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 | ||
715cf83c | 18 | extern "C" { |
1fc22eb4 | 19 | #include <babeltrace/babeltrace.h> |
715cf83c | 20 | } |
1fc22eb4 JD |
21 | |
22 | #include "lttngtoptypes.h" | |
23 | #include "common.h" | |
24 | #include "cputop.h" | |
25 | ||
715cf83c PBT |
26 | void update_cputop_data(unsigned long timestamp, int64_t cpu, |
27 | int prev_pid, int next_pid, char *prev_comm, char *next_comm) | |
1fc22eb4 | 28 | { |
715cf83c PBT |
29 | Quark cpu_quark; |
30 | Quark current_task_quark; | |
31 | bool current_task_found; | |
32 | int current_task_pid; | |
33 | int current_task_tid; | |
1fc22eb4 | 34 | unsigned long elapsed; |
715cf83c PBT |
35 | unsigned long task_start; |
36 | bool current_task_threadparent_found; | |
37 | Quark current_task_threadparent; | |
38 | ||
39 | cpu_quark = get_cpu(cpu, timestamp); | |
40 | current_task_found = get_current_attribute_value_quark(&cpu_quark, | |
41 | "current_task", current_task_quark); | |
42 | ||
43 | if (current_task_found) { | |
44 | get_current_attribute_value_int(¤t_task_quark, "pid", | |
45 | current_task_pid); | |
46 | if (current_task_pid == prev_pid) { | |
47 | get_current_attribute_value_ulong(&cpu_quark, | |
48 | "task_start", task_start); | |
49 | elapsed = timestamp - task_start; | |
50 | increase_attribute(timestamp, ¤t_task_quark, | |
51 | "totalcpunsec", elapsed); | |
52 | increase_attribute(timestamp, ¤t_task_quark, | |
53 | "threadstotalcpunsec", elapsed); | |
54 | get_current_attribute_value_int(¤t_task_quark, | |
55 | "tid", current_task_tid); | |
56 | if (current_task_tid != current_task_pid) { | |
57 | current_task_threadparent_found = | |
58 | get_current_attribute_value_quark( | |
59 | ¤t_task_quark, | |
60 | "threadparent", | |
61 | current_task_threadparent); | |
62 | if (current_task_threadparent_found) | |
63 | increase_attribute(timestamp, | |
64 | ¤t_task_threadparent, | |
65 | "threadstotalcpuns", elapsed); | |
66 | } | |
67 | } | |
1fc22eb4 JD |
68 | } |
69 | ||
70 | if (next_pid != 0) | |
715cf83c PBT |
71 | modify_attribute(timestamp, &cpu_quark, "current_task", |
72 | get_proc(next_pid, next_comm, timestamp)); | |
1fc22eb4 | 73 | else |
715cf83c | 74 | nullify_attribute(timestamp, &cpu_quark, "current_task"); |
1fc22eb4 | 75 | |
715cf83c | 76 | modify_attribute(timestamp, &cpu_quark, "task_start", timestamp); |
1fc22eb4 JD |
77 | } |
78 | ||
4adc8274 | 79 | enum bt_cb_ret handle_sched_switch(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
80 | void *private_data) |
81 | { | |
3ba84bed | 82 | const struct definition *scope; |
1fc22eb4 JD |
83 | unsigned long timestamp; |
84 | uint64_t cpu_id; | |
85 | char *prev_comm, *next_comm; | |
86 | int prev_tid, next_tid; | |
87 | ||
480b40ce | 88 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
89 | if (timestamp == -1ULL) |
90 | goto error; | |
91 | ||
92 | scope = bt_ctf_get_top_level_scope(call_data, | |
93 | BT_EVENT_FIELDS); | |
94 | prev_comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, | |
95 | scope, "_prev_comm")); | |
96 | if (bt_ctf_field_get_error()) { | |
97 | fprintf(stderr, "Missing prev_comm context info\n"); | |
98 | goto error; | |
99 | } | |
100 | ||
101 | next_comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, | |
102 | scope, "_next_comm")); | |
103 | if (bt_ctf_field_get_error()) { | |
104 | fprintf(stderr, "Missing next_comm context info\n"); | |
105 | goto error; | |
106 | } | |
107 | ||
108 | prev_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
109 | scope, "_prev_tid")); | |
110 | if (bt_ctf_field_get_error()) { | |
111 | fprintf(stderr, "Missing prev_tid context info\n"); | |
112 | goto error; | |
113 | } | |
114 | ||
115 | next_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
116 | scope, "_next_tid")); | |
117 | if (bt_ctf_field_get_error()) { | |
118 | fprintf(stderr, "Missing next_tid context info\n"); | |
119 | goto error; | |
120 | } | |
121 | ||
d67167cd | 122 | cpu_id = get_cpu_id(call_data); |
1fc22eb4 JD |
123 | |
124 | update_cputop_data(timestamp, cpu_id, prev_tid, next_tid, | |
125 | prev_comm, next_comm); | |
126 | ||
127 | return BT_CB_OK; | |
128 | ||
129 | error: | |
130 | return BT_CB_ERROR_STOP; | |
131 | } | |
132 | ||
4adc8274 | 133 | enum bt_cb_ret handle_sched_process_free(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
134 | void *private_data) |
135 | { | |
3ba84bed | 136 | const struct definition *scope; |
1fc22eb4 JD |
137 | unsigned long timestamp; |
138 | char *comm; | |
139 | int tid; | |
140 | ||
480b40ce | 141 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
142 | if (timestamp == -1ULL) |
143 | goto error; | |
144 | ||
145 | scope = bt_ctf_get_top_level_scope(call_data, | |
146 | BT_EVENT_FIELDS); | |
147 | comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, | |
148 | scope, "_comm")); | |
149 | if (bt_ctf_field_get_error()) { | |
150 | fprintf(stderr, "Missing procname context info\n"); | |
151 | goto error; | |
152 | } | |
153 | ||
e05a35a6 JD |
154 | tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, |
155 | scope, "_tid")); | |
156 | if (bt_ctf_field_get_error()) { | |
157 | fprintf(stderr, "Missing tid field\n"); | |
158 | goto error; | |
159 | } | |
160 | ||
715cf83c | 161 | death_proc(tid, comm, timestamp); |
1fc22eb4 JD |
162 | |
163 | return BT_CB_OK; | |
164 | ||
165 | error: | |
166 | return BT_CB_ERROR_STOP; | |
167 | ||
168 | } | |
169 |