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 */ 9 struct 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 17 struct probe_cache { 18 int fd; 19 struct list_head entries; 20 }; 21 22 #define PF_FL_UPROBE 1 23 #define PF_FL_RW 2 24 #define for_each_probe_cache_entry(entry, pcache) \ 25 list_for_each_entry(entry, &pcache->entries, node) 26 27 /* probe-file.c depends on libelf */ 28 #ifdef HAVE_LIBELF_SUPPORT 29 int probe_file__open(int flag); 30 int probe_file__open_both(int *kfd, int *ufd, int flag); 31 struct strlist *probe_file__get_namelist(int fd); 32 struct strlist *probe_file__get_rawlist(int fd); 33 int probe_file__add_event(int fd, struct probe_trace_event *tev); 34 int probe_file__del_events(int fd, struct strfilter *filter); 35 int probe_file__get_events(int fd, struct strfilter *filter, 36 struct strlist *plist); 37 int probe_file__del_strlist(int fd, struct strlist *namelist); 38 39 int probe_cache_entry__get_event(struct probe_cache_entry *entry, 40 struct probe_trace_event **tevs); 41 42 struct probe_cache *probe_cache__new(const char *target); 43 int probe_cache__add_entry(struct probe_cache *pcache, 44 struct perf_probe_event *pev, 45 struct probe_trace_event *tevs, int ntevs); 46 int probe_cache__scan_sdt(struct probe_cache *pcache, const char *pathname); 47 int probe_cache__commit(struct probe_cache *pcache); 48 void probe_cache__purge(struct probe_cache *pcache); 49 void probe_cache__delete(struct probe_cache *pcache); 50 int probe_cache__filter_purge(struct probe_cache *pcache, 51 struct strfilter *filter); 52 struct probe_cache_entry *probe_cache__find(struct probe_cache *pcache, 53 struct perf_probe_event *pev); 54 struct probe_cache_entry *probe_cache__find_by_name(struct probe_cache *pcache, 55 const char *group, const char *event); 56 int probe_cache__show_all_caches(struct strfilter *filter); 57 #else /* ! HAVE_LIBELF_SUPPORT */ 58 static inline struct probe_cache *probe_cache__new(const char *tgt __maybe_unused) 59 { 60 return NULL; 61 } 62 #define probe_cache__delete(pcache) do {} while (0) 63 #endif 64 #endif 65