| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jiri Olsa | 633 | 45.57% | 16 | 18.18% |
| Adrian Hunter | 278 | 20.01% | 20 | 22.73% |
| Arnaldo Carvalho de Melo | 244 | 17.57% | 20 | 22.73% |
| Namhyung Kim | 106 | 7.63% | 8 | 9.09% |
| Masami Hiramatsu | 37 | 2.66% | 2 | 2.27% |
| Song Liu | 22 | 1.58% | 1 | 1.14% |
| James Clark | 11 | 0.79% | 3 | 3.41% |
| Wang Nan | 10 | 0.72% | 3 | 3.41% |
| Krister Johansen | 7 | 0.50% | 2 | 2.27% |
| Fangrui Song | 6 | 0.43% | 1 | 1.14% |
| Milian Wolff | 6 | 0.43% | 2 | 2.27% |
| Davidlohr Bueso A | 6 | 0.43% | 2 | 2.27% |
| Ian Rogers | 5 | 0.36% | 1 | 1.14% |
| Sukadev Bhattiprolu | 5 | 0.36% | 1 | 1.14% |
| Waiman Long | 5 | 0.36% | 1 | 1.14% |
| Elena Reshetova | 2 | 0.14% | 1 | 1.14% |
| Gustavo A. R. Silva | 2 | 0.14% | 1 | 1.14% |
| Ricardo Ribalda Delgado | 2 | 0.14% | 1 | 1.14% |
| Ingo Molnar | 1 | 0.07% | 1 | 1.14% |
| Greg Kroah-Hartman | 1 | 0.07% | 1 | 1.14% |
| Total | 1389 | 88 |
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PERF_DSO #define __PERF_DSO #include <linux/refcount.h> #include <linux/types.h> #include <linux/rbtree.h> #include <sys/types.h> #include <stdbool.h> #include <stdio.h> #include <linux/bitops.h> #include "build-id.h" #include "mutex.h" struct machine; struct map; struct perf_env; #define DSO__NAME_KALLSYMS "[kernel.kallsyms]" #define DSO__NAME_KCORE "[kernel.kcore]" enum dso_binary_type { DSO_BINARY_TYPE__KALLSYMS = 0, DSO_BINARY_TYPE__GUEST_KALLSYMS, DSO_BINARY_TYPE__VMLINUX, DSO_BINARY_TYPE__GUEST_VMLINUX, DSO_BINARY_TYPE__JAVA_JIT, DSO_BINARY_TYPE__DEBUGLINK, DSO_BINARY_TYPE__BUILD_ID_CACHE, DSO_BINARY_TYPE__BUILD_ID_CACHE_DEBUGINFO, DSO_BINARY_TYPE__FEDORA_DEBUGINFO, DSO_BINARY_TYPE__UBUNTU_DEBUGINFO, DSO_BINARY_TYPE__MIXEDUP_UBUNTU_DEBUGINFO, DSO_BINARY_TYPE__BUILDID_DEBUGINFO, DSO_BINARY_TYPE__SYSTEM_PATH_DSO, DSO_BINARY_TYPE__GUEST_KMODULE, DSO_BINARY_TYPE__GUEST_KMODULE_COMP, DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE, DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE_COMP, DSO_BINARY_TYPE__KCORE, DSO_BINARY_TYPE__GUEST_KCORE, DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO, DSO_BINARY_TYPE__BPF_PROG_INFO, DSO_BINARY_TYPE__BPF_IMAGE, DSO_BINARY_TYPE__OOL, DSO_BINARY_TYPE__NOT_FOUND, }; enum dso_space_type { DSO_SPACE__USER = 0, DSO_SPACE__KERNEL, DSO_SPACE__KERNEL_GUEST }; enum dso_swap_type { DSO_SWAP__UNSET, DSO_SWAP__NO, DSO_SWAP__YES, }; enum dso_data_status { DSO_DATA_STATUS_ERROR = -1, DSO_DATA_STATUS_UNKNOWN = 0, DSO_DATA_STATUS_OK = 1, }; enum dso_data_status_seen { DSO_DATA_STATUS_SEEN_ITRACE, }; enum dso_type { DSO__TYPE_UNKNOWN, DSO__TYPE_64BIT, DSO__TYPE_32BIT, DSO__TYPE_X32BIT, }; enum dso_load_errno { DSO_LOAD_ERRNO__SUCCESS = 0, /* * Choose an arbitrary negative big number not to clash with standard * errno since SUS requires the errno has distinct positive values. * See 'Issue 6' in the link below. * * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html */ __DSO_LOAD_ERRNO__START = -10000, DSO_LOAD_ERRNO__INTERNAL_ERROR = __DSO_LOAD_ERRNO__START, /* for symsrc__init() */ DSO_LOAD_ERRNO__INVALID_ELF, DSO_LOAD_ERRNO__CANNOT_READ_BUILDID, DSO_LOAD_ERRNO__MISMATCHING_BUILDID, /* for decompress_kmodule */ DSO_LOAD_ERRNO__DECOMPRESSION_FAILURE, __DSO_LOAD_ERRNO__END, }; #define DSO__SWAP(dso, type, val) \ ({ \ type ____r = val; \ BUG_ON(dso->needs_swap == DSO_SWAP__UNSET); \ if (dso->needs_swap == DSO_SWAP__YES) { \ switch (sizeof(____r)) { \ case 2: \ ____r = bswap_16(val); \ break; \ case 4: \ ____r = bswap_32(val); \ break; \ case 8: \ ____r = bswap_64(val); \ break; \ default: \ BUG_ON(1); \ } \ } \ ____r; \ }) #define DSO__DATA_CACHE_SIZE 4096 #define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1) /* * Data about backing storage DSO, comes from