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
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19 #ifndef _COMMON_H
  20 #define _COMMON_H
  21
  22 #include <semaphore.h>
  23 #include <babeltrace/ctf/events.h>
  24 #include "lttngtoptypes.h"
  25 #include "cputop.h"
  26
  27 #define NSEC_PER_USEC 1000
  28 #define NSEC_PER_SEC 1000000000L
  29
  30 sem_t goodtodisplay, goodtoupdate, timer, pause_sem, end_trace_sem, bootstrap;
  31
  32 GPtrArray *copies; /* struct lttngtop */
  33 pthread_mutex_t perf_list_mutex;
  34
  35 struct lttngtop *data;
  36
  37 struct processtop *find_process_tid(struct lttngtop *ctx, int pid, char *comm);
  38 struct processtop* add_proc(struct lttngtop *ctx, int pid, char *comm,
  39                 unsigned long timestamp);
  40 struct processtop* update_proc(struct processtop* proc, int pid, int tid,
  41                 int ppid, char *comm);
  42 void add_thread(struct processtop *parent, struct processtop *thread);
  43 struct processtop* get_proc(struct lttngtop *ctx, int tid, char *comm,
  44                 unsigned long timestamp);
  45 void death_proc(struct lttngtop *ctx, int tid, char *comm,
  46                 unsigned long timestamp);
  47 struct cputime* add_cpu(int cpu);
  48 struct cputime* get_cpu(int cpu);
  49 struct lttngtop* get_copy_lttngtop(unsigned long start, unsigned long end);
  50 struct perfcounter *add_perf_counter(GPtrArray *perf, GQuark quark,
  51                 unsigned long count);
  52 struct perfcounter *get_perf_counter(const char *name, struct processtop *proc,
  53                 struct cputime *cpu);
  54
  55 /* common field access functions */
  56 uint64_t get_cpu_id(struct bt_ctf_event *event);
  57
  58 #endif /* _COMMON_H */