thread.h
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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 */