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1fc22eb4 | 1 | /* |
aa15ac1c | 2 | * Copyright (C) 2011-2012 Julien Desfossez |
1fc22eb4 JD |
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 | * | |
71bd7ce1 AM |
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. | |
1fc22eb4 JD |
16 | */ |
17 | ||
18 | #include <babeltrace/babeltrace.h> | |
19 | ||
20 | #include "lttngtoptypes.h" | |
21 | #include "common.h" | |
22 | #include "cputop.h" | |
23 | ||
24 | void update_cputop_data(unsigned long timestamp, int64_t cpu, int prev_pid, | |
25 | int next_pid, char *prev_comm, char *next_comm) | |
26 | { | |
27 | struct cputime *tmpcpu; | |
28 | unsigned long elapsed; | |
29 | ||
30 | tmpcpu = get_cpu(cpu); | |
31 | ||
32 | if (tmpcpu->current_task && tmpcpu->current_task->pid == prev_pid) { | |
33 | elapsed = timestamp - tmpcpu->task_start; | |
34 | tmpcpu->current_task->totalcpunsec += elapsed; | |
35 | tmpcpu->current_task->threadstotalcpunsec += elapsed; | |
36 | if (tmpcpu->current_task->pid != tmpcpu->current_task->tid) | |
37 | tmpcpu->current_task->threadparent->threadstotalcpunsec += elapsed; | |
38 | } | |
39 | ||
40 | if (next_pid != 0) | |
41 | tmpcpu->current_task = get_proc(<tngtop, next_pid, next_comm, timestamp); | |
42 | else | |
43 | tmpcpu->current_task = NULL; | |
44 | ||
45 | tmpcpu->task_start = timestamp; | |
46 | } | |
47 | ||
4adc8274 | 48 | enum bt_cb_ret handle_sched_switch(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
49 | void *private_data) |
50 | { | |
2e0a1190 | 51 | const struct bt_definition *scope; |
1fc22eb4 JD |
52 | unsigned long timestamp; |
53 | uint64_t cpu_id; | |
54 | char *prev_comm, *next_comm; | |
55 | int prev_tid, next_tid; | |
56 | ||
480b40ce | 57 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
58 | if (timestamp == -1ULL) |
59 | goto error; | |
60 | ||
61 | scope = bt_ctf_get_top_level_scope(call_data, | |
62 | BT_EVENT_FIELDS); | |
63 | prev_comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, | |
64 | scope, "_prev_comm")); | |
65 | if (bt_ctf_field_get_error()) { | |
66 | fprintf(stderr, "Missing prev_comm context info\n"); | |
67 | goto error; | |
68 | } | |
69 | ||
70 | next_comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, | |
71 | scope, "_next_comm")); | |
72 | if (bt_ctf_field_get_error()) { | |
73 | fprintf(stderr, "Missing next_comm context info\n"); | |
74 | goto error; | |
75 | } | |
76 | ||
77 | prev_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
78 | scope, "_prev_tid")); | |
79 | if (bt_ctf_field_get_error()) { | |
80 | fprintf(stderr, "Missing prev_tid context info\n"); | |
81 | goto error; | |
82 | } | |
83 | ||
84 | next_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
85 | scope, "_next_tid")); | |
86 | if (bt_ctf_field_get_error()) { | |
87 | fprintf(stderr, "Missing next_tid context info\n"); | |
88 | goto error; | |
89 | } | |
90 | ||
d67167cd | 91 | cpu_id = get_cpu_id(call_data); |
1fc22eb4 JD |
92 | |
93 | update_cputop_data(timestamp, cpu_id, prev_tid, next_tid, | |
94 | prev_comm, next_comm); | |
95 | ||
96 | return BT_CB_OK; | |
97 | ||
98 | error: | |
99 | return BT_CB_ERROR_STOP; | |
100 | } | |
101 | ||
4adc8274 | 102 | enum bt_cb_ret handle_sched_process_free(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
103 | void *private_data) |
104 | { | |
2e0a1190 | 105 | const struct bt_definition *scope; |
1fc22eb4 JD |
106 | unsigned long timestamp; |
107 | char *comm; | |
108 | int tid; | |
109 | ||
480b40ce | 110 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
111 | if (timestamp == -1ULL) |
112 | goto error; | |
113 | ||
114 | scope = bt_ctf_get_top_level_scope(call_data, | |
115 | BT_EVENT_FIELDS); | |
116 | comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, | |
117 | scope, "_comm")); | |
118 | if (bt_ctf_field_get_error()) { | |
119 | fprintf(stderr, "Missing procname context info\n"); | |
120 | goto error; | |
121 | } | |
122 | ||
e05a35a6 JD |
123 | tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, |
124 | scope, "_tid")); | |
125 | if (bt_ctf_field_get_error()) { | |
126 | fprintf(stderr, "Missing tid field\n"); | |
127 | goto error; | |
128 | } | |
129 | ||
1fc22eb4 JD |
130 | death_proc(<tngtop, tid, comm, timestamp); |
131 | ||
132 | return BT_CB_OK; | |
133 | ||
134 | error: | |
135 | return BT_CB_ERROR_STOP; | |
136 | ||
137 | } | |
138 |