src/common.h

   1 /*
   2  * Copyright (C) 2011-2012 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 GHashTable *global_perf_liszt;
  33
  34 char *opt_tid;
  35 char *opt_hostname;
  36 char *opt_kprobes;
  37 GHashTable *tid_list;
  38 GHashTable *hostname_list;
  39
  40 extern int quit;
  41
  42 struct lttngtop *data;
  43
  44 struct processtop *find_process_tid(struct lttngtop *ctx, int pid, char *comm);
  45 struct processtop* add_proc(struct lttngtop *ctx, int pid, char *comm,
  46                 unsigned long timestamp);
  47 struct processtop* update_proc(struct processtop* proc, int pid, int tid,
  48                 int ppid, int vpid, int vtid, int vppid, char *comm,
  49                 char *hostname);
  50 void add_thread(struct processtop *parent, struct processtop *thread);
  51 struct processtop* get_proc(struct lttngtop *ctx, int tid, char *comm,
  52                 unsigned long timestamp);
  53
  54 struct processtop *get_proc_pid(struct lttngtop *ctx, int tid, int pid,
  55                 unsigned long timestamp);
  56
  57 void death_proc(struct lttngtop *ctx, int tid, char *comm,
  58                 unsigned long timestamp);
  59 struct cputime* add_cpu(int cpu);
  60 struct cputime* get_cpu(int cpu);
  61 struct lttngtop* get_copy_lttngtop(unsigned long start, unsigned long end);
  62 struct perfcounter *add_perf_counter(GPtrArray *perf, GQuark quark,
  63                 unsigned long count);
  64 struct perfcounter *get_perf_counter(const char *name, struct processtop *proc,
  65                 struct cputime *cpu);
  66 void reset_global_counters(void);
  67
  68 /* common field access functions */
  69 uint64_t get_cpu_id(const struct bt_ctf_event *event);
  70 uint64_t get_context_tid(const struct bt_ctf_event *event);
  71 uint64_t get_context_pid(const struct bt_ctf_event *event);
  72 uint64_t get_context_ppid(const struct bt_ctf_event *event);
  73 char *get_context_comm(const struct bt_ctf_event *event);
  74 uint64_t get_context_vtid(const struct bt_ctf_event *event);
  75 uint64_t get_context_vpid(const struct bt_ctf_event *event);
  76 uint64_t get_context_vppid(const struct bt_ctf_event *event);
  77 char *get_context_hostname(const struct bt_ctf_event *event);
  78
  79 enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data,
  80                                               void *private_data);
  81
  82 struct tm format_timestamp(uint64_t timestamp);
  83
  84 int *lookup_tid_list(int tid);
  85 char *lookup_hostname_list(const char *hostname);
  86
  87 #endif /* _COMMON_H */