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