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