#undef TRACE_SYSTEM #define TRACE_SYSTEM bpf #if !defined(_TRACE_BPF_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_BPF_H #include <linux/filter.h> #include <linux/bpf.h> #include <linux/fs.h> #include <linux/tracepoint.h> #define __PROG_TYPE_MAP(FN) \ FN(SOCKET_FILTER) \ FN(KPROBE) \ FN(SCHED_CLS) \ FN(SCHED_ACT) \ FN(TRACEPOINT) \ FN(XDP) \ FN(PERF_EVENT) \ FN(CGROUP_SKB) \ FN(CGROUP_SOCK) \ FN(LWT_IN) \ FN(LWT_OUT) \ FN(LWT_XMIT) #define __MAP_TYPE_MAP(FN) \ FN(HASH) \ FN(ARRAY) \ FN(PROG_ARRAY) \ FN(PERF_EVENT_ARRAY) \ FN(PERCPU_HASH) \ FN(PERCPU_ARRAY) \ FN(STACK_TRACE) \ FN(CGROUP_ARRAY) \ FN(LRU_HASH) \ FN(LRU_PERCPU_HASH) \ FN(LPM_TRIE) #define __PROG_TYPE_TP_FN(x) \ TRACE_DEFINE_ENUM(BPF_PROG_TYPE_##x); #define __PROG_TYPE_SYM_FN(x) \ { BPF_PROG_TYPE_##x, #x }, #define __PROG_TYPE_SYM_TAB \ __PROG_TYPE_MAP(__PROG_TYPE_SYM_FN) { -1, 0 } __PROG_TYPE_MAP(__PROG_TYPE_TP_FN) #define __MAP_TYPE_TP_FN(x) \ TRACE_DEFINE_ENUM(BPF_MAP_TYPE_##x); #define __MAP_TYPE_SYM_FN(x) \ { BPF_MAP_TYPE_##x, #x }, #define __MAP_TYPE_SYM_TAB \ __MAP_TYPE_MAP(__MAP_TYPE_SYM_FN) { -1, 0 } __MAP_TYPE_MAP(__MAP_TYPE_TP_FN) DECLARE_EVENT_CLASS(bpf_prog_event, TP_PROTO(const struct bpf_prog *prg), TP_ARGS(prg), TP_STRUCT__entry( __array(u8, prog_tag, 8) __field(u32, type) ), TP_fast_assign( BUILD_BUG_ON(sizeof(__entry->prog_tag) != sizeof(prg->tag)); memcpy(__entry->prog_tag, prg->tag, sizeof(prg->tag)); __entry->type = prg->type; ), TP_printk("prog=%s type=%s", __print_hex_str(__entry->prog_tag, 8), __print_symbolic(__entry->type, __PROG_TYPE_SYM_TAB)) ); DEFINE_EVENT(bpf_prog_event, bpf_prog_get_type, TP_PROTO(const struct bpf_prog *prg), TP_ARGS(prg) ); DEFINE_EVENT(bpf_prog_event, bpf_prog_put_rcu, TP_PROTO(const struct bpf_prog *prg), TP_ARGS(prg) ); TRACE_EVENT(bpf_prog_load, TP_PROTO(const struct bpf_prog *prg, int ufd), TP_ARGS(prg, ufd), TP_STRUCT__entry( __array(u8, prog_tag, 8) __field(u32, type) __field(int, ufd) ), TP_fast_assign( BUILD_BUG_ON(sizeof(__entry->prog_tag) != sizeof(prg->tag)); memcpy(__entry->prog_tag, prg->tag, sizeof(prg->tag)); __entry->type = prg->type; __entry->ufd = ufd; ), TP_printk("prog=%s type=%s ufd=%d", __print_hex_str(__entry->prog_tag, 8), __print_symbolic(__entry->type, __PROG_TYPE_SYM_TAB), __entry->ufd) ); TRACE_EVENT(bpf_map_create, TP_PROTO(const struct bpf_map *map, int ufd), TP_ARGS(map, ufd), TP_STRUCT__entry( __field(u32, type) __field(u32, size_key) __field(u32, size_value) __field(u32, max_entries) __field(u32, flags) __field(int, ufd) ), TP_fast_assign( __entry->type = map->map_type; __entry->size_key = map->key_size; __entry->size_value = map->value_size; __entry->max_entries = map->max_entries; __entry->flags = map->map_flags; __entry->ufd = ufd; ), TP_printk("map type=%s ufd=%d key=%u val=%u max=%u flags=%x", __print_symbolic(__entry->type, __MAP_TYPE_SYM_TAB), __entry->ufd, __entry->size_key, __entry->size_value, __entry->max_entries, __entry->flags) ); DECLARE_EVENT_CLASS(bpf_obj_prog, TP_PROTO(const struct bpf_prog *prg, int ufd, const struct filename *pname), TP_ARGS(prg, ufd, pname), TP_STRUCT__entry( __array(u8, prog_tag, 8) __field(int, ufd) __string(path, pname->name) ), TP_fast_assign( BUILD_BUG_ON(sizeof(__entry->prog_tag) != sizeof(prg->tag)); memcpy(__entry->prog_tag, prg->tag, sizeof(prg->tag)); __assign_str(path, pname->name); __entry->ufd = ufd; ), TP_printk("prog=%s path=%s ufd=%d", __print_hex_str(__entry->prog_tag, 8), __get_str(path), __entry->ufd) ); DEFINE_EVENT(bpf_obj_prog, bpf_obj_pin_prog, TP_PROTO(const struct bpf_prog *prg, int ufd, const struct filename *pname), TP_ARGS(prg, ufd, pname) ); DEFINE_EVENT(bpf_obj_prog, bpf_obj_get_prog, TP_PROTO(const struct bpf_prog *prg, int ufd, const struct filename *pname), TP_ARGS(prg, ufd, pname) ); DECLARE_EVENT_CLASS(bpf_obj_map, TP_PROTO(const