LXR linux/tools/perf/util/thread.h

   1#ifndef __PERF_THREAD_H
   2#define __PERF_THREAD_H
   3
   4#include <linux/refcount.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        refcount_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        namespaces_list;
  32        struct list_head        comm_list;
  33        u64                     db_id;
  34
  35        void                    *priv;
  36        struct thread_stack     *ts;
  37#ifdef HAVE_LIBUNWIND_SUPPORT
  38        void                            *addr_space;
  39        struct unwind_libunwind_ops     *unwind_libunwind_ops;
  40#endif
  41};
  42
  43struct machine;
  44struct namespaces;
  45struct comm;
  46
  47struct thread *thread__new(pid_t pid, pid_t tid);
  48int thread__init_map_groups(struct thread *thread, struct machine *machine);
  49void thread__delete(struct thread *thread);
  50
  51struct thread *thread__get(struct thread *thread);
  52void thread__put(struct thread *thread);
  53
  54static inline void __thread__zput(struct thread **thread)
  55{
  56        thread__put(*thread);
  57        *thread = NULL;
  58}
  59
  60#define thread__zput(thread) __thread__zput(&thread)
  61
  62static inline void thread__exited(struct thread *thread)
  63{
  64        thread->dead = true;
  65}
  66
  67struct namespaces *thread__namespaces(const struct thread *thread);
  68int thread__set_namespaces(struct thread *thread, u64 timestamp,
  69                           struct namespaces_event *event);
  70
  71int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
  72                       bool exec);
  73static inline int thread__set_comm(struct thread *thread, const char *comm,
  74                                   u64 timestamp)
  75{
  76        return __thread__set_comm(thread, comm, timestamp, false);
  77}
  78
  79int thread__set_comm_from_proc(struct thread *thread);
  80
  81int thread__comm_len(struct thread *thread);
  82struct comm *thread__comm(const struct thread *thread);
  83struct comm *thread__exec_comm(const struct thread *thread);
  84const char *thread__comm_str(const struct thread *thread);
  85int thread__insert_map(struct thread *thread, struct map *map);
  86int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
  87size_t thread__fprintf(struct thread *thread, FILE *fp);
  88
  89struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
  90
  91void thread__find_addr_map(struct thread *thread,
  92                           u8 cpumode, enum map_type type, u64 addr,
  93                           struct addr_location *al);
  94
  95void thread__find_addr_location(struct thread *thread,
  96                                u8 cpumode, enum map_type type, u64 addr,
  97                                struct addr_location *al);
  98
  99void thread__find_cpumode_addr_location(struct thread *thread,
 100                                        enum map_type type, u64 addr,
 101                                        struct addr_location *al);
 102
 103static inline void *thread__priv(struct thread *thread)
 104{
 105        return thread->priv;
 106}
 107
 108static inline void thread__set_priv(struct thread *thread, void *p)
 109{
 110        thread->priv = p;
 111}
 112
 113static inline bool thread__is_filtered(struct thread *thread)
 114{
 115        if (symbol_conf.comm_list &&
 116            !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
 117                return true;
 118        }
 119
 120        if (symbol_conf.pid_list &&
 121            !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
 122                return true;
 123        }
 124
 125        if (symbol_conf.tid_list &&
 126            !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
 127                return true;
 128        }
 129
 130        return false;
 131}
 132
 133#endif  /* __PERF_THREAD_H */
 134