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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1#ifndef __PROBE_FILE_H
2#define __PROBE_FILE_H
3
4#include "strlist.h"
5#include "strfilter.h"
6#include "probe-event.h"
7
8/* Cache of probe definitions */
9struct probe_cache_entry {
10 struct list_head node;
11 bool sdt;
12 struct perf_probe_event pev;
13 char *spev;
14 struct strlist *tevlist;
15};
16
17struct probe_cache {
18 int fd;
19 struct list_head entries;
20};
21
22enum probe_type {
23 PROBE_TYPE_U = 0,
24 PROBE_TYPE_S,
25 PROBE_TYPE_X,
26 PROBE_TYPE_STRING,
27 PROBE_TYPE_BITFIELD,
28 PROBE_TYPE_END,
29};
30
31#define PF_FL_UPROBE 1
32#define PF_FL_RW 2
33#define for_each_probe_cache_entry(entry, pcache) \
34 list_for_each_entry(entry, &pcache->entries, node)
35
36/* probe-file.c depends on libelf */
37#ifdef HAVE_LIBELF_SUPPORT
38int probe_file__open(int flag);
39int probe_file__open_both(int *kfd, int *ufd, int flag);
40struct strlist *probe_file__get_namelist(int fd);
41struct strlist *probe_file__get_rawlist(int fd);
42int probe_file__add_event(int fd, struct probe_trace_event *tev);
43int probe_file__del_events(int fd, struct strfilter *filter);
44int probe_file__get_events(int fd, struct strfilter *filter,
45 struct strlist *plist);
46int probe_file__del_strlist(int fd, struct strlist *namelist);
47
48int probe_cache_entry__get_event(struct probe_cache_entry *entry,
49 struct probe_trace_event **tevs);
50
51struct probe_cache *probe_cache__new(const char *target);
52int probe_cache__add_entry(struct probe_cache *pcache,
53 struct perf_probe_event *pev,
54 struct probe_trace_event *tevs, int ntevs);
55int probe_cache__scan_sdt(struct probe_cache *pcache, const char *pathname);
56int probe_cache__commit(struct probe_cache *pcache);
57void probe_cache__purge(struct probe_cache *pcache);
58void probe_cache__delete(struct probe_cache *pcache);
59int probe_cache__filter_purge(struct probe_cache *pcache,
60 struct strfilter *filter);
61struct probe_cache_entry *probe_cache__find(struct probe_cache *pcache,
62 struct perf_probe_event *pev);
63struct probe_cache_entry *probe_cache__find_by_name(struct probe_cache *pcache,
64 const char *group, const char *event);
65int probe_cache__show_all_caches(struct strfilter *filter);
66bool probe_type_is_available(enum probe_type type);
67#else /* ! HAVE_LIBELF_SUPPORT */
68static inline struct probe_cache *probe_cache__new(const char *tgt __maybe_unused)
69{
70 return NULL;
71}
72#define probe_cache__delete(pcache) do {} while (0)
73#endif
74#endif