- * @param em a pointer to `struct ebpf_module`
- */
-static void ebpf_obsolete_swap_global(ebpf_module_t *em)
-{
-    ebpf_write_chart_obsolete(NETDATA_EBPF_MEMORY_GROUP,
-                              NETDATA_MEM_SWAP_CHART,
-                              "",
-                              "Calls to access swap memory",
-                              EBPF_COMMON_DIMENSION_CALL, NETDATA_SYSTEM_SWAP_SUBMENU,
-                              NETDATA_EBPF_CHART_TYPE_LINE,
-                              NULL,
-                              NETDATA_CHART_PRIO_MEM_SWAP_CALLS,
-                              em->update_every);
-}
-
-/**
- * Swap exit
- *
- * Cancel thread and exit.
- *
- * @param ptr thread data.
- */
-static void ebpf_swap_exit(void *ptr)
-{
-    ebpf_module_t *em = (ebpf_module_t *)ptr;
-
-    if (em->enabled == NETDATA_THREAD_EBPF_FUNCTION_RUNNING) {
-        pthread_mutex_lock(&lock);
-        if (em->cgroup_charts) {
-            ebpf_obsolete_swap_cgroup_charts(em);
-            fflush(stdout);
-        }
-
-        if (em->apps_charts & NETDATA_EBPF_APPS_FLAG_CHART_CREATED) {
-            ebpf_obsolete_swap_apps_charts(em);
-        }
-
-        ebpf_obsolete_swap_global(em);
-
-        fflush(stdout);
-        pthread_mutex_unlock(&lock);
-    }
-
-    ebpf_update_kernel_memory_with_vector(&plugin_statistics, em->maps, EBPF_ACTION_STAT_REMOVE);
-
-#ifdef LIBBPF_MAJOR_VERSION
-    if (bpf_obj) {
-        swap_bpf__destroy(bpf_obj);
-        bpf_obj = NULL;
-    }
-#endif
-    if (em->objects) {
-        ebpf_unload_legacy_code(em->objects, em->probe_links);
-        em->objects = NULL;
-        em->probe_links = NULL;
-    }
-
-    pthread_mutex_lock(&ebpf_exit_cleanup);
-    em->enabled = NETDATA_THREAD_EBPF_STOPPED;
-    ebpf_update_stats(&plugin_statistics, em);
-    pthread_mutex_unlock(&ebpf_exit_cleanup);
-}
-
-/*****************************************************************
- *
- *  COLLECTOR THREAD
- *
- *****************************************************************/
-
-/**
- * Apps Accumulator
- *
- * Sum all values read from kernel and store in the first address.
- *
- * @param out the vector with read values.
- * @param maps_per_core do I need to read all cores?
- */
-static void swap_apps_accumulator(netdata_publish_swap_t *out, int maps_per_core)
-{
-    int i, end = (maps_per_core) ? ebpf_nprocs : 1;
-    netdata_publish_swap_t *total = &out[0];
-    for (i = 1; i < end; i++) {
-        netdata_publish_swap_t *w = &out[i];
-        total->write += w->write;
-        total->read += w->read;
-    }
-}
-
-/**
- * Fill PID
- *
- * Fill PID structures
- *
- * @param current_pid pid that we are collecting data
- * @param out         values read from hash tables;
- */
-static void swap_fill_pid(uint32_t current_pid, netdata_publish_swap_t *publish)
-{
-    netdata_publish_swap_t *curr = swap_pid[current_pid];
-    if (!curr) {
-        curr = callocz(1, sizeof(netdata_publish_swap_t));
-        swap_pid[current_pid] = curr;
-    }
-
-    memcpy(curr, publish, sizeof(netdata_publish_swap_t));
-}
-
-/**
- * Update cgroup
- *
- * Update cgroup data based in
- *
- * @param maps_per_core do I need to read all cores?
