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