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