- */
-static void ebpf_update_swap_cgroup(int maps_per_core)
-{
-    ebpf_cgroup_target_t *ect ;
-    netdata_publish_swap_t *cv = swap_vector;
-    int fd = swap_maps[NETDATA_PID_SWAP_TABLE].map_fd;
-    size_t length = sizeof(netdata_publish_swap_t);
-    if (maps_per_core)
-        length *= ebpf_nprocs;
-    pthread_mutex_lock(&mutex_cgroup_shm);
-    for (ect = ebpf_cgroup_pids; ect; ect = ect->next) {
-        struct pid_on_target2 *pids;
-        for (pids = ect->pids; pids; pids = pids->next) {
-            int pid = pids->pid;
-            netdata_publish_swap_t *out = &pids->swap;
-            if (likely(swap_pid) && swap_pid[pid]) {
-                netdata_publish_swap_t *in = swap_pid[pid];
-
-                memcpy(out, in, sizeof(netdata_publish_swap_t));
-            } else {
-                memset(cv, 0, length);
-                if (!bpf_map_lookup_elem(fd, &pid, cv)) {
-                    swap_apps_accumulator(cv, maps_per_core);
-
-                    memcpy(out, cv, sizeof(netdata_publish_swap_t));
-
-                    // We are cleaning to avoid passing data read from one process to other.
-                    memset(cv, 0, length);
-                }
-            }
-        }
-    }
-    pthread_mutex_unlock(&mutex_cgroup_shm);
-}
-
-/**
- * Read APPS table
- *
- * Read the apps table and store data inside the structure.
- *
- * @param maps_per_core do I need to read all cores?
- */
-static void read_swap_apps_table(int maps_per_core)
-{
-    netdata_publish_swap_t *cv = swap_vector;
-    uint32_t key;
-    struct ebpf_pid_stat *pids = ebpf_root_of_pids;
-    int fd = swap_maps[NETDATA_PID_SWAP_TABLE].map_fd;
-    size_t length = sizeof(netdata_publish_swap_t);
-    if (maps_per_core)
-        length *= ebpf_nprocs;
-    while (pids) {
-        key = pids->pid;
-
-        if (bpf_map_lookup_elem(fd, &key, cv)) {
-            pids = pids->next;
-            continue;
-        }
-
-        swap_apps_accumulator(cv, maps_per_core);
-
-        swap_fill_pid(key, cv);
-
-        // We are cleaning to avoid passing data read from one process to other.
-        memset(cv, 0, length);
-
-        pids = pids->next;
-    }
-}
-
-/**
-* Send global
-*
-* Send global charts to Netdata
-*/
-static void swap_send_global()
-{
-    write_io_chart(NETDATA_MEM_SWAP_CHART, NETDATA_EBPF_MEMORY_GROUP,
-                   swap_publish_aggregated[NETDATA_KEY_SWAP_WRITEPAGE_CALL].dimension,
-                   (long long) swap_hash_values[NETDATA_KEY_SWAP_WRITEPAGE_CALL],
-                   swap_publish_aggregated[NETDATA_KEY_SWAP_READPAGE_CALL].dimension,
-                   (long long) swap_hash_values[NETDATA_KEY_SWAP_READPAGE_CALL]);
-}
-
-/**
- * Read global counter
- *
- * Read the table with number of calls to all functions
- *
- * @param stats         vector used to read data from control table.
- * @param maps_per_core do I need to read all cores?
- */
-static void ebpf_swap_read_global_table(netdata_idx_t *stats, int maps_per_core)
-{
-    ebpf_read_global_table_stats(swap_hash_values,
-                                 swap_values,
-                                 swap_maps[NETDATA_SWAP_GLOBAL_TABLE].map_fd,
-                                 maps_per_core,
-                                 NETDATA_KEY_SWAP_READPAGE_CALL,
-                                 NETDATA_SWAP_END);
-
-    ebpf_read_global_table_stats(stats,
-                                 swap_values,
-                                 swap_maps[NETDATA_SWAP_CONTROLLER].map_fd,
-                                 maps_per_core,
-                                 NETDATA_CONTROLLER_PID_TABLE_ADD,
-                                 NETDATA_CONTROLLER_END);
-}
-
-/**
- * Sum PIDs
- *
- * Sum values for all targets.
- *
- * @param swap
- * @param root
- */
-static void ebpf_swap_sum_pids(netdata_publish_swap_t *swap, struct ebpf_pid_on_target *root)
-{
-    uint64_t local_read = 0;
-    uint64_t local_write = 0;
-
-    while (root) {
-        int32_t pid = root->pid;
-        netdata_publish_swap_t *w = swap_pid[pid];
-        if (w) {
-            local_write += w->write;
-            local_read += w->read;
-        }
-        root = root->next;
-    }
-
-    // These conditions were added, because we are using incremental algorithm
-    swap->write = (local_write >= swap->write) ? local_write : swap->write;
-    swap->read = (local_read >= swap->read) ? local_read : swap->read;
-}
-
-/**
- * Send data to Netdata calling auxiliary functions.
