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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #pragma once | |
4 | ||
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
14228c0d | 8 | Copyright (C) 2009-2013 Intel Corporation |
663996b3 MS |
9 | |
10 | Authors: | |
11 | Auke Kok <auke-jan.h.kok@intel.com> | |
12 | ||
13 | systemd is free software; you can redistribute it and/or modify it | |
14 | under the terms of the GNU Lesser General Public License as published by | |
15 | the Free Software Foundation; either version 2.1 of the License, or | |
16 | (at your option) any later version. | |
17 | ||
18 | systemd is distributed in the hope that it will be useful, but | |
19 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
21 | Lesser General Public License for more details. | |
22 | ||
23 | You should have received a copy of the GNU Lesser General Public License | |
24 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
25 | ***/ | |
26 | ||
27 | #include <dirent.h> | |
28 | #include <stdbool.h> | |
29 | #include "list.h" | |
30 | ||
31 | #define MAXCPUS 16 | |
32 | #define MAXPIDS 65535 | |
33 | ||
34 | struct block_stat_struct { | |
35 | /* /proc/vmstat pgpgin & pgpgout */ | |
36 | int bi; | |
37 | int bo; | |
38 | }; | |
39 | ||
40 | struct cpu_stat_sample_struct { | |
41 | /* /proc/schedstat fields 10 & 11 (after name) */ | |
42 | double runtime; | |
43 | double waittime; | |
44 | }; | |
45 | ||
46 | /* per process, per sample data we will log */ | |
47 | struct ps_sched_struct { | |
48 | /* /proc/<n>/schedstat fields 1 & 2 */ | |
49 | double runtime; | |
50 | double waittime; | |
51 | int pss; | |
52 | struct list_sample_data *sampledata; | |
53 | struct ps_sched_struct *next; | |
54 | struct ps_sched_struct *prev; | |
55 | struct ps_sched_struct *cross; /* cross pointer */ | |
56 | struct ps_struct *ps_new; | |
57 | }; | |
58 | ||
59 | struct list_sample_data { | |
60 | double runtime[MAXCPUS]; | |
61 | double waittime[MAXCPUS]; | |
62 | double sampletime; | |
63 | int entropy_avail; | |
64 | struct block_stat_struct blockstat; | |
65 | LIST_FIELDS(struct list_sample_data, link); /* DLL */ | |
66 | int counter; | |
67 | }; | |
68 | ||
69 | /* process info */ | |
70 | struct ps_struct { | |
71 | struct ps_struct *next_ps; /* SLL pointer */ | |
72 | struct ps_struct *parent; /* ppid ref */ | |
73 | struct ps_struct *children; /* children */ | |
74 | struct ps_struct *next; /* siblings */ | |
75 | ||
76 | /* must match - otherwise it's a new process with same PID */ | |
77 | char name[256]; | |
78 | int pid; | |
79 | int ppid; | |
80 | ||
81 | /* cache fd's */ | |
82 | int sched; | |
83 | int schedstat; | |
84 | FILE *smaps; | |
85 | ||
86 | /* pointers to first/last seen timestamps */ | |
87 | struct ps_sched_struct *first; | |
88 | struct ps_sched_struct *last; | |
89 | ||
90 | /* records actual start time, may be way before bootchart runs */ | |
91 | double starttime; | |
92 | ||
93 | /* record human readable total cpu time */ | |
94 | double total; | |
95 | ||
96 | /* largest PSS size found */ | |
97 | int pss_max; | |
98 | ||
99 | /* for drawing connection lines later */ | |
100 | double pos_x; | |
101 | double pos_y; | |
102 | ||
103 | struct ps_sched_struct *sample; | |
104 | }; | |
105 | ||
106 | extern int entropy_avail[]; | |
107 | ||
108 | extern double graph_start; | |
109 | extern double log_start; | |
110 | extern double sampletime[]; | |
111 | extern struct ps_struct *ps_first; | |
112 | extern struct block_stat_struct blockstat[]; | |
113 | extern int pscount; | |
114 | extern bool arg_relative; | |
115 | extern bool arg_filter; | |
116 | extern bool arg_show_cmdline; | |
117 | extern bool arg_pss; | |
118 | extern bool arg_entropy; | |
119 | extern bool initcall; | |
120 | extern int samples; | |
121 | extern int cpus; | |
122 | extern int arg_samples_len; | |
123 | extern double arg_hz; | |
124 | extern double arg_scale_x; | |
125 | extern double arg_scale_y; | |
126 | extern int overrun; | |
127 | extern double interval; | |
128 | ||
129 | extern char arg_output_path[PATH_MAX]; | |
130 | extern char arg_init_path[PATH_MAX]; | |
131 | ||
132 | extern FILE *of; | |
133 | extern int sysfd; |