src/common.h

   1 /*
   2  * Copyright (C) 2011 Julien Desfossez
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16  */
  17
  18 #ifndef _COMMON_H
  19 #define _COMMON_H
  20
  21 #include <semaphore.h>
  22 #include <babeltrace/ctf/events.h>
  23 #include "lttngtoptypes.h"
  24 #include "cputop.h"
  25
  26 #define NSEC_PER_USEC 1000
  27 #define NSEC_PER_SEC 1000000000L
  28
  29 sem_t goodtodisplay, goodtoupdate, timer, pause_sem, end_trace_sem, bootstrap;
  30
  31 GPtrArray *copies; /* struct lttngtop */
  32 pthread_mutex_t perf_list_mutex;
  33
  34 struct lttngtop *data;
  35
  36 struct processtop *find_process_tid(struct lttngtop *ctx, int pid, char *comm);
  37 struct processtop* add_proc(struct lttngtop *ctx, int pid, char *comm,
  38                 unsigned long timestamp);
  39 struct processtop* update_proc(struct processtop* proc, int pid, int tid,
  40                 int ppid, char *comm);
  41 void add_thread(struct processtop *parent, struct processtop *thread);
  42 struct processtop* get_proc(struct lttngtop *ctx, int tid, char *comm,
  43                 unsigned long timestamp);
  44
  45 struct processtop *get_proc_pid(struct lttngtop *ctx, int tid, int pid,
  46                 unsigned long timestamp);
  47
  48 void death_proc(struct lttngtop *ctx, int tid, char *comm,
  49                 unsigned long timestamp);
  50 struct cputime* add_cpu(int cpu);
  51 struct cputime* get_cpu(int cpu);
  52 struct lttngtop* get_copy_lttngtop(unsigned long start, unsigned long end);
  53 struct perfcounter *add_perf_counter(GPtrArray *perf, GQuark quark,
  54                 unsigned long count);
  55 struct perfcounter *get_perf_counter(const char *name, struct processtop *proc,
  56                 struct cputime *cpu);
  57 void reset_global_counters(void);
  58
  59 /* common field access functions */
  60 uint64_t get_cpu_id(const struct bt_ctf_event *event);
  61 uint64_t get_context_tid(const struct bt_ctf_event *event);
  62 uint64_t get_context_pid(const struct bt_ctf_event *event);
  63 uint64_t get_context_ppid(const struct bt_ctf_event *event);
  64 char *get_context_comm(const struct bt_ctf_event *event);
  65
  66 enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data,
  67                                               void *private_data);
  68
  69 #endif /* _COMMON_H */