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#ifndef _NETDATA_VFS_EBPF_H_
# define _NETDATA_VFS_EBPF_H_ 1
# include <stdint.h>
#ifndef __FreeBSD__
# include <linux/perf_event.h>
# endif
# include <stdint.h>
# include <errno.h>
# include <signal.h>
# include <stdio.h>
# include <stdint.h>
# include <stdlib.h>
# include <string.h>
# include <unistd.h>
# include <dlfcn.h>
# define NETDATA_GLOBAL_VECTOR 24
# define NETDATA_MAX_MONITOR_VECTOR 9
# define NETDATA_VFS_ERRORS 3
# define NETDATA_PROCESS_ERRORS 4
# define NETDATA_DEL_START 2
# define NETDATA_IN_START_BYTE 3
# define NETDATA_EXIT_START 5
# define NETDATA_PROCESS_START 7
# define NETDATA_PROCESS_RUNNING_COUNT 9
# define NETDATA_EBPF_PROCESS_THREADS (uint32_t)3
# include <fcntl.h>
# include <ctype.h>
# include <dirent.h>
//From libnetdata.h
# include "../../libnetdata/threads/threads.h"
# include "../../libnetdata/locks/locks.h"
# include "../../libnetdata/avl/avl.h"
# include "../../libnetdata/clocks/clocks.h"
# include "../../libnetdata/config/appconfig.h"
# include "../../libnetdata/ebpf/ebpf.h"
typedef enum {
MODE_RETURN = 0, //This attaches kprobe when the function returns
MODE_DEVMODE, //This stores log given description about the errors raised
MODE_ENTRY //This attaches kprobe when the function is called
} netdata_run_mode_t;
typedef struct netdata_syscall_stat {
unsigned long bytes; //total number of bytes
uint64_t call; //total number of calls
uint64_t ecall; //number of calls that returned error
struct netdata_syscall_stat *next; //Link list
}netdata_syscall_stat_t;
typedef uint64_t netdata_idx_t;
typedef struct netdata_publish_syscall {
char *dimension;
char *name;
unsigned long nbyte;
unsigned long pbyte;
uint64_t ncall;
uint64_t pcall;
uint64_t nerr;
uint64_t perr;
struct netdata_publish_syscall *next;
}netdata_publish_syscall_t;
typedef struct netdata_publish_vfs_common {
long write;
long read;
long running;
long zombie;
}netdata_publish_vfs_common_t;
typedef struct netdata_error_report {
char comm[16];
__u32 pid;
int type;
int err;
}netdata_error_report_t;
//Chart defintions
# define NETDATA_EBPF_FAMILY "ebpf"
# define NETDATA_FILE_GROUP "File"
# define NETDATA_VFS_GROUP "VFS"
# define NETDATA_PROCESS_GROUP "Process"
# define NETDATA_FILE_OPEN_CLOSE_COUNT "file_descriptor"
# define NETDATA_FILE_OPEN_ERR_COUNT "file_error"
# define NETDATA_VFS_FILE_CLEAN_COUNT "deleted_objects"
# define NETDATA_VFS_FILE_IO_COUNT "io"
# define NETDATA_VFS_FILE_ERR_COUNT "io_error"
# define NETDATA_EXIT_SYSCALL "exit"
# define NETDATA_PROCESS_SYSCALL "process_thread"
# define NETDATA_PROCESS_ERROR_NAME "task_error"
# define NETDATA_PROCESS_STATUS_NAME "process_status"
# define NETDATA_VFS_IO_FILE_BYTES "io_bytes"
# define NETDATA_VFS_DIM_IN_FILE_BYTES "write"
# define NETDATA_VFS_DIM_OUT_FILE_BYTES "read"
//Log file
# define NETDATA_DEVELOPER_LOG_FILE "developer.log"
//Maximum number of processors monitored on perf events
# define NETDATA_MAX_PROCESSOR 512
//Kernel versions calculated with the formula:
// R = MAJOR*65536 + MINOR*256 + PATCH
# define NETDATA_KERNEL_V5_3 328448
# define NETDATA_KERNEL_V4_15 265984
//Index from kernel
# define NETDATA_KEY_CALLS_DO_SYS_OPEN 0
# define NETDATA_KEY_ERROR_DO_SYS_OPEN 1
# define NETDATA_KEY_CALLS_VFS_WRITE 2
# define NETDATA_KEY_ERROR_VFS_WRITE 3
# define NETDATA_KEY_BYTES_VFS_WRITE 4
# define NETDATA_KEY_CALLS_VFS_READ 5
# define NETDATA_KEY_ERROR_VFS_READ 6
# define NETDATA_KEY_BYTES_VFS_READ 7
# define NETDATA_KEY_CALLS_VFS_UNLINK 8
# define NETDATA_KEY_ERROR_VFS_UNLINK 9
# define NETDATA_KEY_CALLS_DO_EXIT 10
# define NETDATA_KEY_CALLS_RELEASE_TASK 11
# define NETDATA_KEY_CALLS_DO_FORK 12
# define NETDATA_KEY_ERROR_DO_FORK 13
# define NETDATA_KEY_CALLS_CLOSE_FD 14
# define NETDATA_KEY_ERROR_CLOSE_FD 15
# define NETDATA_KEY_CALLS_SYS_CLONE 16
# define NETDATA_KEY_ERROR_SYS_CLONE 17
# define NETDATA_KEY_CALLS_VFS_WRITEV 18
# define NETDATA_KEY_ERROR_VFS_WRITEV 19
# define NETDATA_KEY_BYTES_VFS_WRITEV 20
# define NETDATA_KEY_CALLS_VFS_READV 21
# define NETDATA_KEY_ERROR_VFS_READV 22
# define NETDATA_KEY_BYTES_VFS_READV 23
#endif
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