PERF_RECORD_MMAP2 meta events */ struct dso_id { u32 maj; u32 min; u64 ino; u64 ino_generation; }; struct dso_cache { struct rb_node rb_node; u64 offset; u64 size; char data[]; }; struct auxtrace_cache; struct dso { struct mutex lock; struct list_head node; struct rb_node rb_node; /* rbtree node sorted by long name */ struct rb_root *root; /* root of rbtree that rb_node is in */ struct rb_root_cached symbols; struct rb_root_cached symbol_names; struct rb_root_cached inlined_nodes; struct rb_root_cached srclines; struct { u64 addr; struct symbol *symbol; } last_find_result; void *a2l; char *symsrc_filename; unsigned int a2l_fails; enum dso_space_type kernel; enum dso_swap_type needs_swap; enum dso_binary_type symtab_type; enum dso_binary_type binary_type; enum dso_load_errno load_errno; u8 adjust_symbols:1; u8 has_build_id:1; u8 header_build_id:1; u8 has_srcline:1; u8 hit:1; u8 annotate_warned:1; u8 auxtrace_warned:1; u8 short_name_allocated:1; u8 long_name_allocated:1; u8 is_64_bit:1; bool sorted_by_name; bool loaded; u8 rel; struct build_id bid; u64 text_offset; const char *short_name; const char *long_name; u16 long_name_len; u16 short_name_len; void *dwfl; /* DWARF debug info */ struct auxtrace_cache *auxtrace_cache; int comp; /* dso data file */ struct { struct rb_root cache; int fd; int status; u32 status_seen; u64 file_size; struct list_head open_entry; u64 elf_base_addr; u64 debug_frame_offset; u64 eh_frame_hdr_addr; u64 eh_frame_hdr_offset; } data; /* bpf prog information */ struct { u32 id; u32 sub_id; struct perf_env *env; } bpf_prog; union { /* Tool specific area */ void *priv; u64 db_id; }; struct nsinfo *nsinfo; struct dso_id id; refcount_t refcnt; char name[]; }; /* dso__for_each_symbol - iterate over the symbols of given type * * @dso: the 'struct dso *' in which symbols are iterated * @pos: the 'struct symbol *' to use as a loop cursor * @n: the 'struct rb_node *' to use as a temporary storage */ #define dso__for_each_symbol(dso, pos, n) \ symbols__for_each_entry(&(dso)->symbols, pos, n) #define dsos__for_each_with_build_id(pos, head) \ list_for_each_entry(pos, head, node) \ if (!pos->has_build_id) \ continue; \ else static inline void dso__set_loaded(struct dso *dso) { dso->loaded = true; } struct dso *dso__new_id(const char *name, struct dso_id *id); struct dso *dso__new(const char *name); void dso__delete(struct dso *dso); int dso__cmp_id(struct dso *a, struct dso *b); void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated); void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated); int dso__name_len(const struct dso *dso); struct dso *dso__get(struct dso *dso); void dso__put(struct dso *dso); static inline void __dso__zput(struct dso **dso) { dso__put(*dso); *dso = NULL; } #define dso__zput(dso) __dso__zput(&dso) bool dso__loaded(const struct dso *dso); static inline bool dso__has_symbols(const struct dso *dso) { return !RB_EMPTY_ROOT(&dso->symbols.rb_root); } bool dso__sorted_by_name(const struct dso *dso); void dso__set_sorted_by_name(struct dso *dso); void dso__sort_by_name(struct dso *dso); void dso__set_build_id(struct dso *dso, struct build_id *bid); bool dso__build_id_equal(const struct dso *dso, struct build_id *bid); void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine); int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir); char dso__symtab_origin(const struct dso *dso); int dso__read_binary_type_filename(const struct dso *dso, enum dso_binary_type type, char *root_dir, char *filename, size_t size); bool is_kernel_module(const char *pathname, int cpumode); bool dso__needs_decompress(struct dso *dso); int dso__decompress_kmodule_fd(struct dso *dso, const char *name); int dso__decompress_kmodule_path(struct dso *dso, const char *name, char *pathname, size_t