diff options
Diffstat (limited to 'tools/perf/util/auxtrace.h')
| -rw-r--r-- | tools/perf/util/auxtrace.h | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index 2071b36560a0..7ab4850703f0 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -18,13 +18,18 @@ #include <sys/types.h> #include <stdbool.h> - +#include <stddef.h> #include <linux/perf_event.h> #include <linux/types.h> #include "../perf.h" +union perf_event; +struct perf_session; struct perf_evlist; +struct perf_tool; +struct record_opts; +struct auxtrace_info_event; /** * struct auxtrace_mmap - records an mmap of the auxtrace buffer. @@ -70,6 +75,29 @@ struct auxtrace_mmap_params { int cpu; }; +/** + * struct auxtrace_record - callbacks for recording AUX area data. + * @recording_options: validate and process recording options + * @info_priv_size: return the size of the private data in auxtrace_info_event + * @info_fill: fill-in the private data in auxtrace_info_event + * @free: free this auxtrace record structure + * @reference: provide a 64-bit reference number for auxtrace_event + * @read_finish: called after reading from an auxtrace mmap + */ +struct auxtrace_record { + int (*recording_options)(struct auxtrace_record *itr, + struct perf_evlist *evlist, + struct record_opts *opts); + size_t (*info_priv_size)(struct auxtrace_record *itr); + int (*info_fill)(struct auxtrace_record *itr, + struct perf_session *session, + struct auxtrace_info_event *auxtrace_info, + size_t priv_size); + void (*free)(struct auxtrace_record *itr); + u64 (*reference)(struct auxtrace_record *itr); + int (*read_finish)(struct auxtrace_record *itr, int idx); +}; + static inline u64 auxtrace_mmap__read_head(struct auxtrace_mmap *mm) { struct perf_event_mmap_page *pc = mm->userpg; @@ -114,4 +142,30 @@ void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp, struct perf_evlist *evlist, int idx, bool per_cpu); +typedef int (*process_auxtrace_t)(struct perf_tool *tool, + union perf_event *event, void *data1, + size_t len1, void *data2, size_t len2); + +int auxtrace_mmap__read(struct auxtrace_mmap *mm, struct auxtrace_record *itr, + struct perf_tool *tool, process_auxtrace_t fn); + +struct auxtrace_record *auxtrace_record__init(struct perf_evlist *evlist, + int *err); + +int auxtrace_record__options(struct auxtrace_record *itr, + struct perf_evlist *evlist, + struct record_opts *opts); +size_t auxtrace_record__info_priv_size(struct auxtrace_record *itr); +int auxtrace_record__info_fill(struct auxtrace_record *itr, + struct perf_session *session, + struct auxtrace_info_event *auxtrace_info, + size_t priv_size); +void auxtrace_record__free(struct auxtrace_record *itr); +u64 auxtrace_record__reference(struct auxtrace_record *itr); + +int perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr, + struct perf_tool *tool, + struct perf_session *session, + perf_event__handler_t process); + #endif |