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