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
  11 struct thread_stack;
  12
  13 struct thread {
  14         union {
  15                 struct rb_node   rb_node;
  16                 struct list_head node;
  17         };
  18         struct map_groups       *mg;
  19         pid_t                   pid_; /* Not all tools update this */
  20         pid_t                   tid;
  21         pid_t                   ppid;
  22         int                     cpu;
  23         char                    shortname[3];
  24         bool                    comm_set;
  25         bool                    dead; /* if set thread has exited */
  26         struct list_head        comm_list;
  27         int                     comm_len;
  28         u64                     db_id;
  29
  30         void                    *priv;
  31         struct thread_stack     *ts;
  32 };
  33
  34 struct machine;
  35 struct comm;
  36
  37 struct thread *thread__new(pid_t pid, pid_t tid);
  38 int thread__init_map_groups(struct thread *thread, struct machine *machine);
  39 void thread__delete(struct thread *thread);
  40 static inline void thread__exited(struct thread *thread)
  41 {
  42         thread->dead = true;
  43 }
  44
  45 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
  46                        bool exec);
  47 static inline int thread__set_comm(struct thread *thread, const char *comm,
  48                                    u64 timestamp)
  49 {
  50         return __thread__set_comm(thread, comm, timestamp, false);
  51 }
  52
  53 int thread__comm_len(struct thread *thread);
  54 struct comm *thread__comm(const struct thread *thread);
  55 struct comm *thread__exec_comm(const struct thread *thread);
  56 const char *thread__comm_str(const struct thread *thread);
  57 void thread__insert_map(struct thread *thread, struct map *map);
  58 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
  59 size_t thread__fprintf(struct thread *thread, FILE *fp);
  60
  61 void thread__find_addr_map(struct thread *thread,
  62                            u8 cpumode, enum map_type type, u64 addr,
  63                            struct addr_location *al);
  64
  65 void thread__find_addr_location(struct thread *thread,
  66                                 u8 cpumode, enum map_type type, u64 addr,
  67                                 struct addr_location *al);
  68
  69 void thread__find_cpumode_addr_location(struct thread *thread,
  70                                         enum map_type type, u64 addr,
  71                                         struct addr_location *al);
  72
  73 static inline void *thread__priv(struct thread *thread)
  74 {
  75         return thread->priv;
  76 }
  77
  78 static inline void thread__set_priv(struct thread *thread, void *p)
  79 {
  80         thread->priv = p;
  81 }
  82
  83 static inline bool thread__is_filtered(struct thread *thread)
  84 {
  85         if (symbol_conf.comm_list &&
  86             !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
  87                 return true;
  88         }
  89
  90         return false;
  91 }
  92
  93 #endif  /* __PERF_THREAD_H */