- *
- * @param root the target list.
-*/
-void ebpf_swap_send_apps_data(struct ebpf_target *root)
-{
-    struct ebpf_target *w;
-    for (w = root; w; w = w->next) {
-        if (unlikely(!(w->charts_created & (1<<EBPF_MODULE_SWAP_IDX))))
-            continue;
-
-        ebpf_swap_sum_pids(&w->swap, w->root_pid);
-
-        ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_swap_readpage");
-        write_chart_dimension("calls", (long long) w->swap.read);
-        ebpf_write_end_chart();
-
-        ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_swap_writepage");
-        write_chart_dimension("calls", (long long) w->swap.write);
-        ebpf_write_end_chart();
-    }
-}
-
-/**
- * Sum PIDs
- *
- * Sum values for all targets.
- *
- * @param swap
- * @param root
- */
-static void ebpf_swap_sum_cgroup_pids(netdata_publish_swap_t *swap, struct pid_on_target2 *pids)
-{
-    uint64_t local_read = 0;
-    uint64_t local_write = 0;
-
-    while (pids) {
-        netdata_publish_swap_t *w = &pids->swap;
-        local_write += w->write;
-        local_read += w->read;
-
-        pids = pids->next;
-    }
-
-    // These conditions were added, because we are using incremental algorithm
-    swap->write = (local_write >= swap->write) ? local_write : swap->write;
-    swap->read = (local_read >= swap->read) ? local_read : swap->read;
-}
-
-/**
- * Send Systemd charts
- *
- * Send collected data to Netdata.
- */
-static void ebpf_send_systemd_swap_charts()
-{
-    ebpf_cgroup_target_t *ect;
-    ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_MEM_SWAP_READ_CHART, "");
-    for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
-        if (unlikely(ect->systemd) && unlikely(ect->updated)) {
-            write_chart_dimension(ect->name, (long long) ect->publish_systemd_swap.read);
-        }
-    }
-    ebpf_write_end_chart();
-
-    ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_MEM_SWAP_WRITE_CHART, "");
-    for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
-        if (unlikely(ect->systemd) && unlikely(ect->updated)) {
-            write_chart_dimension(ect->name, (long long) ect->publish_systemd_swap.write);
-        }
-    }
-    ebpf_write_end_chart();
-}
-
-/**
- * Create specific swap charts
- *
- * Create charts for cgroup/application.
- *
- * @param type the chart type.
- * @param update_every value to overwrite the update frequency set by the server.
- */
-static void ebpf_create_specific_swap_charts(char *type, int update_every)
-{
-    ebpf_create_chart(type, NETDATA_MEM_SWAP_READ_CHART,
-                      "Calls to function swap_readpage.",
-                      EBPF_COMMON_DIMENSION_CALL, NETDATA_SYSTEM_CGROUP_SWAP_SUBMENU,
-                      NETDATA_CGROUP_SWAP_READ_CONTEXT, NETDATA_EBPF_CHART_TYPE_LINE,
-                      NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5100,
-                      ebpf_create_global_dimension,
-                      swap_publish_aggregated, 1, update_every, NETDATA_EBPF_MODULE_NAME_SWAP);
-
-    ebpf_create_chart(type, NETDATA_MEM_SWAP_WRITE_CHART,
-                      "Calls to function swap_writepage.",
-                      EBPF_COMMON_DIMENSION_CALL, NETDATA_SYSTEM_CGROUP_SWAP_SUBMENU,
-                      NETDATA_CGROUP_SWAP_WRITE_CONTEXT, NETDATA_EBPF_CHART_TYPE_LINE,
-                      NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5101,
-                      ebpf_create_global_dimension,
-                      &swap_publish_aggregated[NETDATA_KEY_SWAP_WRITEPAGE_CALL], 1,
-                      update_every, NETDATA_EBPF_MODULE_NAME_SWAP);
-}
-
-/**
- * Create specific swap charts
- *
- * Create charts for cgroup/application.
- *
- * @param type the chart type.
- * @param update_every value to overwrite the update frequency set by the server.
