Commit | Line | Data |
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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, | |
906c08f6 | 25 | int next_pid, char *prev_comm, char *next_comm, char *hostname) |
1fc22eb4 JD |
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; | |
050f9cf9 JD |
36 | if (tmpcpu->current_task->threadparent && |
37 | tmpcpu->current_task->pid != tmpcpu->current_task->tid) | |
1fc22eb4 JD |
38 | tmpcpu->current_task->threadparent->threadstotalcpunsec += elapsed; |
39 | } | |
40 | ||
41 | if (next_pid != 0) | |
906c08f6 JD |
42 | tmpcpu->current_task = get_proc(<tngtop, next_pid, next_comm, |
43 | timestamp, hostname); | |
1fc22eb4 JD |
44 | else |
45 | tmpcpu->current_task = NULL; | |
46 | ||
47 | tmpcpu->task_start = timestamp; | |
48 | } | |
49 | ||
4adc8274 | 50 | enum bt_cb_ret handle_sched_switch(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
51 | void *private_data) |
52 | { | |
2e0a1190 | 53 | const struct bt_definition *scope; |
1fc22eb4 JD |
54 | unsigned long timestamp; |
55 | uint64_t cpu_id; | |
56 | char *prev_comm, *next_comm; | |
57 | int prev_tid, next_tid; | |
1d2391b4 | 58 | char *hostname = NULL; |
1fc22eb4 | 59 | |
c78f2cdc | 60 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
61 | if (timestamp == -1ULL) |
62 | goto error; | |
63 | ||
64 | scope = bt_ctf_get_top_level_scope(call_data, | |
65 | BT_EVENT_FIELDS); | |
66 | prev_comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, | |
67 | scope, "_prev_comm")); | |
68 | if (bt_ctf_field_get_error()) { | |
69 | fprintf(stderr, "Missing prev_comm context info\n"); | |
70 | goto error; | |
71 | } | |
72 | ||
73 | next_comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, | |
74 | scope, "_next_comm")); | |
75 | if (bt_ctf_field_get_error()) { | |
76 | fprintf(stderr, "Missing next_comm context info\n"); | |
77 | goto error; | |
78 | } | |
79 | ||
80 | prev_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
81 | scope, "_prev_tid")); | |
82 | if (bt_ctf_field_get_error()) { | |
83 | fprintf(stderr, "Missing prev_tid context info\n"); | |
84 | goto error; | |
85 | } | |
86 | ||
87 | next_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
88 | scope, "_next_tid")); | |
89 | if (bt_ctf_field_get_error()) { | |
90 | fprintf(stderr, "Missing next_tid context info\n"); | |
91 | goto error; | |
92 | } | |
93 | ||
d67167cd | 94 | cpu_id = get_cpu_id(call_data); |
1fc22eb4 JD |
95 | |
96 | update_cputop_data(timestamp, cpu_id, prev_tid, next_tid, | |
906c08f6 | 97 | prev_comm, next_comm, hostname); |
1fc22eb4 JD |
98 | |
99 | return BT_CB_OK; | |
100 | ||
101 | error: | |
102 | return BT_CB_ERROR_STOP; | |
103 | } | |
104 | ||
4adc8274 | 105 | enum bt_cb_ret handle_sched_process_free(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
106 | void *private_data) |
107 | { | |
2e0a1190 | 108 | const struct bt_definition *scope; |
1fc22eb4 JD |
109 | unsigned long timestamp; |
110 | char *comm; | |
111 | int tid; | |
112 | ||
c78f2cdc | 113 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
114 | if (timestamp == -1ULL) |
115 | goto error; | |
116 | ||
117 | scope = bt_ctf_get_top_level_scope(call_data, | |
118 | BT_EVENT_FIELDS); | |
119 | comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, | |
120 | scope, "_comm")); | |
121 | if (bt_ctf_field_get_error()) { | |
122 | fprintf(stderr, "Missing procname context info\n"); | |
123 | goto error; | |
124 | } | |
125 | ||
e05a35a6 JD |
126 | tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, |
127 | scope, "_tid")); | |
128 | if (bt_ctf_field_get_error()) { | |
129 | fprintf(stderr, "Missing tid field\n"); | |
130 | goto error; | |
131 | } | |
132 | ||
1fc22eb4 JD |
133 | death_proc(<tngtop, tid, comm, timestamp); |
134 | ||
135 | return BT_CB_OK; | |
136 | ||
137 | error: | |
138 | return BT_CB_ERROR_STOP; | |
139 | ||
140 | } | |
141 |