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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef __PERF_THREAD_H
- #define __PERF_THREAD_H
- #include <linux/refcount.h>
- #include <linux/rbtree.h>
- #include <linux/list.h>
- #include <stdio.h>
- #include <unistd.h>
- #include <sys/types.h>
- #include "srccode.h"
- #include "symbol_conf.h"
- #include <strlist.h>
- #include <intlist.h>
- #include "rwsem.h"
- #include "event.h"
- #include "callchain.h"
- struct addr_location;
- struct map;
- struct perf_record_namespaces;
- struct thread_stack;
- struct unwind_libunwind_ops;
- struct lbr_stitch {
- struct list_head lists;
- struct list_head free_lists;
- struct perf_sample prev_sample;
- struct callchain_cursor_node *prev_lbr_cursor;
- };
- struct thread {
- union {
- struct rb_node rb_node;
- struct list_head node;
- };
- struct maps *maps;
- pid_t pid_; /* Not all tools update this */
- pid_t tid;
- pid_t ppid;
- int cpu;
- refcount_t refcnt;
- bool comm_set;
- int comm_len;
- bool dead; /* if set thread has exited */
- struct list_head namespaces_list;
- struct rw_semaphore namespaces_lock;
- struct list_head comm_list;
- struct rw_semaphore comm_lock;
- u64 db_id;
- void *priv;
- struct thread_stack *ts;
- struct nsinfo *nsinfo;
- struct srccode_state srccode_state;
- bool filter;
- int filter_entry_depth;
- /* LBR call stack stitch */
- bool lbr_stitch_enable;
- struct lbr_stitch *lbr_stitch;
- };
- struct machine;
- struct namespaces;
- struct comm;
- struct thread *thread__new(pid_t pid, pid_t tid);
- int thread__init_maps(struct thread *thread, struct machine *machine);
- void thread__delete(struct thread *thread);
- struct thread *thread__get(struct thread *thread);
- void thread__put(struct thread *thread);
- static inline void __thread__zput(struct thread **thread)
- {
- thread__put(*thread);
- *thread = NULL;
- }
- #define thread__zput(thread) __thread__zput(&thread)
- static inline void thread__exited(struct thread *thread)
- {
- thread->dead = true;
- }
- struct namespaces *thread__namespaces(struct thread *thread);
- int thread__set_namespaces(struct thread *thread, u64 timestamp,
- struct perf_record_namespaces *event);
- int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
- bool exec);
- static inline int thread__set_comm(struct thread *thread, const char *comm,
- u64 timestamp)
- {
- return __thread__set_comm(thread, comm, timestamp, false);
- }
- int thread__set_comm_from_proc(struct thread *thread);
- int thread__comm_len(struct thread *thread);
- struct comm *thread__comm(const struct thread *thread);
- struct comm *thread__exec_comm(const struct thread *thread);
- const char *thread__comm_str(struct thread *thread);
- int thread__insert_map(struct thread *thread, struct map *map);
- int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone);
- size_t thread__fprintf(struct thread *thread, FILE *fp);
- struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
- struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
- struct addr_location *al);
- struct map *thread__find_map_fb(struct thread *thread, u8 cpumode, u64 addr,
- struct addr_location *al);
- struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode,
- u64 addr, struct addr_location *al);
- struct symbol *thread__find_symbol_fb(struct thread *thread, u8 cpumode,
- u64 addr, struct addr_location *al);
- void thread__find_cpumode_addr_location(struct thread *thread, u64 addr,
- struct addr_location *al);
- int thread__memcpy(struct thread *thread, struct machine *machine,
- void *buf, u64 ip, int len, bool *is64bit);
- static inline void *thread__priv(struct thread *thread)
- {
- return thread->priv;
- }
- static inline void thread__set_priv(struct thread *thread, void *p)
- {
- thread->priv = p;
- }
- static inline bool thread__is_filtered(struct thread *thread)
- {
- if (symbol_conf.comm_list &&
- !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
- return true;
- }
- if (symbol_conf.pid_list &&
- !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
- return true;
- }
- if (symbol_conf.tid_list &&
- !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
- return true;
- }
- return false;
- }
- void thread__free_stitch_list(struct thread *thread);
- #endif /* __PERF_THREAD_H */
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