struct bpf_map *map, int ufd, const struct filename *pname), TP_ARGS(map, ufd, pname), TP_STRUCT__entry( __field(u32, type) __field(int, ufd) __string(path, pname->name) ), TP_fast_assign( __assign_str(path, pname->name); __entry->type = map->map_type; __entry->ufd = ufd; ), TP_printk("map type=%s ufd=%d path=%s", __print_symbolic(__entry->type, __MAP_TYPE_SYM_TAB), __entry->ufd, __get_str(path)) ); DEFINE_EVENT(bpf_obj_map, bpf_obj_pin_map, TP_PROTO(const struct bpf_map *map, int ufd, const struct filename *pname), TP_ARGS(map, ufd, pname) ); DEFINE_EVENT(bpf_obj_map, bpf_obj_get_map, TP_PROTO(const struct bpf_map *map, int ufd, const struct filename *pname), TP_ARGS(map, ufd, pname) ); DECLARE_EVENT_CLASS(bpf_map_keyval, TP_PROTO(const struct bpf_map *map, int ufd, const void *key, const void *val), TP_ARGS(map, ufd, key, val), TP_STRUCT__entry( __field(u32, type) __field(u32, key_len) __dynamic_array(u8, key, map->key_size) __field(bool, key_trunc) __field(u32, val_len) __dynamic_array(u8, val, map->value_size) __field(bool, val_trunc) __field(int, ufd) ), TP_fast_assign( memcpy(__get_dynamic_array(key), key, map->key_size); memcpy(__get_dynamic_array(val), val, map->value_size); __entry->type = map->map_type; __entry->key_len = min(map->key_size, 16U); __entry->key_trunc = map->key_size != __entry->key_len; __entry->val_len = min(map->value_size, 16U); __entry->val_trunc = map->value_size != __entry->val_len; __entry->ufd = ufd; ), TP_printk("map type=%s ufd=%d key=[%s%s] val=[%s%s]", __print_symbolic(__entry->type, __MAP_TYPE_SYM_TAB), __entry->ufd, __print_hex(__get_dynamic_array(key), __entry->key_len), __entry->key_trunc ? " ..." : "", __print_hex(__get_dynamic_array(val), __entry->val_len), __entry->val_trunc ? " ..." : "") ); DEFINE_EVENT(bpf_map_keyval, bpf_map_lookup_elem, TP_PROTO(const struct bpf_map *map, int ufd, const void *key, const void *val), TP_ARGS(map, ufd, key, val) ); DEFINE_EVENT(bpf_map_keyval, bpf_map_update_elem, TP_PROTO(const struct bpf_map *map, int ufd, const void *key, const void *val), TP_ARGS(map, ufd, key, val) ); TRACE_EVENT(bpf_map_delete_elem, TP_PROTO(const struct bpf_map *map, int ufd, const void *key), TP_ARGS(map, ufd, key), TP_STRUCT__entry( __field(u32, type) __field(u32, key_len) __dynamic_array(u8, key, map->key_size) __field(bool, key_trunc) __field(int, ufd) ), TP_fast_assign( memcpy(__get_dynamic_array(key), key, map->key_size); __entry->type = map->map_type; __entry->key_len = min(map->key_size, 16U); __entry->key_trunc = map->key_size != __entry->key_len; __entry->ufd = ufd; ), TP_printk("map type=%s ufd=%d key=[%s%s]", __print_symbolic(__entry->type, __MAP_TYPE_SYM_TAB), __entry->ufd, __print_hex(__get_dynamic_array(key), __entry->key_len), __entry->key_trunc ? " ..." : "") ); TRACE_EVENT(bpf_map_next_key, TP_PROTO(const struct bpf_map *map, int ufd, const void *key, const void *key_next), TP_ARGS(map, ufd, key, key_next), TP_STRUCT__entry( __field(u32, type) __field(u32, key_len) __dynamic_array(u8, key, map->key_size) __dynamic_array(u8, nxt, map->key_size) __field(bool, key_trunc) __field(int, ufd) ), TP_fast_assign( memcpy(__get_dynamic_array(key), key, map->key_size); memcpy(__get_dynamic_array(nxt), key_next, map->key_size); __entry->type = map->map_type; __entry->key_len = min(map->key_size, 16U); __entry->key_trunc = map->key_size != __entry->key_len; __entry->ufd = ufd; ), TP_printk("map type=%s ufd=%d key=[%s%s] next=[%s%s]", __print_symbolic(__entry->type, __MAP_TYPE_SYM_TAB), __entry->ufd, __print_hex(__get_dynamic_array(key), __entry->key_len), __entry->key_trunc ? " ..." : "", __print_hex(__get_dynamic_array(nxt), __entry->key_len), __entry->key_trunc ? " ..." : "") ); #endif /* _TRACE_BPF_H */ #include <trace/define_trace.h>