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
  13 struct thread_stack;
  14
  15 struct 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
  37 struct machine;
  38 struct comm;
  39
  40 struct thread *thread__new(pid_t pid, pid_t tid);
  41 int thread__init_map_groups(struct thread *thread, struct machine *machine);
  42 void thread__delete(struct thread *thread);
  43
  44 struct thread *thread__get(struct thread *thread);
  45 void thread__put(struct thread *thread);
  46
  47 static 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
  55 static inline void thread__exited(struct thread *thread)
  56 {
  57         thread->dead = true;
  58 }
  59
  60 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
  61                        bool exec);
  62 static 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
  68 int thread__comm_len(struct thread *thread);
  69 struct comm *thread__comm(const struct thread *thread);
  70 struct comm *thread__exec_comm(const struct thread *thread);
  71 const char *thread__comm_str(const struct thread *thread);
  72 void thread__insert_map(struct thread *thread, struct map *map);
  73 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
  74 size_t thread__fprintf(struct thread *thread, FILE *fp);
  75
  76 void thread__find_addr_map(struct thread *thread,
  77                            u8 cpumode, enum map_type type, u64 addr,
  78                            struct addr_location *al);
  79
  80 void thread__find_addr_location(struct thread *thread,
  81                                 u8 cpumode, enum map_type type, u64 addr,
  82                                 struct addr_location *al);
  83
  84 void thread__find_cpumode_addr_location(struct thread *thread,
  85                                         enum map_type type, u64 addr,
  86                                         struct addr_location *al);
  87
  88 static inline void *thread__priv(struct thread *thread)
  89 {
  90         return thread->priv;
  91 }
  92
  93 static inline void thread__set_priv(struct thread *thread, void *p)
  94 {
  95         thread->priv = p;
  96 }
  97
  98 static 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 */