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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_EBPF_SHM_H
#define NETDATA_EBPF_SHM_H 1
// Module name & description
#define NETDATA_EBPF_MODULE_NAME_SHM "shm"
#define NETDATA_EBPF_SHM_MODULE_DESC "Show calls to syscalls shmget(2), shmat(2), shmdt(2) and shmctl(2). This thread is integrated with apps and cgroup."
// charts
#define NETDATA_SHM_GLOBAL_CHART "shared_memory_calls"
#define NETDATA_SHMGET_CHART "shmget_call"
#define NETDATA_SHMAT_CHART "shmat_call"
#define NETDATA_SHMDT_CHART "shmdt_call"
#define NETDATA_SHMCTL_CHART "shmctl_call"
// configuration file
#define NETDATA_DIRECTORY_SHM_CONFIG_FILE "shm.conf"
// Contexts
#define NETDATA_CGROUP_SHM_GET_CONTEXT "cgroup.shmget"
#define NETDATA_CGROUP_SHM_AT_CONTEXT "cgroup.shmat"
#define NETDATA_CGROUP_SHM_DT_CONTEXT "cgroup.shmdt"
#define NETDATA_CGROUP_SHM_CTL_CONTEXT "cgroup.shmctl"
#define NETDATA_SYSTEMD_SHM_GET_CONTEXT "systemd.service.shmget"
#define NETDATA_SYSTEMD_SHM_AT_CONTEXT "systemd.service.shmat"
#define NETDATA_SYSTEMD_SHM_DT_CONTEXT "systemd.service.shmdt"
#define NETDATA_SYSTEMD_SHM_CTL_CONTEXT "systemd.service.shmctl"
typedef struct __attribute__((packed)) netdata_publish_shm {
uint64_t ct;
uint32_t get;
uint32_t at;
uint32_t dt;
uint32_t ctl;
} netdata_publish_shm_t;
typedef struct netdata_ebpf_shm {
uint64_t ct;
uint32_t tgid;
uint32_t uid;
uint32_t gid;
char name[TASK_COMM_LEN];
uint32_t get;
uint32_t at;
uint32_t dt;
uint32_t ctl;
} netdata_ebpf_shm_t;
enum shm_tables {
NETDATA_PID_SHM_TABLE,
NETDATA_SHM_CONTROLLER,
NETDATA_SHM_GLOBAL_TABLE
};
enum shm_counters {
NETDATA_KEY_SHMGET_CALL,
NETDATA_KEY_SHMAT_CALL,
NETDATA_KEY_SHMDT_CALL,
NETDATA_KEY_SHMCTL_CALL,
// Keep this as last and don't skip numbers as it is used as element counter
NETDATA_SHM_END
};
void *ebpf_shm_thread(void *ptr);
void ebpf_shm_create_apps_charts(struct ebpf_module *em, void *ptr);
void ebpf_shm_release(netdata_publish_shm_t *stat);
extern netdata_ebpf_targets_t shm_targets[];
extern struct config shm_config;
#endif
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