LXR linux/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
  13struct thread_stack;
  14struct unwind_libunwind_ops;
  15
  16struct 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
  42struct machine;
  43struct comm;
  44
  45struct thread *thread__new(pid_t pid, pid_t tid);
  46int thread__init_map_groups(struct thread *thread, struct machine *machine);
  47void thread__delete(struct thread *thread);
  48
  49struct thread *thread__get(struct thread *thread);
  50void thread__put(struct thread *thread);
  51
  52static 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
  60static inline void thread__exited(struct thread *thread)
  61{
  62        thread->dead = true;
  63}
  64
  65int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
  66                       bool exec);
  67static 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
  73int thread__set_comm_from_proc(struct thread *thread);
  74
  75int thread__comm_len(struct thread *thread);
  76struct comm *thread__comm(const struct thread *thread);
  77struct comm *thread__exec_comm(const struct thread *thread);
  78const char *thread__comm_str(const struct thread *thread);
  79int thread__insert_map(struct thread *thread, struct map *map);
  80int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
  81size_t thread__fprintf(struct thread *thread, FILE *fp);
  82
  83struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
  84
  85void thread__find_addr_map(struct thread *thread,
  86                           u8 cpumode, enum map_type type, u64 addr,
  87                           struct addr_location *al);
  88
  89void thread__find_addr_location(struct thread *thread,
  90                                u8 cpumode, enum map_type type, u64 addr,
  91                                struct addr_location *al);
  92
  93void thread__find_cpumode_addr_location(struct thread *thread,
  94                                        enum map_type type, u64 addr,
  95                                        struct addr_location *al);
  96
  97static inline void *thread__priv(struct thread *thread)
  98{
  99        return thread->priv;
 100}
 101
 102static inline void thread__set_priv(struct thread *thread, void *p)
 103{
 104        thread->priv = p;
 105}
 106
 107static 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 */
 128