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/***
bootchart.h - This file is part of systemd-bootchart
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>
#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;
};
/* 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;
/* index to first/last seen timestamps */
int first;
int 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 relative;
extern bool filter;
extern bool show_cmdline;
extern bool pss;
extern bool entropy;
extern bool initcall;
extern int samples;
extern int cpus;
extern int len;
extern double hz;
extern double scale_x;
extern double scale_y;
extern int overrun;
extern double interval;
extern char output_path[PATH_MAX];
extern char init_path[PATH_MAX];
extern FILE *of;
extern DIR *proc;
extern int procfd;
extern int sysfd;
extern double gettime_ns(void);
extern void log_uptime(void);
extern void log_sample(int sample);
extern void svg_do(const char *build);
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