blob: ee1e67604da19c1f5671386ef43014b6a350ac67 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright (C) 2009-2013 Intel Coproration
Authors:
Auke Kok <auke-jan.h.kok@intel.com>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <dirent.h>
#include <stdbool.h>
#include "list.h"
#define MAXCPUS 16
#define MAXPIDS 65535
#define MAXSAMPLES 8192
struct block_stat_struct {
/* /proc/vmstat pgpgin & pgpgout */
int bi;
int bo;
};
struct cpu_stat_sample_struct {
/* /proc/schedstat fields 10 & 11 (after name) */
double runtime;
double waittime;
};
struct cpu_stat_struct {
/* per cpu array */
struct cpu_stat_sample_struct sample[MAXSAMPLES];
};
/* per process, per sample data we will log */
struct ps_sched_struct {
/* /proc/<n>/schedstat fields 1 & 2 */
double runtime;
double waittime;
int pss;
struct list_sample_data *sampledata;
struct ps_sched_struct *next;
struct ps_sched_struct *prev;
struct ps_sched_struct *cross; /* cross pointer */
struct ps_struct *ps_new;
};
struct list_sample_data {
double runtime[MAXCPUS];
double waittime[MAXCPUS];
double sampletime;
int entropy_avail;
struct block_stat_struct blockstat;
struct cpu_stat_struct cpustat;
LIST_FIELDS(struct list_sample_data, link); /* DLL */
int counter;
};
/* process info */
struct ps_struct {
struct ps_struct *next_ps; /* SLL pointer */
struct ps_struct *parent; /* ppid ref */
struct ps_struct *children; /* children */
struct ps_struct *next; /* siblings */
/* must match - otherwise it's a new process with same PID */
char name[256];
int pid;
int ppid;
/* cache fd's */
int sched;
int schedstat;
FILE *smaps;
/* pointers to first/last seen timestamps */
struct ps_sched_struct *first;
struct ps_sched_struct *last;
/* records actual start time, may be way before bootchart runs */
double starttime;
/* record human readable total cpu time */
double total;
/* largest PSS size found */
int pss_max;
/* for drawing connection lines later */
double pos_x;
double pos_y;
struct ps_sched_struct *sample;
};
extern int entropy_avail[];
extern double graph_start;
extern double log_start;
extern double sampletime[];
extern struct ps_struct *ps_first;
extern struct block_stat_struct blockstat[];
extern struct cpu_stat_struct cpustat[];
extern int pscount;
extern bool arg_relative;
extern bool arg_filter;
extern bool arg_show_cmdline;
extern bool arg_pss;
extern bool arg_entropy;
extern bool initcall;
extern int samples;
extern int cpus;
extern int arg_samples_len;
extern double arg_hz;
extern double arg_scale_x;
extern double arg_scale_y;
extern int overrun;
extern double interval;
extern char arg_output_path[PATH_MAX];
extern char arg_init_path[PATH_MAX];
extern FILE *of;
extern int sysfd;
|