- */
-static void ebpf_obsolete_specific_swap_charts(char *type, int update_every)
-{
-    ebpf_write_chart_obsolete(type, NETDATA_MEM_SWAP_READ_CHART, "", "Calls to function swap_readpage.",
-                              EBPF_COMMON_DIMENSION_CALL, NETDATA_SYSTEM_CGROUP_SWAP_SUBMENU,
-                              NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_SWAP_READ_CONTEXT,
-                              NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5100, update_every);
-
-    ebpf_write_chart_obsolete(type, NETDATA_MEM_SWAP_WRITE_CHART, "",  "Calls to function swap_writepage.",
-                              EBPF_COMMON_DIMENSION_CALL, NETDATA_SYSTEM_CGROUP_SWAP_SUBMENU,
-                              NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_SWAP_WRITE_CONTEXT,
-                              NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5101, update_every);
-}
-
-/*
- * Send Specific Swap data
- *
- * Send data for specific cgroup/apps.
- *
- * @param type   chart type
- * @param values structure with values that will be sent to netdata
- */
-static void ebpf_send_specific_swap_data(char *type, netdata_publish_swap_t *values)
-{
-    ebpf_write_begin_chart(type, NETDATA_MEM_SWAP_READ_CHART, "");
-    write_chart_dimension(swap_publish_aggregated[NETDATA_KEY_SWAP_READPAGE_CALL].name, (long long) values->read);
-    ebpf_write_end_chart();
-
-    ebpf_write_begin_chart(type, NETDATA_MEM_SWAP_WRITE_CHART, "");
-    write_chart_dimension(swap_publish_aggregated[NETDATA_KEY_SWAP_WRITEPAGE_CALL].name, (long long) values->write);
-    ebpf_write_end_chart();
-}
-
-/**
- *  Create Systemd Swap Charts
- *
- *  Create charts when systemd is enabled
- *
- *  @param update_every value to overwrite the update frequency set by the server.
- **/
-static void ebpf_create_systemd_swap_charts(int update_every)
-{
-    ebpf_create_charts_on_systemd(NETDATA_MEM_SWAP_READ_CHART,
-                                  "Calls to swap_readpage.",
-                                  EBPF_COMMON_DIMENSION_CALL, NETDATA_SYSTEM_CGROUP_SWAP_SUBMENU,
-                                  NETDATA_EBPF_CHART_TYPE_STACKED, 20191,
-                                  ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_SWAP_READ_CONTEXT,
-                                  NETDATA_EBPF_MODULE_NAME_SWAP, update_every);
-
-    ebpf_create_charts_on_systemd(NETDATA_MEM_SWAP_WRITE_CHART,
-                                  "Calls to function swap_writepage.",
-                                  EBPF_COMMON_DIMENSION_CALL, NETDATA_SYSTEM_CGROUP_SWAP_SUBMENU,
-                                  NETDATA_EBPF_CHART_TYPE_STACKED, 20192,
-                                  ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_SWAP_WRITE_CONTEXT,
-                                  NETDATA_EBPF_MODULE_NAME_SWAP, update_every);
-}
-
-/**
- * Send data to Netdata calling auxiliary functions.
- *
- * @param update_every value to overwrite the update frequency set by the server.
-*/
-void ebpf_swap_send_cgroup_data(int update_every)
-{
-    if (!ebpf_cgroup_pids)
-        return;
-
-    pthread_mutex_lock(&mutex_cgroup_shm);
-    ebpf_cgroup_target_t *ect;
-    for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
-        ebpf_swap_sum_cgroup_pids(&ect->publish_systemd_swap, ect->pids);
-    }
-
-    int has_systemd = shm_ebpf_cgroup.header->systemd_enabled;
-
-    if (has_systemd) {
-        if (send_cgroup_chart) {
-            ebpf_create_systemd_swap_charts(update_every);
-            fflush(stdout);
-        }
-        ebpf_send_systemd_swap_charts();
-    }
-
-    for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
-        if (ect->systemd)
-            continue;
-
-        if (!(ect->flags & NETDATA_EBPF_CGROUP_HAS_SWAP_CHART) && ect->updated) {
-            ebpf_create_specific_swap_charts(ect->name, update_every);
-            ect->flags |= NETDATA_EBPF_CGROUP_HAS_SWAP_CHART;
-        }
-
-        if (ect->flags & NETDATA_EBPF_CGROUP_HAS_SWAP_CHART) {
-            if (ect->updated) {
-                ebpf_send_specific_swap_data(ect->name, &ect->publish_systemd_swap);
-            } else {
-                ebpf_obsolete_specific_swap_charts(ect->name, update_every);
-                ect->flags &= ~NETDATA_EBPF_CGROUP_HAS_SWAP_CHART;
-            }
-        }
-    }
-
-    pthread_mutex_unlock(&mutex_cgroup_shm);
-}
-
-/**
-* Main loop for this collector.
