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v5.4
  1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef __PERF_THREAD_H
  3#define __PERF_THREAD_H
  4
  5#include <linux/refcount.h>
  6#include <linux/rbtree.h>
  7#include <linux/list.h>
  8#include <stdio.h>
  9#include <unistd.h>
 10#include <sys/types.h>
 11#include "srccode.h"
 12#include "symbol_conf.h"
 13#include <strlist.h>
 14#include <intlist.h>
 15#include "rwsem.h"
 16
 17struct addr_location;
 18struct map;
 19struct perf_record_namespaces;
 20struct thread_stack;
 21struct unwind_libunwind_ops;
 22
 23struct thread {
 24	union {
 25		struct rb_node	 rb_node;
 26		struct list_head node;
 27	};
 28	struct map_groups	*mg;
 29	pid_t			pid_; /* Not all tools update this */
 30	pid_t			tid;
 31	pid_t			ppid;
 32	int			cpu;
 33	refcount_t		refcnt;
 34	bool			comm_set;
 35	int			comm_len;
 36	bool			dead; /* if set thread has exited */
 37	struct list_head	namespaces_list;
 38	struct rw_semaphore	namespaces_lock;
 39	struct list_head	comm_list;
 40	struct rw_semaphore	comm_lock;
 41	u64			db_id;
 42
 43	void			*priv;
 44	struct thread_stack	*ts;
 45	struct nsinfo		*nsinfo;
 46	struct srccode_state	srccode_state;
 47	bool			filter;
 48	int			filter_entry_depth;
 
 49};
 50
 51struct machine;
 52struct namespaces;
 53struct comm;
 54
 55struct thread *thread__new(pid_t pid, pid_t tid);
 56int thread__init_map_groups(struct thread *thread, struct machine *machine);
 57void thread__delete(struct thread *thread);
 58
 59struct thread *thread__get(struct thread *thread);
 60void thread__put(struct thread *thread);
 61
 62static inline void __thread__zput(struct thread **thread)
 63{
 64	thread__put(*thread);
 65	*thread = NULL;
 66}
 67
 68#define thread__zput(thread) __thread__zput(&thread)
 69
 70static inline void thread__exited(struct thread *thread)
 71{
 72	thread->dead = true;
 73}
 74
 75struct namespaces *thread__namespaces(struct thread *thread);
 76int thread__set_namespaces(struct thread *thread, u64 timestamp,
 77			   struct perf_record_namespaces *event);
 78
 79int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
 80		       bool exec);
 81static inline int thread__set_comm(struct thread *thread, const char *comm,
 82				   u64 timestamp)
 83{
 84	return __thread__set_comm(thread, comm, timestamp, false);
 85}
 86
 87int thread__set_comm_from_proc(struct thread *thread);
 88
 89int thread__comm_len(struct thread *thread);
 90struct comm *thread__comm(const struct thread *thread);
 91struct comm *thread__exec_comm(const struct thread *thread);
 92const char *thread__comm_str(struct thread *thread);
 93int thread__insert_map(struct thread *thread, struct map *map);
 94int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone);
 95size_t thread__fprintf(struct thread *thread, FILE *fp);
 96
 97struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
 98
 99struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
100			     struct addr_location *al);
101struct map *thread__find_map_fb(struct thread *thread, u8 cpumode, u64 addr,
102				struct addr_location *al);
103
104struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode,
105				   u64 addr, struct addr_location *al);
106struct symbol *thread__find_symbol_fb(struct thread *thread, u8 cpumode,
107				      u64 addr, struct addr_location *al);
108
109void thread__find_cpumode_addr_location(struct thread *thread, u64 addr,
 
110					struct addr_location *al);
111
112int thread__memcpy(struct thread *thread, struct machine *machine,
113		   void *buf, u64 ip, int len, bool *is64bit);
114
115static inline void *thread__priv(struct thread *thread)
116{
117	return thread->priv;
118}
119
120static inline void thread__set_priv(struct thread *thread, void *p)
121{
122	thread->priv = p;
123}
124
125static inline bool thread__is_filtered(struct thread *thread)
126{
127	if (symbol_conf.comm_list &&
128	    !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
129		return true;
130	}
131
132	if (symbol_conf.pid_list &&
133	    !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
134		return true;
135	}
136
137	if (symbol_conf.tid_list &&
138	    !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
139		return true;
140	}
141
142	return false;
143}
144
145#endif	/* __PERF_THREAD_H */
v4.17
  1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef __PERF_THREAD_H
  3#define __PERF_THREAD_H
  4
  5#include <linux/refcount.h>
  6#include <linux/rbtree.h>
  7#include <linux/list.h>
 
