prepare the 0.3 release
[lttngtop.git] / 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 GHashTable *global_filter_list;
34 GHashTable *global_host_list;
35 GHashTable *global_procname_list;
36
37 char *opt_tid;
38 char *opt_procname;
39 char *opt_relay_hostname;
40 char *opt_kprobes;
41 char *opt_exec_name;
42 char **opt_exec_argv;
43 char **opt_exec_env;
44 int opt_exec_pid;
45 char *opt_output;
46 FILE *output;
47 GHashTable *tid_filter_list;
48
49 int remote_live;
50
51 int toggle_filter;
52
53 extern int quit;
54
55 struct lttngtop *data;
56
57 struct processtop *find_process_tid(struct lttngtop *ctx, int pid, const char *comm);
58 struct processtop* add_proc(struct lttngtop *ctx, int pid, char *comm,
59 unsigned long timestamp, char *hostname);
60 struct processtop* update_proc(struct processtop* proc, int pid, int tid,
61 int ppid, int vpid, int vtid, int vppid, char *comm,
62 char *hostname);
63 void add_thread(struct processtop *parent, struct processtop *thread);
64 struct processtop* get_proc(struct lttngtop *ctx, int tid, char *comm,
65 unsigned long timestamp, char *hostname);
66
67 struct processtop *get_proc_pid(struct lttngtop *ctx, int tid, int pid,
68 unsigned long timestamp, char *hostname);
69
70 void death_proc(struct lttngtop *ctx, int tid, char *comm,
71 unsigned long timestamp);
72 struct cputime* add_cpu(int cpu);
73 struct cputime* get_cpu(int cpu);
74 struct lttngtop* get_copy_lttngtop(unsigned long start, unsigned long end);
75 struct perfcounter *add_perf_counter(GPtrArray *perf, GQuark quark,
76 unsigned long count);
77 struct perfcounter *get_perf_counter(const char *name, struct processtop *proc,
78 struct cputime *cpu);
79 void reset_global_counters(void);
80
81 /* common field access functions */
82 uint64_t get_cpu_id(const struct bt_ctf_event *event);
83 uint64_t get_context_tid(const struct bt_ctf_event *event);
84 uint64_t get_context_pid(const struct bt_ctf_event *event);
85 uint64_t get_context_ppid(const struct bt_ctf_event *event);
86 char *get_context_comm(const struct bt_ctf_event *event);
87 uint64_t get_context_vtid(const struct bt_ctf_event *event);
88 uint64_t get_context_vpid(const struct bt_ctf_event *event);
89 uint64_t get_context_vppid(const struct bt_ctf_event *event);
90 char *get_context_hostname(const struct bt_ctf_event *event);
91
92 enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data,
93 void *private_data);
94
95 struct tm format_timestamp(uint64_t timestamp);
96
97 int *lookup_filter_tid_list(int tid);
98 int *lookup_tid_list(int tid);
99 void remove_hostname_list(const char *hostname);
100 void add_filter_tid_list(struct processtop *proc);
101 void remove_filter_tid_list(int tid);
102 struct host *lookup_hostname_list(const char *hostname);
103 int is_hostname_filtered(const char *hostname);
104 struct host *add_hostname_list(char *hostname, int filter);
105 void update_hostname_filter(struct host *host);
106 char *lookup_procname(const char *procname);
107 char *add_procname_list(char *procname, int filter);
108
109 #endif /* _COMMON_H */
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