-*/
-static void swap_collector(ebpf_module_t *em)
-{
-    int cgroup = em->cgroup_charts;
-    int update_every = em->update_every;
-    heartbeat_t hb;
-    heartbeat_init(&hb);
-    int counter = update_every - 1;
-    int maps_per_core = em->maps_per_core;
-    uint32_t running_time = 0;
-    uint32_t lifetime = em->lifetime;
-    netdata_idx_t *stats = em->hash_table_stats;
-    memset(stats, 0, sizeof(em->hash_table_stats));
-    while (!ebpf_plugin_exit && running_time < lifetime) {
-        (void)heartbeat_next(&hb, USEC_PER_SEC);
-        if (ebpf_plugin_exit || ++counter != update_every)
-            continue;
-
-        counter = 0;
-        netdata_apps_integration_flags_t apps = em->apps_charts;
-        ebpf_swap_read_global_table(stats, maps_per_core);
-        pthread_mutex_lock(&collect_data_mutex);
-        if (apps)
-            read_swap_apps_table(maps_per_core);
-
-        if (cgroup)
-            ebpf_update_swap_cgroup(maps_per_core);
-
-        pthread_mutex_lock(&lock);
-
-        swap_send_global();
-
-        if (apps & NETDATA_EBPF_APPS_FLAG_CHART_CREATED)
-            ebpf_swap_send_apps_data(apps_groups_root_target);
-
-        if (cgroup)
-            ebpf_swap_send_cgroup_data(update_every);
-
-        pthread_mutex_unlock(&lock);
-        pthread_mutex_unlock(&collect_data_mutex);
-
-        pthread_mutex_lock(&ebpf_exit_cleanup);
-        if (running_time && !em->running_time)
-            running_time = update_every;
-        else
-            running_time += update_every;
-
-        em->running_time = running_time;
-        pthread_mutex_unlock(&ebpf_exit_cleanup);
-    }
-}
-
-/*****************************************************************
- *
- *  INITIALIZE THREAD
- *
- *****************************************************************/
-
-/**
- * Create apps charts
- *
- * Call ebpf_create_chart to create the charts on apps submenu.
- *
- * @param em a pointer to the structure with the default values.
- */
-void ebpf_swap_create_apps_charts(struct ebpf_module *em, void *ptr)
-{
-    struct ebpf_target *root = ptr;
-    struct ebpf_target *w;
-    int update_every = em->update_every;
-    for (w = root; w; w = w->next) {
-        if (unlikely(!w->exposed))
-            continue;
-
-        ebpf_write_chart_cmd(NETDATA_APP_FAMILY,
-                             w->clean_name,
-                             "_ebpf_call_swap_readpage",
-                             "Calls to function swap_readpage.",
-                             EBPF_COMMON_DIMENSION_CALL,
-                             NETDATA_EBPF_MEMORY_GROUP,
-                             NETDATA_EBPF_CHART_TYPE_STACKED,
-                             "app.ebpf_call_swap_readpage",
-                             20070,
-                             update_every,
-                             NETDATA_EBPF_MODULE_NAME_SWAP);
-        ebpf_create_chart_labels("app_group", w->name, 1);
-        ebpf_commit_label();
-        fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]);
-
-        ebpf_write_chart_cmd(NETDATA_APP_FAMILY,
-                             w->clean_name,
-                             "_ebpf_call_swap_writepage",
-                             "Calls to function swap_writepage.",
-                             EBPF_COMMON_DIMENSION_CALL,
-                             NETDATA_EBPF_MEMORY_GROUP,
-                             NETDATA_EBPF_CHART_TYPE_STACKED,
-                             "app.ebpf_call_swap_writepage",
-                             20071,
-                             update_every,
-                             NETDATA_EBPF_MODULE_NAME_SWAP);
-        ebpf_create_chart_labels("app_group", w->name, 1);
-        ebpf_commit_label();
-        fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]);
-
-        w->charts_created |= 1<<EBPF_MODULE_SWAP_IDX;
-    }
-    em->apps_charts |= NETDATA_EBPF_APPS_FLAG_CHART_CREATED;
-}
-
-/**
- * Allocate vectors used with this thread.
- *
- * We are not testing the return, because callocz does this and shutdown the software
- * case it was not possible to allocate.
- *
- * @param apps is apps enabled?
