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Dir : ~/usr/local/src/netdata/collectors/ebpf.plugin/

View File Name : ebpf_fd.h

// SPDX-License-Identifier: GPL-3.0-or-later

#ifndef NETDATA_EBPF_FD_H
#define NETDATA_EBPF_FD_H 1

// Module name & File description
#define NETDATA_EBPF_MODULE_NAME_FD "filedescriptor"
#define NETDATA_EBPF_FD_MODULE_DESC "Monitor when files are open and closed. This thread is integrated with apps and cgroup."

// Menu group
#define NETDATA_FILE_GROUP "file_access"

// Global chart name
#define NETDATA_FILE_OPEN_CLOSE_COUNT "file_descriptor"
#define NETDATA_FILE_OPEN_ERR_COUNT "file_error"

// Charts created on Apps submenu
#define NETDATA_SYSCALL_APPS_FILE_OPEN "file_open"
#define NETDATA_SYSCALL_APPS_FILE_CLOSED "file_closed"
#define NETDATA_SYSCALL_APPS_FILE_OPEN_ERROR "file_open_error"
#define NETDATA_SYSCALL_APPS_FILE_CLOSE_ERROR "file_close_error"

// Process configuration name
#define NETDATA_FD_CONFIG_FILE "fd.conf"

// Contexts
#define NETDATA_CGROUP_FD_OPEN_CONTEXT "cgroup.fd_open"
#define NETDATA_CGROUP_FD_OPEN_ERR_CONTEXT "cgroup.fd_open_error"
#define NETDATA_CGROUP_FD_CLOSE_CONTEXT "cgroup.fd_close"
#define NETDATA_CGROUP_FD_CLOSE_ERR_CONTEXT "cgroup.fd_close_error"

#define NETDATA_SYSTEMD_FD_OPEN_CONTEXT "services.fd_open"
#define NETDATA_SYSTEMD_FD_OPEN_ERR_CONTEXT "services.fd_open_error"
#define NETDATA_SYSTEMD_FD_CLOSE_CONTEXT "services.fd_close"
#define NETDATA_SYSTEMD_FD_CLOSE_ERR_CONTEXT "services.fd_close_error"

// ARAL name
#define NETDATA_EBPF_FD_ARAL_NAME "ebpf_fd"

typedef struct netdata_fd_stat {
    uint64_t ct;
    uint32_t tgid;
    uint32_t uid;
    uint32_t gid;
    char name[TASK_COMM_LEN];

    uint32_t open_call;                    // Open syscalls (open and openat)
    uint32_t close_call;                   // Close syscall (close)

    // Errors
    uint32_t open_err;
    uint32_t close_err;
} netdata_fd_stat_t;

enum fd_tables {
    NETDATA_FD_PID_STATS,
    NETDATA_FD_GLOBAL_STATS,

    // Keep this as last and don't skip numbers as it is used as element counter
    NETDATA_FD_CONTROLLER
};

enum fd_counters {
    NETDATA_KEY_CALLS_DO_SYS_OPEN,
    NETDATA_KEY_ERROR_DO_SYS_OPEN,

    NETDATA_KEY_CALLS_CLOSE_FD,
    NETDATA_KEY_ERROR_CLOSE_FD,

    // Keep this as last and don't skip numbers as it is used as element counter
    NETDATA_FD_COUNTER
};

enum fd_syscalls {
    NETDATA_FD_SYSCALL_OPEN,
    NETDATA_FD_SYSCALL_CLOSE,

    // Do not insert nothing after this value
    NETDATA_FD_SYSCALL_END
};

enum fd_close_syscall {
    NETDATA_FD_CLOSE_FD,
    NETDATA_FD___CLOSE_FD,

    NETDATA_FD_CLOSE_END
};

#define NETDATA_EBPF_MAX_FD_TARGETS 2

void *ebpf_fd_thread(void *ptr);
void ebpf_fd_create_apps_charts(struct ebpf_module *em, void *ptr);
void ebpf_fd_release(netdata_fd_stat_t *stat);
extern struct config fd_config;
extern netdata_ebpf_targets_t fd_targets[];

#endif /* NETDATA_EBPF_FD_H */