LXR linux/tools/perf/util/thread.h

   1#ifndef __PERF_THREAD_H
   2#define __PERF_THREAD_H
   3
   4#include <linux/atomic.h>
   5#include <linux/rbtree.h>
   6#include <linux/list.h>
   7#include <unistd.h>
   8#include <sys/types.h>
   9#include "symbol.h"
  10#include <strlist.h>
  11#include <intlist.h>
  12
  13struct thread_stack;
  14
  15struct thread {
  16        union {
  17                struct rb_node   rb_node;
  18                struct list_head node;
  19        };
  20        struct map_groups       *mg;
  21        pid_t                   pid_; /* Not all tools update this */
  22        pid_t                   tid;
  23        pid_t                   ppid;
  24        int                     cpu;
  25        atomic_t                refcnt;
  26        char                    shortname[3];
  27        bool                    comm_set;
  28        int                     comm_len;
  29        bool                    dead; /* if set thread has exited */
  30        struct list_head        comm_list;
  31        u64                     db_id;
  32
  33        void                    *priv;
  34        struct thread_stack     *ts;
  35};
  36
  37struct machine;
  38struct comm;
  39
  40struct thread *thread__new(pid_t pid, pid_t tid);
  41int thread__init_map_groups(struct thread *thread, struct machine *machine);
  42void thread__delete(struct thread *thread);
  43
  44struct thread *thread__get(struct thread *thread);
  45void thread__put(struct thread *thread);
  46
  47static inline void __thread__zput(struct thread **thread)
  48{
  49        thread__put(*thread);
  50        *thread = NULL;
  51}
  52
  53#define thread__zput(thread) __thread__zput(&thread)
  54
  55static inline void thread__exited(struct thread *thread)
  56{
  57        thread->dead = true;
  58}
  59
  60int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
  61                       bool exec);
  62static inline int thread__set_comm(struct thread *thread, const char *comm,
  63                                   u64 timestamp)
  64{
  65        return __thread__set_comm(thread, comm, timestamp, false);
  66}
  67
  68int thread__comm_len(struct thread *thread);
  69struct comm *thread__comm(const struct thread *thread);
  70struct comm *thread__exec_comm(const struct thread *thread);
  71const char *thread__comm_str(const struct thread *thread);
  72void thread__insert_map(struct thread *thread, struct map *map);
  73int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
  74size_t thread__fprintf(struct thread *thread, FILE *fp);
  75
  76void thread__find_addr_map(struct thread *thread,
  77                           u8 cpumode, enum map_type type, u64 addr,
  78                           struct addr_location *al);
  79
  80void thread__find_addr_location(struct thread *thread,
  81                                u8 cpumode, enum map_type type, u64 addr,
  82                                struct addr_location *al);
  83
  84void thread__find_cpumode_addr_location(struct thread *thread,
  85                                        enum map_type type, u64 addr,
  86                                        struct addr_location *al);
  87
  88static inline void *thread__priv(struct thread *thread)
  89{
  90        return thread->priv;
  91}
  92
  93static inline void thread__set_priv(struct thread *thread, void *p)
  94{
  95        thread->priv = p;
  96}
  97
  98static inline bool thread__is_filtered(struct thread *thread)
  99{
 100        if (symbol_conf.comm_list &&
 101            !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
 102                return true;
 103        }
 104
 105        if (symbol_conf.pid_list &&
 106            !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
 107                return true;
 108        }
 109
 110        if (symbol_conf.tid_list &&
 111            !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
 112                return true;
 113        }
 114
 115        return false;
 116}
 117
 118#endif  /* __PERF_THREAD_H */
 119