195 lines
5.6 KiB
C
195 lines
5.6 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
#ifndef NETDATA_COLLECTOR_EBPF_H
|
|
#define NETDATA_COLLECTOR_EBPF_H 1
|
|
|
|
#ifndef __FreeBSD__
|
|
#include <linux/perf_event.h>
|
|
#endif
|
|
#include <stdint.h>
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <dlfcn.h>
|
|
|
|
#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"
|
|
#include "libnetdata/procfile/procfile.h"
|
|
#include "daemon/main.h"
|
|
|
|
#include "ebpf_apps.h"
|
|
|
|
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;
|
|
|
|
extern ebpf_module_t ebpf_modules[];
|
|
#define EBPF_MODULE_PROCESS_IDX 0
|
|
#define EBPF_MODULE_SOCKET_IDX 1
|
|
|
|
// Copied from musl header
|
|
#ifndef offsetof
|
|
#if __GNUC__ > 3
|
|
#define offsetof(type, member) __builtin_offsetof(type, member)
|
|
#else
|
|
#define offsetof(type, member) ((size_t)((char *)&(((type *)0)->member) - (char *)0))
|
|
#endif
|
|
#endif
|
|
|
|
// Chart defintions
|
|
#define NETDATA_EBPF_FAMILY "ebpf"
|
|
|
|
// 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
|
|
|
|
#define EBPF_SYS_CLONE_IDX 11
|
|
#define EBPF_MAX_MAPS 32
|
|
|
|
// Threads
|
|
extern void *ebpf_process_thread(void *ptr);
|
|
extern void *ebpf_socket_thread(void *ptr);
|
|
|
|
// Common variables
|
|
extern pthread_mutex_t lock;
|
|
extern int close_ebpf_plugin;
|
|
extern int ebpf_nprocs;
|
|
extern int running_on_kernel;
|
|
extern char *ebpf_plugin_dir;
|
|
extern char kernel_string[64];
|
|
|
|
extern pthread_mutex_t collect_data_mutex;
|
|
extern pthread_cond_t collect_data_cond_var;
|
|
|
|
// Common functions
|
|
extern void ebpf_global_labels(netdata_syscall_stat_t *is,
|
|
netdata_publish_syscall_t *pio,
|
|
char **dim,
|
|
char **name,
|
|
int end);
|
|
|
|
extern void ebpf_write_chart_cmd(char *type,
|
|
char *id,
|
|
char *title,
|
|
char *units,
|
|
char *family,
|
|
char *charttype,
|
|
int order);
|
|
|
|
extern void ebpf_write_global_dimension(char *n, char *d);
|
|
|
|
extern void ebpf_create_global_dimension(void *ptr, int end);
|
|
|
|
extern void ebpf_create_chart(char *type,
|
|
char *id,
|
|
char *title,
|
|
char *units,
|
|
char *family,
|
|
int order,
|
|
void (*ncd)(void *, int),
|
|
void *move,
|
|
int end);
|
|
|
|
extern void write_begin_chart(char *family, char *name);
|
|
|
|
extern void write_chart_dimension(char *dim, long long value);
|
|
|
|
extern void write_count_chart(char *name, char *family, netdata_publish_syscall_t *move, uint32_t end);
|
|
|
|
extern void write_err_chart(char *name, char *family, netdata_publish_syscall_t *move, int end);
|
|
|
|
extern void write_io_chart(char *chart, char *family, char *dwrite, char *dread, netdata_publish_vfs_common_t *pvc);
|
|
|
|
extern void fill_ebpf_data(ebpf_data_t *ef);
|
|
|
|
extern void ebpf_create_charts_on_apps(char *name,
|
|
char *title,
|
|
char *units,
|
|
char *family,
|
|
int order,
|
|
struct target *root);
|
|
|
|
extern void write_end_chart();
|
|
|
|
#define EBPF_GLOBAL_SECTION "global"
|
|
#define EBPF_PROGRAMS_SECTION "ebpf programs"
|
|
#define EBPF_NETWORK_VIEWER_SECTION "network connections"
|
|
#define EBPF_SERVICE_NAME_SECTION "service name"
|
|
|
|
#define EBPF_COMMON_DIMENSION_CALL "calls/s"
|
|
#define EBPF_COMMON_DIMENSION_BYTESS "bytes/s"
|
|
#define EBPF_COMMON_DIMENSION_DIFFERENCE "difference"
|
|
#define EBPF_COMMON_DIMENSION_PACKETS "packets"
|
|
|
|
// Common variables
|
|
extern char *ebpf_user_config_dir;
|
|
extern char *ebpf_stock_config_dir;
|
|
extern int debug_enabled;
|
|
extern struct pid_stat *root_of_pids;
|
|
|
|
// Socket functions and variables
|
|
// Common functions
|
|
extern void ebpf_socket_create_apps_charts(ebpf_module_t *em, struct target *root);
|
|
extern collected_number get_value_from_structure(char *basis, size_t offset);
|
|
extern struct pid_stat *root_of_pids;
|
|
extern ebpf_process_stat_t *global_process_stat;
|
|
extern size_t all_pids_count;
|
|
extern int update_every;
|
|
extern uint32_t finalized_threads;
|
|
|
|
#define EBPF_MAX_SYNCHRONIZATION_TIME 300
|
|
|
|
#endif /* NETDATA_COLLECTOR_EBPF_H */
|