1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright (C) 2009-2013 Intel Coproration
11 Auke Kok <auke-jan.h.kok@intel.com>
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.
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.
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/>.
32 #define MAXSAMPLES 8192
34 struct block_stat_struct {
35 /* /proc/vmstat pgpgin & pgpgout */
40 struct cpu_stat_sample_struct {
41 /* /proc/schedstat fields 10 & 11 (after name) */
46 struct cpu_stat_struct {
48 struct cpu_stat_sample_struct sample[MAXSAMPLES];
51 /* per process, per sample data we will log */
52 struct ps_sched_struct {
53 /* /proc/<n>/schedstat fields 1 & 2 */
61 struct ps_struct *next_ps; /* SLL pointer */
62 struct ps_struct *parent; /* ppid ref */
63 struct ps_struct *children; /* children */
64 struct ps_struct *next; /* siblings */
66 /* must match - otherwise it's a new process with same PID */
76 /* index to first/last seen timestamps */
80 /* records actual start time, may be way before bootchart runs */
83 /* record human readable total cpu time */
86 /* largest PSS size found */
89 /* for drawing connection lines later */
93 struct ps_sched_struct *sample;
96 extern int entropy_avail[];
98 extern double graph_start;
99 extern double log_start;
100 extern double sampletime[];
101 extern struct ps_struct *ps_first;
102 extern struct block_stat_struct blockstat[];
103 extern struct cpu_stat_struct cpustat[];
105 extern bool arg_relative;
106 extern bool arg_filter;
107 extern bool arg_show_cmdline;
109 extern bool arg_entropy;
110 extern bool initcall;
113 extern int arg_samples_len;
114 extern double arg_hz;
115 extern double arg_scale_x;
116 extern double arg_scale_y;
118 extern double interval;
120 extern char arg_output_path[PATH_MAX];
121 extern char arg_init_path[PATH_MAX];