- */
-static void ebpf_swap_allocate_global_vectors(int apps)
-{
-    if (apps)
-        swap_pid = callocz((size_t)pid_max, sizeof(netdata_publish_swap_t *));
-
-    swap_vector = callocz((size_t)ebpf_nprocs, sizeof(netdata_publish_swap_t));
-
-    swap_values = callocz((size_t)ebpf_nprocs, sizeof(netdata_idx_t));
-
-    memset(swap_hash_values, 0, sizeof(swap_hash_values));
-}
-
-/*****************************************************************
- *
- *  MAIN THREAD
- *
- *****************************************************************/
-
-/**
- * Create global charts
- *
- * Call ebpf_create_chart to create the charts for the collector.
- *
- * @param update_every value to overwrite the update frequency set by the server.
- */
-static void ebpf_create_swap_charts(int update_every)
-{
-    ebpf_create_chart(NETDATA_EBPF_MEMORY_GROUP, NETDATA_MEM_SWAP_CHART,
-                      "Calls to access swap memory",
-                      EBPF_COMMON_DIMENSION_CALL, NETDATA_SYSTEM_SWAP_SUBMENU,
-                      NULL,
-                      NETDATA_EBPF_CHART_TYPE_LINE,
-                      NETDATA_CHART_PRIO_MEM_SWAP_CALLS,
-                      ebpf_create_global_dimension,
-                      swap_publish_aggregated, NETDATA_SWAP_END,
-                      update_every, NETDATA_EBPF_MODULE_NAME_SWAP);
-
-    fflush(stdout);
-}
-
-/*
- * Load BPF
- *
- * Load BPF files.
- *
- * @param em the structure with configuration
- */
-static int ebpf_swap_load_bpf(ebpf_module_t *em)
-{
-#ifdef LIBBPF_MAJOR_VERSION
-    ebpf_define_map_type(em->maps, em->maps_per_core, running_on_kernel);
-#endif
-
-    int ret = 0;
-    ebpf_adjust_apps_cgroup(em, em->targets[NETDATA_KEY_SWAP_READPAGE_CALL].mode);
-    if (em->load & EBPF_LOAD_LEGACY) {
-        em->probe_links = ebpf_load_program(ebpf_plugin_dir, em, running_on_kernel, isrh, &em->objects);
-        if (!em->probe_links) {
-            ret = -1;
-        }
-    }
-#ifdef LIBBPF_MAJOR_VERSION
-    else {
-        bpf_obj = swap_bpf__open();
-        if (!bpf_obj)
-            ret = -1;
-        else
-            ret = ebpf_swap_load_and_attach(bpf_obj, em);
-    }
-#endif
-
-    if (ret)
-        netdata_log_error("%s %s", EBPF_DEFAULT_ERROR_MSG, em->info.thread_name);
-
-    return ret;
-}
-
-/**
- * SWAP thread
- *
- * Thread used to make swap thread
- *
- * @param ptr a pointer to `struct ebpf_module`
- *
- * @return It always return NULL
- */
-void *ebpf_swap_thread(void *ptr)
-{
-    netdata_thread_cleanup_push(ebpf_swap_exit, ptr);
-
-    ebpf_module_t *em = (ebpf_module_t *)ptr;
-    em->maps = swap_maps;
-
-    ebpf_update_pid_table(&swap_maps[NETDATA_PID_SWAP_TABLE], em);
-
-#ifdef LIBBPF_MAJOR_VERSION
-    ebpf_adjust_thread_load(em, default_btf);
-#endif
-   if (ebpf_swap_load_bpf(em)) {
-        goto endswap;
-    }
-
-    ebpf_swap_allocate_global_vectors(em->apps_charts);
-
-    int algorithms[NETDATA_SWAP_END] = { NETDATA_EBPF_INCREMENTAL_IDX, NETDATA_EBPF_INCREMENTAL_IDX };
-    ebpf_global_labels(swap_aggregated_data, swap_publish_aggregated, swap_dimension_name, swap_dimension_name,
-                       algorithms, NETDATA_SWAP_END);
-
-    pthread_mutex_lock(&lock);
-    ebpf_create_swap_charts(em->update_every);
-    ebpf_update_stats(&plugin_statistics, em);
-    ebpf_update_kernel_memory_with_vector(&plugin_statistics, em->maps, EBPF_ACTION_STAT_ADD);
-    pthread_mutex_unlock(&lock);
-
-    swap_collector(em);
-
-endswap:
-    ebpf_update_disabled_plugin_stats(em);
-
-    netdata_thread_cleanup_pop(1);
-    return NULL;
-}