len); int filename__decompress(const char *name, char *pathname, size_t len, int comp, int *err); #define KMOD_DECOMP_NAME "/tmp/perf-kmod-XXXXXX" #define KMOD_DECOMP_LEN sizeof(KMOD_DECOMP_NAME) struct kmod_path { char *name; int comp; bool kmod; }; int __kmod_path__parse(struct kmod_path *m, const char *path, bool alloc_name); #define kmod_path__parse(__m, __p) __kmod_path__parse(__m, __p, false) #define kmod_path__parse_name(__m, __p) __kmod_path__parse(__m, __p, true) void dso__set_module_info(struct dso *dso, struct kmod_path *m, struct machine *machine); /* * The dso__data_* external interface provides following functions: * dso__data_get_fd * dso__data_put_fd * dso__data_close * dso__data_size * dso__data_read_offset * dso__data_read_addr * dso__data_write_cache_offs * dso__data_write_cache_addr * * Please refer to the dso.c object code for each function and * arguments documentation. Following text tries to explain the * dso file descriptor caching. * * The dso__data* interface allows caching of opened file descriptors * to speed up the dso data accesses. The idea is to leave the file * descriptor opened ideally for the whole life of the dso object. * * The current usage of the dso__data_* interface is as follows: * * Get DSO's fd: * int fd = dso__data_get_fd(dso, machine); * if (fd >= 0) { * USE 'fd' SOMEHOW * dso__data_put_fd(dso); * } * * Read DSO's data: * n = dso__data_read_offset(dso_0, &machine, 0, buf, BUFSIZE); * n = dso__data_read_addr(dso_0, &machine, 0, buf, BUFSIZE); * * Eventually close DSO's fd: * dso__data_close(dso); * * It is not necessary to close the DSO object data file. Each time new * DSO data file is opened, the limit (RLIMIT_NOFILE/2) is checked. Once * it is crossed, the oldest opened DSO object is closed. * * The dso__delete function calls close_dso function to ensure the * data file descriptor gets closed/unmapped before the dso object * is freed. * * TODO */ int dso__data_get_fd(struct dso *dso, struct machine *machine); void dso__data_put_fd(struct dso *dso); void dso__data_close(struct dso *dso); int dso__data_file_size(struct dso *dso, struct machine *machine); off_t dso__data_size(struct dso *dso, struct machine *machine); ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, u64 offset, u8 *data, ssize_t size); ssize_t dso__data_read_addr(struct dso *dso, struct map *map, struct machine *machine, u64 addr, u8 *data, ssize_t size); bool dso__data_status_seen(struct dso *dso, enum dso_data_status_seen by); ssize_t dso__data_write_cache_offs(struct dso *dso, struct machine *machine, u64 offset, const u8 *data, ssize_t size); ssize_t dso__data_write_cache_addr(struct dso *dso, struct map *map, struct machine *machine, u64 addr, const u8 *data, ssize_t size); struct map *dso__new_map(const char *name); struct dso *machine__findnew_kernel(struct machine *machine, const char *name, const char *short_name, int dso_type); void dso__reset_find_symbol_cache(struct dso *dso); size_t dso__fprintf_symbols_by_name(struct dso *dso, FILE *fp); size_t dso__fprintf(struct dso *dso, FILE *fp); static inline bool dso__is_vmlinux(struct dso *dso) { return dso->binary_type == DSO_BINARY_TYPE__VMLINUX || dso->binary_type == DSO_BINARY_TYPE__GUEST_VMLINUX; } static inline bool dso__is_kcore(struct dso *dso) { return dso->binary_type == DSO_BINARY_TYPE__KCORE || dso->binary_type == DSO_BINARY_TYPE__GUEST_KCORE; } static inline bool dso__is_kallsyms(struct dso *dso) { return dso->kernel && dso->long_name[0] != '/'; } void dso__free_a2l(struct dso *dso); enum dso_type dso__type(struct dso *dso, struct machine *machine); int dso__strerror_load(struct dso *dso, char *buf, size_t buflen); void reset_fd_limit(void); #endif /* __PERF_DSO */
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