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 struct unwind_libunwind_ops;
  15
  16 struct thread {
  17         union {
  18                 struct rb_node   rb_node;
  19                 struct list_head node;
  20         };
  21         struct map_groups       *mg;
  22         pid_t                   pid_; /* Not all tools update this */
  23         pid_t                   tid;
  24         pid_t                   ppid;
  25         int                     cpu;
  26         atomic_t                refcnt;
  27         char                    shortname[3];
  28         bool                    comm_set;
  29         int                     comm_len;
  30         bool                    dead; /* if set thread has exited */
  31         struct list_head        comm_list;
  32         u64                     db_id;
  33
  34         void                    *priv;
  35         struct thread_stack     *ts;
  36 #ifdef HAVE_LIBUNWIND_SUPPORT
  37         void                            *addr_space;
  38         struct unwind_libunwind_ops     *unwind_libunwind_ops;
  39 #endif
  40 };
  41
  42 struct machine;
  43 struct comm;
  44
  45 struct thread *thread__new(pid_t pid, pid_t tid);
  46 int thread__init_map_groups(struct thread *thread, struct machine *machine);
  47 void thread__delete(struct thread *thread);
  48
  49 struct thread *thread__get(struct thread *thread);
  50 void thread__put(struct thread *thread);
  51
  52 static inline void __thread__zput(struct thread **thread)
  53 {
  54         thread__put(*thread);
  55         *thread = NULL;
  56 }
  57
  58 #define thread__zput(thread) __thread__zput(&thread)
  59
  60 static inline void thread__exited(struct thread *thread)
  61 {
  62         thread->dead = true;
  63 }
  64
  65 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
  66                        bool exec);
  67 static inline int thread__set_comm(struct thread *thread, const char *comm,
  68                                    u64 timestamp)
  69 {
  70         return __thread__set_comm(thread, comm, timestamp, false);
  71 }
  72
  73 int thread__set_comm_from_proc(struct thread *thread);
  74
  75 int thread__comm_len(struct thread *thread);
  76 struct comm *thread__comm(const struct thread *thread);
  77 struct comm *thread__exec_comm(const struct thread *thread);
  78 const char *thread__comm_str(const struct thread *thread);
  79 int thread__insert_map(struct thread *thread, struct map *map);
  80 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
  81 size_t thread__fprintf(struct thread *thread, FILE *fp);
  82
  83 struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
  84
  85 void thread__find_addr_map(struct thread *thread,
  86                            u8 cpumode, enum map_type type, u64 addr,
  87                            struct addr_location *al);
  88
  89 void thread__find_addr_location(struct thread *thread,
  90                                 u8 cpumode, enum map_type type, u64 addr,
  91                                 struct addr_location *al);
  92
  93 void thread__find_cpumode_addr_location(struct thread *thread,
  94                                         enum map_type type, u64 addr,
  95                                         struct addr_location *al);
  96
  97 static inline void *thread__priv(struct thread *thread)
  98 {
  99         return thread->priv;
 100 }
 101
 102 static inline void thread__set_priv(struct thread *thread, void *p)
 103 {
 104         thread->priv = p;
 105 }
 106
 107 static inline bool thread__is_filtered(struct thread *thread)
 108 {
 109         if (symbol_conf.comm_list &&
 110             !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
 111                 return true;
 112         }
 113
 114         if (symbol_conf.pid_list &&
 115             !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
 116                 return true;
 117         }
 118
 119         if (symbol_conf.tid_list &&
 120             !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
 121                 return true;
 122         }
 123
 124         return false;
 125 }
 126
 127 #endif  /* __PERF_THREAD_H */