bootchart.h revision 49e5b2a93339869703d581a06f8d903f8371ab60
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright (C) 2009-2013 Intel Corporation
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
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;
};
/* 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;
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;
char *cgroup;
/* 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 int pscount;
extern bool arg_relative;
extern bool arg_filter;
extern bool arg_show_cmdline;
extern bool arg_show_cgroup;
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;