  8#include <unistd.h>
  9#include <sys/types.h>
 10#include "symbol.h"
 
 11#include <strlist.h>
 12#include <intlist.h>
 13#include "rwsem.h"
 14
 
 
 
 15struct thread_stack;
 16struct unwind_libunwind_ops;
 17
 18struct thread {
 19	union {
 20		struct rb_node	 rb_node;
 21		struct list_head node;
 22	};
 23	struct map_groups	*mg;
 24	pid_t			pid_; /* Not all tools update this */
 25	pid_t			tid;
 26	pid_t			ppid;
 27	int			cpu;
 28	refcount_t		refcnt;
 29	bool			comm_set;
 30	int			comm_len;
 31	bool			dead; /* if set thread has exited */
 32	struct list_head	namespaces_list;
 33	struct rw_semaphore	namespaces_lock;
 34	struct list_head	comm_list;
 35	struct rw_semaphore	comm_lock;
 36	u64			db_id;
 37
 38	void			*priv;
 39	struct thread_stack	*ts;
 40	struct nsinfo		*nsinfo;
 41#ifdef HAVE_LIBUNWIND_SUPPORT
 42	void				*addr_space;
 43	struct unwind_libunwind_ops	*unwind_libunwind_ops;
 44#endif
 45};
 46
 47struct machine;
 48struct namespaces;
 49struct comm;
 50
 51struct thread *thread__new(pid_t pid, pid_t tid);
 52int thread__init_map_groups(struct thread *thread, struct machine *machine);
 53void thread__delete(struct thread *thread);
 54
 55struct thread *thread__get(struct thread *thread);
 56void thread__put(struct thread *thread);
 57
 58static inline void __thread__zput(struct thread **thread)
 59{
 60	thread__put(*thread);
 61	*thread = NULL;
 62}
 63
 64#define thread__zput(thread) __thread__zput(&thread)
 65
 66static inline void thread__exited(struct thread *thread)
 67{
 68	thread->dead = true;
 69}
 70
 71struct namespaces *thread__namespaces(const struct thread *thread);
 72int thread__set_namespaces(struct thread *thread, u64 timestamp,
 73			   struct namespaces_event *event);
 74
 75int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
 76		       bool exec);
 77static inline int thread__set_comm(struct thread *thread, const char *comm,
 78				   u64 timestamp)
 79{
 80	return __thread__set_comm(thread, comm, timestamp, false);
 81}
 82
 83int thread__set_comm_from_proc(struct thread *thread);
 84
 85int thread__comm_len(struct thread *thread);
 86struct comm *thread__comm(const struct thread *thread);
 87struct comm *thread__exec_comm(const struct thread *thread);
 88const char *thread__comm_str(const struct thread *thread);
 89int thread__insert_map(struct thread *thread, struct map *map);
 90int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
 91size_t thread__fprintf(struct thread *thread, FILE *fp);
 92
 93struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
 94
 95void thread__find_addr_map(struct thread *thread,
 96			   u8 cpumode, enum map_type type, u64 addr,
 97			   struct addr_location *al);
 
 98
 99void thread__find_addr_location(struct thread *thread,
100				u8 cpumode, enum map_type type, u64 addr,
101				struct addr_location *al);
 
102
103void thread__find_cpumode_addr_location(struct thread *thread,
104					enum map_type type, u64 addr,
105					struct addr_location *al);
 
 
 
106
107static inline void *thread__priv(struct thread *thread)
108{
109	return thread->priv;
110}
111
112static inline void thread__set_priv(struct thread *thread, void *p)
113{
114	thread->priv = p;
115}
116
117static inline bool thread__is_filtered(struct thread *thread)
118{
119	if (symbol_conf.comm_list &&
120	    !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
121		return true;
122	}
123
124	if (symbol_conf.pid_list &&
125	    !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
126		return true;
127	}
128
129	if (symbol_conf.tid_list &&
130	    !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
131		return true;
132	}
133
134	return false;
135}
136
137#endif	/* __PERF_THREAD_H */