Contributors: 12
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Jiri Olsa |
116 |
32.58% |
6 |
23.08% |
| Yonghong Song |
73 |
20.51% |
5 |
19.23% |
| Rong Tao |
43 |
12.08% |
1 |
3.85% |
| Alexei Starovoitov |
43 |
12.08% |
4 |
15.38% |
| Andrii Nakryiko |
22 |
6.18% |
3 |
11.54% |
| Brendan Gregg |
18 |
5.06% |
1 |
3.85% |
| Ihor Solodrai |
14 |
3.93% |
1 |
3.85% |
| Menglong Dong |
13 |
3.65% |
1 |
3.85% |
| Hao Luo |
10 |
2.81% |
1 |
3.85% |
| Jakub Kiciński |
2 |
0.56% |
1 |
3.85% |
| Toke Höiland-Jörgensen |
1 |
0.28% |
1 |
3.85% |
| Greg Kroah-Hartman |
1 |
0.28% |
1 |
3.85% |
| Total |
356 |
|
26 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __TRACE_HELPER_H
#define __TRACE_HELPER_H
#include <bpf/libbpf.h>
#ifdef __x86_64__
#define SYS_PREFIX "__x64_"
#elif defined(__s390x__)
#define SYS_PREFIX "__s390x_"
#elif defined(__aarch64__)
#define SYS_PREFIX "__arm64_"
#elif defined(__riscv)
#define SYS_PREFIX "__riscv_"
#else
#define SYS_PREFIX ""
#endif
#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask))
#define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a)-1)
struct ksym {
long addr;
char *name;
};
struct ksyms {
struct ksym *syms;
size_t sym_cap;
size_t sym_cnt;
char **filtered_syms;
size_t filtered_cnt;
};
typedef int (*ksym_cmp_t)(const void *p1, const void *p2);
typedef int (*ksym_search_cmp_t)(const void *p1, const struct ksym *p2);
int load_kallsyms(void);
struct ksym *ksym_search(long key);
long ksym_get_addr(const char *name);
struct ksyms *load_kallsyms_local(void);
struct ksym *ksym_search_local(struct ksyms *ksyms, long key);
long ksym_get_addr_local(struct ksyms *ksyms, const char *name);
void free_kallsyms_local(struct ksyms *ksyms);
struct ksyms *load_kallsyms_custom_local(ksym_cmp_t cmp_cb);
struct ksym *search_kallsyms_custom_local(struct ksyms *ksyms, const void *p1,
ksym_search_cmp_t cmp_cb);
/* open kallsyms and find addresses on the fly, faster than load + search. */
int kallsyms_find(const char *sym, unsigned long long *addr);
void read_trace_pipe(void);
int read_trace_pipe_iter(void (*cb)(const char *str, void *data),
void *data, int iter);
ssize_t get_uprobe_offset(const void *addr);
ssize_t get_rel_offset(uintptr_t addr);
int read_build_id(const char *path, char *build_id, size_t size);
int bpf_get_ksyms(struct ksyms **ksymsp, bool kernel);
int bpf_get_addrs(unsigned long **addrsp, size_t *cntp, bool kernel);
#endif