tools/perf/util/thread.h

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