error handling on setup live tracing
[lttngtop.git] / src / common.h
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1fc22eb4 1/*
aa15ac1c 2 * Copyright (C) 2011-2012 Julien Desfossez
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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 *
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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.
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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
29sem_t goodtodisplay, goodtoupdate, timer, pause_sem, end_trace_sem, bootstrap;
30
31GPtrArray *copies; /* struct lttngtop */
0d91c12a 32GHashTable *global_perf_liszt;
1fc22eb4 33
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34extern int quit;
35
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36struct lttngtop *data;
37
38struct processtop *find_process_tid(struct lttngtop *ctx, int pid, char *comm);
39struct processtop* add_proc(struct lttngtop *ctx, int pid, char *comm,
40 unsigned long timestamp);
41struct processtop* update_proc(struct processtop* proc, int pid, int tid,
42 int ppid, char *comm);
43void add_thread(struct processtop *parent, struct processtop *thread);
44struct processtop* get_proc(struct lttngtop *ctx, int tid, char *comm,
45 unsigned long timestamp);
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46
47struct processtop *get_proc_pid(struct lttngtop *ctx, int tid, int pid,
48 unsigned long timestamp);
49
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50void death_proc(struct lttngtop *ctx, int tid, char *comm,
51 unsigned long timestamp);
52struct cputime* add_cpu(int cpu);
53struct cputime* get_cpu(int cpu);
54struct lttngtop* get_copy_lttngtop(unsigned long start, unsigned long end);
55struct perfcounter *add_perf_counter(GPtrArray *perf, GQuark quark,
56 unsigned long count);
57struct perfcounter *get_perf_counter(const char *name, struct processtop *proc,
58 struct cputime *cpu);
e05a35a6 59void reset_global_counters(void);
1fc22eb4 60
d67167cd 61/* common field access functions */
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62uint64_t get_cpu_id(const struct bt_ctf_event *event);
63uint64_t get_context_tid(const struct bt_ctf_event *event);
64uint64_t get_context_pid(const struct bt_ctf_event *event);
65uint64_t get_context_ppid(const struct bt_ctf_event *event);
66char *get_context_comm(const struct bt_ctf_event *event);
d67167cd 67
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68enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data,
69 void *private_data);
70
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71struct tm format_timestamp(uint64_t timestamp);
72
1fc22eb4 73#endif /* _COMMON_H */
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