Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /tools/perf/util/thread.h 
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
#ifndef __PERF_THREAD_H
#define __PERF_THREAD_H

#include <linux/atomic.h>
#include <linux/rbtree.h>
#include <linux/list.h>
#include <unistd.h>
#include <sys/types.h>
#include "symbol.h"
#include <strlist.h>
#include <intlist.h>

struct thread_stack;
struct unwind_libunwind_ops;

struct thread {
	union {
		struct rb_node	 rb_node;
		struct list_head node;
	};
	struct map_groups	*mg;
	pid_t			pid_; /* Not all tools update this */
	pid_t			tid;
	pid_t			ppid;
	int			cpu;
	atomic_t		refcnt;
	char			shortname[3];
	bool			comm_set;
	int			comm_len;
	bool			dead; /* if set thread has exited */
	struct list_head	comm_list;
	u64			db_id;

	void			*priv;
	struct thread_stack	*ts;
#ifdef HAVE_LIBUNWIND_SUPPORT
	void				*addr_space;
	struct unwind_libunwind_ops	*unwind_libunwind_ops;
#endif
};

struct machine;
struct comm;

struct thread *thread__new(pid_t pid, pid_t tid);
int thread__init_map_groups(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;
}

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(const struct thread *thread);
int thread__insert_map(struct thread *thread, struct map *map);
int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
size_t thread__fprintf(struct thread *thread, FILE *fp);

struct thread *thread__main_thread(struct machine *machine, struct thread *thread);

void thread__find_addr_map(struct thread *thread,
			   u8 cpumode, enum map_type type, u64 addr,
			   struct addr_location *al);

void thread__find_addr_location(struct thread *thread,
				u8 cpumode, enum map_type type, u64 addr,
				struct addr_location *al);

void thread__find_cpumode_addr_location(struct thread *thread,
					enum map_type type, u64 addr,
					struct addr_location *al);

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;
}

#endif	/* __PERF_THREAD_H */